version 1.57, 2011/03/31 16:10:07
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version 1.82, 2011/11/21 20:20:48
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Line 1
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Line 1
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# LearningOnline Network with CAPA |
# LearningOnline Network with CAPA |
# option list style responses |
# Functionplot responses |
# |
# |
# $Id$ |
# $Id$ |
# |
# |
Line 31 use strict;
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Line 31 use strict;
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use Apache::response(); |
use Apache::response(); |
use Apache::lonlocal; |
use Apache::lonlocal; |
use Apache::lonnet; |
use Apache::lonnet; |
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use Apache::run; |
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BEGIN { |
BEGIN { |
&Apache::lonxml::register('Apache::functionplotresponse',('functionplotresponse','backgroundplot','spline', |
&Apache::lonxml::register('Apache::functionplotresponse',('functionplotresponse','backgroundplot','spline', |
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'plotobject','plotvector','functionplotvectorrule','functionplotvectorsumrule', |
'functionplotrule','functionplotruleset', |
'functionplotrule','functionplotruleset', |
'functionplotelements')); |
'functionplotelements')); |
} |
} |
Line 74 sub geogebra_default_parameters {
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Line 76 sub geogebra_default_parameters {
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<param name="image" value="/adm/lonIcons/lonanim.gif" /> |
<param name="image" value="/adm/lonIcons/lonanim.gif" /> |
<param name="boxborder" value="false" /> |
<param name="boxborder" value="false" /> |
<param name="centerimage" value="true" /> |
<param name="centerimage" value="true" /> |
<param name="cache_archive" value="geogebra.jar, geogebra_main.jar, geogebra_gui.jar, geogebra_cas.jar, geogebra_algos.jar, geogebra_export.jar, geogebra_javascript.jar, jlatexmath.jar, jlm_greek.jar, jlm_cyrillic.jar, geogebra_properties.jar" /> |
<param name="cache_archive" value="geogebra.jar, geogebra_main.jar, geogebra_gui.jar, geogebra_cas.jar, geogebra_export.jar, geogebra_algos.jar, geogebra_javascript.jar, geogebra_properties.jar, jlatexmath.jar, jlm_cyrillic.jar, jlm_greek.jar" /> |
<param name="cache_version" value="3.9.214.0, 3.9.214.0, 3.9.214.0, 3.9.214.0, 3.9.214.0, 3.9.214.0, 3.9.214.0, 3.9.214.0, 3.9.214.0, 3.9.214.0, 3.9.214.0" /> |
<param name="cache_version" value="4.0.1.0,4.0.1.0,4.0.1.0,4.0.1.0,4.0.1.0,4.0.1.0,4.0.1.0,4.0.1.0,4.0.1.0,4.0.1.0,4.0.1.0" /> |
<param name="framePossible" value="false" /> |
<param name="framePossible" value="false" /> |
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<param name="showResetIcon" value="false" /> |
<param name="showResetIcon" value="false" /> |
Line 163 sub update_register {
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Line 165 sub update_register {
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sub set_point_coordinate { |
sub set_point_coordinate { |
my ($id,$variable,$x,$y,$fixed)=@_; |
my ($id,$variable,$x,$y,$fixed)=@_; |
my $mult=($fixed?'a*':''); |
my $mult=($fixed?'a*':''); |
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# Get rid of wild exponents, make sure it's a number |
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$x=1.*$x; |
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$y=1.*$y; |
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# GeoGebra does not understand "E" |
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$x=~s/[e|E]/\*10\^/; |
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$x=~s/\+//; |
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$y=~s/[e|E]/\*10\^/; |
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$y=~s/\+//; |
return (<<ENDSETVARIABLE); |
return (<<ENDSETVARIABLE); |
document.ggbApplet_$id.evalCommand("a=1"); |
document.ggbApplet_$id.evalCommand("a=1"); |
document.ggbApplet_$id.evalCommand("$variable=$mult($x,$y)"); |
document.ggbApplet_$id.evalCommand("$variable=$mult($x,$y)"); |
Line 333 ENDYOFFAXISLABEL
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Line 343 ENDYOFFAXISLABEL
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return $return; |
return $return; |
} |
} |
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# |
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# Subroutine to produce background and answer plots |
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# |
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sub plot_script { |
sub plot_script { |
my ($id,$function,$fixed,$label,$color,$xmin,$xmax,$thickness)=@_; |
my ($id,$function,$fixed,$label,$color,$xmin,$xmax,$thickness)=@_; |
$label=~s/\W//g; |
$label=~s/\W//g; |
Line 366 sub plot_script {
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Line 380 sub plot_script {
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} |
} |
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# |
# |
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# Subroutine to produce objects |
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# |
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sub plotobject_script { |
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my ($id,$label,$x,$y)=@_; |
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unless ($label) { |
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$Apache::functionplotresponse::counter++; |
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$label='O'.$Apache::functionplotresponse::counter; |
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} |
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&generate_input_field($id,$label,$x,$y); |
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return "document.ggbApplet_$id.evalCommand('a=1');\n". |
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"document.ggbApplet_$id.setVisible('a', false);\n". |
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"document.ggbApplet_$id.setLabelVisible('a', false);\n". |
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"document.ggbApplet_$id.evalCommand('$label=a*($x,$y)');\n". |
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"document.ggbApplet_$id.setVisible('$label', true);\n". |
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"document.ggbApplet_$id.setLabelVisible('$label', true);\n"; |
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} |
