loncom/homework/functionplotresponse.pm - diff

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Diff for /loncom/homework/functionplotresponse.pm between versions 1.30 and 1.46

version 1.30, 2010/11/09 02:29:52	version 1.46, 2010/11/23 23:55:01
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;

BEGIN {	BEGIN {
&Apache::lonxml::register('Apache::functionplotresponse',('functionplotresponse','backgroundplot','spline','functionplotrule'));	&Apache::lonxml::register('Apache::functionplotresponse',('functionplotresponse','backgroundplot','spline',
	'functionplotrule','functionplotruleset',
	'functionplotelements'));
}	}

#	#
Line 45 sub geogebra_startcode {	Line 47 sub geogebra_startcode {
my ($id)=@_;	my ($id)=@_;
return (<<ENDSTARTCODE);	return (<<ENDSTARTCODE);
<applet name="ggbApplet_$id" code="geogebra.GeoGebraApplet" archive="geogebra.jar"	<applet name="ggbApplet_$id" code="geogebra.GeoGebraApplet" archive="geogebra.jar"
codebase="/adm/geogebra/" width="714" height="447" MAYSCRIPT>	codebase="/adm/geogebra/" width="722" height="447" MAYSCRIPT>
<param name="java_arguments" value="-Xmx512m -Djnlp.packEnabled=true"/>	<param name="java_arguments" value="-Xmx512m -Djnlp.packEnabled=true"/>
ENDSTARTCODE	ENDSTARTCODE
}	}
Line 59 sub geogebra_endcode {	Line 61 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 72 sub geogebra_default_parameters {	Line 74 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="java_arguments" value="-Xmx512m" />	<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_properties.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="3.2.44.0, 3.2.44.0, 3.2.44.0, 3.2.44.0, 3.2.44.0, 3.2.44.0" />
<param name="framePossible" value="false" />	<param name="framePossible" value="false" />

<param name="showResetIcon" value="false" />	<param name="showResetIcon" value="false" />
Line 157 sub update_register {	Line 158 sub update_register {
}	}

#	#
# Set a coordinate variable	# Set a point coordinate variable
#	#
sub set_coordinate {	sub set_point_coordinate {
my ($id,$variable,$x,$y)=@_;	my ($id,$variable,$x,$y)=@_;
return (<<ENDSETVARIABLE);	return (<<ENDSETVARIABLE);
document.ggbApplet_$id.evalCommand("$variable=($x,$y)");	document.ggbApplet_$id.evalCommand("$variable=($x,$y)");
	document.ggbApplet_$id.setLabelVisible("$variable",false);
ENDSETVARIABLE	ENDSETVARIABLE
}	}

#	#
	# Set a slope coordinate variable
	#
	sub set_slope_coordinate {
	my ($id,$variable,$xrel,$yrel,$xmin,$xmax,$ymin,$ymax,$pointname)=@_;
	my $xvariable=$variable.'x';
	my $yvariable=$variable.'y';
	my $domain=$xmax-$xmin;
	my $range=$ymax-$ymin;
	my $xinterval=$domain/100.;
	my $yinterval=$range/200.;
	return (<<ENDSETSVARIABLE);
	document.ggbApplet_$id.evalCommand("$xvariable=Slider[0,$domain,$xinterval]");
	document.ggbApplet_$id.setVisible("$xvariable", false);
	document.ggbApplet_$id.evalCommand("$xvariable=$xrel");
	document.ggbApplet_$id.evalCommand("$yvariable=Slider[-$range,$range,$yinterval]");
	document.ggbApplet_$id.setVisible("$yvariable", false);
	document.ggbApplet_$id.evalCommand("$yvariable=$yrel");
	document.ggbApplet_$id.evalCommand("$variable=($xvariable+x($pointname),$yvariable+y($pointname))");
	document.ggbApplet_$id.setLabelVisible("$variable", false);
	ENDSETSVARIABLE
	}

	#
# Input field name for a coordinate variable	# Input field name for a coordinate variable
#	#

Line 187 sub generate_input_field {	Line 212 sub generate_input_field {
}	}

#	#
# Initialize a new coordinate variable at set a listener on it	# Initialize a new point coordinate variable at set a listener on it
#	#
sub new_coordinate {	sub new_point_coordinate {
my ($id,$variable,$x,$y)=@_;	my ($id,$variable,$x,$y)=@_;
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 198 sub new_coordinate {	Line 223 sub new_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_coordinate($id,$variable,$x,$y).&update_register($id,$variable);	return &set_point_coordinate($id,$variable,$x,$y).&update_register($id,$variable);
	}

