Annotation of loncom/xml/lonplot.pm, revision 1.175
1.1 matthew 1: # The LearningOnline Network with CAPA
2: # Dynamic plot
3: #
1.175 ! raeburn 4: # $Id: lonplot.pm,v 1.174 2014/05/27 12:31:03 raeburn Exp $
1.1 matthew 5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
1.35 matthew 28:
1.149 jms 29:
30:
31:
1.1 matthew 32: package Apache::lonplot;
1.10 matthew 33:
1.1 matthew 34: use strict;
1.89 matthew 35: use warnings FATAL=>'all';
36: no warnings 'uninitialized';
1.10 matthew 37: use Apache::File;
1.1 matthew 38: use Apache::response;
1.2 matthew 39: use Apache::lonxml;
1.20 matthew 40: use Apache::edit;
1.106 albertel 41: use Apache::lonnet;
1.113 www 42: use LONCAPA;
43:
1.10 matthew 44:
1.129 albertel 45: use vars qw/$weboutputformat $version/;
1.97 matthew 46:
1.109 foxr 47:
1.108 foxr 48:
1.33 harris41 49: BEGIN {
1.97 matthew 50: &Apache::lonxml::register('Apache::lonplot',('gnuplot'));
51: #
52: # Determine the version of GNUPLOT
53: $weboutputformat = 'gif';
1.129 albertel 54: my $versionstring = `gnuplot --version 2>/dev/null`;
55: ($version) = ($versionstring =~ /^gnuplot ([\d.]+)/);
56: if ($version >= 4) {
1.97 matthew 57: $weboutputformat = 'png';
58: }
1.108 foxr 59:
60: }
61:
1.1 matthew 62:
1.149 jms 63: =pod
64:
1.10 matthew 65: ##
66: ## Description of data structures:
67: ##
68: ## %plot %key %axis
69: ## --------------------------
70: ## height title color
71: ## width box xmin
72: ## bgcolor pos xmax
73: ## fgcolor ymin
74: ## transparent ymax
75: ## grid
76: ## border
77: ## font
1.19 matthew 78: ## align
1.10 matthew 79: ##
80: ## @labels: $labels[$i] = \%label
1.175 ! raeburn 81: ## %label: text, xpos, ypos, justify, rotate, zlayer
1.14 matthew 82: ##
1.10 matthew 83: ## @curves: $curves[$i] = \%curve
1.14 matthew 84: ## %curve: name, linestyle, ( function | data )
1.10 matthew 85: ##
86: ## $curves[$i]->{'data'} = [ [x1,x2,x3,x4],
87: ## [y1,y2,y3,y4] ]
88: ##
1.21 matthew 89:
90: ###################################################################
91: ## ##
92: ## Tests used in checking the validitity of input ##
93: ## ##
94: ###################################################################
1.29 matthew 95:
1.149 jms 96: =cut
97:
1.32 matthew 98: my $max_str_len = 50; # if a label, title, xlabel, or ylabel text
99: # is longer than this, it will be truncated.
100:
1.157 foxr 101: my %linetypes = # For png use these linetypes.
1.135 faziophi 102: (
103: solid => 1,
104: dashed => 0
105: );
1.157 foxr 106: my %ps_linetypes = # For ps the line types are different!
107: (
1.174 raeburn 108: solid => 1,
1.157 foxr 109: dashed => 7
110: );
1.135 faziophi 111:
1.29 matthew 112: my %linestyles =
113: (
114: lines => 2, # Maybe this will be used in the future
115: linespoints => 2, # to check on whether or not they have
116: dots => 2, # supplied enough <data></data> fields
117: points => 2, # to use the given line style. But for
118: steps => 2, # now there are more important things
119: fsteps => 2, # for me to deal with.
120: histeps => 2,
1.34 matthew 121: errorbars => 3,
122: xerrorbars => [3,4],
123: yerrorbars => [3,4],
1.35 matthew 124: xyerrorbars => [4,6],
1.34 matthew 125: boxes => 3,
1.110 albertel 126: filledcurves => 2,
1.35 matthew 127: vector => 4
1.29 matthew 128: );
129:
1.11 matthew 130: my $int_test = sub {$_[0]=~s/\s+//g;$_[0]=~/^\d+$/};
1.19 matthew 131: my $real_test =
132: sub {$_[0]=~s/\s+//g;$_[0]=~/^[+-]?\d*\.?\d*([eE][+-]\d+)?$/};
1.62 matthew 133: my $pos_real_test =
134: sub {$_[0]=~s/\s+//g;$_[0]=~/^[+]?\d*\.?\d*([eE][+-]\d+)?$/};
1.167 raeburn 135: my $color_test;
136: if ($version < 4.6) {
137: $color_test = sub {$_[0]=~s/\s+//g;$_[0]=~s/^\#/x/;$_[0]=~/^x[\da-fA-F]{6}$/};
138: } else {
139: $color_test = sub {$_[0]=~s/\s+//g;$_[0]=~s/^x/#/;$_[0]=~/^\#[\da-fA-F]{6}$/};
140: }
1.1 matthew 141: my $onoff_test = sub {$_[0]=~/^(on|off)$/};
1.15 matthew 142: my $key_pos_test = sub {$_[0]=~/^(top|bottom|right|left|outside|below| )+$/};
1.119 albertel 143: my $sml_test = sub {$_[0]=~/^(\d+|small|medium|large)$/};
1.29 matthew 144: my $linestyle_test = sub {exists($linestyles{$_[0]})};
1.67 matthew 145: my $words_test = sub {$_[0]=~s/\s+/ /g;$_[0]=~/^([\w~!\@\#\$\%^&\*\(\)-=_\+\[\]\{\}:\;\'<>,\.\/\?\\]+ ?)+$/};
1.21 matthew 146:
1.160 foxr 147: my $arrowhead_test = sub{$_[0]=~/^(nohead|head|heads| )+$/};
148: my $arrowstyle_test= sub{$_[0]=~/^(filled|empty|nofilled)+$/};
149: my $degree_test = sub{&$pos_real_test($_[0]) && ($_[0] <= 360.0)};
150:
1.21 matthew 151: ###################################################################
152: ## ##
153: ## Attribute metadata ##
154: ## ##
155: ###################################################################
1.47 matthew 156: my @gnuplot_edit_order =
1.123 albertel 157: qw/alttag bgcolor fgcolor height width texwidth fontface font texfont
158: transparent grid samples
159: border align plotcolor plottype gridtype lmargin rmargin
1.115 albertel 160: tmargin bmargin major_ticscale minor_ticscale boxwidth gridlayer fillstyle
1.110 albertel 161: pattern solid/;
1.101 matthew 162:
1.105 matthew 163: my $margin_choices = ['default',0..20];
1.48 matthew 164:
1.47 matthew 165: my %gnuplot_defaults =
1.1 matthew 166: (
1.64 matthew 167: alttag => {
168: default => 'dynamically generated plot',
169: test => $words_test,
1.120 albertel 170: description => 'Brief description of the plot',
1.64 matthew 171: edit_type => 'entry',
172: size => '40'
173: },
1.20 matthew 174: height => {
1.65 matthew 175: default => 300,
1.20 matthew 176: test => $int_test,
1.120 albertel 177: description => 'Height of image (pixels)',
1.38 matthew 178: edit_type => 'entry',
179: size => '10'
1.20 matthew 180: },
181: width => {
1.65 matthew 182: default => 400,
1.20 matthew 183: test => $int_test,
1.120 albertel 184: description => 'Width of image (pixels)',
1.38 matthew 185: edit_type => 'entry',
186: size => '10'
1.20 matthew 187: },
188: bgcolor => {
189: default => 'xffffff',
190: test => $color_test,
1.120 albertel 191: description => 'Background color of image (xffffff)',
1.38 matthew 192: edit_type => 'entry',
1.154 foxr 193: size => '10',
194: class => 'colorchooser'
1.20 matthew 195: },
196: fgcolor => {
197: default => 'x000000',
198: test => $color_test,
1.120 albertel 199: description => 'Foreground color of image (x000000)',
1.38 matthew 200: edit_type => 'entry',
1.154 foxr 201: size => '10',
202: class => 'colorchooser'
1.20 matthew 203: },
204: transparent => {
205: default => 'off',
206: test => $onoff_test,
1.34 matthew 207: description => 'Transparent image',
1.45 matthew 208: edit_type => 'onoff'
1.20 matthew 209: },
210: grid => {
1.65 matthew 211: default => 'on',
1.20 matthew 212: test => $onoff_test,
1.34 matthew 213: description => 'Display grid',
1.45 matthew 214: edit_type => 'onoff'
1.20 matthew 215: },
1.110 albertel 216: gridlayer => {
217: default => 'off',
218: test => $onoff_test,
219: description => 'Display grid front layer over filled boxes or filled curves',
220: edit_type => 'onoff'
221: },
222: box_border => {
223: default => 'noborder',
224: test => sub {$_[0]=~/^(noborder|border)$/},
225: description => 'Draw border for boxes',
226: edit_type => 'choice',
227: choices => ['border','noborder']
228: },
1.20 matthew 229: border => {
230: default => 'on',
231: test => $onoff_test,
1.34 matthew 232: description => 'Draw border around plot',
1.45 matthew 233: edit_type => 'onoff'
1.20 matthew 234: },
235: font => {
1.119 albertel 236: default => '9',
1.20 matthew 237: test => $sml_test,
1.125 albertel 238: description => 'Font size to use in web output (pts)',
1.20 matthew 239: edit_type => 'choice',
1.126 albertel 240: choices => [['5','5 (small)'],'6','7','8',['9','9 (medium)'],'10',['11','11 (large)'],'12','15']
1.20 matthew 241: },
1.120 albertel 242: fontface => {
243: default => 'sans-serif',
244: test => sub {$_[0]=~/^(sans-serif|serif|classic)$/},
245: description => 'Type of font to use',
246: edit_type => 'choice',
247: choices => ['sans-serif','serif', 'classic']
248: },
1.110 albertel 249: samples => {
1.77 matthew 250: default => '100',
251: test => $int_test,
252: description => 'Number of samples for non-data plots',
253: edit_type => 'choice',
254: choices => ['100','200','500','1000','2000','5000']
255: },
1.20 matthew 256: align => {
1.116 albertel 257: default => 'middle',
258: test => sub {$_[0]=~/^(left|right|middle|center)$/},
1.120 albertel 259: description => 'Alignment for image in HTML',
1.20 matthew 260: edit_type => 'choice',
1.116 albertel 261: choices => ['left','right','middle']
1.82 matthew 262: },
263: texwidth => {
264: default => '93',
265: test => $int_test,
266: description => 'Width of plot when printed (mm)',
267: edit_type => 'entry',
268: size => '5'
269: },
1.110 albertel 270: texfont => {
1.92 matthew 271: default => '22',
272: test => $int_test,
273: description => 'Font size to use in TeX output (pts):',
274: edit_type => 'choice',
1.96 matthew 275: choices => [qw/8 10 12 14 16 18 20 22 24 26 28 30 32 34 36/],
1.92 matthew 276: },
1.110 albertel 277: plotcolor => {
1.105 matthew 278: default => 'monochrome',
279: test => sub {$_[0]=~/^(monochrome|color|colour)$/},
280: description => 'Color setting for printing:',
281: edit_type => 'choice',
282: choices => [qw/monochrome color colour/],
283: },
1.110 albertel 284: pattern => {
285: default => '',
286: test => $int_test,
1.120 albertel 287: description => 'Pattern value for boxes:',
1.110 albertel 288: edit_type => 'choice',
289: choices => [0,1,2,3,4,5,6]
290: },
291: solid => {
292: default => 0,
293: test => $real_test,
294: description => 'The density of fill style for boxes',
295: edit_type => 'entry',
296: size => '5'
297: },
298: fillstyle => {
299: default => 'empty',
300: test => sub {$_[0]=~/^(empty|solid|pattern)$/},
301: description => 'Filled style for boxes:',
302: edit_type => 'choice',
303: choices => ['empty','solid','pattern']
304: },
305: plottype => {
1.87 matthew 306: default => 'Cartesian',
307: test => sub {$_[0]=~/^(Polar|Cartesian)$/},
308: description => 'Plot type:',
309: edit_type => 'choice',
1.94 matthew 310: choices => ['Cartesian','Polar']
1.87 matthew 311: },
1.115 albertel 312: gridtype => {
313: default => 'Cartesian',
1.118 albertel 314: test => sub {$_[0]=~/^(Polar|Cartesian|Linear-Log|Log-Linear|Log-Log)$/},
1.115 albertel 315: description => 'Grid type:',
316: edit_type => 'choice',
1.118 albertel 317: choices => ['Cartesian','Polar','Linear-Log','Log-Linear','Log-Log']
1.115 albertel 318: },
1.110 albertel 319: lmargin => {
1.101 matthew 320: default => 'default',
321: test => sub {$_[0]=~/^(default|\d+)$/},
322: description => 'Left margin width (pts):',
323: edit_type => 'choice',
324: choices => $margin_choices,
325: },
1.110 albertel 326: rmargin => {
1.101 matthew 327: default => 'default',
328: test => sub {$_[0]=~/^(default|\d+)$/},
329: description => 'Right margin width (pts):',
330: edit_type => 'choice',
331: choices => $margin_choices,
332: },
1.110 albertel 333: tmargin => {
1.101 matthew 334: default => 'default',
335: test => sub {$_[0]=~/^(default|\d+)$/},
336: description => 'Top margin width (pts):',
337: edit_type => 'choice',
338: choices => $margin_choices,
339: },
1.110 albertel 340: bmargin => {
1.101 matthew 341: default => 'default',
342: test => sub {$_[0]=~/^(default|\d+)$/},
1.104 www 343: description => 'Bottom margin width (pts):',
1.101 matthew 344: edit_type => 'choice',
345: choices => $margin_choices,
346: },
1.110 albertel 347: boxwidth => {
348: default => '',
349: test => $real_test,
1.120 albertel 350: description => 'Width of boxes, default is auto',
1.110 albertel 351: edit_type => 'entry',
352: size => '5'
353: },
1.101 matthew 354: major_ticscale => {
355: default => '1',
356: test => $real_test,
357: description => 'Size of major tic marks (plot coordinates)',
358: edit_type => 'entry',
359: size => '5'
360: },
361: minor_ticscale => {
362: default => '0.5',
363: test => $real_test,
364: description => 'Size of minor tic mark (plot coordinates)',
365: edit_type => 'entry',
366: size => '5'
367: },
1.1 matthew 368: );
369:
370: my %key_defaults =
371: (
1.20 matthew 372: title => {
373: default => '',
374: test => $words_test,
375: description => 'Title of key',
1.38 matthew 376: edit_type => 'entry',
377: size => '40'
1.20 matthew 378: },
379: box => {
380: default => 'off',
381: test => $onoff_test,
382: description => 'Draw a box around the key?',
1.45 matthew 383: edit_type => 'onoff'
1.20 matthew 384: },
385: pos => {
386: default => 'top right',
387: test => $key_pos_test,
1.120 albertel 388: description => 'Position of the key on the plot',
1.20 matthew 389: edit_type => 'choice',
390: choices => ['top left','top right','bottom left','bottom right',
391: 'outside','below']
392: }
1.1 matthew 393: );
394:
395: my %label_defaults =
396: (
1.20 matthew 397: xpos => {
398: default => 0,
399: test => $real_test,
1.120 albertel 400: description => 'X position of label (graph coordinates)',
1.38 matthew 401: edit_type => 'entry',
402: size => '10'
1.20 matthew 403: },
404: ypos => {
405: default => 0,
406: test => $real_test,
1.120 albertel 407: description => 'Y position of label (graph coordinates)',
1.38 matthew 408: edit_type => 'entry',
409: size => '10'
1.20 matthew 410: },
411: justify => {
412: default => 'left',
413: test => sub {$_[0]=~/^(left|right|center)$/},
414: description => 'justification of the label text on the plot',
415: edit_type => 'choice',
416: choices => ['left','right','center']
1.134 raeburn 417: },
418: rotate => {
419: default => 0,
420: test => $real_test,
421: description => 'Rotation of label (degrees)',
422: edit_type => 'entry',
423: size => '10',
1.175 ! raeburn 424: },
! 425: zlayer => {
! 426: default => '',
! 427: test => sub {$_[0]=~/^(front|back)$/},
! 428: description => 'Z position of label',
! 429: edit_type => 'choice',
! 430: choices => ['front','back'],
! 431: },
1.1 matthew 432: );
433:
1.89 matthew 434: my @tic_edit_order = ('location','mirror','start','increment','end',
435: 'minorfreq');
1.45 matthew 436: my %tic_defaults =
437: (
438: location => {
439: default => 'border',
440: test => sub {$_[0]=~/^(border|axis)$/},
1.90 matthew 441: description => 'Location of major tic marks',
1.45 matthew 442: edit_type => 'choice',
443: choices => ['border','axis']
444: },
445: mirror => {
446: default => 'on',
447: test => $onoff_test,
1.120 albertel 448: description => 'Mirror tics on opposite axis?',
