loncom/homework/functionplotresponse.pm - diff

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Diff for /loncom/homework/functionplotresponse.pm between versions 1.42 and 1.69

version 1.42, 2010/11/20 00:14:44	version 1.69, 2011/10/27 00:36:37
Line 31 use strict;	Line 31 use strict;
use Apache::response();	use Apache::response();
use Apache::lonlocal;	use Apache::lonlocal;
use Apache::lonnet;	use Apache::lonnet;
	use Apache::run;

BEGIN {	BEGIN {
&Apache::lonxml::register('Apache::functionplotresponse',('functionplotresponse','backgroundplot','spline',	&Apache::lonxml::register('Apache::functionplotresponse',('functionplotresponse','backgroundplot','spline',
Line 61 sub geogebra_endcode {	Line 62 sub geogebra_endcode {
#	#
sub geogebra_spline_program {	sub geogebra_spline_program {
return (<<ENDSPLINEPROGRAM);	return (<<ENDSPLINEPROGRAM);
<param name="ggbBase64" value="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" />	<param name="ggbBase64" value="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"/>
ENDSPLINEPROGRAM	ENDSPLINEPROGRAM
}	}

Line 74 sub geogebra_default_parameters {	Line 75 sub geogebra_default_parameters {
<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="3.9.115.0, 3.9.115.0, 3.9.115.0, 3.9.115.0, 3.9.115.0, 3.9.115.0, 3.9.115.0, 3.9.115.0, 3.9.115.0, 3.9.115.0, 3.9.115.0" />	<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" />