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# |
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# Subroutine to produce vectors |
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# |
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sub plotvector_script { |
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my ($id,$label,$xs,$ys,$xe,$ye,$xmin,$xmax)=@_; |
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unless ($label) { |
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$Apache::functionplotresponse::counter++; |
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$label='V'.$Apache::functionplotresponse::counter; |
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} |
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my $startlabel=$label.'Start'; |
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my $endlabel=$label.'End'; |
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my $pointlabel=$label.'Point'; |
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my $pointx=2.*($xmax-$xmin)+$xmax; |
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my $anglelabel=$label.'Angle'; |
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return |
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&new_point_coordinate($id,$startlabel,$xs,$ys,0). |
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&new_point_coordinate($id,$endlabel,$xe,$ye,0). |
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(<<ENDVECTOR); |
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document.ggbApplet_$id.evalCommand("$label=Vector[$startlabel,$endlabel]"); |
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document.ggbApplet_$id.setLabelVisible("$label",true); |
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document.ggbApplet_$id.setLineThickness("$label",8); |
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document.ggbApplet_$id.evalCommand("$pointlabel=($pointx,y($startlabel))"); |
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document.ggbApplet_$id.evalCommand("$anglelabel=Angle[$pointlabel,$startlabel,$endlabel]"); |
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document.ggbApplet_$id.setLabelVisible("$anglelabel",true); |
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document.ggbApplet_$id.setLabelStyle("$anglelabel",VALUE=2); |
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ENDVECTOR |
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} |
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# |
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# Answer spline display |
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# |
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# points: x,y,slope_x,slope_y |
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sub answer_spline_script { |
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my ($id,@points)=@_; |
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my $order=int(($#points+1)/4); |
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if ($order<2) { $order=2; } |
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if ($order>8) { $order=8; } |
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$Apache::functionplotresponse::counter++; |
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my $label='CSpline'.$Apache::functionplotresponse::counter; |
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my $output='document.ggbApplet_'.$id.'.evalCommand("'.$label.'=Spline'.$order.'['; |
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for (my $i=0;$i<=$#points;$i+=4) { |
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$output.="($points[$i],$points[$i+1]),($points[$i+2],$points[$i+3]),"; |
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} |
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$output=~s/\,$//; |
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$output.=']");'."\n"; |
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for (my $i=2; $i<2*$order; $i+=2) { |
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$output.='document.ggbApplet_'.$id.'.setColor("'.$label.'_'.($i>=10?'{':'').$i.($i>=10?'}':'').'",0,170,0);'."\n"; |
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} |
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for (my $i=1; $i<2*$order; $i+=2) { |
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$output.='document.ggbApplet_'.$id.'.setVisible("'.$label.'_'.($i>=10?'{':'').$i.($i>=10?'}':'').'",false);'."\n"; |
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} |
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return $output; |
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} |
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# |
# Subroutine that generates code for spline $label based on stored information |
# Subroutine that generates code for spline $label based on stored information |
# |
# |
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Line 390 sub generate_spline {
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Line 480 sub generate_spline {
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$result.='document.ggbApplet_'.$id.'.evalCommand("Spline'.$order.'['.join(',',@coords).']");'."\n"; |
$result.='document.ggbApplet_'.$id.'.evalCommand("Spline'.$order.'['.join(',',@coords).']");'."\n"; |
return $result; |
return $result; |
} |
} |
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# |
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# Object |
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# |
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sub start_plotobject { |
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my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
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my $result=''; |
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my $internalid = $Apache::inputtags::part.'_'.$Apache::inputtags::response[-1]; |
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my $x=&Apache::lonxml::get_param('x',$parstack,$safeeval); |
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my $y=&Apache::lonxml::get_param('y',$parstack,$safeeval); |
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my $label=&Apache::lonxml::get_param('label',$parstack,$safeeval); |
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$label=~s/\W//gs; |
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$label=ucfirst($label); |
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unless ($label) { $label="NewObject"; } |