1.45 matthew 449: edit_type => 'onoff'
450: },
451: start => {
452: default => '-10.0',
453: test => $real_test,
1.90 matthew 454: description => 'Start major tics at',
1.45 matthew 455: edit_type => 'entry',
456: size => '10'
457: },
458: increment => {
459: default => '1.0',
460: test => $real_test,
1.90 matthew 461: description => 'Place a major tic every',
1.45 matthew 462: edit_type => 'entry',
463: size => '10'
464: },
465: end => {
466: default => ' 10.0',
467: test => $real_test,
1.90 matthew 468: description => 'Stop major tics at ',
1.45 matthew 469: edit_type => 'entry',
470: size => '10'
471: },
1.89 matthew 472: minorfreq => {
473: default => '0',
474: test => $int_test,
1.98 matthew 475: description => 'Number of minor tics per major tic mark',
1.89 matthew 476: edit_type => 'entry',
477: size => '10'
1.164 foxr 478: },
479: rotate => {
480: default => 'off',
481: test => $onoff_test,
482: description => 'Rotate tic label by 90 degrees if on',
483: edit_type => 'onoff'
484: }
1.45 matthew 485: );
486:
1.152 faziophi 487: my @axis_edit_order = ('color','xmin','xmax','ymin','ymax','xformat', 'yformat', 'xzero', 'yzero');
1.1 matthew 488: my %axis_defaults =
489: (
1.28 matthew 490: color => {
1.20 matthew 491: default => 'x000000',
492: test => $color_test,
1.120 albertel 493: description => 'Color of grid lines (x000000)',
1.38 matthew 494: edit_type => 'entry',
1.154 foxr 495: size => '10',
496: class => 'colorchooser'
1.20 matthew 497: },
498: xmin => {
499: default => '-10.0',
500: test => $real_test,
1.120 albertel 501: description => 'Minimum x-value shown in plot',
1.38 matthew 502: edit_type => 'entry',
503: size => '10'
1.20 matthew 504: },
505: xmax => {
506: default => ' 10.0',
507: test => $real_test,
1.120 albertel 508: description => 'Maximum x-value shown in plot',
1.38 matthew 509: edit_type => 'entry',
510: size => '10'
1.20 matthew 511: },
512: ymin => {
513: default => '-10.0',
514: test => $real_test,
1.120 albertel 515: description => 'Minimum y-value shown in plot',
1.38 matthew 516: edit_type => 'entry',
517: size => '10'
1.20 matthew 518: },
519: ymax => {
520: default => ' 10.0',
521: test => $real_test,
1.120 albertel 522: description => 'Maximum y-value shown in plot',
1.38 matthew 523: edit_type => 'entry',
524: size => '10'
1.132 albertel 525: },
526: xformat => {
527: default => 'on',
528: test => sub {$_[0]=~/^(on|off|\d+(f|F|e|E))$/},
529: description => 'X-axis number formatting',
530: edit_type => 'choice',
531: choices => ['on', 'off', '2e', '2f'],
532: },
533: yformat => {
534: default => 'on',
535: test => sub {$_[0]=~/^(on|off|\d+(f|F|e|E))$/},
1.151 raeburn 536: description => 'Y-axis number formatting',
1.132 albertel 537: edit_type => 'choice',
538: choices => ['on', 'off', '2e', '2f'],
539: },
1.152 faziophi 540:
541: xzero => {
542: default => 'off',
543: test => sub {$_[0]=~/^(off|line|thick-line|dotted)$/},
544: description => 'Show x-zero (y=0) axis',
545: edit_type => 'choice',
546: choices => ['off', 'line', 'thick-line', 'dotted'],
547: },
548:
549: yzero => {
550: default => 'off',
551: test => sub {$_[0]=~/^(off|line|thick-line|dotted)$/},
552: description => 'Show y-zero (x=0) axis',
553: edit_type => 'choice',
554: choices => ['off', 'line', 'thick-line', 'dotted'],
555: },
1.1 matthew 556: );
557:
1.163 foxr 558:
1.160 foxr 559: my @curve_edit_order = ('color','name','linestyle','linewidth','linetype',
560: 'pointtype','pointsize','limit', 'arrowhead', 'arrowstyle',
561: 'arrowlength', 'arrowangle', 'arrowbackangle'
562: );
1.60 matthew 563:
1.1 matthew 564: my %curve_defaults =
565: (
1.20 matthew 566: color => {
567: default => 'x000000',
568: test => $color_test,
1.120 albertel 569: description => 'Color of curve (x000000)',
1.38 matthew 570: edit_type => 'entry',
1.154 foxr 571: size => '10',
572: class => 'colorchooser'
1.20 matthew 573: },
574: name => {
575: default => '',
576: test => $words_test,
1.120 albertel 577: description => 'Name of curve to appear in key',
1.38 matthew 578: edit_type => 'entry',
579: size => '20'
1.20 matthew 580: },
581: linestyle => {
582: default => 'lines',
583: test => $linestyle_test,
1.135 faziophi 584: description => 'Plot with:',
1.20 matthew 585: edit_type => 'choice',
1.38 matthew 586: choices => [keys(%linestyles)]
1.60 matthew 587: },
1.119 albertel 588: linewidth => {
1.130 albertel 589: default => 1,
1.119 albertel 590: test => $int_test,
1.135 faziophi 591: description => 'Line width (may not apply to all plot styles)',
1.119 albertel 592: edit_type => 'choice',
593: choices => [1,2,3,4,5,6,7,8,9,10]
594: },
1.135 faziophi 595: linetype => {
596: default => 'solid',
597: test => sub {$_[0]=~/^(solid|dashed)$/},
598: description => 'Line type (may not apply to all plot styles)',
599: edit_type => 'choice',
600: choices => ['solid', 'dashed']
601: },
1.60 matthew 602: pointsize => {
603: default => 1,
1.62 matthew 604: test => $pos_real_test,
1.135 faziophi 605: description => 'Point size (may not apply to all plot styles)',
1.62 matthew 606: edit_type => 'entry',
607: size => '5'
608: },
609: pointtype => {
610: default => 1,
1.60 matthew 611: test => $int_test,
1.135 faziophi 612: description => 'Point type (may not apply to all plot styles)',
1.60 matthew 613: edit_type => 'choice',
1.62 matthew 614: choices => [0,1,2,3,4,5,6]
1.110 albertel 615: },
616: limit => {
617: default => 'closed',
1.135 faziophi 618: test => sub {$_[0]=~/^(above|below|closed|x1|x2|y1|y2)$/},
1.120 albertel 619: description => 'Point to fill -- for filledcurves',
1.110 albertel 620: edit_type => 'choice',
1.135 faziophi 621: choices => ['above', 'below', 'closed','x1','x2','y1','y2']
1.110 albertel 622: },
1.160 foxr 623: arrowhead => {
624: default => 'head',
625: test => $arrowhead_test,
626: description => 'Vector arrow head type',
627: edit_type => 'choice',
628: choices => ['nohead', 'head', 'heads']
629: },
630: arrowstyle => {
631: default => 'filled',
632: test => $arrowstyle_test,
633: description => 'Vector arrow head style',
634: edit_type => 'choice',
635: choices => ['filled', 'empty', 'nofilled']
636: },
637: arrowlength => {
638: default => 0.02,
639: test => $pos_real_test,
640: description => "Length of vector arrow (only applies to vector plots)",
641: edit_type => 'entry',
642: size => '5'
643: },
644: arrowangle => {
645: default => 10.0,
646: test => $degree_test,
647: description => 'Angle of arrow branches to arrow body (only applies to vector plots)',
648: edit_type => 'entry',
649: size => '5'
650: },
651:
652: arrowbackangle => {
653: default => 90.0,
654: test => $degree_test,
655: descripton => 'Angle of arrow back lines to branches.',
656: edit_type => 'entry',
657: size => '5'
658: }
659:
1.1 matthew 660: );
661:
1.21 matthew 662: ###################################################################
663: ## ##
664: ## parsing and edit rendering ##
665: ## ##
666: ###################################################################
1.107 foxr 667:
668: undef %Apache::lonplot::plot;
669: my (%key,%axis,$title,$xlabel,$ylabel,@labels,@curves,%xtics,%ytics);
1.1 matthew 670:
1.163 foxr 671: my $current_tics; # Reference to the current tick hash
672:
1.47 matthew 673: sub start_gnuplot {
1.107 foxr 674: undef(%Apache::lonplot::plot); undef(%key); undef(%axis);
1.89 matthew 675: undef($title); undef($xlabel); undef($ylabel);
676: undef(@labels); undef(@curves);
677: undef(%xtics); undef(%ytics);
1.6 matthew 678: #
1.1 matthew 679: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
680: my $result='';
1.25 matthew 681: &Apache::lonxml::register('Apache::lonplot',
1.45 matthew 682: ('title','xlabel','ylabel','key','axis','label','curve',
683: 'xtics','ytics'));
1.29 matthew 684: push (@Apache::lonxml::namespace,'lonplot');
1.51 matthew 685: if ($target eq 'web' || $target eq 'tex') {
1.107 foxr 686: &get_attributes(\%Apache::lonplot::plot,\%gnuplot_defaults,$parstack,$safeeval,
1.17 matthew 687: $tagstack->[-1]);
1.20 matthew 688: } elsif ($target eq 'edit') {
1.47 matthew 689: $result .= &Apache::edit::tag_start($target,$token,'GnuPlot');
690: $result .= &edit_attributes($target,$token,\%gnuplot_defaults,
1.116 albertel 691: \@gnuplot_edit_order)
692: .&Apache::edit::end_row()
693: .&Apache::edit::start_spanning_row();
1.20 matthew 694: } elsif ($target eq 'modified') {
695: my $constructtag=&Apache::edit::get_new_args
1.47 matthew 696: ($token,$parstack,$safeeval,keys(%gnuplot_defaults));
1.155 foxr 697:
1.20 matthew 698: if ($constructtag) {
1.155 foxr 699: #
700: # The color chooser does not prepent x to the color values
701: # Do that here:
702: #
703: foreach my $attribute ('bgcolor', 'fgcolor') {
704: my $value = $token->[2]{$attribute};
705: if (defined $value && !($value =~ /^x/)) {
706: $token->[2]{$attribute} = 'x' . $value;
707: }
708: }
1.20 matthew 709: $result = &Apache::edit::rebuild_tag($token);
710: }
1.4 matthew 711: }
1.21 matthew 712: return $result;
1.1 matthew 713: }
714:
1.47 matthew 715: sub end_gnuplot {
1.1 matthew 716: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
717: pop @Apache::lonxml::namespace;
1.4 matthew 718: &Apache::lonxml::deregister('Apache::lonplot',
719: ('title','xlabel','ylabel','key','axis','label','curve'));
720: my $result = '';
1.56 albertel 721: my $randnumber;
1.153 foxr 722: my $tmpdir =LONCAPA::tempdir(); # Where temporary files live:
723:
1.56 albertel 724: # need to call rand everytime start_script would evaluate, as the
725: # safe space rand number generator and the global rand generator
1.95 www 726: # are not separate
1.56 albertel 727: if ($target eq 'web' || $target eq 'tex' || $target eq 'grade' ||
728: $target eq 'answer') {
729: $randnumber=int(rand(1000));
730: }
1.51 matthew 731: if ($target eq 'web' || $target eq 'tex') {
1.21 matthew 732: &check_inputs(); # Make sure we have all the data we need
1.13 matthew 733: ##
734: ## Determine filename
1.106 albertel 735: my $filename = $env{'user.name'}.'_'.$env{'user.domain'}.
1.69 matthew 736: '_'.time.'_'.$$.$randnumber.'_plot';
1.4 matthew 737: ## Write the plot description to the file
1.51 matthew 738: &write_gnuplot_file($tmpdir,$filename,$target);
1.113 www 739: $filename = &escape($filename);
1.4 matthew 740: ## return image tag for the plot
1.51 matthew 741: if ($target eq 'web') {
742: $result .= <<"ENDIMAGE";
1.114 albertel 743: <img src = "/cgi-bin/plot.$weboutputformat?file=$filename.data"
1.107 foxr 744: width = "$Apache::lonplot::plot{'width'}"
745: height = "$Apache::lonplot::plot{'height'}"
746: align = "$Apache::lonplot::plot{'align'}"
747: alt = "$Apache::lonplot::plot{'alttag'}" />
1.12 matthew 748: ENDIMAGE
1.51 matthew 749: } elsif ($target eq 'tex') {
1.107 foxr 750: &Apache::lonxml::debug(" gnuplot wid = $Apache::lonplot::plot{'width'}");
751: &Apache::lonxml::debug(" gnuplot ht = $Apache::lonplot::plot{'height'}");
1.91 albertel 752: #might be inside the safe space, register the URL for later
753: &Apache::lonxml::register_ssi("/cgi-bin/plot.gif?file=$filename.data&output=eps");
1.111 albertel 754: $result = "%DYNAMICIMAGE:$Apache::lonplot::plot{'width'}:$Apache::lonplot::plot{'height'}:$Apache::lonplot::plot{'texwidth'}\n";
1.153 foxr 755: $result .= '\graphicspath{{'.$tmpdir.'}}'."\n";
1.113 www 756: $result .= '\includegraphics[width='.$Apache::lonplot::plot{'texwidth'}.' mm]{'.&unescape($filename).'.eps}';
1.51 matthew 757: }
1.20 matthew 758: } elsif ($target eq 'edit') {
1.21 matthew 759: $result.=&Apache::edit::tag_end($target,$token);
1.4 matthew 760: }
1.1 matthew 761: return $result;
762: }
1.2 matthew 763:
1.45 matthew 764:
765: ##--------------------------------------------------------------- xtics
766: sub start_xtics {
767: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
768: my $result='';
1.51 matthew 769: if ($target eq 'web' || $target eq 'tex') {
1.45 matthew 770: &get_attributes(\%xtics,\%tic_defaults,$parstack,$safeeval,
771: $tagstack->[-1]);
1.163 foxr 772: $current_tics = \%xtics;
773: &Apache::lonxml::register('Apache::lonplot', 'tic');
1.45 matthew 774: } elsif ($target eq 'edit') {
775: $result .= &Apache::edit::tag_start($target,$token,'xtics');
776: $result .= &edit_attributes($target,$token,\%tic_defaults,
777: \@tic_edit_order);
778: } elsif ($target eq 'modified') {
779: my $constructtag=&Apache::edit::get_new_args
780: ($token,$parstack,$safeeval,keys(%tic_defaults));
781: if ($constructtag) {
782: $result = &Apache::edit::rebuild_tag($token);
783: }
784: }
785: return $result;
786: }
787:
788: sub end_xtics {
789: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
790: my $result = '';
1.51 matthew 791: if ($target eq 'web' || $target eq 'tex') {
1.163 foxr 792: &Apache::lonxml::deregister('Apache::lonplot', 'tic');
1.45 matthew 793: } elsif ($target eq 'edit') {
794: $result.=&Apache::edit::tag_end($target,$token);
795: }
796: return $result;
797: }
798:
799: ##--------------------------------------------------------------- ytics
800: sub start_ytics {
801: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
802: my $result='';
1.51 matthew 803: if ($target eq 'web' || $target eq 'tex') {
1.45 matthew 804: &get_attributes(\%ytics,\%tic_defaults,$parstack,$safeeval,
805: $tagstack->[-1]);
1.163 foxr 806: $current_tics = \%ytics;
807: &Apache::lonxml::register('Apache::lonplot', 'tic');
1.45 matthew 808: } elsif ($target eq 'edit') {
809: $result .= &Apache::edit::tag_start($target,$token,'ytics');
810: $result .= &edit_attributes($target,$token,\%tic_defaults,
811: \@tic_edit_order);
812: } elsif ($target eq 'modified') {
813: my $constructtag=&Apache::edit::get_new_args
814: ($token,$parstack,$safeeval,keys(%tic_defaults));
815: if ($constructtag) {
816: $result = &Apache::edit::rebuild_tag($token);
817: }
818: }
819: return $result;
820: }
821:
822: sub end_ytics {
823: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
824: my $result = '';
1.51 matthew 825: if ($target eq 'web' || $target eq 'tex') {
1.163 foxr 826: &Apache::lonxml::deregister('Apache::lonplot', 'tic');
1.45 matthew 827: } elsif ($target eq 'edit') {
828: $result.=&Apache::edit::tag_end($target,$token);
829: }
830: return $result;
831: }
832:
1.163 foxr 833:
834: ##----------------------------------------------------------------
835: #
836: # Tic handling:
837: # The <tic> tag allows users to specify exact Tic positions and labels
838: # for each axis. In this version we only support level 0 tics (major tic).