<param name="showResetIcon" value="false" />	<param name="showResetIcon" value="false" />
Line 108 sub init_script {	Line 109 sub init_script {
$script.="if (param=='applet_$id') { loaded_$id=true; }\n";	$script.="if (param=='applet_$id') { loaded_$id=true; }\n";
}	}
$script.="if (".join(' && ',map { "loaded_$_" } (@Apache::functionplotresponse::callscripts)).	$script.="if (".join(' && ',map { "loaded_$_" } (@Apache::functionplotresponse::callscripts)).
") { setTimeout('ggbInitAll()',20) }";	") { setTimeout('ggbInitAll()',200) }";
my $calls=join("\n",map { "ggbInit_$_();" } (@Apache::functionplotresponse::callscripts));	my $calls=join("\n",map { "ggbInit_$_();" } (@Apache::functionplotresponse::callscripts));
return (<<ENDGGBINIT);	return (<<ENDGGBINIT);
<script type="text/javascript">	<script type="text/javascript">
Line 161 sub update_register {	Line 162 sub update_register {
# Set a point coordinate variable	# Set a point coordinate variable
#	#
sub set_point_coordinate {	sub set_point_coordinate {
my ($id,$variable,$x,$y)=@_;	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\^/;
	$y=~s/\+//;
return (<<ENDSETVARIABLE);	return (<<ENDSETVARIABLE);
document.ggbApplet_$id.evalCommand("$variable=($x,$y)");	document.ggbApplet_$id.evalCommand("a=1");
	document.ggbApplet_$id.evalCommand("$variable=$mult($x,$y)");
document.ggbApplet_$id.setLabelVisible("$variable",false);	document.ggbApplet_$id.setLabelVisible("$variable",false);
ENDSETVARIABLE	ENDSETVARIABLE
}	}
Line 172 ENDSETVARIABLE	Line 183 ENDSETVARIABLE
# Set a slope coordinate variable	# Set a slope coordinate variable
#	#
sub set_slope_coordinate {	sub set_slope_coordinate {
my ($id,$variable,$xrel,$yrel,$xmin,$xmax,$ymin,$ymax,$pointname)=@_;	my ($id,$variable,$xrel,$yrel,$xmin,$xmax,$ymin,$ymax,$pointname,$fixed)=@_;
my $xvariable=$variable.'x';	my $xvariable=$variable.'x';
my $yvariable=$variable.'y';	my $yvariable=$variable.'y';
my $domain=$xmax-$xmin;	my $domain=$xmax-$xmin;
my $range=$ymax-$ymin;	my $range=$ymax-$ymin;
my $xinterval=$domain/100.;	my $xinterval=$domain/100.;
my $yinterval=$range/200.;	my $yinterval=$range/200.;
	my $mult=($fixed?'a*':'');
return (<<ENDSETSVARIABLE);	return (<<ENDSETSVARIABLE);
document.ggbApplet_$id.evalCommand("$xvariable=Slider[0,$domain,$xinterval]");	document.ggbApplet_$id.evalCommand("a=1");
	document.ggbApplet_$id.evalCommand("$xvariable=Slider[$xinterval,$domain,$xinterval]");
document.ggbApplet_$id.setVisible("$xvariable", false);	document.ggbApplet_$id.setVisible("$xvariable", false);
document.ggbApplet_$id.evalCommand("$xvariable=$xrel");	document.ggbApplet_$id.evalCommand("$xvariable=$xrel");
document.ggbApplet_$id.evalCommand("$yvariable=Slider[-$range,$range,$yinterval]");	document.ggbApplet_$id.evalCommand("$yvariable=Slider[-$range,$range,$yinterval]");
document.ggbApplet_$id.setVisible("$yvariable", false);	document.ggbApplet_$id.setVisible("$yvariable", false);
document.ggbApplet_$id.evalCommand("$yvariable=$yrel");	document.ggbApplet_$id.evalCommand("$yvariable=$yrel");
document.ggbApplet_$id.evalCommand("$variable=($xvariable+x($pointname),$yvariable+y($pointname))");	document.ggbApplet_$id.evalCommand("$variable=$mult($xvariable+x($pointname),$yvariable+y($pointname))");
document.ggbApplet_$id.setLabelVisible("$variable", false);	document.ggbApplet_$id.setLabelVisible("$variable", false);
ENDSETSVARIABLE	ENDSETSVARIABLE
}	}
Line 215 sub generate_input_field {	Line 228 sub generate_input_field {
# Initialize a new point coordinate variable at set a listener on it	# Initialize a new point coordinate variable at set a listener on it
#	#
sub new_point_coordinate {	sub new_point_coordinate {
my ($id,$variable,$x,$y)=@_;	my ($id,$variable,$x,$y,$fixed)=@_;
if (defined($Apache::functionplotresponse::previous{&field_name($id,$variable,'x')})) {	if (defined($Apache::functionplotresponse::previous{&field_name($id,$variable,'x')})) {
$x=$Apache::functionplotresponse::previous{&field_name($id,$variable,'x')};	$x=$Apache::functionplotresponse::previous{&field_name($id,$variable,'x')};
}	}
Line 223 sub new_point_coordinate {	Line 236 sub new_point_coordinate {
$y=$Apache::functionplotresponse::previous{&field_name($id,$variable,'y')};	$y=$Apache::functionplotresponse::previous{&field_name($id,$variable,'y')};
}	}
&generate_input_field($id,$variable,$x,$y);	&generate_input_field($id,$variable,$x,$y);
return &set_point_coordinate($id,$variable,$x,$y).&update_register($id,$variable);	return &set_point_coordinate($id,$variable,$x,$y,$fixed).&update_register($id,$variable);
}	}

#	#
# Initialize a new slope coordinate variable at set a listener on it	# Initialize a new slope coordinate variable at set a listener on it
#	#
sub new_slope_coordinate {	sub new_slope_coordinate {
my ($id,$variable,$x,$y,$pointname,$xp,$yp,$xmin,$xmax,$ymin,$ymax)=@_;	my ($id,$variable,$x,$y,$pointname,$xp,$yp,$xmin,$xmax,$ymin,$ymax,$fixed)=@_;
#	#
# $variable: name of the slope point	# $variable: name of the slope point
# $x, $y: coordinates of the slope point	# $x, $y: coordinates of the slope point
Line 253 sub new_slope_coordinate {	Line 266 sub new_slope_coordinate {
&generate_input_field($id,$variable,$x,$y);	&generate_input_field($id,$variable,$x,$y);
my $xrel=$x-$xp;	my $xrel=$x-$xp;
my $yrel=$y-$yp;	my $yrel=$y-$yp;
return &set_slope_coordinate($id,$variable,$xrel,$yrel,$xmin,$xmax,$ymin,$ymax,$pointname).&update_register($id,$variable);	return &set_slope_coordinate($id,$variable,$xrel,$yrel,$xmin,$xmax,$ymin,$ymax,$pointname,$fixed).&update_register($id,$variable);
}	}