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if ($target eq 'web') { |
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my ($xmin,$xmax,$ymin,$ymax)=&boundaries($parstack,$safeeval,-3); |
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unless (defined($x)) { $x=$xmin; } |
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unless (defined($y)) { $y=$ymin; } |
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$result.=&plotobject_script($internalid,$label,$x,$y); |
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} elsif ($target eq 'edit') { |
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$result=&Apache::edit::tag_start($target,$token,'Plot Object'). |
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&Apache::edit::text_arg('Label on Plot:','label', |
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$token,'16'). |
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&Apache::edit::text_arg('x:','x', |
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$token,'8'). |
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&Apache::edit::text_arg('y:','y', |
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$token,'8'). |
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&Apache::edit::end_row(); |
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} elsif ($target eq 'modified') { |
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$env{'form.'.&Apache::edit::html_element_name('label')}=ucfirst($env{'form.'.&Apache::edit::html_element_name('label')}); |
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my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'label','x','y'); |
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if ($constructtag) { $result=&Apache::edit::rebuild_tag($token); } |
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} |
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return $result; |
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} |
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sub end_plotobject { |
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my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
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my $result=''; |
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if ($target eq 'edit') { |
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$result=&Apache::edit::end_table(); |
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} |
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return $result; |
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} |
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# |
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# Vector |
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# |
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sub start_plotvector { |
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my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
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my $result=''; |
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my $internalid = $Apache::inputtags::part.'_'.$Apache::inputtags::response[-1]; |
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my $tailx=&Apache::lonxml::get_param('tailx',$parstack,$safeeval); |
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my $taily=&Apache::lonxml::get_param('taily',$parstack,$safeeval); |
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my $tipx=&Apache::lonxml::get_param('tipx',$parstack,$safeeval); |
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my $tipy=&Apache::lonxml::get_param('tipy',$parstack,$safeeval); |
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my $label=&Apache::lonxml::get_param('label',$parstack,$safeeval); |
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$label=~s/\W//gs; |
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$label=ucfirst($label); |
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unless ($label) { $label="NewVector"; } |
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if ($target eq 'web') { |
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my ($xmin,$xmax,$ymin,$ymax)=&boundaries($parstack,$safeeval,-3); |
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unless (defined($tailx)) { $tailx=$xmin; } |
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unless (defined($taily)) { $taily=$ymin; } |
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unless (defined($tipx)) { $tipx=$xmin; } |
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unless (defined($tipy)) { $tipy=$ymin; } |
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$result.=&plotvector_script($internalid,$label,$tailx,$taily,$tipx,$tipy,$xmin,$xmax); |
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} elsif ($target eq 'edit') { |
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$result=&Apache::edit::tag_start($target,$token,'Plot Vector'). |
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&Apache::edit::text_arg('Label on Plot:','label', |
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$token,'16'). |
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&Apache::edit::text_arg('Tail x:','tailx', |
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$token,'8'). |
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&Apache::edit::text_arg('Tail y:','taily', |
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$token,'8'). |
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&Apache::edit::text_arg('Tip x:','tipx', |
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$token,'8'). |
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&Apache::edit::text_arg('Tip y:','tipy', |
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$token,'8'). |
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&Apache::edit::end_row(); |
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} elsif ($target eq 'modified') { |
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$env{'form.'.&Apache::edit::html_element_name('label')}=ucfirst($env{'form.'.&Apache::edit::html_element_name('label')}); |
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my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'label','tailx','taily','tipx','tipy'); |
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if ($constructtag) { $result=&Apache::edit::rebuild_tag($token); } |
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} |
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return $result; |
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} |