839: # Each tic has associated with it a position and a label
840: # $current_tics is a reference to the current tick description hash.
841: # We add elements to an array in that has: ticspecs whose elements
842: # are 'pos' - the tick position and 'label' - the tic label.
843: #
844:
845:
846: sub start_tic {
847: my ($target, $token, $tagstack, $parstack, $parser, $safeeval, $style) = @_;
848:
849: my $result = '';
850: if ($target eq 'web' || $target eq 'tex') {
851: my $tic_location = &Apache::lonxml::get_param('location', $parstack, $safeeval);
852: my $tic_label = &Apache::lonxml::get_all_text('/tic', $parser);
853:
854: # Tic location must e a real:
855:
856: if (!&$real_test($tic_location)) {
857: &Apache::lonxml::warning("Tic location: $tic_location must be a real number");
858: } else {
859:
860: if (!defined $current_tics->{'ticspecs'}) {
861: $current_tics->{'ticspecs'} = [];
862: }
863: my $ticspecs = $current_tics->{'ticspecs'};
864: push (@$ticspecs, {'pos' => $tic_location, 'label' => $tic_label});
865: }
866: }
867:
868: return $result;
869: }
870:
871: sub end_tic {
872: return '';
873: }
874:
1.119 albertel 875: ##-----------------------------------------------------------------font
1.120 albertel 876: my %font_properties =
877: (
878: 'classic' => {
879: face => 'classic',
880: file => 'DejaVuSansMono-Bold',
881: printname => 'Helvetica',
1.121 albertel 882: tex_no_file => 1,
1.120 albertel 883: },
884: 'sans-serif' => {
885: face => 'sans-serif',
886: file => 'DejaVuSans',
887: printname => 'DejaVuSans',
888: },
889: 'serif' => {
890: face => 'serif',
891: file => 'DejaVuSerif',
892: printname => 'DejaVuSerif',
893: },
894: );
895:
1.119 albertel 896: sub get_font {
1.124 albertel 897: my ($target) = @_;
1.120 albertel 898: my ($size, $selected_font);
899:
1.119 albertel 900: if ( $Apache::lonplot::plot{'font'} =~ /^(small|medium|large)/) {
1.120 albertel 901: $selected_font = $font_properties{'classic'};
1.119 albertel 902: if ( $Apache::lonplot::plot{'font'} eq 'small') {
903: $size = '5';
904: } elsif ( $Apache::lonplot::plot{'font'} eq 'medium') {
905: $size = '9';
906: } elsif ( $Apache::lonplot::plot{'font'} eq 'large') {
1.126 albertel 907: $size = '11';
1.119 albertel 908: } else {
909: $size = '9';
910: }
911: } else {
1.122 albertel 912: $size = $Apache::lonplot::plot{'font'};
1.120 albertel 913: $selected_font = $font_properties{$Apache::lonplot::plot{'fontface'}};
1.119 albertel 914: }
1.124 albertel 915: if ($target eq 'tex' && defined($Apache::lonplot::plot{'texfont'})) {
1.146 foxr 916: # $selected_font = $font_properties{'classic'};
1.124 albertel 917: $size = $Apache::lonplot::plot{'texfont'};
918: }
1.120 albertel 919: return ($size, $selected_font);
1.119 albertel 920: }
1.45 matthew 921:
1.1 matthew 922: ##----------------------------------------------------------------- key
923: sub start_key {
924: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
925: my $result='';
1.51 matthew 926: if ($target eq 'web' || $target eq 'tex') {
1.17 matthew 927: &get_attributes(\%key,\%key_defaults,$parstack,$safeeval,
1.11 matthew 928: $tagstack->[-1]);
1.20 matthew 929: } elsif ($target eq 'edit') {
1.25 matthew 930: $result .= &Apache::edit::tag_start($target,$token,'Plot Key');
1.21 matthew 931: $result .= &edit_attributes($target,$token,\%key_defaults);
1.20 matthew 932: } elsif ($target eq 'modified') {
933: my $constructtag=&Apache::edit::get_new_args
1.24 matthew 934: ($token,$parstack,$safeeval,keys(%key_defaults));
1.20 matthew 935: if ($constructtag) {
936: $result = &Apache::edit::rebuild_tag($token);
937: }
1.4 matthew 938: }
1.1 matthew 939: return $result;
940: }
941:
942: sub end_key {
943: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
944: my $result = '';
1.51 matthew 945: if ($target eq 'web' || $target eq 'tex') {
1.20 matthew 946: } elsif ($target eq 'edit') {
1.21 matthew 947: $result.=&Apache::edit::tag_end($target,$token);
1.4 matthew 948: }
1.1 matthew 949: return $result;
950: }
1.21 matthew 951:
1.128 albertel 952: sub parse_label {
953: my ($target,$text) = @_;
954: my $parser=HTML::LCParser->new(\$text);
955: my $result;
956: while (my $token=$parser->get_token) {
957: if ($token->[0] eq 'S') {
958: if ($token->[1] eq 'sub') {
959: $result .= '_{';
960: } elsif ($token->[1] eq 'sup') {
961: $result .= '^{';
962: } else {
963: $result .= $token->[4];
964: }
965: } elsif ($token->[0] eq 'E') {
966: if ($token->[1] eq 'sub'
967: || $token->[1] eq 'sup') {
968: $result .= '}';
969: } else {
970: $result .= $token->[2];
971: }
972: } elsif ($token->[0] eq 'T') {
973: $result .= &replace_entities($target,$token->[1]);
974: }
975: }
976: return $result;
977: }
978:
1.143 foxr 979: #
980: # Note that there are severe restrictions on font selection in the
981: # ps driver now. later in life Gnuplot is supposed to support
982: # utf-8 fonts in the posts script driver. When this happens,
983: # the tex entries with comments that include the word <FIX>
984: # should be changed to print the correct glyphs rather than some
985: # approximation or fallback of what is intended.
1.128 albertel 986:
987: my %lookup =
1.137 foxr 988: ( # Greek alphabet:
1.139 foxr 989:
990: '(Alpha|#913)' => {'tex' => '{/Symbol A}', 'web' => "\x{391}"},
991: '(Beta|#914)' => {'tex' => '{/Symbol B}', 'web' => "\x{392}"},
992: '(Chi|#935)' => {'tex' => '{/Symbol C}', 'web' => "\x{3A7}"},
993: '(Delta|#916)' => {'tex' => '{/Symbol D}', 'web' => "\x{394}"},
994: '(Epsilon|#917)' => {'tex' => '{/Symbol E}', 'web' => "\x{395}"},
995: '(Phi|#934)' => {'tex' => '{/Symbol F}', 'web' => "\x{3A6}"},
996: '(Gamma|#915)' => {'tex' => '{/Symbol G}', 'web' => "\x{393}"},
997: '(Eta|#919)' => {'tex' => '{/Symbol H}', 'web' => "\x{397}"},
998: '(Iota|#921)' => {'tex' => '{/Symbol I}', 'web' => "\x{399}"},
999: '(Kappa|#922)' => {'tex' => '{/Symbol K}', 'web' => "\x{39A}"},
1000: '(Lambda|#923)' => {'tex' => '{/Symbol L}', 'web' => "\x{39B}"},
1001: '(Mu|#924)' => {'tex' => '{/Symbol M}', 'web' => "\x{39C}"},
1002: '(Nu|#925)' => {'tex' => '{/Symbol N}', 'web' => "\x{39D}"},
1003: '(Omicron|#927)' => {'tex' => '{/Symbol O}', 'web' => "\x{39F}"},
1004: '(Pi|#928)' => {'tex' => '{/Symbol P}', 'web' => "\x{3A0}"},
1005: '(Theta|#920)' => {'tex' => '{/Symbol Q}', 'web' => "\x{398}"},
1006: '(Rho|#929)' => {'tex' => '{/Symbol R}', 'web' => "\x{3A1}"},
1007: '(Sigma|#931)' => {'tex' => '{/Symbol S}', 'web' => "\x{3A3}"},
1008: '(Tau|#932)' => {'tex' => '{/Symbol T}', 'web' => "\x{3A4}"},
1009: '(Upsilon|#933)' => {'tex' => '{/Symbol U}', 'web' => "\x{3A5}"},
1010: '(Omega|#937)' => {'tex' => '{/Symbol W}', 'web' => "\x{3A9}"},
1011: '(Xi|#926)' => {'tex' => '{/Symbol X}', 'web' => "\x{39E}"},
1012: '(Psi|#936)' => {'tex' => '{/Symbol Y}', 'web' => "\x{3A8}"},
1013: '(Zeta|#918)' => {'tex' => '{/Symbol Z}', 'web' => "\x{396}"},
1014: '(alpha|#945)' => {'tex' => '{/Symbol a}', 'web' => "\x{3B1}"},
1015: '(beta|#946)' => {'tex' => '{/Symbol b}', 'web' => "\x{3B2}"},
1016: '(chi|#967)' => {'tex' => '{/Symbol c}', 'web' => "\x{3C7}"},
1017: '(delta|#948)' => {'tex' => '{/Symbol d}', 'web' => "\x{3B4}"},
1018: '(epsilon|#949)' => {'tex' => '{/Symbol e}', 'web' => "\x{3B5}"},
1019: '(phi|#966)' => {'tex' => '{/Symbol f}', 'web' => "\x{3C6}"},
1020: '(gamma|#947)' => {'tex' => '{/Symbol g}', 'web' => "\x{3B3}"},
1021: '(eta|#951)' => {'tex' => '{/Symbol h}', 'web' => "\x{3B7}"},
1022: '(iota|#953)' => {'tex' => '{/Symbol i}', 'web' => "\x{3B9}"},
1023: '(kappa|#954)' => {'tex' => '{/Symbol k}', 'web' => "\x{3BA}"},
1024: '(lambda|#955)' => {'tex' => '{/Symbol k}', 'web' => "\x{3BB}"},
1025: '(mu|#956)' => {'tex' => '{/Symbol m}', 'web' => "\x{3BC}"},
1026: '(nu|#957)' => {'tex' => '{/Symbol n}', 'web' => "\x{3BD}"},
1027: '(omicron|#959)' => {'tex' => '{/Symbol o}', 'web' => "\x{3BF}"},
1028: '(pi|#960)' => {'tex' => '{/Symbol p}', 'web' => "\x{3C0}"},
1029: '(theta|#952)' => {'tex' => '{/Symbol q}', 'web' => "\x{3B8}"},
1030: '(rho|#961)' => {'tex' => '{/Symbol r}', 'web' => "\x{3C1}"},
1031: '(sigma|#963)' => {'tex' => '{/Symbol s}', 'web' => "\x{3C3}"},
1032: '(tau|#964)' => {'tex' => '{/Symbol t}', 'web' => "\x{3C4}"},
1033: '(upsilon|#965)' => {'tex' => '{/Symbol u}', 'web' => "\x{3C5}"},
1034: '(omega|#969)' => {'tex' => '{/Symbol w}', 'web' => "\x{3C9}"},
1035: '(xi|#958)' => {'tex' => '{/Symbol x}', 'web' => "\x{3BE}"},
1036: '(psi|#968)' => {'tex' => '{/Symbol y}', 'web' => "\x{3C8}"},
1037: '(zeta|#950)' => {'tex' => '{/Symbol z}', 'web' => "\x{3B6}"},
1038: '(thetasym|#977)' => {'tex' => '{/Symbol \165}', 'web' => "\x{3d1}"},
1039: '(upsih|#978)' => {'tex' => '{/Symbol \241}', 'web' => "\x{3d2}"},
1040: '(piv|#982)' => {'tex' => '{/Symbol \166}', 'web' => "\x{3d6}"},
1.137 foxr 1041:
1042:
1043: # Punctuation:
1044:
1.138 foxr 1045: '(quot|#034)' => {'tex' => '\42', 'web' => '\42'},
1046: '(amp|#038)' => {'tex' => '\46', 'web' => '\46'},
1047: '(lt|#060)' => {'tex' => '\74', 'web' => '\74'},
1048: '(gt|#062)' => {'tex' => '\76', 'web' => '\76'},
1.137 foxr 1049: '#131' => {'tex' => '{/Symbol \246}', 'web' => "\x{192}"},
1.138 foxr 1050: '#132' => {'tex' => '{/Text \271}', 'web' => "\x{201e}"},
1051: '#133' => {'tex' => '{/Symbol \274}', 'web'=> "\x{2026}"},
1052: '#134' => {'tex' => '{/Text \262}', 'web' => "\x{2020}"},
1053: '#135' => {'tex' => '{/Text \263}', 'web' => "\x{2021}"},
1054: '#136' => {'tex' => '\\\\^', 'web' => '\\\\^'},
1.143 foxr 1055: '#137' => {'tex' => '%o', 'web' => "\x{2030}"}, # Per Mille <FIX>
1056: '#138' => {'tex' => 'S', 'web' => "\x{160}"}, # S-Caron <FIX>
1.138 foxr 1057: '#139' => {'tex' => '<', 'web' => '<'},
1.143 foxr 1058: '#140' => {'tex' => 'AE', 'web' => "\x{152}"}, # AE ligature <FIX>
1.138 foxr 1059: '#145' => {'tex' => '\140', 'web' => "\x{2018}"},
1060: '#146' => {'tex' => '\47', 'web' => "\x{2019}"},
1.143 foxr 1061: '#147' => {'tex' => '\140\140', 'web' => "\x{201c}"}, # Left " <FIX>
1062: '#148' => {'tex' => '\47\47', 'web' => '\\"'}, # Right " <FIX>
1.138 foxr 1063: '#149' => {'tex' => '{/Symbol \267}', 'web' => "\x{2022}"},
1.143 foxr 1064: '#150' => {'tex' => '{/Text \55}', 'web' => "\x{2013}"}, # en dash
1.138 foxr 1065: '#151' => {'tex' => '{/Symbol \55}', 'web' => "\x{2014}"}, # em dash
1.143 foxr 1066: '#152' => {'tex' => '\\\\~', 'web' => '\\\\~'},
1067: '#153' => {'tex' => '{/Symbol \324}', 'web' => "\x{2122}"}, # trademark
1.139 foxr 1068:
1069: # Accented letters, and other furreign language glyphs.
1070:
1.138 foxr 1071: '#154' => {'tex' => 's', 'web' => "\x{161}"}, # small s-caron no ps.