#	#
Line 295 ENDAXESSCRIPT	Line 308 ENDAXESSCRIPT
}	}

sub axes_label {	sub axes_label {
my ($id,$xlabel,$ylabel)=@_;	my ($id,$xmin,$xmax,$ymin,$ymax,$xlabel,$ylabel)=@_;
unless ($xlabel \|\| $ylabel) { return ''; }	unless ($xlabel \|\| $ylabel) { return ''; }
my $return='document.ggbApplet_'.$id.'.evalCommand("topRight=Corner[3]");';	my $return='document.ggbApplet_'.$id.'.evalCommand("topRight=Corner[3]");';
if ($xlabel) {	if ($xlabel) {
	if (($ymin<0) && ($ymax>0)) {
$return.=(<<ENDXAXISLABELSCRIPT);	$return.=(<<ENDXAXISLABELSCRIPT);
document.ggbApplet_$id.evalCommand("Xlabel=(x(topRight)-AxisStepX[],AxisStepY[]/6)");	document.ggbApplet_$id.evalCommand("Xlabel=(x(topRight)-AxisStepX[],AxisStepY[]/6)");
document.ggbApplet_$id.setVisible("Xlabel",false);	document.ggbApplet_$id.setVisible("Xlabel",false);
document.ggbApplet_$id.evalCommand("Text[\\"$xlabel\\", Xlabel]");	document.ggbApplet_$id.evalCommand("Text[\\"$xlabel\\", Xlabel]");
ENDXAXISLABELSCRIPT	ENDXAXISLABELSCRIPT
	} else {
	$return.=(<<ENDXOFFAXISLABEL);
	document.ggbApplet_$id.evalCommand("LowerRight=Corner[2]");
	document.ggbApplet_$id.evalCommand("Text[\\"$xlabel\\", (x(LowerRight) - AxisStepX[], y(LowerRight) + AxisStepY[] / 2)]");
	ENDXOFFAXISLABEL
	}
}	}
if ($ylabel) {	if ($ylabel) {
	if (($xmin<0) && ($xmax>0)) {
$return.=(<<ENDYAXISLABELSCRIPT);	$return.=(<<ENDYAXISLABELSCRIPT);
document.ggbApplet_$id.evalCommand("Ylabel=(AxisStepX[]/6,y(topRight)-AxisStepY[]/3)");	document.ggbApplet_$id.evalCommand("Ylabel=(AxisStepX[]/6,y(topRight)-AxisStepY[]/3)");
document.ggbApplet_$id.setVisible("Ylabel",false);	document.ggbApplet_$id.setVisible("Ylabel",false);
document.ggbApplet_$id.evalCommand("Text[\\"$ylabel\\", Ylabel]");	document.ggbApplet_$id.evalCommand("Text[\\"$ylabel\\", Ylabel]");
ENDYAXISLABELSCRIPT	ENDYAXISLABELSCRIPT
	} else {
	$return.=(<<ENDYOFFAXISLABEL);
	document.ggbApplet_$id.evalCommand("UpperLeft=Corner[4]");
	document.ggbApplet_$id.evalCommand("Text[\\"$ylabel\\", (x(UpperLeft) + AxisStepX[] / 5, y(UpperLeft) - AxisStepY[] / 1.8)]");
	ENDYOFFAXISLABEL
	}
}	}
return $return;	return $return;
}	}

	#
	# Subroutine to produce background and answer plots
	#

sub plot_script {	sub plot_script {
my ($id,$function,$fixed,$label,$xmin,$xmax)=@_;	my ($id,$function,$fixed,$label,$color,$xmin,$xmax,$thickness)=@_;
$label=~s/\W//g;	$label=~s/\W//g;
if (($label) && ($label!~/^[A-Za-z]/)) {	if (($label) && ($label!~/^[A-Za-z]/)) {
$label='C'.$label;	$label='C'.$label;
Line 328 sub plot_script {	Line 359 sub plot_script {
$Apache::functionplotresponse::counter++;	$Apache::functionplotresponse::counter++;
$label='C'.$Apache::functionplotresponse::counter;	$label='C'.$Apache::functionplotresponse::counter;
}	}
	my $rc=0;
	my $gc=0;
	my $bc=0;
	if ($color) {
	my ($rh,$gh,$bh)=($color=~/(..)(..)(..)/);
	$rc=hex($rh);
	$gc=hex($gh);
	$bc=hex($bh);
	}
if ($fixed) {	if ($fixed) {
return "document.ggbApplet_$id.evalCommand('$label=Function[$function,$xmin,$xmax]')".	return "document.ggbApplet_$id.evalCommand('$label=Function[$function,$xmin,$xmax]');\n".
($visible?'':"document.ggbApplet.setLabelVisible('$label', false);");	($visible?'':"document.ggbApplet_$id.setLabelVisible('$label', false);\n").
	($color?"document.ggbApplet_$id.setColor('$label',$rc,$gc,$bc);\n":'').
	($thickness?"document.ggbApplet_$id.setLineThickness('$label',$thickness);\n":'');
} else {	} else {
return "document.ggbApplet_$id.evalCommand('y=$function')";	return "document.ggbApplet_$id.evalCommand('y=$function');\n";
}	}
}	}