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sub end_plotvector { |
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my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
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my $result=''; |
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if ($target eq 'edit') { |
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$result=&Apache::edit::end_table(); |
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} |
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return $result; |
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} |
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# |
# |
# <backgroundplot function="..." fixed="yes/no" /> |
# <backgroundplot function="..." fixed="yes/no" /> |
# |
# |
Line 461 sub start_functionplotrule {
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Line 654 sub start_functionplotrule {
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} else { |
} else { |
$label='R'.$label; |
$label='R'.$label; |
} |
} |
if ($Apache::functionplotresponse::splineorder{$label}) { |
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&Apache::lonxml::error(&mt('Rule indices must be unique.')); |
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} |
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if ($target eq 'grade') { |
if ($target eq 'grade') { |
# Simply remember - in order - for later |
# Simply remember - in order - for later |
Line 501 sub start_functionplotrule {
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Line 690 sub start_functionplotrule {
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&Apache::lonxml::get_param('percenterror',$parstack,$safeeval) |
&Apache::lonxml::get_param('percenterror',$parstack,$safeeval) |
))); |
))); |
} elsif ($target eq 'edit') { |
} elsif ($target eq 'edit') { |
$result=&Apache::edit::tag_start($target,$token,'Function Plot Evaluation Rule'). |
$result=&Apache::edit::tag_start($target,$token,'Function Plot Graph Rule'). |
&Apache::edit::text_arg('Index/Name:','index', |
&Apache::edit::text_arg('Index/Name:','index', |
$token,'10').' '. |
$token,'10').' '. |
&Apache::edit::select_arg(&mt('Function:'),'derivativeorder', |
&Apache::edit::select_arg(&mt('Function:'),'derivativeorder', |
Line 531 sub start_functionplotrule {
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Line 720 sub start_functionplotrule {
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['lt','less than'], |
['lt','less than'], |
['le','less than or equal']],$token). |
['le','less than or equal']],$token). |
$result.= &Apache::edit::select_or_text_arg('Value:','value', |
$result.= &Apache::edit::select_or_text_arg('Value:','value', |
[['undef','not defined']],$token,'8'). |
[['undef','not defined']],$token,'30'). |
&Apache::edit::text_arg('Percent error:','percenterror', |
&Apache::edit::text_arg('Percent error:','percenterror', |
$token,'8'). |
$token,'8'). |
&Apache::edit::end_row(); |
&Apache::edit::end_row(); |
Line 563 sub end_functionplotrule {
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Line 752 sub end_functionplotrule {
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# |
# |
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# <functionplotvectorrule ... /> |
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# |
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sub start_functionplotvectorrule { |
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my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
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my $result=''; |
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my $label=&Apache::lonxml::get_param('index',$parstack,$safeeval); |
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$Apache::functionplotresponse::counter++; |
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if ($label=~/\W/) { |
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&Apache::lonxml::warning(&mt('Rule indices should only contain alphanumeric characters.')); |
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} |
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$label=~s/\W//gs; |
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unless ($label) { |
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$label='R'.$Apache::functionplotresponse::counter; |
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} else { |
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$label='R'.$label; |
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} |
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if ($target eq 'grade') { |
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# Simply remember - in order - for later |
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my $id=$Apache::inputtags::response[-1]; |
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my $partid=$Apache::inputtags::part; |
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my $internalid = $partid.'_'.$id; |
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my $vector=&Apache::lonxml::get_param('vector',$parstack,$safeeval); |
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$vector=~s/\W//gs; |
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$vector=ucfirst($vector); |
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my $attachpoint=&Apache::lonxml::get_param('attachpoint',$parstack,$safeeval); |
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$attachpoint=~s/\W//gs; |
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$attachpoint=ucfirst($attachpoint); |
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my $notattachpoint=&Apache::lonxml::get_param('notattachpoint',$parstack,$safeeval); |
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$notattachpoint=~s/\W//gs; |
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$notattachpoint=ucfirst($notattachpoint); |
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my $tailpoint=&Apache::lonxml::get_param('tailpoint',$parstack,$safeeval); |
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$tailpoint=~s/\W//gs; |
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$tailpoint=ucfirst($tailpoint); |
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my $tippoint=&Apache::lonxml::get_param('tippoint',$parstack,$safeeval); |
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$tippoint=~s/\W//gs; |
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$tippoint=ucfirst($tippoint); |
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my $nottailpoint=&Apache::lonxml::get_param('nottailpoint',$parstack,$safeeval); |