1072: '#155' => {'tex' => '>', 'web' => '\76'}, # >
1.143 foxr 1073: '#156' => {'tex' => '{/Text \366}', 'web' => "\x{153}"}, # oe ligature.<FIX>
1074: '#159', => {'tex' => 'Y', 'web' => "\x{178}"}, # Y-umlaut - can't print <FIX>
1.138 foxr 1075: '(nbsp|#160)' => {'tex' => ' ', 'web' => ' '}, # non breaking space.
1076: '(iexcl|#161)' => {'tex' => '{/Text \241}', 'web' => "\x{a1}"}, # inverted !
1077: '(cent|#162)' => {'tex' => '{/Text \242}', 'web' => "\x{a2}"}, # Cent currency.
1.142 foxr 1078: '(pound|#163)' => {'tex' => '{/Text \243}', 'web' => "\x{a3}"}, # GB Pound currency.
1.143 foxr 1079: '(curren|#164)' => {'tex' => '{/ZapfDingbats \161}','web' => "\x{a4}"}, # Generic currency symb. <FIX>
1.138 foxr 1080: '(yen|#165)' => {'tex' => '{/Text \245}', 'web' => "\x{a5}"}, # Yen currency.
1081: '(brvbar|#166)' => {'tex' => '{/Symbol \174}', 'web' => "\x{a6}"}, # Broken vert bar no print.
1082: '(sect|#167)' => {'tex' => '{\247}', 'web' => "\x{a7}"}, # Section symbol.
1083: '(uml|#168)' => {'tex' => '{\250}', 'web' => "\x{a8}"}, # 'naked' umlaut.
1084: '(copy|#169)' => {'tex' => '{/Symbol \343}', 'web' => "\x{a9}"}, # Copyright symbol.
1085: '(ordf|#170)' => {'tex' => '{/Text \343}', 'web' => "\x{aa}"}, # Feminine ordinal.
1086: '(laquo|#171)' => {'tex' => '{/Text \253}', 'web' => "\x{ab}"}, # << quotes.
1087: '(not|#172)' => {'tex' => '\254', 'web' => "\x{ac}"}, # Logical not.
1.143 foxr 1088: '(shy|#173)' => {'tex' => '\255', 'web' => "\x{ad}"}, # soft hyphen.
1.138 foxr 1089: '(reg|#174)' => {'tex' => '{/Symbol \342}', 'web' => "\x{ae}"}, # Registered tm.
1.143 foxr 1090: '(macr|#175)' => {'tex' => '^{\255}', 'web' => "\x{af}"}, # 'naked' macron (overbar).
1091: '(deg|#176)' => {'tex' => '{/Text \260}', 'web' => "\x{b0}"}, # Degree symbo..`
1.138 foxr 1092: '(plusmn|#177)' => {'tex' => '{/Symbol \261}', 'web' => "\x{b1}"}, # +/- symbol.
1093: '(sup2|#178)' => {'tex' => '^2', 'web' => "\x{b2}"}, # Superscript 2.
1094: '(sup3|#179)' => {'tex' => '^3', 'web' => "\x{b3}"}, # Superscript 3.
1.143 foxr 1095: '(acute|#180)' => {'tex' => '{/Text \222}', 'web' => "\x{b4}"}, # 'naked' acute accent.
1.138 foxr 1096: '(micro|#181)' => {'tex' => '{/Symbol \155}', 'web' => "\x{b5}"}, # Micro (small mu).
1097: '(para|#182)' => {'tex' => '{/Text \266}', 'web' => "\x{b6}"}, # Paragraph symbol.
1.143 foxr 1098: '(middot|#183)' => {'tex' => '\267', 'web' => "\x{b7}"}, # middle dot
1.138 foxr 1099: '(cedil|#184)' => {'tex' => '\233', 'web' => "\x{b8}"}, # 'naked' cedilla.
1100: '(sup1|#185)' => {'tex' => '^1', 'web' => "\x{b9}"}, # superscript 1.
1.143 foxr 1101: '(ordm|#186)' => {'tex' => '{\260}', 'web' => "\x{ba}"}, # masculine ordinal.
1.138 foxr 1102: '(raquo|#187)', => {'tex' => '\273', 'web' => "\x{bb}"}, # Right angle quotes.
1103: '(frac14|#188)' => {'tex' => '\274', 'web' => "\x{bc}"}, # 1/4.
1104: '(frac12|#189)' => {'tex' => '\275', 'web' => "\x{bd}"}, # 1/2.
1105: '(frac34|#190)' => {'tex' => '\276', 'web' => "\x{be}"}, # 3/4
1106: '(iquest|#191)' => {'tex' => '{/Text \277}', 'web' => "\x{bf}"}, # Inverted ?
1107: '(Agrave|#192)' => {'tex' => '\300', 'web' => "\x{c0}"}, # A Grave.
1108: '(Aacute|#193)' => {'tex' => '\301', 'web' => "\x{c1}"}, # A Acute.
1109: '(Acirc|#194)' => {'tex' => '\302', 'web' => "\x{c2}"}, # A Circumflex.
1110: '(Atilde|#195)' => {'tex' => '\303', 'web' => "\x{c3}"}, # A tilde.
1111: '(Auml|#196)' => {'tex' => '\304', 'web' => "\x{c4}"}, # A umlaut.
1112: '(Aring|#197)' => {'tex' => '\305', 'web' => "\x{c5}"}, # A ring.
1.139 foxr 1113: '(AElig|#198)' => {'tex' => '\306', 'web' => "\x{c6}"}, # AE ligature.
1114: '(Ccedil|#199)' => {'tex' => '\307', 'web' => "\x{c7}"}, # C cedilla
1115: '(Egrave|#200)' => {'tex' => '\310', 'web' => "\x{c8}"}, # E Accent grave.
1116: '(Eacute|#201)' => {'tex' => '\311', 'web' => "\x{c9}"}, # E acute accent.
1117: '(Ecirc|#202)' => {'tex' => '\312', 'web' => "\x{ca}"}, # E Circumflex.
1118: '(Euml|#203)' => {'tex' => '\313', 'web' => "\x{cb}"}, # E umlaut.
1119: '(Igrave|#204)' => {'tex' => '\314', 'web' => "\x{cc}"}, # I grave accent.
1120: '(Iacute|#205)' => {'tex' => '\315', 'web' => "\x{cd}"}, # I acute accent.
1121: '(Icirc|#206)' => {'tex' => '\316', 'web' => "\x{ce}"}, # I circumflex.
1122: '(Iuml|#207)' => {'tex' => '\317', 'web' => "\x{cf}"}, # I umlaut.
1123: '(ETH|#208)' => {'tex' => '\320', 'web' => "\x{d0}"}, # Icelandic Cap eth.
1124: '(Ntilde|#209)' => {'tex' => '\321', 'web' => "\x{d1}"}, # Ntilde (enyan).
1125: '(Ograve|#210)' => {'tex' => '\322', 'web' => "\x{d2}"}, # O accent grave.
1126: '(Oacute|#211)' => {'tex' => '\323', 'web' => "\x{d3}"}, # O accent acute.
1127: '(Ocirc|#212)' => {'tex' => '\324', 'web' => "\x{d4}"}, # O circumflex.
1128: '(Otilde|#213)' => {'tex' => '\325', 'web' => "\x{d5}"}, # O tilde.
1129: '(Ouml|#214)' => {'tex' => '\326', 'web' => "\x{d6}"}, # O umlaut.
1130: '(times|#215)' => {'tex' => '\327', 'web' => "\x{d7}"}, # Times symbol.
1131: '(Oslash|#216)' => {'tex' => '\330', 'web' => "\x{d8}"}, # O slash.
1132: '(Ugrave|#217)' => {'tex' => '\331', 'web' => "\x{d9}"}, # U accent grave.
1133: '(Uacute|#218)' => {'tex' => '\332', 'web' => "\x{da}"}, # U accent acute.
1134: '(Ucirc|#219)' => {'tex' => '\333', 'web' => "\x{db}"}, # U circumflex.
1135: '(Uuml|#220)' => {'tex' => '\334', 'web' => "\x{dc}"}, # U umlaut.
1136: '(Yacute|#221)' => {'tex' => '\335', 'web' => "\x{dd}"}, # Y accent acute.
1137: '(THORN|#222)' => {'tex' => '\336', 'web' => "\x{de}"}, # Icelandic thorn.
1138: '(szlig|#223)' => {'tex' => '\337', 'web' => "\x{df}"}, # German sharfes s.
1139: '(agrave|#224)' => {'tex' => '\340', 'web' => "\x{e0}"}, # a accent grave.
1140: '(aacute|#225)' => {'tex' => '\341', 'web' => "\x{e1}"}, # a grave.
1141: '(acirc|#226)' => {'tex' => '\342', 'web' => "\x{e2}"}, # a circumflex.
1142: '(atilde|#227)' => {'tex' => '\343', 'web' => "\x{e3}"}, # a tilde.
1143: '(auml|#228)' => {'tex' => '\344', 'web' => "\x{e4}"}, # a umlaut
1144: '(aring|#229)' => {'tex' => '\345', 'web' => "\x{e5}"}, # a ring on top.
1145: '(aelig|#230)' => {'tex' => '\346', 'web' => "\x{e6}"}, # ae ligature.
1.142 foxr 1146: '(ccedil|#231)' => {'tex' => '\347', 'web' => "\x{e7}"}, # C cedilla
1.139 foxr 1147: '(egrave|#232)' => {'tex' => '\350', 'web' => "\x{e8}"}, # e accent grave.
1148: '(eacute|#233)' => {'tex' => '\351', 'web' => "\x{e9}"}, # e accent acute.
1149: '(ecirc|#234)' => {'tex' => '\352', 'web' => "\x{ea}" }, # e circumflex.
1150: '(euml|#235)' => {'tex' => '\353', 'web' => "\x{eb}"}, # e umlaut.
1151: '(igrave|#236)' => {'tex' => '\354', 'web' => "\x{ec}"}, # i grave.
1.142 foxr 1152: '(iacute|#237)' => {'tex' => '\355', 'web' => "\x{ed}"}, # i acute.
1153: '(icirc|#238)' => {'tex' => '\356', 'web' => "\x{ee}"}, # i circumflex.
1.139 foxr 1154: '(iuml|#239)' => {'tex' => '\357', 'web' => "\x{ef}"}, # i umlaut.
1155: '(eth|#240)' => {'tex' => '\360', 'web' => "\x{f0}"}, # Icelandic eth.
1156: '(ntilde|#241)' => {'tex' => '\361', 'web' => "\x{f1}"}, # n tilde.
1157: '(ograve|#242)' => {'tex' => '\362', 'web' => "\x{f2}"}, # o grave.
1158: '(oacute|#243)' => {'tex' => '\363', 'web' => "\x{f3}"}, # o acute.
1.143 foxr 1159: '(ocirc|#244)' => {'tex' => '\364', 'web' => "\x{f4}"}, # o circumflex.
1.139 foxr 1160: '(otilde|#245)' => {'tex' => '\365', 'web' => "\x{f5}"}, # o tilde.
1161: '(ouml|#246)' => {'tex' => '\366', 'web' => "\x{f6}"}, # o umlaut.
1162: '(divide|#247)' => {'tex' => '\367', 'web' => "\x{f7}"}, # division symbol
1163: '(oslash|#248)' => {'tex' => '\370', 'web' => "\x{f8}"}, # o slashed.
1164: '(ugrave|#249)' => {'tex' => '\371', 'web' => "\x{f9}"}, # u accent grave.
1165: '(uacute|#250)' => {'tex' => '\372', 'web' => "\x{fa}"}, # u acute.
1166: '(ucirc|#251)' => {'tex' => '\373', 'web' => "\x{fb}"}, # u circumflex.
1167: '(uuml|#252)' => {'tex' => '\374', 'web' => "\x{fc}"}, # u umlaut.
1168: '(yacute|#253)' => {'tex' => '\375', 'web' => "\x{fd}"}, # y acute accent.
1169: '(thorn|#254)' => {'tex' => '\376', 'web' => "\x{fe}"}, # small thorn (icelandic).
1170: '(yuml|#255)' => {'tex' => '\377', 'web' => "\x{ff}"}, # y umlaut.
1171:
1172: # Latin extended A entities:
1173:
1.143 foxr 1174: '(OElig|#338)' => {'tex' => '{/Text \326}', 'web' => "\x{152}"}, # OE ligature.
1175: '(oelig|#339)' => {'tex' => '{/Text \366}', 'web' => "\x{153}"}, # oe ligature.
1.139 foxr 1176: '(Scaron|#352)' => {'tex' => 'S', 'web' => "\x{160}"}, # S caron no printable.
1177: '(scaron|#353)' => {'tex' => 's', 'web' => "\x{161}"}, # s caron no printable.
1178: '(Yuml|#376)' => {'tex' => 'Y', 'web' => "\x{178}"}, # Y umlaut - no printable.
1179:
1180: # Latin extended B.
1181:
1.143 foxr 1182: '(fnof|#402)' => {'tex' =>'{/Symbol \246}', 'web' => "\x{192}"}, # f with little hook.
1.139 foxr 1183:
1.140 foxr 1184: # Standalone accents:
1.139 foxr 1185:
1186: '(circ|#710)' => {'tex' => '^', 'web' => '^'}, # circumflex.
1187: '(tilde|#732)' => {'tex' => '~', 'web' => '~'}, # tilde.
1188:
1.140 foxr 1189: # General punctuation. We're not able to make a distinction between
1190: # the various length spacings in the print version. (e.g. en/em/thin).
1191: # the various joiners will be empty strings in the print version too.
1192:
1193:
1194: '(ensp|#8194)' => {'tex' => ' ', 'web' => "\x{2002}"}, # en space.
1195: '(emsp|#8195)' => {'tex' => ' ', 'web' => "\x{2003}"}, # em space.
1196: '(thinsp|#8201)' => {'tex' => ' ', 'web' => "\x{2009}"}, # thin space.
1.144 foxr 1197: '(zwnj|#8204)' => {'tex' => ' ', 'web' => "\x{200c}"}, # Zero width non joiner.
1198: '(zwj|#8205)' => {'tex' => ' ', 'web' => "\x{200d}"}, # Zero width joiner.
1199: '(lrm|#8206)' => {'tex' => ' ', 'web' => "\x{200e}"}, # Left to right mark
1200: '(rlm|#8207)' => {'tex' => ' ', 'web' => "\x{200f}"}, # right to left mark.
1.140 foxr 1201: '(ndash|#8211)' => {'tex' => '{/Text \55}', 'web' => "\x{2013}"}, # en dash.
1202: '(mdash|#8212)' => {'tex' => '{/Symbol \55}', 'web' => "\x{2014}"}, # em dash.
1203: '(lsquo|#8216)' => {'tex' => '{/Text \140}', 'web' => "\x{2018}"}, # Left single quote.
1.144 foxr 1204: '(rsquo|#8217)' => {'tex' => '\47', 'web' => "\x{2019}"}, # Right single quote.
1205: '(sbquo|#8218)' => {'tex' => '\54', 'web' => "\x{201a}"}, # Single low-9 quote.
1206: '(ldquo|#8220)' => {'tex' => '\42', 'web' => "\x{201c}"}, # Left double quote.
1207: '(rdquo|#8221)' => {'tex' => '\42', 'web' => "\x{201d}"}, # Right double quote.
1208: '(bdquo|#8222)' => {'tex' => ',', 'web' => "\x{201e}"}, # Double low-9 quote.
1209: '(dagger|#8224)' => {'tex' => '+', 'web' => "\x{2020}"}, # Is this a dagger I see before me now?
1.145 foxr 1210: '(Dagger|#8225)' => {'tex' => '\261', 'web' => "\x{2021}"}, # it's handle pointing towards my heart?
1.140 foxr 1211: '(bull|#8226)' => {'tex' => '\267', 'web' => "\x{2022}"}, # Bullet.
1.144 foxr 1212: '(hellep|#8230)' => {'tex' => '{/Symbol \274}', 'web' => "\x{2026}"}, # Ellipses.
1213: '(permil|#8240)' => {'tex' => '%_o', 'web' => "\x{2031}"}, # Per mille.