#	#
	# Answer spline display
	#
	# points: x,y,slope_x,slope_y

	sub answer_spline_script {
	my ($id,@points)=@_;
	my $order=int(($#points+1)/4);
	if ($order<2) { $order=2; }
	if ($order>8) { $order=8; }
	$Apache::functionplotresponse::counter++;
	my $label='CSpline'.$Apache::functionplotresponse::counter;
	my $output='document.ggbApplet_'.$id.'.evalCommand("'.$label.'=Spline'.$order.'[';
	for (my $i=0;$i<=$#points;$i+=4) {
	$output.="($points[$i],$points[$i+1]),($points[$i+2],$points[$i+3]),";
	}
	$output=~s/\,$//;
	$output.=']");'."\n";
	for (my $i=2; $i<2*$order; $i+=2) {
	$output.='document.ggbApplet_'.$id.'.setColor("'.$label.'_'.($i>=10?'{':'').$i.($i>=10?'}':'').'",0,170,0);'."\n";
	}
	for (my $i=1; $i<2*$order; $i+=2) {
	$output.='document.ggbApplet_'.$id.'.setVisible("'.$label.'_'.($i>=10?'{':'').$i.($i>=10?'}':'').'",false);'."\n";
	}

	return $output;
	}

	#
# Subroutine that generates code for spline $label based on stored information	# Subroutine that generates code for spline $label based on stored information
#	#

sub generate_spline {	sub generate_spline {
my ($id,$label,$xmin,$xmax,$ymin,$ymax)=@_;	my ($id,$label,$xmin,$xmax,$ymin,$ymax,$fixed)=@_;
my $result='';	my $result='';
my $order=$Apache::functionplotresponse::splineorder{$label};	my $order=$Apache::functionplotresponse::splineorder{$label};
my $x=$Apache::functionplotresponse::splineinitx{$label};	my $x=$Apache::functionplotresponse::splineinitx{$label};
Line 350 sub generate_spline {	Line 420 sub generate_spline {
my $sy=$Apache::functionplotresponse::splinescaley{$label};	my $sy=$Apache::functionplotresponse::splinescaley{$label};
my @coords=();	my @coords=();
foreach my $i (1..$order) {	foreach my $i (1..$order) {
$result.=&new_point_coordinate($id,$label.'P'.$i,$x,$y);	$result.=&new_point_coordinate($id,$label.'P'.$i,$x,$y,$fixed);
my $xp=$x;	my $xp=$x;
$x+=$sx/(2.*($order-1));	$x+=$sx/(2.*($order-1));
push(@coords,$label.'P'.$i);	push(@coords,$label.'P'.$i);
$result.=&new_slope_coordinate($id,$label.'S'.$i,$x,$y+$sy,$label.'P'.$i,$xp,$y,$xmin,$xmax,$ymin,$ymax);	$result.=&new_slope_coordinate($id,$label.'S'.$i,$x,$y+$sy,$label.'P'.$i,$xp,$y,$xmin,$xmax,$ymin,$ymax,$fixed);
$x+=$sx/(2.*($order-1));	$x+=$sx/(2.*($order-1));
push(@coords,$label.'S'.$i);	push(@coords,$label.'S'.$i);
}	}
Line 369 sub start_backgroundplot {	Line 439 sub start_backgroundplot {
my $result='';	my $result='';
my $internalid = $Apache::inputtags::part.'_'.$Apache::inputtags::response[-1];	my $internalid = $Apache::inputtags::part.'_'.$Apache::inputtags::response[-1];
my $function=&Apache::lonxml::get_param('function',$parstack,$safeeval);	my $function=&Apache::lonxml::get_param('function',$parstack,$safeeval);
	my $xinitial=&Apache::lonxml::get_param('xinitial',$parstack,$safeeval);
	my $xfinal=&Apache::lonxml::get_param('xfinal',$parstack,$safeeval);
my $label=&Apache::lonxml::get_param('label',$parstack,$safeeval);	my $label=&Apache::lonxml::get_param('label',$parstack,$safeeval);
	my $color=&Apache::lonxml::get_param('color',$parstack,$safeeval);
	$color=~s/[^a-fA-F0-9]//gs;
	unless (length($color)==6) { $color=''; }
my $fixed=(&Apache::lonxml::get_param('fixed',$parstack,$safeeval)=~/on\|true\|yes\|1/i?1:0);	my $fixed=(&Apache::lonxml::get_param('fixed',$parstack,$safeeval)=~/on\|true\|yes\|1/i?1:0);