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$nottailpoint=~s/\W//gs; |
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$nottailpoint=ucfirst($nottailpoint); |
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my $nottippoint=&Apache::lonxml::get_param('nottippoint',$parstack,$safeeval); |
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$nottippoint=~s/\W//gs; |
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$nottippoint=ucfirst($nottippoint); |
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push(@Apache::functionplotresponse::functionplotvectorrules,join(':',( |
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$label, |
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'vector', |
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$internalid, |
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$vector, |
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$attachpoint, |
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$notattachpoint, |
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$tailpoint, |
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$tippoint, |
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$nottailpoint, |
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$nottippoint, |
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&Apache::lonxml::get_param('length',$parstack,$safeeval), |
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&Apache::lonxml::get_param('angle',$parstack,$safeeval), |
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&Apache::lonxml::get_param('lengtherror',$parstack,$safeeval), |
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&Apache::lonxml::get_param('angleerror',$parstack,$safeeval), |
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))); |
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} elsif ($target eq 'edit') { |
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$result=&Apache::edit::tag_start($target,$token,'Function Plot Vector Rule'). |
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&Apache::edit::text_arg('Index/Name:','index', |
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$token,'10').' '. |
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&Apache::edit::text_arg('Vector:','vector', |
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$token,'16').'<br />'. |
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&Apache::edit::text_arg('Attached to object:','attachpoint', |
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$token,'16'). |
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&Apache::edit::text_arg('Not attached to object:','notattachpoint', |
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$token,'16').'<br />'. |
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&Apache::edit::text_arg('Tail attached to object:','tailpoint', |
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$token,'16'). |
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&Apache::edit::text_arg('Tip attached to object:','tippoint', |
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$token,'16'). |
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&Apache::edit::text_arg('Tail not attached to object:','nottailpoint', |
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$token,'16'). |
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&Apache::edit::text_arg('Tip not attached to object:','nottippoint', |
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$token,'16').'<br />'. |
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&Apache::edit::text_arg('Length:','length', |
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$token,'16'). |
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&Apache::edit::text_arg('Angle:','angle', |
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$token,'16'). |
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&Apache::edit::text_arg('Absolute error length:','lengtherror', |
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$token,'8'). |
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&Apache::edit::text_arg('Absolute error angle:','angleerror', |
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$token,'8'). |
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&Apache::edit::end_row(); |
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} elsif ($target eq 'modified') { |
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$env{'form.'.&Apache::edit::html_element_name('vector')}=ucfirst($env{'form.'.&Apache::edit::html_element_name('vector')}); |
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$env{'form.'.&Apache::edit::html_element_name('attachpoint')}=ucfirst($env{'form.'.&Apache::edit::html_element_name('attachpoint')}); |
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$env{'form.'.&Apache::edit::html_element_name('notattachpoint')}=ucfirst($env{'form.'.&Apache::edit::html_element_name('notattachpoint')}); |
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$env{'form.'.&Apache::edit::html_element_name('tailpoint')}=ucfirst($env{'form.'.&Apache::edit::html_element_name('tailpoint')}); |
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$env{'form.'.&Apache::edit::html_element_name('tippoint')}=ucfirst($env{'form.'.&Apache::edit::html_element_name('tippoint')}); |
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$env{'form.'.&Apache::edit::html_element_name('nottailpoint')}=ucfirst($env{'form.'.&Apache::edit::html_element_name('nottailpoint')}); |
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$env{'form.'.&Apache::edit::html_element_name('nottippoint')}=ucfirst($env{'form.'.&Apache::edit::html_element_name('nottippoint')}); |
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my $constructtag=&Apache::edit::get_new_args($token,$parstack, |
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$safeeval,'index','vector','attachpoint','notattachpoint', |
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'tailpoint','tippoint','nottailpoint','nottipoint', |
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'length','angle', |
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'lengtherror','angleerror'); |
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if ($constructtag) { $result=&Apache::edit::rebuild_tag($token); } |
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} |
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return $result; |
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} |