1.140 foxr 1214: '(prime|#8242)' => {'tex' => '\264', 'web' => "\x{2032}"}, # Prime.
1215: '(Prime|#8243)' => {'tex' => '{/Symbol \262}', 'web' => "\x{2033}"}, # double prime.
1.144 foxr 1216: '(lsaquo|#8249)' => {'tex' => '<', 'web' => "\x{2039}"}, # < quote.
1217: '(rsaquo|#8250)' => {'tex' => '\74', 'web' => "\x{203a}"}, # > quote.
1.140 foxr 1218: '(oline|#8254)' => {'tex' => '{/Symbol \140}', 'web' => "\x{203e}"}, # Overline.
1219: '(frasl|#8260)' => {'tex' => '/', 'web' => "\x{2044}"}, # Fraction slash.
1.144 foxr 1220: '(euro|#8364)' => {'tex' => '{/Symbol \240}', 'web' => "\x{20ac}"}, # Euro currency.
1.140 foxr 1221:
1222: # Letter like symbols.
1223:
1224: '(weierp|#8472)' => {'tex' => '{/Symbol \303}', 'web' => "\x{2118}"}, # Power set symbol
1225: '(image|#8465)' => {'tex' => '{/Symbol \301}', 'web' => "\x{2111}"}, # Imaginary part
1226: '(real|#8476)' => {'tex' => '{/Symbol \302}', 'web' => "\x{211c}"}, # Real part.
1227: '(trade|#8482)' => {'tex' => '{/Symbol \344}', 'web' => "\x{2122}"}, # trademark symbol.
1228: '(alefsym|#8501)' => {'tex' => '{/Symbol \300}', 'web' => "\x{2135}"}, # Hebrew alef.
1229:
1230: # Arrows of various types and directions.
1231: '(larr|#8592)' => {'tex' => '{/Symbol \254}', 'web' => "\x{2190}"}, # <--
1.142 foxr 1232: '(uarr|#8593)' => {'tex' => '{/Symbol \255}', 'web' => "\x{2191}"}, # up arrow.
1.140 foxr 1233: '(rarr|#8594)' => {'tex' => '{/Symbol \256}', 'web' => "\x{2192}"}, # -->
1234: '(darr|#8595)' => {'tex' => '{/Symbol \257}', 'web' => "\x{2193}"}, # down arrow.
1235: '(harr|#8596)' => {'tex' => '{/Symbol \253}', 'web' => "\x{2194}"}, # <-->
1236: '(crarr|#8629)' => {'tex' => '{/Symbol \277}', 'web' => "\x{21b5}"}, # corner arrow down and right.
1237: '(lArr|#8656)' => {'tex' => '{/Symbol \334}', 'web' => "\x{21d0}"}, # <==
1238: '(uArr|#8657)' => {'tex' => '{/Symbol \335}', 'web' => "\x{21d1}"}, # Up double arrow.
1239: '(rArr|#8658)' => {'tex' => '{/Symbol \336}', 'web' => "\x{21d2}"}, # ==>
1240: '(dArr|#8659)' => {'tex' => '{/Symbol \337}', 'web' => "\x{21d3}"}, # Down double arrow.
1241: '(hArr|#8660)' => {'tex' => '{/Symbol \333}', 'web' => "\x{21d4}"}, # <==>
1242:
1243: # Mathematical operators. For some of these we do the best we can in printing.
1244:
1245: '(forall|#8704)' => {'tex' => '{/Symbol \42}', 'web' => "\x{2200}"}, # For all.
1246: '(part|#8706)' => {'tex' => '{/Symbol d}', 'web' => "\x{2202}"}, # partial derivative
1247: '(exist|#8707)' => {'tex' => '{/Symbol \44}', 'web' => "\x{2203}"}, # There exists.
1248: '(empty|#8709)' => {'tex' => '{/Symbol \306}', 'web' => "\x{2205}"}, # Null set.
1249: '(nabla|#8711)' => {'tex' => '{/Symbol \321}', 'web' => "\x{2207}"}, # Gradient e.g.
1250: '(isin|#8712)' => {'tex' => '{/Symbol \316}', 'web' => "\x{2208}"}, # Element of the set.
1.145 foxr 1251: '(notin|#8713)' => {'tex' => '{/Symbol \317}', 'web' => "\x{2209}"}, # Not an element of
1.140 foxr 1252: '(ni|#8715)' => {'tex' => '{/Symbol \47}', 'web' => "\x{220b}"}, # Contains as a member
1253: '(prod|#8719)' => {'tex' => '{/Symbol \325}', 'web' => "\x{220f}"}, # Product
1254: '(sum|#8721)' => {'tex' => '{/Symbol \345}', 'web' => "\x{2211}"}, # Sum of.
1.145 foxr 1255: '(minus|#8722)' => {'tex' => '{/Symbol \55}', 'web' => "\x{2212}"}, # - sign.
1.140 foxr 1256: '(lowast|#8727)' => {'tex' => '*', 'web' => "\x{2217}"}, # *
1257: '(radic|#8730)' => {'tex' => '{/Symbol \326}', 'web' => "\x{221a}"}, # Square root.
1258: '(prop|#8733)' => {'tex' => '{/Symbol \265}', 'web' => "\x{221d}"}, # Proportional to.
1259: '(infin|#8734)' => {'tex' => '{/Symbol \245}', 'web' => "\x{221e}"}, # Infinity.
1260: '(ang|#8736)' => {'tex' => '{/Symbol \320}', 'web' => "\x{2220}"}, # Angle .
1261: '(and|#8743)' => {'tex' => '{/Symbol \331}', 'web' => "\x{2227}"}, # Logical and.
1262: '(or|#8744)' => {'tex' => '{/Symbol \332}', 'web' => "\x{2228}"}, # Logical or.
1263: '(cap|#8745)' => {'tex' => '{/Symbol \307}', 'web' => "\x{2229}"}, # Set intersection.
1264: '(cup|#8746)' => {'tex' => '{/Symbol \310}', 'web' => "\x{222a}"}, # Set union.
1265: '(int|8747)' => {'tex' => '{/Symbol \362}', 'web' => "\x{222b}"}, # Integral.
1.145 foxr 1266:
1267: # Some gnuplot guru will have to explain to me why the next three
1268: # require the extra slashes... else they print very funkily.
1269:
1270: '(there4|#8756)' => {'tex' => '{/Symbol \\\134}', 'web' => "\x{2234}"}, # Therefore triple dots.
1271: '(sim|#8764)' => {'tex' => '\\\176', 'web' => "\x{223c}"}, # Simlar to.
1272: '(cong|#8773)' => {'tex' => '{/Symbol \\\100}','web' => "\x{2245}"}, # Congruent to/with.
1273:
1274: '(asymp|#8776)' => {'tex' => '{/Symbol \273}', 'web' => "\x{2248}"}, # Asymptotic to.
1.141 foxr 1275: '(ne|#8800)' => {'tex' => '{/Symbol \271}', 'web' => "\x{2260}"}, # not equal to.
1276: '(equiv|#8801)' => {'tex' => '{/Symbol \272}', 'web' => "\x{2261}"}, # Equivalent to.
1277: '(le|8804)' => {'tex' => '{/Symbol \243}', 'web' => "\x{2264}"}, # Less than or equal to.
1278: '(ge|8805)' => {'tex' => '{/Symbol \263}', 'web' => "\x{2265}"}, # Greater than or equal to
1279: '(sub|8834)' => {'tex' => '{/Symbol \314}', 'web' => "\x{2282}"}, # Subset of.
1280: '(sup|8835)' => {'tex' => '{/Symbol \311}', 'web' => "\x{2283}"}, # Super set of.
1281: '(nsub|8836)' => {'tex' => '{/Symbol \313}', 'web' => "\x{2284}"}, # not subset of.
1282: '(sube|8838)' => {'tex' => '{/Symbol \315}', 'web' => "\x{2286}"}, # Subset or equal.
1283: '(supe|8839)' => {'tex' => '{/Symbol \312}', 'web' => "\x{2287}"}, # Superset or equal
1284: '(oplus|8853)' => {'tex' => '{/Symbol \305}', 'web' => "\x{2295}"}, # O with plus inside
1285: '(otimes|8855)' => {'tex' => '{/Symbol \304}', 'web' => "\x{2297}"}, # O with times.
1286: '(perp|8869)' => {'tex' => '{/Symbol \136}', 'web' => "\x{22a5}"}, # Perpendicular.
1287: '(sdot|8901)' => {'tex' => '{/Symbol \227}', 'web' => "\x{22c5}"}, # Dot operator.
1288:
1289: # Misc. technical symbols:
1290:
1291: '(lceil|8698)' => {'tex' => '{/Symbol \351}', 'web' => "\x{2308}"}, # Left ceiling.
1292: '(rceil|8969)' => {'tex' => '{/Symbol \371}', 'web' => "\x{2309}"}, # Right ceiling.
1293: '(lfloor|8970)' => {'tex' => '{/Symbol \353}', 'web' => "\x{230a}"}, # Left floor.
1294: '(rfloor|8971)' => {'tex' => '{/Symbol \373}', 'web' => "\x{230b}"}, # Right floor.
1.145 foxr 1295:
1296: # The gnuplot png font evidently does not have the big angle brackets at
1297: # positions 0x2329, 0x232a so use ordinary brackets.
1298:
1299: '(lang|9001)' => {'tex' => '{/Symbol \341}', 'web' => '<'}, # Left angle bracket.
1300: '(rang|9002)' => {'tex' => '{/Symbol \361}', 'web' => '>'}, # Right angle bracket.
1.141 foxr 1301:
1302: # Gemoetric shapes.
1303:
1304: '(loz|9674)' => {'tex' => '{/Symbol \340}', 'web' => "\x{25ca}"}, # Lozenge.
1305:
1306: # Misc. symbols
1307:
1308: '(spades|9824)' => {'tex' => '{/Symbol \252}', 'web' => "\x{2660}"},
1309: '(clubs|9827)' => {'tex' => '{/Symbol \247}', 'web' => "\x{2663}"},
1310: '(hearts|9829)' => {'tex' => '{/Symbol \251}', 'web' => "\x{2665}"},
1311: '(diams|9830)' => {'tex' => '{/Symbol \250}', 'web' => "\x{2666}"}
1.139 foxr 1312:
1.133 albertel 1313: );
1314:
1.128 albertel 1315:
1316: sub replace_entities {
1317: my ($target,$text) = @_;
1318: $text =~ s{([_^~\{\}]|\\\\)}{\\\\$1}g;
1319: while (my ($re, $replace) = each(%lookup)) {
1.137 foxr 1320: my $repl = $replace->{$target};
1.128 albertel 1321: $text =~ s/&$re;/$replace->{$target}/g;
1322: }
1323: $text =~ s{(&)}{\\\\$1}g;
1324: return $text;
1.127 albertel 1325: }
1326:
1.1 matthew 1327: ##------------------------------------------------------------------- title
1328: sub start_title {
1329: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1330: my $result='';
1.51 matthew 1331: if ($target eq 'web' || $target eq 'tex') {
1.112 albertel 1332: $title = &Apache::lonxml::get_all_text("/title",$parser,$style);
1.58 matthew 1333: $title=&Apache::run::evaluate($title,$safeeval,$$parstack[-1]);
1.49 matthew 1334: $title =~ s/\n/ /g;
1.32 matthew 1335: if (length($title) > $max_str_len) {
1336: $title = substr($title,0,$max_str_len);
1337: }
1.128 albertel 1338: $title = &parse_label($target,$title);
1.20 matthew 1339: } elsif ($target eq 'edit') {
1.25 matthew 1340: $result.=&Apache::edit::tag_start($target,$token,'Plot Title');
1.112 albertel 1341: my $text=&Apache::lonxml::get_all_text("/title",$parser,$style);
1.116 albertel 1342: $result.=&Apache::edit::editline('',$text,'',60);
1.20 matthew 1343: } elsif ($target eq 'modified') {
1.42 matthew 1344: $result.=&Apache::edit::rebuild_tag($token);
1.93 albertel 1345: $result.=&Apache::edit::modifiedfield("/title",$parser);
1.4 matthew 1346: }
1.1 matthew 1347: return $result;
1348: }
1349:
1350: sub end_title {
1351: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1352: my $result = '';
1.51 matthew 1353: if ($target eq 'web' || $target eq 'tex') {
1.20 matthew 1354: } elsif ($target eq 'edit') {
1.27 matthew 1355: $result.=&Apache::edit::tag_end($target,$token);
1.4 matthew 1356: }
1.1 matthew 1357: return $result;
1358: }
1359: ##------------------------------------------------------------------- xlabel
1360: sub start_xlabel {
1361: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1362: my $result='';
1.51 matthew 1363: if ($target eq 'web' || $target eq 'tex') {
1.112 albertel 1364: $xlabel = &Apache::lonxml::get_all_text("/xlabel",$parser,$style);
1.58 matthew 1365: $xlabel=&Apache::run::evaluate($xlabel,$safeeval,$$parstack[-1]);
1.49 matthew 1366: $xlabel =~ s/\n/ /g;
1.32 matthew 1367: if (length($xlabel) > $max_str_len) {
1368: $xlabel = substr($xlabel,0,$max_str_len);
1369: }
1.128 albertel 1370: $xlabel = &parse_label($target,$xlabel);
1.20 matthew 1371: } elsif ($target eq 'edit') {
1.25 matthew 1372: $result.=&Apache::edit::tag_start($target,$token,'Plot Xlabel');
1.112 albertel 1373: my $text=&Apache::lonxml::get_all_text("/xlabel",$parser,$style);
1.116 albertel 1374: $result.=&Apache::edit::editline('',$text,'',60);
1.20 matthew 1375: } elsif ($target eq 'modified') {
1.42 matthew 1376: $result.=&Apache::edit::rebuild_tag($token);
1.93 albertel 1377: $result.=&Apache::edit::modifiedfield("/xlabel",$parser);
1.4 matthew 1378: }
1.1 matthew 1379: return $result;
1380: }
1381:
1382: sub end_xlabel {
1383: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1384: my $result = '';
1.51 matthew 1385: if ($target eq 'web' || $target eq 'tex') {
1.20 matthew 1386: } elsif ($target eq 'edit') {
1.27 matthew 1387: $result.=&Apache::edit::tag_end($target,$token);
1.4 matthew 1388: }
1.1 matthew 1389: return $result;
1390: }
1.21 matthew 1391:
1.1 matthew 1392: ##------------------------------------------------------------------- ylabel
1393: sub start_ylabel {
1394: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1395: my $result='';
1.51 matthew 1396: if ($target eq 'web' || $target eq 'tex') {
1.112 albertel 1397: $ylabel = &Apache::lonxml::get_all_text("/ylabel",$parser,$style);
1.58 matthew 1398: $ylabel = &Apache::run::evaluate($ylabel,$safeeval,$$parstack[-1]);
1.49 matthew 1399: $ylabel =~ s/\n/ /g;
1.32 matthew 1400: if (length($ylabel) > $max_str_len) {
1401: $ylabel = substr($ylabel,0,$max_str_len);
1402: }
1.128 albertel 1403: $ylabel = &parse_label($target,$ylabel);
1.20 matthew 1404: } elsif ($target eq 'edit') {
1.25 matthew 1405: $result .= &Apache::edit::tag_start($target,$token,'Plot Ylabel');
1.112 albertel 1406: my $text = &Apache::lonxml::get_all_text("/ylabel",$parser,$style);
1.116 albertel 1407: $result .= &Apache::edit::editline('',$text,'',60);
1.20 matthew 1408: } elsif ($target eq 'modified') {
1.42 matthew 1409: $result.=&Apache::edit::rebuild_tag($token);
1.93 albertel 1410: $result.=&Apache::edit::modifiedfield("/ylabel",$parser);
1.4 matthew 1411: }
1.1 matthew 1412: return $result;
1413: }
1414:
1415: sub end_ylabel {
1416: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1417: my $result = '';
1.51 matthew 1418: if ($target eq 'web' || $target eq 'tex') {
1.20 matthew 1419: } elsif ($target eq 'edit') {
1.27 matthew 1420: $result.=&Apache::edit::tag_end($target,$token);
1.4 matthew 1421: }
1.1 matthew 1422: return $result;
1423: }
1.21 matthew 1424:
1.1 matthew 1425: ##------------------------------------------------------------------- label
1426: sub start_label {
1427: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1428: my $result='';
1.51 matthew 1429: if ($target eq 'web' || $target eq 'tex') {
1.17 matthew 1430: my %label;
1431: &get_attributes(\%label,\%label_defaults,$parstack,$safeeval,
1.11 matthew 1432: $tagstack->[-1]);
1.112 albertel 1433: my $text = &Apache::lonxml::get_all_text("/label",$parser,$style);
1.58 matthew 1434: $text = &Apache::run::evaluate($text,$safeeval,$$parstack[-1]);
1.49 matthew 1435: $text =~ s/\n/ /g;
1.32 matthew 1436: $text = substr($text,0,$max_str_len) if (length($text) > $max_str_len);
1.128 albertel 1437: $label{'text'} = &parse_label($target,$text);
1.17 matthew 1438: push(@labels,\%label);
1.20 matthew 1439: } elsif ($target eq 'edit') {
1.25 matthew 1440: $result .= &Apache::edit::tag_start($target,$token,'Plot Label');
1.21 matthew 1441: $result .= &edit_attributes($target,$token,\%label_defaults);
1.112 albertel 1442: my $text = &Apache::lonxml::get_all_text("/label",$parser,$style);
1.39 matthew 1443: $result .= &Apache::edit::end_row().