unless ($function) { $function="0"; }	unless ($function) { $function="0"; }
if ($target eq 'web') {	if ($target eq 'web') {
my ($xmin,$xmax,$ymin,$ymax)=&boundaries($parstack,$safeeval,-3);	my ($xmin,$xmax,$ymin,$ymax)=&boundaries($parstack,$safeeval,-3);
$result.=&plot_script($internalid,$function,$fixed,$label,$xmin,$xmax);	unless (defined($xinitial)) { $xinitial=$xmin; }
	unless (defined($xfinal)) { $xfinal=$xmax; }
	$result.=&plot_script($internalid,$function,$fixed,$label,$color,$xinitial,$xfinal);
} elsif ($target eq 'edit') {	} elsif ($target eq 'edit') {
$result=&Apache::edit::tag_start($target,$token,'Background Function Plot').	$result=&Apache::edit::tag_start($target,$token,'Background Function Plot').
&Apache::edit::text_arg('Function:','function',	&Apache::edit::text_arg('Function:','function',
$token,'16').	$token,'16').
	&Apache::edit::text_arg('Initial x-value (optional):','xinitial',
	$token,'8').
	&Apache::edit::text_arg('Final x-value (optional):','xfinal',
	$token,'8').
&Apache::edit::text_arg('Label on Plot:','label',	&Apache::edit::text_arg('Label on Plot:','label',
$token,'8').	$token,'8').
	&Apache::edit::text_arg('Color (hex code):','color',
	$token,'8').
&Apache::edit::select_arg('Fixed location:','fixed',	&Apache::edit::select_arg('Fixed location:','fixed',
['yes','no'],$token).	['yes','no'],$token).
&Apache::edit::end_row();	&Apache::edit::end_row();
} elsif ($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,
$safeeval,'function','label','fixed');	$safeeval,'function','label','xinitial','xfinal','color','fixed');
if ($constructtag) { $result=&Apache::edit::rebuild_tag($token); }	if ($constructtag) { $result=&Apache::edit::rebuild_tag($token); }
}	}
return $result;	return $result;
Line 467 sub start_functionplotrule {	Line 550 sub start_functionplotrule {
['1','First derivative'],	['1','First derivative'],
['2','Second derivative'],	['2','Second derivative'],
['-1','Integral']],$token).'<br />'.	['-1','Integral']],$token).'<br />'.
&Apache::edit::text_arg('(Initial) x-value:','xinitial',	&Apache::edit::text_arg('Initial x-value:','xinitial',
$token,'8').	$token,'8').
&Apache::edit::select_or_text_arg('(Initial) x-value label:','xinitiallabel',	&Apache::edit::select_or_text_arg('Initial x-value label:','xinitiallabel',
[['start','Start of Plot']],$token,'8').'<br />'.	[['start','Start of Plot'],
	['end','End of Plot']],$token,'8').'<br />'.

