--- loncom/homework/functionplotresponse.pm 2011/09/28 23:33:52 1.64
+++ loncom/homework/functionplotresponse.pm 2011/11/18 18:02:04 1.72
@@ -1,7 +1,7 @@
# LearningOnline Network with CAPA
-# option list style responses
+# Functionplot responses
#
-# $Id: functionplotresponse.pm,v 1.64 2011/09/28 23:33:52 www Exp $
+# $Id: functionplotresponse.pm,v 1.72 2011/11/18 18:02:04 www Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -31,9 +31,11 @@ use strict;
use Apache::response();
use Apache::lonlocal;
use Apache::lonnet;
+use Apache::run;
BEGIN {
&Apache::lonxml::register('Apache::functionplotresponse',('functionplotresponse','backgroundplot','spline',
+ 'plotobject','plotvector',
'functionplotrule','functionplotruleset',
'functionplotelements'));
}
@@ -75,7 +77,7 @@ sub geogebra_default_parameters {
<param name="boxborder" value="false" />
<param name="centerimage" value="true" />
<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="3.9.219.0, 3.9.219.0, 3.9.219.0, 3.9.219.0, 3.9.219.0, 3.9.219.0, 3.9.219.0, 3.9.219.0, 3.9.219.0, 3.9.219.0, 3.9.219.0" />
+ <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="showResetIcon" value="false" />
@@ -163,6 +165,14 @@ sub update_register {
sub set_point_coordinate {
my ($id,$variable,$x,$y,$fixed)=@_;
my $mult=($fixed?'a*':'');
+# Get rid of wild exponents, make sure it's a number
+ $x=1.*$x;
+ $y=1.*$y;
+# GeoGebra does not understand "E"
+ $x=~s/[e|E]/\*10\^/;
+ $x=~s/\+//;
+ $y=~s/[e|E]/\*10\^/;
+ $y=~s/\+//;
return (<<ENDSETVARIABLE);
document.ggbApplet_$id.evalCommand("a=1");
document.ggbApplet_$id.evalCommand("$variable=$mult($x,$y)");
@@ -370,6 +380,59 @@ sub plot_script {
}
#
+# Subroutine to produce objects
+#
+
+sub plotobject_script {
+ my ($id,$label,$x,$y)=@_;
+ unless ($label) {
+ $Apache::functionplotresponse::counter++;
+ $label='O'.$Apache::functionplotresponse::counter;
+ }
+ return "document.ggbApplet_$id.evalCommand('a=1');\n".
+ "document.ggbApplet_$id.setVisible('a', false);\n".
+ "document.ggbApplet_$id.setLabelVisible('a', false);\n".
+ "document.ggbApplet_$id.evalCommand('$label=a*($x,$y)');\n".
+ "document.ggbApplet_$id.setVisible('$label', true);\n".
+ "document.ggbApplet_$id.setLabelVisible('$label', true);\n";
+}
+
+#
+# Subroutine to produce vectors
+#
+
+sub plotvector_script {
+ my ($id,$label,$xs,$ys,$xe,$ye,$xmin,$xmax)=@_;
+ unless ($label) {
+ $Apache::functionplotresponse::counter++;
+ $label='V'.$Apache::functionplotresponse::counter;
+ }
+ my $startlabel=$label.'Start';
+ my $endlabel=$label.'End';
+ my $pointlabel=$label.'Point';
+ my $pointx=2.*($xmax-$xmin)+$xmax;
+ my $anglelabel=$label.'Angle';
+ return(<<ENDVECTOR);
+document.ggbApplet_$id.evalCommand("$startlabel=($xs,$ys)");
+document.ggbApplet_$id.setVisible("$startlabel",false);
+document.ggbApplet_$id.setLabelVisible("$startlabel",false);
+document.ggbApplet_$id.evalCommand("$endlabel=($xe,$ye)");
+document.ggbApplet_$id.setLabelVisible("$endlabel",false);
+document.ggbApplet_$id.evalCommand("$label=Vector[$startlabel,$endlabel]");
+document.ggbApplet_$id.setLabelVisible("$label",true);
+document.ggbApplet_$id.setLineThickness("$label",8);
+document.ggbApplet_$id.evalCommand("$pointlabel=($pointx,y($startlabel))");
+document.ggbApplet_$id.evalCommand("$anglelabel=Angle[$pointlabel,$startlabel,$endlabel]");
+document.ggbApplet_$id.setLabelVisible("$anglelabel",true);
+document.ggbApplet_$id.setLabelStyle("$anglelabel",VALUE=2);
+// Keeps track of points we care about (This should use the same listener function we use in graph problems)
+//document.ggbApplet1.registerObjectUpdateListener('Gravitystart','updatePointCoordinates');
+//document.ggbApplet1.registerObjectUpdateListener('Gravityend','updatePointCoordinates');
+//document.ggbApplet1.registerObjectUpdateListener('GravityAngle','updatePointCoordinates');
+ENDVECTOR
+}
+
+#
# Answer spline display
#
# points: x,y,slope_x,slope_y
@@ -422,6 +485,107 @@ sub generate_spline {
$result.='document.ggbApplet_'.$id.'.evalCommand("Spline'.$order.'['.join(',',@coords).']");'."\n";
return $result;
}
+
+#
+# Object
+#
+
+sub start_plotobject {
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+ my $result='';
+ my $internalid = $Apache::inputtags::part.'_'.$Apache::inputtags::response[-1];
+ my $x=&Apache::lonxml::get_param('x',$parstack,$safeeval);
+ my $y=&Apache::lonxml::get_param('y',$parstack,$safeeval);
+ my $label=&Apache::lonxml::get_param('label',$parstack,$safeeval);
+ $label=~s/\W//gs;
+ $label=ucfirst($label);
+ unless ($label) { $label="NewObject"; }
+ if ($target eq 'web') {
+ my ($xmin,$xmax,$ymin,$ymax)=&boundaries($parstack,$safeeval,-3);
+ unless (defined($x)) { $x=$xmin; }
+ unless (defined($y)) { $y=$ymin; }
+ $result.=&plotobject_script($internalid,$label,$x,$y);
+ } elsif ($target eq 'edit') {
+ $result=&Apache::edit::tag_start($target,$token,'Plot Object').