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sub end_functionplotvectorrule { |
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my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
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my $result=''; |
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if ($target eq 'edit') { |
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$result=&Apache::edit::end_table(); |
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} |
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return $result; |
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} |
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# |
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# <functionplotvectorsumrule ... /> |
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# |
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sub start_functionplotvectorsumrule { |
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my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
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my $result=''; |
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my $label=&Apache::lonxml::get_param('index',$parstack,$safeeval); |
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$Apache::functionplotresponse::counter++; |
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if ($label=~/\W/) { |
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&Apache::lonxml::warning(&mt('Rule indices should only contain alphanumeric characters.')); |
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} |
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$label=~s/\W//gs; |
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unless ($label) { |
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$label='R'.$Apache::functionplotresponse::counter; |
|
} else { |
|
$label='R'.$label; |
|
} |
|
if ($target eq 'grade') { |
|
# Simply remember - in order - for later |
|
my $id=$Apache::inputtags::response[-1]; |
|
my $partid=$Apache::inputtags::part; |
|
my $internalid = $partid.'_'.$id; |
|
my $vectors=&Apache::lonxml::get_param('vectors',$parstack,$safeeval); |
|
push(@Apache::functionplotresponse::functionplotvectorrules,join(':',( |
|
$label, |
|
'sum', |
|
$internalid, |
|
$vectors, |
|
&Apache::lonxml::get_param('length',$parstack,$safeeval), |
|
&Apache::lonxml::get_param('angle',$parstack,$safeeval), |
|
&Apache::lonxml::get_param('lengtherror',$parstack,$safeeval), |
|
&Apache::lonxml::get_param('angleerror',$parstack,$safeeval), |
|
))); |
|
} elsif ($target eq 'edit') { |
|
$result=&Apache::edit::tag_start($target,$token,'Function Plot Vector Sum Rule'). |
|
&Apache::edit::text_arg('Index/Name:','index', |
|
$token,'10').' '. |
|
&Apache::edit::text_arg('Comma-separated list of vectors:','vectors', |
|
$token,'30').'<br />'. |
|
&Apache::edit::text_arg('Sum vector length:','length', |
|
$token,'16'). |
|
&Apache::edit::text_arg('Sum vector angle:','angle', |
|
$token,'16'). |
|
&Apache::edit::text_arg('Error length:','lengtherror', |
|
$token,'8'). |
|
&Apache::edit::text_arg('Error angle:','angleerror', |
|
$token,'8'). |
|
&Apache::edit::end_row(); |
|
} elsif ($target eq 'modified') { |
|
$env{'form.'.&Apache::edit::html_element_name('object')}=ucfirst($env{'form.'.&Apache::edit::html_element_name('object')}); |
|
my $constructtag=&Apache::edit::get_new_args($token,$parstack, |
|
$safeeval,'index','vectors', |
|
'length','angle', |
|
,'lengtherror','angleerror'); |
|
if ($constructtag) { $result=&Apache::edit::rebuild_tag($token); } |
|
} |
|
return $result; |
|
} |
|
|
|
sub end_functionplotvectorsumrule { |
|
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
|
my $result=''; |
|
if ($target eq 'edit') { |
|
$result=&Apache::edit::end_table(); |
|
} |
|
return $result; |
|
} |
|
|
|
# |
# <spline index="..." order="1,2,3,4" initx="..." inity="..." scalex="..." scaley="..." /> |
# <spline index="..." order="1,2,3,4" initx="..." inity="..." scalex="..." scaley="..." /> |
# |
# |
# Unfortunately, GeoGebra seems to want all splines after everything else, so we need to store them |
# Unfortunately, GeoGebra seems to want all splines after everything else, so we need to store them |
Line 719 sub array_index {
|
Line 1097 sub array_index {
|
# |
# |
|
|
sub populate_arrays { |
sub populate_arrays { |
my ($id,$xmin,$xmax)=@_; |
my ($id,$xmin,$xmax,$ymin,$ymax)=@_; |
for (my $i=0; $i<=400; $i++) { |
for (my $i=0; $i<=400; $i++) { |
$Apache::functionplotresponse::actualxval[$i]=undef; |
$Apache::functionplotresponse::actualxval[$i]=undef; |
$Apache::functionplotresponse::func[$i]=undef; |
$Apache::functionplotresponse::func[$i]=undef; |
Line 747 sub populate_arrays {
|
Line 1125 sub populate_arrays {
|
my $xi=&array_index($xmin,$xmax,$xreal); |
my $xi=&array_index($xmin,$xmax,$xreal); |
if ($xi<$xiold) { return 'no_func'; } |
if ($xi<$xiold) { return 'no_func'; } |
if (($xi>$xiold) && ($xi>=0) && ($xi<=400)) { |
if (($xi>$xiold) && ($xi>=0) && ($xi<=400)) { |
if (defined($Apache::functionplotresponse::func[$xi])) { return 'no_func'; } |
|
$xiold=$xi; |
$xiold=$xi; |
$Apache::functionplotresponse::actualxval[$xi]=$xreal; |
$Apache::functionplotresponse::actualxval[$xi]=$xreal; |
# Function value |
# Function value |
my $funcval=&cubic_hermite($t,@yparms); |
my $funcval=&cubic_hermite($t,@yparms); |
|
|
|
# Do we already have a value for this point, and is it different from the new one? |
|
if ((defined($Apache::functionplotresponse::func[$xi])) && |
|
(abs($Apache::functionplotresponse::func[$xi]-$funcval)>($ymax-$ymin)/100.)) { |
|
return 'no_func'; |
|
} |
|
# Okay, remember the new point |
$Apache::functionplotresponse::func[$xi]=$funcval; |
$Apache::functionplotresponse::func[$xi]=$funcval; |
|
|
if (defined($funcval)) { |
if (defined($funcval)) { |
if ($xi<$Apache::functionplotresponse::functionplotrulelabels{'start'}) { |
if ($xi<$Apache::functionplotresponse::functionplotrulelabels{'start'}) { |
$Apache::functionplotresponse::functionplotrulelabels{'start'}=$xi; |
$Apache::functionplotresponse::functionplotrulelabels{'start'}=$xi; |
Line 796 sub start_functionplotresponse {
|
Line 1181 sub start_functionplotresponse {
|
$Apache::functionplotresponse::counter=0; |
$Apache::functionplotresponse::counter=0; |
# Remember rules |
# Remember rules |
undef @Apache::functionplotresponse::functionplotrules; |
undef @Apache::functionplotresponse::functionplotrules; |
|
undef @Apache::functionplotresponse::functionplotvectorrules; |
# Remember failed rules |
# Remember failed rules |
if ($target eq 'grade') { |