&Apache::edit::text_arg('Optional final x-value for ranges:','xfinal',	&Apache::edit::text_arg('Final x-value (optional):','xfinal',
$token,'8').	$token,'8').
&Apache::edit::select_or_text_arg('Optional final x-value label:','xfinallabel',	&Apache::edit::select_or_text_arg('Final x-value label (optional):','xfinallabel',
[['end','End of Plot']],$token,'8').'<br />'.	[['end','End of Plot']],$token,'8').'<br />'.
&Apache::edit::text_arg('Optional minimum length for range:','minimumlength',	&Apache::edit::text_arg('Minimum length for range (optional):','minimumlength',
$token,'8').	$token,'8').
&Apache::edit::text_arg('Optional maximum length for range:','maximumlength',	&Apache::edit::text_arg('Maximum length for range (optional):','maximumlength',
$token,'8').'<br />'.	$token,'8').'<br />'.
&Apache::edit::select_or_text_arg(&mt('Relationship:'),'relationship',	&Apache::edit::select_or_text_arg(&mt('Relationship:'),'relationship',
[['eq','equal'],	[['eq','equal'],
Line 488 sub start_functionplotrule {	Line 572 sub start_functionplotrule {
['lt','less than'],	['lt','less than'],
['le','less than or equal']],$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').	$token,'8').
&Apache::edit::end_row();	&Apache::edit::end_row();
} elsif ($target eq 'modified') {	} elsif ($target eq 'modified') {
	if (($env{'form.'.&Apache::edit::html_element_name('xinitial')} ne '') && ($env{'form.'.&Apache::edit::html_element_name('xinitiallabel')} eq 'start')) {
	$env{'form.'.&Apache::edit::html_element_name('xinitiallabel')}='';
	}
	if (($env{'form.'.&Apache::edit::html_element_name('xfinal')} ne '') && ($env{'form.'.&Apache::edit::html_element_name('xfinallabel')} eq 'end')) {
	$env{'form.'.&Apache::edit::html_element_name('xfinallabel')}='';
	}
my $constructtag=&Apache::edit::get_new_args($token,$parstack,	my $constructtag=&Apache::edit::get_new_args($token,$parstack,
$safeeval,'index','derivativeorder',	$safeeval,'index','derivativeorder',
'xinitial','xinitiallabel','xfinal','xfinallabel',	'xinitial','xinitiallabel','xfinal','xfinallabel',
Line 562 sub start_spline {	Line 652 sub start_spline {
&Apache::edit::text_arg('Index:','index',	&Apache::edit::text_arg('Index:','index',
$token,'4').' '.	$token,'4').' '.
&Apache::edit::select_arg('Order:','order',	&Apache::edit::select_arg('Order:','order',
['2','3','4','5','6','7','8','9'],$token).' '.	['2','3','4','5','6','7','8'],$token).' '.
&Apache::edit::text_arg('Initial x-value:','initx',	&Apache::edit::text_arg('Initial x-value:','initx',
$token,'4').' '.	$token,'4').' '.
&Apache::edit::text_arg('Initial y-value:','inity',	&Apache::edit::text_arg('Initial y-value:','inity',
Line 670 sub array_index {	Line 760 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 698 sub populate_arrays {	Line 788 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 773 sub start_functionplotresponse {	Line 870 sub start_functionplotresponse {
.'<tr><td><span class="LC_nobreak">'.&mt('Function Plot Question').'</span></td>'	.'<tr><td><span class="LC_nobreak">'.&mt('Function Plot Question').'</span></td>'
.'<td><span class="LC_nobreak">'.&mt('Delete?').' '	.'<td><span class="LC_nobreak">'.&mt('Delete?').' '
.&Apache::edit::deletelist($target,$token).'   '	.&Apache::edit::deletelist($target,$token).'   '
.&Apache::edit::insertlist($target,$token)	.&Apache::edit::insertlist($target,$token).'   '
	.&Apache::loncommon::help_open_topic('Function_Plot_Response_Question','Function Plot Responses')
.'</span></td>'	.'</span></td>'
."<td> "	."<td> "
.&Apache::edit::end_row()	.&Apache::edit::end_row()
Line 796 sub start_functionplotresponse {	Line 894 sub start_functionplotresponse {
&Apache::edit::select_arg('y-axis visible:','yaxisvisible',	&Apache::edit::select_arg('y-axis visible:','yaxisvisible',
['yes','no'],$token).'<br />'.	['yes','no'],$token).'<br />'.
&Apache::edit::select_arg('Grid visible:','gridvisible',	&Apache::edit::select_arg('Grid visible:','gridvisible',
['yes','no'],$token).	['yes','no'],$token).'<br />'.
	&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',$token,'50').
&Apache::edit::end_row().&Apache::edit::start_spanning_row();	&Apache::edit::end_row().&Apache::edit::start_spanning_row();
} elsif ($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,
$safeeval,'xlabel','xmin','xmax','ylabel','ymin','ymax',	$safeeval,'xlabel','xmin','xmax','ylabel','ymin','ymax',
'xaxisvisible','yaxisvisible','gridvisible');	'xaxisvisible','yaxisvisible','gridvisible','answerdisplay');
if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }	if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }

} elsif ($target eq 'meta') {	} elsif ($target eq 'meta') {
Line 881 sub compare_rel {	Line 981 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 888 sub actualval {	Line 989 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 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))) {
	&addlog("Minimumlength $minimumlength Maximumlength $maximumlength");
	}
my $li=0;	my $li=0;
my $lh=400;	my $lh=400;

Line 991 sub functionplotrulecheck {	Line 1136 sub functionplotrulecheck {
&addlog("Actual value ".(defined($val)?$val:'undef').", expected $value, tolerance $tol");	&addlog("Actual value ".(defined($val)?$val:'undef').", expected $value, tolerance $tol");
&addlog("Condition not fulfilled at x=".&actualval($i,$xmin,$xmax)." (".$Apache::functionplotresponse::actualxval[$i]."; index $i)");	&addlog("Condition not fulfilled at x=".&actualval($i,$xmin,$xmax)." (".$Apache::functionplotresponse::actualxval[$i]."; index $i)");
if (($findupper) && ($i>$li)) {	if (($findupper) && ($i>$li)) {
# check for minimum and maximum lengths	# Check lengths
my $length=&actualval($i,$xmin,$xmax)-&actualval($li,$xmin,$xmax);	unless (&checklength($i,$li,$minimumlength,$maximumlength,$xmin,$xmax,$label)) { return 0; }
if ($minimumlength) {	# Successfully found a new label, set it
if ($length<$minimumlength) {
&addlog("Rule $label failed, actual length $length, minimum length $minimumlength");
return 0;
}
}
if ($maximumlength) {
if ($length>$maximumlength) {
&addlog("Rule $label failed, actual length $length, maximum length $maximumlength");
return 0;
}
}
$Apache::functionplotresponse::functionplotrulelabels{$xfinallabel}=$i;	$Apache::functionplotresponse::functionplotrulelabels{$xfinallabel}=$i;
&addlog("Rule $label passed, setting label $xfinallabel");	&addlog("Rule $label passed, setting label $xfinallabel");
return 1;	return 1;
} else {	} else {
&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 $hintlabel");
return 0;	return 0;
}	}
}	}
}	}
}	}
	# Corner case where this makes sense: using start or stop as defined labels
	unless (&checklength($lh,$li,$minimumlength,$maximumlength,$xmin,$xmax,$label)) { return 0; }
&addlog("Rule $label passed.");	&addlog("Rule $label passed.");
return 1;	return 1;
}	}

	#
	# check for minimum and maximum lengths
	#

	sub checklength {
	my ($i,$li,$minimumlength,$maximumlength,$xmin,$xmax,$label)=@_;
	unless (($minimumlength) \|\| ($maximumlength)) { return 1; }
	my $length=&actualval($i,$xmin,$xmax)-&actualval($li,$xmin,$xmax);
	if ($minimumlength) {
	if ($length<$minimumlength) {
	&addlog("Rule $label failed, actual length $length, minimum length $minimumlength");
	&setfailed($label);
	return 0;
	}
	}
	if ($maximumlength) {
	if ($length>$maximumlength) {
	&addlog("Rule $label failed, actual length $length, maximum length $maximumlength");
	&setfailed($label);
	return 0;
	}
	}
	return 1;
	}

	sub setfailed {
	my ($label)=@_;
	my $hintlabel=$label;
	$hintlabel=~s/^R//;
	push(@Apache::functionplotresponse::failedrules,$hintlabel);
	&addlog("Set hint condition $hintlabel");
	}