1444: &Apache::edit::start_spanning_row().
1.63 albertel 1445: &Apache::edit::editline('',$text,'',60);
1.20 matthew 1446: } elsif ($target eq 'modified') {
1.42 matthew 1447: &Apache::edit::get_new_args
1.24 matthew 1448: ($token,$parstack,$safeeval,keys(%label_defaults));
1.42 matthew 1449: $result.=&Apache::edit::rebuild_tag($token);
1.93 albertel 1450: $result.=&Apache::edit::modifiedfield("/label",$parser);
1.4 matthew 1451: }
1.1 matthew 1452: return $result;
1453: }
1454:
1455: sub end_label {
1456: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1457: my $result = '';
1.51 matthew 1458: if ($target eq 'web' || $target eq 'tex') {
1.20 matthew 1459: } elsif ($target eq 'edit') {
1.21 matthew 1460: $result.=&Apache::edit::tag_end($target,$token);
1.4 matthew 1461: }
1.1 matthew 1462: return $result;
1463: }
1464:
1465: ##------------------------------------------------------------------- curve
1466: sub start_curve {
1467: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1468: my $result='';
1.25 matthew 1469: &Apache::lonxml::register('Apache::lonplot',('function','data'));
1470: push (@Apache::lonxml::namespace,'curve');
1.51 matthew 1471: if ($target eq 'web' || $target eq 'tex') {
1.17 matthew 1472: my %curve;
1473: &get_attributes(\%curve,\%curve_defaults,$parstack,$safeeval,
1.11 matthew 1474: $tagstack->[-1]);
1.17 matthew 1475: push (@curves,\%curve);
1.20 matthew 1476: } elsif ($target eq 'edit') {
1.26 matthew 1477: $result .= &Apache::edit::tag_start($target,$token,'Curve');
1.60 matthew 1478: $result .= &edit_attributes($target,$token,\%curve_defaults,
1.116 albertel 1479: \@curve_edit_order)
1480: .&Apache::edit::end_row()
1481: .&Apache::edit::start_spanning_row();
1482:
1.20 matthew 1483: } elsif ($target eq 'modified') {
1484: my $constructtag=&Apache::edit::get_new_args
1.35 matthew 1485: ($token,$parstack,$safeeval,keys(%curve_defaults));
1.20 matthew 1486: if ($constructtag) {
1.155 foxr 1487: #
1488: # Fix up the color attribute as jcolor does not prepend an x
1489: #
1490: my $value = $token->[2]{'color'};
1491: if (defined $value && !($value =~ /^x/)) {
1492: $token->[2]{'color'} = 'x' . $value;
1493: }
1.20 matthew 1494: $result = &Apache::edit::rebuild_tag($token);
1495: }
1.4 matthew 1496: }
1.1 matthew 1497: return $result;
1498: }
1499:
1500: sub end_curve {
1501: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1502: my $result = '';
1.25 matthew 1503: pop @Apache::lonxml::namespace;
1504: &Apache::lonxml::deregister('Apache::lonplot',('function','data'));
1.51 matthew 1505: if ($target eq 'web' || $target eq 'tex') {
1.20 matthew 1506: } elsif ($target eq 'edit') {
1.21 matthew 1507: $result.=&Apache::edit::tag_end($target,$token);
1.4 matthew 1508: }
1.1 matthew 1509: return $result;
1510: }
1.21 matthew 1511:
1.1 matthew 1512: ##------------------------------------------------------------ curve function
1513: sub start_function {
1514: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1515: my $result='';
1.51 matthew 1516: if ($target eq 'web' || $target eq 'tex') {
1.17 matthew 1517: if (exists($curves[-1]->{'data'})) {
1.85 matthew 1518: &Apache::lonxml::warning
1519: ('Use of the <b>curve function</b> tag precludes use of '.
1520: ' the <b>curve data</b> tag. '.
1521: 'The curve data tag will be omitted in favor of the '.
1522: 'curve function declaration.');
1.17 matthew 1523: delete $curves[-1]->{'data'} ;
1524: }
1.112 albertel 1525: my $function = &Apache::lonxml::get_all_text("/function",$parser,
1526: $style);
1.58 matthew 1527: $function = &Apache::run::evaluate($function,$safeeval,$$parstack[-1]);
1.147 www 1528: $function=~s/\^/\*\*/gs;
1.163 foxr 1529: $function=~ s/^\s+//; # Trim leading
1530: $function=~ s/\s+$//; # And trailing whitespace.
1.58 matthew 1531: $curves[-1]->{'function'} = $function;
1.20 matthew 1532: } elsif ($target eq 'edit') {
1.37 matthew 1533: $result .= &Apache::edit::tag_start($target,$token,'Gnuplot compatible curve function');
1.112 albertel 1534: my $text = &Apache::lonxml::get_all_text("/function",$parser,$style);
1.116 albertel 1535: $result .= &Apache::edit::editline('',$text,'',60);
1.20 matthew 1536: } elsif ($target eq 'modified') {
1.42 matthew 1537: $result.=&Apache::edit::rebuild_tag($token);
1.93 albertel 1538: $result.=&Apache::edit::modifiedfield("/function",$parser);
1.4 matthew 1539: }
1.1 matthew 1540: return $result;
1541: }
1542:
1543: sub end_function {
1544: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1545: my $result = '';
1.51 matthew 1546: if ($target eq 'web' || $target eq 'tex') {
1.20 matthew 1547: } elsif ($target eq 'edit') {
1.26 matthew 1548: $result .= &Apache::edit::end_table();
1.4 matthew 1549: }
1.1 matthew 1550: return $result;
1551: }
1.21 matthew 1552:
1.1 matthew 1553: ##------------------------------------------------------------ curve data
1554: sub start_data {
1555: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1556: my $result='';
1.51 matthew 1557: if ($target eq 'web' || $target eq 'tex') {
1.17 matthew 1558: if (exists($curves[-1]->{'function'})) {
1.85 matthew 1559: &Apache::lonxml::warning
1560: ('Use of the <b>curve function</b> tag precludes use of '.
1561: ' the <b>curve data</b> tag. '.
1562: 'The curve function tag will be omitted in favor of the '.
1563: 'curve data declaration.');
1.17 matthew 1564: delete($curves[-1]->{'function'});
1565: }
1.112 albertel 1566: my $datatext = &Apache::lonxml::get_all_text("/data",$parser,$style);
1.58 matthew 1567: $datatext=&Apache::run::evaluate($datatext,$safeeval,$$parstack[-1]);
1.40 matthew 1568: # Deal with cases where we're given an array...
1569: if ($datatext =~ /^\@/) {
1570: $datatext = &Apache::run::run('return "'.$datatext.'"',
1571: $safeeval,1);
1572: }
1.49 matthew 1573: $datatext =~ s/\s+/ /g;
1.17 matthew 1574: # Need to do some error checking on the @data array -
1575: # make sure it's all numbers and make sure each array
1576: # is of the same length.
1577: my @data;
1.35 matthew 1578: if ($datatext =~ /,/) { # comma deliminated
1.17 matthew 1579: @data = split /,/,$datatext;
1.95 www 1580: } else { # Assume it's space separated.
1.17 matthew 1581: @data = split / /,$datatext;
1582: }
1583: for (my $i=0;$i<=$#data;$i++) {
1584: # Check that it's non-empty
1.19 matthew 1585: if (! defined($data[$i])) {
1586: &Apache::lonxml::warning(
1.85 matthew 1587: 'undefined curve data value. Replacing with '.
1.19 matthew 1588: ' pi/e = 1.15572734979092');
1589: $data[$i] = 1.15572734979092;
1590: }
1.17 matthew 1591: # Check that it's a number
1.19 matthew 1592: if (! &$real_test($data[$i]) & ! &$int_test($data[$i])) {
1593: &Apache::lonxml::warning(
1.85 matthew 1594: 'Bad curve data value of '.$data[$i].' Replacing with '.
1.19 matthew 1595: ' pi/e = 1.15572734979092');
1596: $data[$i] = 1.15572734979092;
1597: }
1.17 matthew 1598: }
1.35 matthew 1599: # complain if the number of data points is not the same as
1600: # in previous sets of data.
1.150 raeburn 1601: if (($curves[-1]->{'data'}) && ($#data != $#{$curves[-1]->{'data'}->[0]})){
1.35 matthew 1602: &Apache::lonxml::warning
1603: ('Number of data points is not consistent with previous '.
1604: 'number of data points');
1605: }
1.17 matthew 1606: push @{$curves[-1]->{'data'}},\@data;
1.20 matthew 1607: } elsif ($target eq 'edit') {
1.37 matthew 1608: $result .= &Apache::edit::tag_start($target,$token,'Comma or space deliminated curve data');
1.112 albertel 1609: my $text = &Apache::lonxml::get_all_text("/data",$parser,$style);
1.116 albertel 1610: $result .= &Apache::edit::editline('',$text,'',60);
1.20 matthew 1611: } elsif ($target eq 'modified') {
1.42 matthew 1612: $result.=&Apache::edit::rebuild_tag($token);
1.93 albertel 1613: $result.=&Apache::edit::modifiedfield("/data",$parser);
1.4 matthew 1614: }
1.1 matthew 1615: return $result;
1616: }
1617:
1618: sub end_data {
1619: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1620: my $result = '';
1.51 matthew 1621: if ($target eq 'web' || $target eq 'tex') {
1.20 matthew 1622: } elsif ($target eq 'edit') {
1.26 matthew 1623: $result .= &Apache::edit::end_table();
1.4 matthew 1624: }
1.1 matthew 1625: return $result;
1626: }
1627:
1628: ##------------------------------------------------------------------- axis
1629: sub start_axis {
1630: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1631: my $result='';
1.51 matthew 1632: if ($target eq 'web' || $target eq 'tex') {
1.17 matthew 1633: &get_attributes(\%axis,\%axis_defaults,$parstack,$safeeval,
1634: $tagstack->[-1]);
1.20 matthew 1635: } elsif ($target eq 'edit') {
1.25 matthew 1636: $result .= &Apache::edit::tag_start($target,$token,'Plot Axes');
1.65 matthew 1637: $result .= &edit_attributes($target,$token,\%axis_defaults,
1638: \@axis_edit_order);
1.20 matthew 1639: } elsif ($target eq 'modified') {
1.29 matthew 1640: my $constructtag=&Apache::edit::get_new_args
1641: ($token,$parstack,$safeeval,keys(%axis_defaults));
1.155 foxr 1642:
1.29 matthew 1643: if ($constructtag) {
1.155 foxr 1644: #
1645: # Fix up the color attribute since jchooser does not
1646: # prepend an x to the color:
1647: #
1648: my $value = $token->[2]{'color'};
1649: if (defined $value && !($value =~ /^x/)) {
1650: $token->[2]{'color'} = 'x' . $value;
1651: }
1652:
1.29 matthew 1653: $result = &Apache::edit::rebuild_tag($token);
1654: }
1.4 matthew 1655: }
1.1 matthew 1656: return $result;
1657: }
1658:
1659: sub end_axis {
1660: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1661: my $result = '';
1.51 matthew 1662: if ($target eq 'web' || $target eq 'tex') {
1.20 matthew 1663: } elsif ($target eq 'edit') {
1.21 matthew 1664: $result.=&Apache::edit::tag_end($target,$token);
1.20 matthew 1665: } elsif ($target eq 'modified') {
1.4 matthew 1666: }
1.1 matthew 1667: return $result;
1668: }
1669:
1.21 matthew 1670: ###################################################################
1671: ## ##
1672: ## Utility Functions ##
1673: ## ##
1674: ###################################################################
1675:
1.13 matthew 1676: ##----------------------------------------------------------- set_defaults
1677: sub set_defaults {
1.21 matthew 1678: my ($var,$defaults) = @_;
1.13 matthew 1679: my $key;
1.24 matthew 1680: foreach $key (keys(%$defaults)) {
1.13 matthew 1681: $var->{$key} = $defaults->{$key}->{'default'};
1682: }
1683: }
1684:
1.1 matthew 1685: ##------------------------------------------------------------------- misc
1.2 matthew 1686: sub get_attributes{
1.21 matthew 1687: my ($values,$defaults,$parstack,$safeeval,$tag) = @_;
1.24 matthew 1688: foreach my $attr (keys(%{$defaults})) {
1.92 matthew 1689: if ($attr eq 'texwidth' || $attr eq 'texfont') {
1.86 albertel 1690: $values->{$attr} =
1691: &Apache::lonxml::get_param($attr,$parstack,$safeeval,undef,1);
1692: } else {
1693: $values->{$attr} =
1694: &Apache::lonxml::get_param($attr,$parstack,$safeeval);
1695: }
1.10 matthew 1696: if ($values->{$attr} eq '' | !defined($values->{$attr})) {
1.11 matthew 1697: $values->{$attr} = $defaults->{$attr}->{'default'};
1.6 matthew 1698: next;
1699: }
1.10 matthew 1700: my $test = $defaults->{$attr}->{'test'};
1701: if (! &$test($values->{$attr})) {
1.6 matthew 1702: &Apache::lonxml::warning
1703: ($tag.':'.$attr.': Bad value.'.'Replacing your value with : '
1.11 matthew 1704: .$defaults->{$attr}->{'default'} );
1705: $values->{$attr} = $defaults->{$attr}->{'default'};
1.10 matthew 1706: }
1.2 matthew 1707: }
1.11 matthew 1708: return ;
1.6 matthew 1709: }
1.162 foxr 1710: ##
1711: # Generate tic mark specifications.
1712: #
1713: # @param type - type of tics (xtics or ytics).
1714: # @param spec - Reference to a hash that contains the tic specification.
1715: # @param target - 'tex' if hard copy target.
1716: #
1717: # @return string - the tic specification command.