if ($target eq 'grade') { |
undef @Apache::functionplotresponse::failedrules; |
undef @Apache::functionplotresponse::failedrules; |
Line 847 sub start_functionplotresponse {
|
Line 1233 sub start_functionplotresponse {
|
['yes','no'],$token).'<br />'. |
['yes','no'],$token).'<br />'. |
&Apache::edit::select_arg('Grid visible:','gridvisible', |
&Apache::edit::select_arg('Grid visible:','gridvisible', |
['yes','no'],$token).'<br />'. |
['yes','no'],$token).'<br />'. |
&Apache::edit::text_arg('Background plot(s) for answer (function:xmin:xmax,function:xmin:xmax,...):', |
&Apache::edit::text_arg('Background plot(s) for answer (function(x):xmin:xmax,function(x):xmin:xmax,x1:y1:sx1:sy1:x2:y2:sx2:sy2,...):', |
'answerdisplay',$token,'50'); |
'answerdisplay',$token,'50'). |
|
|
&Apache::edit::end_row().&Apache::edit::start_spanning_row(); |
&Apache::edit::end_row().&Apache::edit::start_spanning_row(); |
} elsif ($target eq 'modified') { |
} elsif ($target eq 'modified') { |
my $constructtag=&Apache::edit::get_new_args($token,$parstack, |
my $constructtag=&Apache::edit::get_new_args($token,$parstack, |
Line 934 sub compare_rel {
|
Line 1319 sub compare_rel {
|
|
|
sub addlog { |
sub addlog { |
my ($text)=@_; |
my ($text)=@_; |
|
$text=~s/\'/\\\'/g; |
$Apache::functionplotresponse::ruleslog.=$text.'<br />'; |
$Apache::functionplotresponse::ruleslog.=$text.'<br />'; |
} |
} |
|
|
Line 941 sub actualval {
|
Line 1327 sub actualval {
|
my ($i,$xmin,$xmax)=@_; |
my ($i,$xmin,$xmax)=@_; |
return $xmin+$i/400.*($xmax-$xmin); |
return $xmin+$i/400.*($xmax-$xmin); |
} |
} |
|
|
|
sub fpr_val { |
|
my ($arg)=@_; |
|
return &actualval($Apache::functionplotresponse::functionplotrulelabels{$arg}, |
|
$Apache::functionplotresponse::fpr_xmin, |
|
$Apache::functionplotresponse::fpr_xmax); |
|
} |
|
|
|
sub fpr_f { |
|
my ($arg)=@_; |
|
return $Apache::functionplotresponse::func[&array_index($Apache::functionplotresponse::fpr_xmin, |
|
$Apache::functionplotresponse::fpr_xmax, |
|
$arg)]; |
|
} |
|
|
|
sub fpr_dfdx { |
|
my ($arg)=@_; |
|
return $Apache::functionplotresponse::dfuncdx[&array_index($Apache::functionplotresponse::fpr_xmin, |
|
$Apache::functionplotresponse::fpr_xmax, |
|
$arg)]; |
|
} |
|
|
|
sub fpr_d2fdx2 { |
|
my ($arg)=@_; |
|
return $Apache::functionplotresponse::d2funcdx2[&array_index($Apache::functionplotresponse::fpr_xmin, |
|
$Apache::functionplotresponse::fpr_xmax, |
|
$arg)]; |
|
} |
|
|
|
|
|
sub vectorcoords { |
|
my ($id,$label)=@_; |
|
return ($env{'form.HWVAL_'.$id.'_'.$label.'Start_x'}, |
|
$env{'form.HWVAL_'.$id.'_'.$label.'End_x'}, |
|
$env{'form.HWVAL_'.$id.'_'.$label.'Start_y'}, |
|
$env{'form.HWVAL_'.$id.'_'.$label.'End_y'}); |
|
} |
|
|
|
sub objectcoords { |
|
my ($id,$label)=@_; |
|
return ($env{'form.HWVAL_'.$id.'_'.$label.'_x'}, |
|
$env{'form.HWVAL_'.$id.'_'.$label.'_y'}); |
|
} |
|
|
|
sub attached { |
|
my ($id,$vector,$object,$xmin,$xmax,$ymin,$ymax)=@_; |
|
my ($xs,$xe,$ys,$ye)=&vectorcoords($id,$vector); |
|
my ($xo,$yo)=&objectcoords($id,$object); |
|
my $tolx=($xmax-$xmin)/100.; |
|
my $toly=($ymax-$ymin)/100.; |
|
my $tail=0; |
|
my $tip=0; |
|
&addlog("Proximity $vector ($xs,$xe,$ys,$ye) to $object ($xo,$yo)"); |
|
if ((abs($xs-$xo)<$tolx) && (abs($ys-$yo)<$toly)) { $tail=1; } |
|
if ((abs($xe-$xo)<$tolx) && (abs($ye-$yo)<$toly)) { $tip=1; } |
|
&addlog("Result tail:$tail tip:$tip"); |
|
return($tail,$tip); |
|
} |
|
|
|
|
|
sub vectorangle { |
|
my ($x,$y)=@_; |
|
my $angle=57.2957795*atan2($y,$x); |
|
if ($angle<0) { $angle=360+$angle; } |
|
return $angle; |
|
} |
|
|
|
sub vectorlength { |
|
my ($x,$y)=@_; |
|
return sqrt($x*$x+$y*$y); |
|
} |
|
|
|
sub relvector { |
|
my ($xs,$xe,$ys,$ye)=@_; |
|
return ($xe-$xs,$ye-$ys); |
|
} |
|
|
|
sub plotvectorlength { |
|
return &vectorlength(&relvector(&vectorcoords(@_))); |
|
} |
|
|
|
sub plotvectorangle { |
|
return &vectorangle(&relvector(&vectorcoords(@_))); |
|
} |
|
|
|
|
|
# |
|
# Evaluate a functionplotvectorrule |
|
# |
|
|
|
sub functionplotvectorrulecheck { |
|
my ($rule,$xmin,$xmax,$ymin,$ymax,$safeeval)=@_; |
|
&addlog("================="); |
|
my ($label,$type)=split(/\:/,$rule); |
|
if ($type eq 'vector') { |
|
return &vectorcheck($rule,$xmin,$xmax,$ymin,$ymax,$safeeval); |
|
} elsif ($type eq 'sum') { |
|
return &sumcheck($rule,$xmin,$xmax,$ymin,$ymax,$safeeval); |
|
} |
|
} |
|
|
|
sub vectorcheck { |
|
my ($rule,$xmin,$xmax,$ymin,$ymax,$safeeval)=@_; |
|
my ($label,$type,$id,$vector, |
|
$attachpoint,$notattachpoint, |
|
$tailpoint,$tippoint,$nottailpoint,$nottippoint, |
|
$length,$angle,$lengtherror,$angleerror)=split(/\:/,$rule); |
|
&addlog("Vector Rule $label for vector ".$vector); |
|
if ($length ne '') { |
|
&addlog("Checking for length $length with error $lengtherror"); |
|
$length=&Apache::run::run($length,$safeeval); |
|
&addlog("Length evaluated to $length"); |
|
my $thislength=&plotvectorlength($id,$vector); |
|
&addlog("Found length $thislength"); |
|
if (abs($thislength-$length)>$lengtherror) { |
|
&setfailed($label); |
|
return 0; |
|
} |
|
} |
|
if ($angle ne '') { |
|
&addlog("Checking for angle $angle with error $angleerror"); |
|
$angle=&Apache::run::run($angle,$safeeval); |
|
&addlog("Angle evaluated to $angle"); |
|
my $thisangle=&plotvectorangle($id,$vector); |
|
&addlog("Found angle $thisangle"); |
|
my $anglediff=abs($thisangle-$angle); |
|
&addlog("Angle difference: $anglediff"); |
|
if ($anglediff>360.-$anglediff) { |
|
$anglediff=360.-$anglediff; |
|
} |
|
&addlog("Smallest angle difference: $anglediff"); |
|
if ($anglediff>$angleerror) { |
|
&setfailed($label); |
|
return 0; |
|
} |
|
} |
|
if ($attachpoint ne '') { |
|
&addlog("Checking attached: ".$attachpoint); |
|
my ($tail,$tip)=&attached($id,$vector,$attachpoint,$xmin,$xmax,$ymin,$ymax); |
|
unless ($tail || $tip) { |
|
&setfailed($label); |
|
return 0; |
|
} |
|
} |
|
if ($notattachpoint ne '') { |
|
&addlog("Checking not attached: ".$notattachpoint); |
|
my ($tail,$tip)=&attached($id,$vector,$notattachpoint,$xmin,$xmax,$ymin,$ymax); |
|
if ($tail || $tip) { |
|
&setfailed($label); |
|
return 0; |
|
} |
|
} |
|
if ($tailpoint ne '') { |
|
&addlog("Checking tail: ".$tailpoint); |
|
my ($tail,$tip)=&attached($id,$vector,$tailpoint,$xmin,$xmax,$ymin,$ymax); |
|
unless ($tail) { |
|
&setfailed($label); |
|
return 0; |
|
} |
|
} |
|
if ($nottailpoint ne '') { |
|
&addlog("Checking not tail: ".$nottailpoint); |
|
my ($tail,$tip)=&attached($id,$vector,$nottailpoint,$xmin,$xmax,$ymin,$ymax); |
|
if ($tail) { |
|
&setfailed($label); |
|
return 0; |
|
} |
|
} |
|