sub start_functionplotruleset {	sub start_functionplotruleset {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
if ($target eq 'edit') {	if ($target eq 'edit') {
Line 1030 sub start_functionplotruleset {	Line 1196 sub start_functionplotruleset {
'<tr><td><span class="LC_nobreak">'.&mt('Function Plot Rule Set').'</span></td>'	'<tr><td><span class="LC_nobreak">'.&mt('Function Plot Rule Set').'</span></td>'
.'<td><span class="LC_nobreak">'.&mt('Delete?').' '	.'<td><span class="LC_nobreak">'.&mt('Delete?').' '
.&Apache::edit::deletelist($target,$token).'   '.	.&Apache::edit::deletelist($target,$token).'   '.
&Apache::edit::insertlist($target,$token)	&Apache::edit::insertlist($target,$token).'   '
	.&Apache::loncommon::help_open_topic('Function_Plot_Response_Rule_Set','Function Plot Rules')
.'</span></td>'	.'</span></td>'
."<td> "	."<td> "
.&Apache::edit::end_row()	.&Apache::edit::end_row()
Line 1060 sub end_functionplotruleset {	Line 1227 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 1070 sub end_functionplotruleset {	Line 1237 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';	$ad='INCORRECT';
last;	last;
}	}
Line 1132 sub end_functionplotelements {	Line 1299 sub end_functionplotelements {
if ($target eq 'edit' ) {	if ($target eq 'edit' ) {
$result=&Apache::edit::end_table();	$result=&Apache::edit::end_table();
} elsif ($target eq 'web') {	} elsif ($target eq 'web') {
# Now is the time to render all of the stored splines
my ($xmin,$xmax,$ymin,$ymax)=&boundaries($parstack,$safeeval,-2);	my ($xmin,$xmax,$ymin,$ymax)=&boundaries($parstack,$safeeval,-2);

	# Are we in show answer mode?
	my $showanswer=&Apache::response::show_answer();
	if ($showanswer) {
	# Render answerdisplay
	my $answerdisplay=&Apache::lonxml::get_param('answerdisplay',$parstack,$safeeval,-2);
	if ($answerdisplay=~/\S/s) {
	foreach my $plot (split(/\s\,\s/,$answerdisplay)) {
	my @components=split(/\s\:\s/,$plot);
	if ($#components<3) {
	# Just a simple plot
	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);
	}
	}
	}
	}
	my $fixed=0;
	if (($showanswer) \|\| (&Apache::response::check_status()>=2)) { $fixed=1; }
	# Now is the time to render all of the stored splines
foreach my $label (keys(%Apache::functionplotresponse::splineorder)) {	foreach my $label (keys(%Apache::functionplotresponse::splineorder)) {
$result.=&generate_spline($internalid,$label,$xmin,$xmax,$ymin,$ymax);	$result.=&generate_spline($internalid,$label,$xmin,$xmax,$ymin,$ymax,$fixed);
}	}
# close the init script	# close the init script
$result.=&end_init_script();	$result.=&end_init_script();
Line 1191 sub start_functionplotelements {	Line 1382 sub start_functionplotelements {
'<tr><td><span class="LC_nobreak">'.&mt('Function Plot Elements').'</span></td>'	'<tr><td><span class="LC_nobreak">'.&mt('Function Plot Elements').'</span></td>'
.'<td><span class="LC_nobreak">'.&mt('Delete?').' '	.'<td><span class="LC_nobreak">'.&mt('Delete?').' '
.&Apache::edit::deletelist($target,$token).'   '.	.&Apache::edit::deletelist($target,$token).'   '.
&Apache::edit::insertlist($target,$token)	&Apache::edit::insertlist($target,$token).'   '
	.&Apache::loncommon::help_open_topic('Function_Plot_Response_Elements','Function Plot Elements')
.'</span></td>'	.'</span></td>'
."<td> "	."<td> "
.&Apache::edit::end_row()	.&Apache::edit::end_row()
Line 1212 sub start_functionplotelements {	Line 1404 sub start_functionplotelements {
$result.=&start_init_script($internalid);	$result.=&start_init_script($internalid);
# put the axis commands inside	# put the axis commands inside
$result.=&axes_script($internalid,$xmin,$xmax,$ymin,$ymax,$xaxisvisible,$yaxisvisible,$gridvisible);	$result.=&axes_script($internalid,$xmin,$xmax,$ymin,$ymax,$xaxisvisible,$yaxisvisible,$gridvisible);
$result.=&axes_label($internalid,$xlabel,$ylabel);	$result.=&axes_label($internalid,$xmin,$xmax,$ymin,$ymax,$xlabel,$ylabel);
# init script is left open	# init script is left open
}	}
return $result;	return $result;

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>

Removed from v.1.42
changed lines
	Added in v.1.69