1718: #
1719: sub generate_tics {
1720: my ($type, $spec, $target) = @_;
1721: my $result = '';
1722:
1723:
1.173 raeburn 1724: if ((ref($spec) eq 'HASH') && (keys(%{$spec}) > 0)) {
1.162 foxr 1725:
1.163 foxr 1726:
1.162 foxr 1727:
1.163 foxr 1728: # Major tics: - If there are 'ticspecs' these override any other
1729: # specifications:
1.162 foxr 1730:
1.163 foxr 1731:
1732:
1.162 foxr 1733: $result .= "set $type $spec->{'location'} ";
1734: $result .= ($spec->{'mirror'} eq 'on') ? 'mirror ' : 'nomirror ';
1.164 foxr 1735: if ($spec->{'rotate'} eq 'on') {
1736: $result .= ' rotate ';
1737: }
1.163 foxr 1738: if (defined $spec->{'ticspecs'}) {
1739: $result .= '( ';
1740: my @ticspecs;
1741: my $ticinfo = $spec->{'ticspecs'};
1742: foreach my $tic (@$ticinfo) {
1743: push(@ticspecs, '"' . $tic->{'label'} . '" ' . $tic->{'pos'} );
1744: }
1745: $result .= join(', ', (@ticspecs));
1746: $result .= ' )';
1747: } else {
1748: $result .= "$spec->{'start'}, ";
1749: $result .= "$spec->{'increment'}, ";
1750: $result .= "$spec->{'end'} ";
1751: }
1.162 foxr 1752: if ($target eq 'tex' ) {
1753: $result .= 'font "Helvetica,22"';
1754: }
1755: $result .= "\n";
1.163 foxr 1756:
1.162 foxr 1757: # minor frequency:
1.163 foxr 1758:
1.162 foxr 1759: if ($spec->{'minorfreq'} != 0) {
1760: $result .= "set m$type $spec->{'minorfreq'}\n";
1761: }
1.171 raeburn 1762: } elsif ($target eq 'tex' ) {
1.162 foxr 1763: $result .= "set $type font " . '"Helvetica,22"' ."\n";
1764: }
1.163 foxr 1765:
1766:
1.162 foxr 1767: return $result;
1768: }
1.40 matthew 1769:
1.15 matthew 1770: ##------------------------------------------------------- write_gnuplot_file
1.6 matthew 1771: sub write_gnuplot_file {
1.51 matthew 1772: my ($tmpdir,$filename,$target)= @_;
1.124 albertel 1773: my ($fontsize, $font_properties) = &get_font($target);
1.6 matthew 1774: my $gnuplot_input = '';
1.10 matthew 1775: my $curve;
1.100 matthew 1776: #
1777: # Check to be sure we do not have any empty curves
1778: my @curvescopy;
1779: foreach my $curve (@curves) {
1780: if (exists($curve->{'function'})) {
1781: if ($curve->{'function'} !~ /^\s*$/) {
1782: push(@curvescopy,$curve);
1783: }
1784: } elsif (exists($curve->{'data'})) {
1785: foreach my $data (@{$curve->{'data'}}) {
1786: if (scalar(@$data) > 0) {
1787: push(@curvescopy,$curve);
1788: last;
1789: }
1790: }
1791: }
1792: }
1793: @curves = @curvescopy;
1.6 matthew 1794: # Collect all the colors
1795: my @Colors;
1.107 foxr 1796: push @Colors, $Apache::lonplot::plot{'bgcolor'};
1797: push @Colors, $Apache::lonplot::plot{'fgcolor'};
1798: push @Colors, (defined($axis{'color'})?$axis{'color'}:$Apache::lonplot::plot{'fgcolor'});
1.9 matthew 1799: foreach $curve (@curves) {
1800: push @Colors, ($curve->{'color'} ne '' ?
1801: $curve->{'color'} :
1.107 foxr 1802: $Apache::lonplot::plot{'fgcolor'} );
1.6 matthew 1803: }
1.155 foxr 1804:
1.6 matthew 1805: # set term
1.51 matthew 1806: if ($target eq 'web') {
1.120 albertel 1807: $gnuplot_input .= 'set terminal png enhanced nocrop ';
1.107 foxr 1808: $gnuplot_input .= 'transparent ' if ($Apache::lonplot::plot{'transparent'} eq 'on');
1.120 albertel 1809: $gnuplot_input .= 'font "'.$Apache::lonnet::perlvar{'lonFontsDir'}.
1810: '/'.$font_properties->{'file'}.'.ttf" ';
1811: $gnuplot_input .= $fontsize;
1812: $gnuplot_input .= ' size '.$Apache::lonplot::plot{'width'}.','.$Apache::lonplot::plot{'height'}.' ';
1.51 matthew 1813: $gnuplot_input .= "@Colors\n";
1814: # set output
1815: $gnuplot_input .= "set output\n";
1816: } elsif ($target eq 'tex') {
1.156 foxr 1817: $gnuplot_input .= "set term postscript eps enhanced $Apache::lonplot::plot{'plotcolor'} dash ";
1.121 albertel 1818: if (!$font_properties->{'tex_no_file'}) {
1819: $gnuplot_input .=
1820: 'fontfile "'.$Apache::lonnet::perlvar{'lonFontsDir'}.
1821: '/'.$font_properties->{'file'}.'.pfb" ';
1822: }
1.120 albertel 1823: $gnuplot_input .= ' "'.$font_properties->{'printname'}.'" ';
1824: $gnuplot_input .= $fontsize;
1.153 foxr 1825: $gnuplot_input .= "\nset output \"".$tmpdir.
1.113 www 1826: &unescape($filename).".eps\"\n";
1.143 foxr 1827: $gnuplot_input .= "set encoding iso_8859_1\n"; # Get access to extended font.
1828:
1.87 matthew 1829: }
1.159 foxr 1830: $gnuplot_input .= "set encoding utf8\n";
1.115 albertel 1831: # cartesian or polar plot?
1.107 foxr 1832: if (lc($Apache::lonplot::plot{'plottype'}) eq 'polar') {
1.87 matthew 1833: $gnuplot_input .= 'set polar'.$/;
1834: } else {
1835: # Assume Cartesian
1.51 matthew 1836: }
1.115 albertel 1837: # cartesian or polar grid?
1838: if (lc($Apache::lonplot::plot{'gridtype'}) eq 'polar') {
1839: $gnuplot_input .= 'set grid polar'.$/;
1.118 albertel 1840: } elsif (lc($Apache::lonplot::plot{'gridtype'}) eq 'linear-log') {
1841: $gnuplot_input .= 'set logscale x'.$/;
1842: } elsif (lc($Apache::lonplot::plot{'gridtype'}) eq 'log-linear') {
1843: $gnuplot_input .= 'set logscale y'.$/;
1844: } elsif (lc($Apache::lonplot::plot{'gridtype'}) eq 'log-log') {
1845: $gnuplot_input .= 'set logscale x'.$/;
1846: $gnuplot_input .= 'set logscale y'.$/;
1.115 albertel 1847: } else {
1848: # Assume Cartesian
1849: }
1.110 albertel 1850: # solid or pattern for boxes?
1851: if (lc($Apache::lonplot::plot{'fillstyle'}) eq 'solid') {
1852: $gnuplot_input .= 'set style fill solid '.
1853: $Apache::lonplot::plot{'solid'}.$Apache::lonplot::plot{'box_border'}.$/;
1854: } elsif (lc($Apache::lonplot::plot{'fillstyle'}) eq 'pattern') {
1855: $gnuplot_input .= 'set style fill pattern '.$Apache::lonplot::plot{'pattern'}.$Apache::lonplot::plot{'box_border'}.$/;
1856: } elsif (lc($Apache::lonplot::plot{'fillstyle'}) eq 'empty') {
1857: }
1.101 matthew 1858: # margin
1.107 foxr 1859: if (lc($Apache::lonplot::plot{'lmargin'}) ne 'default') {
1860: $gnuplot_input .= 'set lmargin '.$Apache::lonplot::plot{'lmargin'}.$/;
1.101 matthew 1861: }
1.107 foxr 1862: if (lc($Apache::lonplot::plot{'rmargin'}) ne 'default') {
1863: $gnuplot_input .= 'set rmargin '.$Apache::lonplot::plot{'rmargin'}.$/;
1.101 matthew 1864: }
1.107 foxr 1865: if (lc($Apache::lonplot::plot{'tmargin'}) ne 'default') {
1866: $gnuplot_input .= 'set tmargin '.$Apache::lonplot::plot{'tmargin'}.$/;
1.101 matthew 1867: }
1.107 foxr 1868: if (lc($Apache::lonplot::plot{'bmargin'}) ne 'default') {
1869: $gnuplot_input .= 'set bmargin '.$Apache::lonplot::plot{'bmargin'}.$/;
1.101 matthew 1870: }
1.129 albertel 1871:
1.101 matthew 1872: # tic scales
1.129 albertel 1873: if ($version > 4) {
1874: $gnuplot_input .= 'set tics scale '.
1875: $Apache::lonplot::plot{'major_ticscale'}.', '.$Apache::lonplot::plot{'minor_ticscale'}.$/;
1876: } else {
1877: $gnuplot_input .= 'set ticscale '.
1878: $Apache::lonplot::plot{'major_ticscale'}.' '.$Apache::lonplot::plot{'minor_ticscale'}.$/;
1879: }
1.110 albertel 1880: #boxwidth
1881: if (lc($Apache::lonplot::plot{'boxwidth'}) ne '') {
1882: $gnuplot_input .= 'set boxwidth '.$Apache::lonplot::plot{'boxwidth'}.$/;
1883: }
1884: # gridlayer
1885: $gnuplot_input .= 'set grid noxtics noytics front '.$/
1886: if ($Apache::lonplot::plot{'gridlayer'} eq 'on');
1887:
1.7 matthew 1888: # grid
1.107 foxr 1889: $gnuplot_input .= 'set grid'.$/ if ($Apache::lonplot::plot{'grid'} eq 'on');
1.7 matthew 1890: # border
1.107 foxr 1891: $gnuplot_input .= ($Apache::lonplot::plot{'border'} eq 'on'?
1.9 matthew 1892: 'set border'.$/ :
1.67 matthew 1893: 'set noborder'.$/ );
1.77 matthew 1894: # sampling rate for non-data curves
1.107 foxr 1895: $gnuplot_input .= "set samples $Apache::lonplot::plot{'samples'}\n";
1.67 matthew 1896: # title, xlabel, ylabel
1.45 matthew 1897: # titles
1.169 raeburn 1898: my $extra_space_x = ($xtics{'location'} eq 'axis') ? ' offset 0, -0.5 ' : '';
1899: my $extra_space_y = ($ytics{'location'} eq 'axis') ? ' offset -0.5, 0 ' : '';
1.125 albertel 1900:
1.89 matthew 1901: if ($target eq 'tex') {
1.125 albertel 1902: $gnuplot_input .= "set title \"$title\" font \"".$font_properties->{'printname'}.",".$fontsize."pt\"\n" if (defined($title)) ;
1903: $gnuplot_input .= "set xlabel \"$xlabel\" $extra_space_x font \"".$font_properties->{'printname'}.",".$fontsize."pt\"\n" if (defined($xlabel));
1904: $gnuplot_input .= "set ylabel \"$ylabel\" $extra_space_y font \"".$font_properties->{'printname'}.",".$fontsize."pt\"\n" if (defined($ylabel));
1.89 matthew 1905: } else {
1.125 albertel 1906: $gnuplot_input .= "set title \"$title\" \n" if (defined($title)) ;
1907: $gnuplot_input .= "set xlabel \"$xlabel\" $extra_space_x \n" if (defined($xlabel));
1908: $gnuplot_input .= "set ylabel \"$ylabel\" $extra_space_y \n" if (defined($ylabel));
1.89 matthew 1909: }
1.45 matthew 1910: # tics
1.162 foxr 1911: $gnuplot_input .= &generate_tics('xtics', \%xtics, $target);
1912:
1913: $gnuplot_input .= &generate_tics('ytics', \%ytics, $target);
1914:
1.45 matthew 1915: # axis
1.23 matthew 1916: if (%axis) {
1.132 albertel 1917: if ($axis{'xformat'} ne 'on') {
1918: $gnuplot_input .= "set format x ";
1919: if ($axis{'xformat'} eq 'off') {
1920: $gnuplot_input .= "\"\"\n";
1921: } else {
1922: $gnuplot_input .= "\"\%.".$axis{'xformat'}."\"\n";
1923: }
1924: }
1925: if ($axis{'yformat'} ne 'on') {
1926: $gnuplot_input .= "set format y ";
1927: if ($axis{'yformat'} eq 'off') {
1928: $gnuplot_input .= "\"\"\n";
1929: } else {
1930: $gnuplot_input .= "\"\%.".$axis{'yformat'}."\"\n";
1931: }
1932: }
1.13 matthew 1933: $gnuplot_input .= "set xrange \[$axis{'xmin'}:$axis{'xmax'}\]\n";
1934: $gnuplot_input .= "set yrange \[$axis{'ymin'}:$axis{'ymax'}\]\n";
1.152 faziophi 1935: if ($axis{'xzero'} ne 'off') {
1936: $gnuplot_input .= "set xzeroaxis ";
1937: if ($axis{'xzero'} eq 'line' || $axis{'xzero'} eq 'thick-line') {
1938: $gnuplot_input .= "lt -1 ";
1939: if ($axis{'xzero'} eq 'thick-line') {
1940: $gnuplot_input .= "lw 3 ";
1941: }
1942: }
1943: $gnuplot_input .= "\n";
1944: }
1945: if ($axis{'yzero'} ne 'off') {
1946: $gnuplot_input .= "set yzeroaxis ";
1947: if ($axis{'yzero'} eq 'line' || $axis{'yzero'} eq 'thick-line') {
1948: $gnuplot_input .= "lt -1 ";
1949: if ($axis{'yzero'} eq 'thick-line') {
1950: $gnuplot_input .= "lw 3 ";
1951: }
1952: }
1953: $gnuplot_input .= "\n";
1954: }
1.6 matthew 1955: }
1956: # Key
1.23 matthew 1957: if (%key) {
1.9 matthew 1958: $gnuplot_input .= 'set key '.$key{'pos'}.' ';
1959: if ($key{'title'} ne '') {
1.67 matthew 1960: $gnuplot_input .= 'title "'.$key{'title'}.'" ';
1.11 matthew 1961: }
1962: $gnuplot_input .= ($key{'box'} eq 'on' ? 'box ' : 'nobox ').$/;
1.6 matthew 1963: } else {
1.9 matthew 1964: $gnuplot_input .= 'set nokey'.$/;
1.13 matthew 1965: }
1.6 matthew 1966: # labels
1.10 matthew 1967: my $label;
1.6 matthew 1968: foreach $label (@labels) {
1969: $gnuplot_input .= 'set label "'.$label->{'text'}.'" at '.
1.134 raeburn 1970: $label->{'xpos'}.','.$label->{'ypos'};
1971: if ($label->{'rotate'} ne '') {
1972: $gnuplot_input .= ' rotate by '.$label->{'rotate'};
1973: }
1974: $gnuplot_input .= ' '.$label->{'justify'};
1975:
1.103 matthew 1976: if ($target eq 'tex') {
1.175 ! raeburn 1977: $gnuplot_input .=' font "'.$font_properties->{'printname'}.','.$fontsize.'pt"';
! 1978: }
! 1979: if (($label->{'zlayer'} eq 'front') || ($label->{'zlayer'} eq 'back')) {
! 1980: $gnuplot_input .= ' '.$label->{'zlayer'};
1.103 matthew 1981: }
1982: $gnuplot_input .= $/;
1.6 matthew 1983: }
1.74 matthew 1984: if ($target eq 'tex') {
1.107 foxr 1985: $gnuplot_input .="set size 1,".$Apache::lonplot::plot{'height'}/$Apache::lonplot::plot{'width'}*1.38;
1.74 matthew 1986: $gnuplot_input .="\n";
1.120 albertel 1987: }
1.6 matthew 1988: # curves
1.156 foxr 1989: #
1990: # Each curve will have its very own linestyle.
1991: # (This should work just fine in web rendition I think).
1992: # The line_xxx variables will hold the elements of the line style.