if ($tippoint ne '') { |
|
&addlog("Checking tip: ".$tippoint); |
|
my ($tail,$tip)=&attached($id,$vector,$tippoint,$xmin,$xmax,$ymin,$ymax); |
|
unless ($tip) { |
|
&setfailed($label); |
|
return 0; |
|
} |
|
} |
|
if ($nottippoint ne '') { |
|
&addlog("Checking not tip: ".$nottippoint); |
|
my ($tail,$tip)=&attached($id,$vector,$nottippoint,$xmin,$xmax,$ymin,$ymax); |
|
if ($tip) { |
|
&setfailed($label); |
|
return 0; |
|
} |
|
} |
|
|
|
&addlog("Rule $label passed."); |
|
return 1; |
|
} |
|
|
|
sub sumcheck { |
|
my ($rule,$xmin,$xmax,$ymin,$ymax,$safeeval)=@_; |
|
my ($label,$type,$id,$vectors,$length,$angle,$lengtherror,$angleerror)=split(/\:/,$rule); |
|
&addlog("Vector Sum Rule $label for vectors ".$vectors); |
|
my $sumx=0; |
|
my $sumy=0; |
|
foreach my $sv (split(/\s*\,\s*/,$vectors)) { |
|
my ($rx,$ry)=&relvector(&vectorcoords($id,$sv)); |
|
$sumx+=$rx; |
|
$sumy+=$ry; |
|
} |
|
&addlog("Sum vector ($sumx,$sumy)"); |
|
&addlog("Rule $label passed."); |
|
return 1; |
|
} |
|
|
|
# |
|
# Evaluate a functionplotrule |
|
# |
|
|
sub functionplotrulecheck { |
sub functionplotrulecheck { |
my ($rule,$xmin,$xmax,$ymin,$ymax)=@_; |
my ($rule,$xmin,$xmax,$ymin,$ymax,$safeeval)=@_; |
|
|
my ($label,$derivative,$xinitial,$xinitiallabel,$xfinal,$xfinallabel,$minimumlength,$maximumlength,$relationship,$value,$percent) |
my ($label,$derivative,$xinitial,$xinitiallabel,$xfinal,$xfinallabel,$minimumlength,$maximumlength,$relationship,$value,$percent) |
=split(/\:/,$rule); |
=split(/\:/,$rule); |
$percent=($percent>0?$percent:5); |
$percent=($percent>0?$percent:5); |
&addlog("================="); |
&addlog("================="); |
&addlog("Rule $label for ".($derivative<0?'integral':('function itself','first derivative','second derivative')[$derivative])." $relationship $value"); |
&addlog("Rule $label for ".($derivative<0?'integral':('function itself','first derivative','second derivative')[$derivative])." $relationship $value"); |
|
# |
|
# Evaluate the value |
|
# |
|
if ($value=~/\D/) { |
|
$Apache::functionplotresponse::fpr_xmin=$xmin; |
|
$Apache::functionplotresponse::fpr_xmax=$xmax; |
|
$value=&Apache::run::run($value,$safeeval); |
|
&addlog("Value evaluated to $value"); |
|
} |
|
|
|
# |
|
# Minimum and maximum lengths of the interval |
|
# |
if ((defined($minimumlength)) || (defined($maximumlength))) { |
if ((defined($minimumlength)) || (defined($maximumlength))) { |
&addlog("Minimumlength $minimumlength Maximumlength $maximumlength"); |
&addlog("Minimumlength $minimumlength Maximumlength $maximumlength"); |
} |
} |
Line 1024 sub functionplotrulecheck {
|
Line 1631 sub functionplotrulecheck {
|
unless (&compare_rel($relationship,$value,$integral,$tol)) { |
unless (&compare_rel($relationship,$value,$integral,$tol)) { |
&addlog("Actual integral ".(defined($integral)?$integral:'undef').", expected $value, tolerance $tol"); |
&addlog("Actual integral ".(defined($integral)?$integral:'undef').", expected $value, tolerance $tol"); |
&addlog("Rule $label failed."); |
&addlog("Rule $label failed."); |
my $hintlabel=$label; |
&setfailed($label); |
$hintlabel=~s/^R//; |
|
push(@Apache::functionplotresponse::failedrules,$hintlabel); |
|
&addlog("Set hint condition $hintlabel"); |
|
return 0; |
return 0; |
} |
} |
} else { |
} else { |
Line 1093 sub checklength {
|
Line 1697 sub checklength {
|
} |
} |
|
|
sub setfailed { |
sub setfailed { |
my ($label)=@_; |
my ($hintlabel)=@_; |
my $hintlabel=$label; |
|
$hintlabel=~s/^R//; |
$hintlabel=~s/^R//; |
push(@Apache::functionplotresponse::failedrules,$hintlabel); |
push(@Apache::functionplotresponse::failedrules,$hintlabel); |
&addlog("Set hint condition $hintlabel"); |
&addlog("Set hint condition $hintlabel"); |
Line 1138 sub end_functionplotruleset {
|
Line 1741 sub end_functionplotruleset {
|
$Apache::functionplotresponse::ruleslog=''; |
$Apache::functionplotresponse::ruleslog=''; |
$Apache::functionplotresponse::functionplotrulelabels{'start'}=400; |
$Apache::functionplotresponse::functionplotrulelabels{'start'}=400; |
$Apache::functionplotresponse::functionplotrulelabels{'end'}=0; |
$Apache::functionplotresponse::functionplotrulelabels{'end'}=0; |
if (&populate_arrays($internalid,$xmin,$xmax) eq 'no_func') { |
if (&populate_arrays($internalid,$xmin,$xmax,$ymin,$ymax) eq 'no_func') { |
$ad='NOT_FUNCTION'; |
$ad='NOT_FUNCTION'; |
} else { |
} else { |
&addlog("Start of function ".&actualval($Apache::functionplotresponse::functionplotrulelabels{'start'},$xmin,$xmax)." (index ". |
&addlog("Start of function ".&actualval($Apache::functionplotresponse::functionplotrulelabels{'start'},$xmin,$xmax)." (index ". |
Line 1148 sub end_functionplotruleset {
|
Line 1751 sub end_functionplotruleset {
|
|
|
# We have a function that we can actually grade, go through the spline rules. |
# We have a function that we can actually grade, go through the spline rules. |
foreach my $rule (@Apache::functionplotresponse::functionplotrules) { |
foreach my $rule (@Apache::functionplotresponse::functionplotrules) { |
unless (&functionplotrulecheck($rule,$xmin,$xmax,$ymin,$ymax)) { |
unless (&functionplotrulecheck($rule,$xmin,$xmax,$ymin,$ymax,$safeeval)) { |
|
$ad='INCORRECT'; |
|
last; |
|
} |
|
} |
|
# And now go through the vector rules |
|
foreach my $rule (@Apache::functionplotresponse::functionplotvectorrules) { |
|
unless (&functionplotvectorrulecheck($rule,$xmin,$xmax,$ymin,$ymax,$safeeval)) { |
$ad='INCORRECT'; |
$ad='INCORRECT'; |
last; |
last; |
} |
} |
Line 1219 sub end_functionplotelements {
|
Line 1829 sub end_functionplotelements {
|
my $answerdisplay=&Apache::lonxml::get_param('answerdisplay',$parstack,$safeeval,-2); |
my $answerdisplay=&Apache::lonxml::get_param('answerdisplay',$parstack,$safeeval,-2); |
if ($answerdisplay=~/\S/s) { |
if ($answerdisplay=~/\S/s) { |
foreach my $plot (split(/\s*\,\s*/,$answerdisplay)) { |
foreach my $plot (split(/\s*\,\s*/,$answerdisplay)) { |
my ($func,$xl,$xh)=split(/\s*\:\s*/,$plot); |
my @components=split(/\s*\:\s*/,$plot); |
if ((!defined($xl)) || ($xl eq '')) { $xl=$xmin; } |
if ($#components<3) { |
if ((!defined($xh)) || ($xh eq '')) { $xh=$xmax; } |
# Just a simple plot |
$result.=&plot_script($internalid,$func,1,'','00aa00',$xl,$xh,6); |
my ($func,$xl,$xh)=@components; |
|
if ((!defined($xl)) || ($xl eq '')) { $xl=$xmin; } |
|
if ((!defined($xh)) || ($xh eq '')) { $xh=$xmax; } |
|
$result.=&plot_script($internalid,$func,1,'','00aa00',$xl,$xh,6); |
|
} else { |
|
# This is a spline |
|
$result.=&answer_spline_script($internalid,@components); |
|
} |
} |
} |
} |
} |
} |
} |