+ &Apache::edit::text_arg('Label on Plot:','label',
+ $token,'16').
+ &Apache::edit::text_arg('x:','x',
+ $token,'8').
+ &Apache::edit::text_arg('y:','y',
+ $token,'8').
+ &Apache::edit::end_row();
+ } elsif ($target eq 'modified') {
+ my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'label','x','y');
+ if ($constructtag) { $result=&Apache::edit::rebuild_tag($token); }
+ }
+ return $result;
+}
+
+sub end_plotobject {
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+ my $result='';
+ if ($target eq 'edit') {
+ $result=&Apache::edit::end_table();
+ }
+ return $result;
+}
+
+#
+# Vector
+#
+
+sub start_plotvector {
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+ my $result='';
+ my $internalid = $Apache::inputtags::part.'_'.$Apache::inputtags::response[-1];
+ my $tailx=&Apache::lonxml::get_param('tailx',$parstack,$safeeval);
+ my $taily=&Apache::lonxml::get_param('taily',$parstack,$safeeval);
+ my $tipx=&Apache::lonxml::get_param('tipx',$parstack,$safeeval);
+ my $tipy=&Apache::lonxml::get_param('tipy',$parstack,$safeeval);
+
+ my $label=&Apache::lonxml::get_param('label',$parstack,$safeeval);
+ $label=~s/\W//gs;
+ $label=ucfirst($label);
+ unless ($label) { $label="NewVector"; }
+ if ($target eq 'web') {
+ my ($xmin,$xmax,$ymin,$ymax)=&boundaries($parstack,$safeeval,-3);
+ unless (defined($tailx)) { $tailx=$xmin; }
+ unless (defined($taily)) { $taily=$ymin; }
+ unless (defined($tipx)) { $tipx=$xmin; }
+ unless (defined($tipy)) { $tipy=$ymin; }
+ $result.=&plotvector_script($internalid,$label,$tailx,$taily,$tipx,$tipy,$xmin,$xmax);
+ } elsif ($target eq 'edit') {
+ $result=&Apache::edit::tag_start($target,$token,'Plot Vector').
+ &Apache::edit::text_arg('Label on Plot:','label',
+ $token,'16').
+ &Apache::edit::text_arg('Tail x:','tailx',
+ $token,'8').
+ &Apache::edit::text_arg('Tail y:','taily',
+ $token,'8').
+ &Apache::edit::text_arg('Tip x:','tipx',
+ $token,'8').
+ &Apache::edit::text_arg('Tip y:','tipy',
+ $token,'8').
+
+ &Apache::edit::end_row();
+ } elsif ($target eq 'modified') {
+ my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'label','tailx','taily','tipx','tipy');
+ if ($constructtag) { $result=&Apache::edit::rebuild_tag($token); }
+ }
+ return $result;
+}
+
+sub end_plotvector {
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+ my $result='';
+ if ($target eq 'edit') {
+ $result=&Apache::edit::end_table();
+ }
+ return $result;
+}
+
+
+
#
# <backgroundplot function="..." fixed="yes/no" />
#
@@ -563,7 +727,7 @@ sub start_functionplotrule {
['lt','less than'],
['le','less than or equal']],$token).
$result.= &Apache::edit::select_or_text_arg('Value:','value',
- [['undef','not defined']],$token,'8').
+ [['undef','not defined']],$token,'30').
&Apache::edit::text_arg('Percent error:','percenterror',
$token,'8').
&Apache::edit::end_row();
@@ -972,6 +1136,7 @@ sub compare_rel {
sub addlog {
my ($text)=@_;
+ $text=~s/\'/\\\'/g;
$Apache::functionplotresponse::ruleslog.=$text.'<br />';
}
@@ -979,15 +1144,56 @@ sub actualval {
my ($i,$xmin,$xmax)=@_;
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,
+ $arg)];
+}
sub functionplotrulecheck {
- my ($rule,$xmin,$xmax,$ymin,$ymax)=@_;
+ my ($rule,$xmin,$xmax,$ymin,$ymax,$safeeval)=@_;
my ($label,$derivative,$xinitial,$xinitiallabel,$xfinal,$xfinallabel,$minimumlength,$maximumlength,$relationship,$value,$percent)
=split(/\:/,$rule);
$percent=($percent>0?$percent:5);
&addlog("=================");
&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))) {
&addlog("Minimumlength $minimumlength Maximumlength $maximumlength");
}
@@ -1186,7 +1392,7 @@ sub end_functionplotruleset {
# We have a function that we can actually grade, go through the spline rules.
foreach my $rule (@Apache::functionplotresponse::functionplotrules) {
- unless (&functionplotrulecheck($rule,$xmin,$xmax,$ymin,$ymax)) {
+ unless (&functionplotrulecheck($rule,$xmin,$xmax,$ymin,$ymax,$safeeval)) {
$ad='INCORRECT';
last;
}