1993: # type (solid/dashed), color, width
1994: #
1995: my $linestyle_index = 50;
1996: my $line_width = '';
1.172 raeburn 1997: my $plots = '';
1.156 foxr 1998:
1.160 foxr 1999: # If arrows are needed there will be an arrow style for each as well:
2000: #
2001:
2002: my $arrow_style_index = 50;
2003:
1.9 matthew 2004: for (my $i = 0;$i<=$#curves;$i++) {
2005: $curve = $curves[$i];
1.172 raeburn 2006: my $plot_command = '';
2007: my $plot_type = '';
2008: if ($i > 0) {
2009: $plot_type = ', ';
2010: }
1.119 albertel 2011: if ($target eq 'tex') {
2012: $curve->{'linewidth'} *= 2;
2013: }
1.157 foxr 2014: $line_width = $curve->{'linewidth'};
1.6 matthew 2015: if (exists($curve->{'function'})) {
1.170 raeburn 2016: $plot_type .=
1.9 matthew 2017: $curve->{'function'}.' title "'.
2018: $curve->{'name'}.'" with '.
1.72 matthew 2019: $curve->{'linestyle'};
1.6 matthew 2020: } elsif (exists($curve->{'data'})) {
1.40 matthew 2021: # Store data values in $datatext
2022: my $datatext = '';
2023: # get new filename
1.70 matthew 2024: my $datafilename = "$tmpdir/$filename.data.$i";
1.40 matthew 2025: my $fh=Apache::File->new(">$datafilename");
2026: # Compile data
1.6 matthew 2027: my @Data = @{$curve->{'data'}};
1.9 matthew 2028: my @Data0 = @{$Data[0]};
2029: for (my $i =0; $i<=$#Data0; $i++) {
1.10 matthew 2030: my $dataset;
1.6 matthew 2031: foreach $dataset (@Data) {
1.9 matthew 2032: $datatext .= $dataset->[$i] . ' ';
1.6 matthew 2033: }
1.9 matthew 2034: $datatext .= $/;
1.6 matthew 2035: }
1.40 matthew 2036: # write file
2037: print $fh $datatext;
1.119 albertel 2038: close($fh);
1.40 matthew 2039: # generate gnuplot text
1.170 raeburn 2040: $plot_type .= '"'.$datafilename.'" title "'.
1.40 matthew 2041: $curve->{'name'}.'" with '.
2042: $curve->{'linestyle'};
1.6 matthew 2043: }
1.157 foxr 2044: my $pointtype = '';
2045: my $pointsize = '';
2046:
1.160 foxr 2047: # Figure out the linestyle:
2048:
2049: my $lt = $curve->{'linetype'} ne '' ? $curve->{'linetype'}
2050: : 'solid'; # Line type defaults to solid.
2051: # The mapping of lt -> the actual gnuplot line type depends on the target:
2052:
2053: if ($target eq 'tex') {
2054: $lt = $ps_linetypes{$lt};
2055: } else {
2056: $lt = $linetypes{$lt}
2057: }
2058:
2059: my $color = $curve->{'color'};
2060: $color =~ s/^x/#/; # Convert xhex color -> #hex color.
2061:
2062:
1.156 foxr 2063: if (($curve->{'linestyle'} eq 'points') ||
2064: ($curve->{'linestyle'} eq 'linespoints') ||
2065: ($curve->{'linestyle'} eq 'errorbars') ||
2066: ($curve->{'linestyle'} eq 'xerrorbars') ||
2067: ($curve->{'linestyle'} eq 'yerrorbars') ||
2068: ($curve->{'linestyle'} eq 'xyerrorbars')) {
1.157 foxr 2069:
2070: $pointtype =' pointtype '.$curve->{'pointtype'};
2071: $pointsize =' pointsize '.$curve->{'pointsize'};
1.156 foxr 2072: } elsif ($curve->{'linestyle'} eq 'filledcurves') {
2073: $plot_command.= ' '.$curve->{'limit'};
1.160 foxr 2074: } elsif ($curve->{'linestyle'} eq 'vector') {
1.157 foxr 2075:
1.160 foxr 2076: # Create the arrow head style add it to
2077: # $gnuplot_input..and ensure it gets
2078: # Selected in the plot command.
1.157 foxr 2079:
1.160 foxr 2080: $gnuplot_input .= "set style arrow $arrow_style_index ";
2081: $gnuplot_input .= ' ' . $curve->{'arrowhead'};
2082: $gnuplot_input .= ' size ' . $curve->{'arrowlength'};
2083: $gnuplot_input .= ','.$curve->{'arrowangle'};
2084: $gnuplot_input .= ',' . $curve->{'arrowbackangle'};
2085: $gnuplot_input .= ' ' . $curve->{'arrowstyle'} . " ls $linestyle_index\n";
1.157 foxr 2086:
2087:
1.160 foxr 2088: $plot_command .= " arrowstyle $arrow_style_index ";
2089: $arrow_style_index++;
1.156 foxr 2090: }
1.157 foxr 2091:
1.170 raeburn 2092: my $style_command = "set style line $linestyle_index $pointtype $pointsize linetype $lt linewidth $line_width lc rgb '$color'\n";
2093: $gnuplot_input .= $style_command;
1.160 foxr 2094:
2095: # The condition below is because gnuplot lumps the linestyle in with the
2096: # arrowstyle _sigh_.
2097:
2098: if ($curve->{'linestyle'} ne 'vector') {
2099: $plot_command.= " ls $linestyle_index";
2100: }
2101:
1.170 raeburn 2102: $plots .= $plot_type . ' ' . $plot_command;
1.157 foxr 2103: $linestyle_index++; # Each curve get a unique linestyle.
1.6 matthew 2104: }
1.170 raeburn 2105: $gnuplot_input .= 'plot '.$plots;
1.40 matthew 2106: # Write the output to a file.
1.164 foxr 2107:
1.165 foxr 2108: # &Apache::lonnet::logthis($gnuplot_input); # uncomment to log the gnuplot input.
1.161 foxr 2109: open (my $fh, "> $tmpdir$filename.data");
2110: binmode($fh, ':utf8');
1.40 matthew 2111: print $fh $gnuplot_input;
2112: close($fh);
2113: # That's all folks.
2114: return ;
1.2 matthew 2115: }
1.21 matthew 2116:
2117: #---------------------------------------------- check_inputs
2118: sub check_inputs {
2119: ## Note: no inputs, no outputs - this acts only on global variables.
2120: ## Make sure we have all the input we need:
1.107 foxr 2121: if (! %Apache::lonplot::plot) { &set_defaults(\%Apache::lonplot::plot,\%gnuplot_defaults); }
1.23 matthew 2122: if (! %key ) {} # No key for this plot, thats okay
1.34 matthew 2123: # if (! %axis) { &set_defaults(\%axis,\%axis_defaults); }
1.21 matthew 2124: if (! defined($title )) {} # No title for this plot, thats okay
2125: if (! defined($xlabel)) {} # No xlabel for this plot, thats okay
2126: if (! defined($ylabel)) {} # No ylabel for this plot, thats okay
2127: if ($#labels < 0) { } # No labels for this plot, thats okay
2128: if ($#curves < 0) {
2129: &Apache::lonxml::warning("No curves specified for plot!!!!");
2130: return '';
2131: }
2132: my $curve;
2133: foreach $curve (@curves) {
2134: if (!defined($curve->{'function'})&&!defined($curve->{'data'})){
1.85 matthew 2135: &Apache::lonxml::warning("One of the curves specified did not contain any curve data or curve function declarations\n");
1.21 matthew 2136: return '';
2137: }
2138: }
2139: }
2140:
1.20 matthew 2141: #------------------------------------------------ make_edit
2142: sub edit_attributes {
1.34 matthew 2143: my ($target,$token,$defaults,$keys) = @_;
2144: my ($result,@keys);
2145: if ($keys && ref($keys) eq 'ARRAY') {
2146: @keys = @$keys;
2147: } else {
2148: @keys = sort(keys(%$defaults));
2149: }
2150: foreach my $attr (@keys) {
1.35 matthew 2151: # append a ' ' to the description if it doesn't have one already.
2152: my $description = $defaults->{$attr}->{'description'};
2153: $description .= ' ' if ($description !~ / $/);
1.20 matthew 2154: if ($defaults->{$attr}->{'edit_type'} eq 'entry') {
1.35 matthew 2155: $result .= &Apache::edit::text_arg
1.38 matthew 2156: ($description,$attr,$token,
1.154 foxr 2157: $defaults->{$attr}->{'size'},
2158: $defaults->{$attr}->{'class'});
1.20 matthew 2159: } elsif ($defaults->{$attr}->{'edit_type'} eq 'choice') {
1.102 albertel 2160: $result .= &Apache::edit::select_or_text_arg
1.35 matthew 2161: ($description,$attr,$defaults->{$attr}->{'choices'},$token);
1.45 matthew 2162: } elsif ($defaults->{$attr}->{'edit_type'} eq 'onoff') {
1.102 albertel 2163: $result .= &Apache::edit::select_or_text_arg
1.35 matthew 2164: ($description,$attr,['on','off'],$token);
1.20 matthew 2165: }
1.25 matthew 2166: $result .= '<br />';
1.20 matthew 2167: }
2168: return $result;
2169: }
1.1 matthew 2170:
1.21 matthew 2171:
2172: ###################################################################
2173: ## ##
2174: ## Insertion functions for editing plots ##
2175: ## ##
2176: ###################################################################
2177:
1.47 matthew 2178: sub insert_gnuplot {
1.29 matthew 2179: my $result = '';
1.20 matthew 2180: # plot attributes
1.61 matthew 2181: $result .= "\n<gnuplot ";
1.47 matthew 2182: foreach my $attr (keys(%gnuplot_defaults)) {
1.61 matthew 2183: $result .= "\n $attr=\"$gnuplot_defaults{$attr}->{'default'}\"";
1.20 matthew 2184: }
1.61 matthew 2185: $result .= ">";
1.47 matthew 2186: # Add the components (most are commented out for simplicity)
1.44 matthew 2187: # $result .= &insert_key();
2188: # $result .= &insert_axis();
2189: # $result .= &insert_title();
2190: # $result .= &insert_xlabel();
2191: # $result .= &insert_ylabel();
1.20 matthew 2192: $result .= &insert_curve();
1.50 matthew 2193: # close up the <gnuplot>
1.61 matthew 2194: $result .= "\n</gnuplot>";
1.45 matthew 2195: return $result;
2196: }
2197:
1.46 matthew 2198: sub insert_tics {
2199: my $result;
2200: $result .= &insert_xtics() . &insert_ytics;
2201: return $result;
2202: }
2203:
1.45 matthew 2204: sub insert_xtics {
2205: my $result;
1.46 matthew 2206: $result .= "\n <xtics ";
1.45 matthew 2207: foreach my $attr (keys(%tic_defaults)) {
1.61 matthew 2208: $result .= "\n $attr=\"$tic_defaults{$attr}->{'default'}\" ";
1.45 matthew 2209: }
1.61 matthew 2210: $result .= "/>";
1.45 matthew 2211: return $result;
2212: }
2213:
2214: sub insert_ytics {
2215: my $result;
1.46 matthew 2216: $result .= "\n <ytics ";
1.45 matthew 2217: foreach my $attr (keys(%tic_defaults)) {
1.61 matthew 2218: $result .= "\n $attr=\"$tic_defaults{$attr}->{'default'}\" ";
1.45 matthew 2219: }
1.61 matthew 2220: $result .= "/>";
1.20 matthew 2221: return $result;
2222: }
2223:
2224: sub insert_key {
2225: my $result;
1.61 matthew 2226: $result .= "\n <key ";
1.30 matthew 2227: foreach my $attr (keys(%key_defaults)) {
1.61 matthew 2228: $result .= "\n $attr=\"$key_defaults{$attr}->{'default'}\"";
1.20 matthew 2229: }
1.61 matthew 2230: $result .= " />";
1.20 matthew 2231: return $result;
2232: }
2233:
2234: sub insert_axis{
2235: my $result;
1.46 matthew 2236: $result .= "\n <axis ";
1.30 matthew 2237: foreach my $attr (keys(%axis_defaults)) {
1.61 matthew 2238: $result .= "\n $attr=\"$axis_defaults{$attr}->{'default'}\"";
1.20 matthew 2239: }
1.61 matthew 2240: $result .= " />";
1.20 matthew 2241: return $result;
2242: }
1.28 matthew 2243:
1.61 matthew 2244: sub insert_title { return "\n <title></title>"; }
2245: sub insert_xlabel { return "\n <xlabel></xlabel>"; }
2246: sub insert_ylabel { return "\n <ylabel></ylabel>"; }
1.20 matthew 2247:
2248: sub insert_label {
2249: my $result;
1.46 matthew 2250: $result .= "\n <label ";
1.30 matthew 2251: foreach my $attr (keys(%label_defaults)) {
1.61 matthew 2252: $result .= "\n $attr=\"".
2253: $label_defaults{$attr}->{'default'}."\"";
1.20 matthew 2254: }
1.61 matthew 2255: $result .= "></label>";
1.20 matthew 2256: return $result;
2257: }
2258:
2259: sub insert_curve {
2260: my $result;
1.41 matthew 2261: $result .= "\n <curve ";
1.30 matthew 2262: foreach my $attr (keys(%curve_defaults)) {
1.61 matthew 2263: $result .= "\n $attr=\"".
2264: $curve_defaults{$attr}->{'default'}."\"";
1.20 matthew 2265: }
1.61 matthew 2266: $result .= " >";
2267: $result .= &insert_data().&insert_data()."\n </curve>";
1.20 matthew 2268: }
1.4 matthew 2269:
1.20 matthew 2270: sub insert_function {
2271: my $result;
1.61 matthew 2272: $result .= "\n <function></function>";
1.20 matthew 2273: return $result;
2274: }
1.4 matthew 2275:
1.20 matthew 2276: sub insert_data {
2277: my $result;
1.61 matthew 2278: $result .= "\n <data></data>";
1.20 matthew 2279: return $result;
2280: }
1.4 matthew 2281:
1.48 matthew 2282: ##----------------------------------------------------------------------
1.20 matthew 2283: 1;
2284: __END__
1.4 matthew 2285:
2286:
1.149 jms 2287: =head1 NAME
2288:
2289: Apache::lonplot.pm
2290:
2291: =head1 SYNOPSIS
2292:
2293: XML-based plotter of graphs
2294:
2295: This is part of the LearningOnline Network with CAPA project
2296: described at http://www.lon-capa.org.
2297:
2298:
2299: =head1 SUBROUTINES (parsing and edit rendering)
2300:
2301: =over
2302:
2303: =item start_gnuplot()
2304:
2305: =item end_gnuplot()
2306:
2307: =item start_xtics()
2308:
2309: =item end_xtics()
2310:
2311: =item start_ytics()
2312:
2313: =item end_ytics()
2314:
2315: =item get_font()
2316:
2317: =item start_key()
2318:
2319: =item end_key()
2320:
2321: =item parse_label()
2322:
2323: =item replace_entities()
2324:
2325: =item start_title()
2326:
2327: =item end_title()
2328:
2329: =item start_xlabel()
2330:
2331: =item end_xlabel()
2332:
2333: =item start_ylabel()
2334:
2335: =item end_label()
2336:
2337: =item start_curve()
2338:
2339: =item end_curve()
2340:
2341: =item start_function()
2342:
2343: =item end_function()
2344:
2345: =item start_data()
2346:
2347: =item end_data()
2348:
2349: =item start_axis()
2350:
2351: =item end_axis
2352:
2353: =back
2354:
2355: =head1 SUBROUTINES (Utility)
2356:
2357: =over
2358:
2359: =item set_defaults()
2360:
2361: =item get_attributes()
2362:
2363: =item write_gnuplot_file()
2364:
2365: =item check_inputs()
2366:
2367: =item edit_attributes()
2368:
2369: =back
2370:
2371: =head1 SUBROUTINES (Insertion functions for editing plots)
2372:
2373: =over
2374:
2375: =item insert_gnuplot()
2376:
2377: =item insert_tics()
2378:
2379: =item insert_xtics()
2380:
2381: =item insert_key()
2382:
2383: =item insert_axis()
2384:
2385: =item insert_title()
2386:
2387: =item insert_xlabel()
2388:
2389: =item insert_ylabel()
2390:
2391: =item insert_label()
2392:
2393: =item insert_curve()
2394:
2395: =item insert_function()
2396:
2397: =item insert_data()
2398:
2399: =back
2400:
2401: =cut
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