	#
	# Initialize a new slope coordinate variable at set a listener on it
	#
	sub new_slope_coordinate {
	my ($id,$variable,$x,$y,$pointname,$xp,$yp,$xmin,$xmax,$ymin,$ymax)=@_;
	#
	# $variable: name of the slope point
	# $x, $y: coordinates of the slope point
	# $pointname: name of the associated point point
	# $xp $yp: coordinates of the point point
	#
	if (defined($Apache::functionplotresponse::previous{&field_name($id,$variable,'x')})) {
	$x=$Apache::functionplotresponse::previous{&field_name($id,$variable,'x')};
	}
	if (defined($Apache::functionplotresponse::previous{&field_name($id,$variable,'y')})) {
	$y=$Apache::functionplotresponse::previous{&field_name($id,$variable,'y')};
	}
	if (defined($Apache::functionplotresponse::previous{&field_name($id,$pointname,'x')})) {
	$xp=$Apache::functionplotresponse::previous{&field_name($id,$pointname,'x')};
	}
	if (defined($Apache::functionplotresponse::previous{&field_name($id,$pointname,'y')})) {
	$yp=$Apache::functionplotresponse::previous{&field_name($id,$pointname,'y')};
	}

	&generate_input_field($id,$variable,$x,$y);
	my $xrel=$x-$xp;
	my $yrel=$y-$yp;
	return &set_slope_coordinate($id,$variable,$xrel,$yrel,$xmin,$xmax,$ymin,$ymax,$pointname).&update_register($id,$variable);
}	}

#	#
Line 240 ENDAXESSCRIPT	Line 295 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;
}	}

sub plot_script {	sub plot_script {
my ($id,$function,$fixed)=@_;	my ($id,$function,$fixed,$label,$color,$xmin,$xmax)=@_;
	$label=~s/\W//g;
	if (($label) && ($label!~/^[A-Za-z]/)) {
	$label='C'.$label;
	}
	my $visible=0;
	if ($label) {
	$visible="1";
	} else {
	$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) {
# Use stupid trick to nail this to a location	return "document.ggbApplet_$id.evalCommand('$label=Function[$function,$xmin,$xmax]');\n".
# Oddly, it seems like only one plot cannot be nailed to a location	($visible?'':"document.ggbApplet_$id.setLabelVisible('$label', false);\n").
# Non-nailed-down plots apparently get overwritten	($color?"document.ggbApplet_$id.setColor('$label',$rc,$gc,$bc);\n":'');
return (<<ENDPLOTSCRIPT);
document.ggbApplet_$id.evalCommand("a=1");
document.ggbApplet_$id.setVisible("a",false);
// This MUST be a DEPENDENT OBJECT in order to be locked down:
document.ggbApplet_$id.evalCommand("y=a*($function)");
ENDPLOTSCRIPT
} else {	} else {
return "document.ggbApplet_$id.evalCommand('y=$function')";	return "document.ggbApplet_$id.evalCommand('y=$function');\n";
}	}
}	}

Line 282 ENDPLOTSCRIPT	Line 365 ENDPLOTSCRIPT
#	#

sub generate_spline {	sub generate_spline {
my ($id,$label)=@_;	my ($id,$label,$xmin,$xmax,$ymin,$ymax)=@_;
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 291 sub generate_spline {	Line 374 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) {
$result.=&new_coordinate($id,$label.'P'.$i,$x,$y);	$result.=&new_point_coordinate($id,$label.'P'.$i,$x,$y);
	my $xp=$x;
$x+=$sx/(2.*($order-1));	$x+=$sx/(2.*($order-1));
push(@coords,$label.'P'.$i);	push(@coords,$label.'P'.$i);
$result.=&new_coordinate($id,$label.'S'.$i,$x,$y+$sy);	$result.=&new_slope_coordinate($id,$label.'S'.$i,$x,$y+$sy,$label.'P'.$i,$xp,$y,$xmin,$xmax,$ymin,$ymax);
$x+=$sx/(2.*($order-1));	$x+=$sx/(2.*($order-1));
push(@coords,$label.'S'.$i);	push(@coords,$label.'S'.$i);
}	}
Line 309 sub start_backgroundplot {	Line 393 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 $label=&Apache::lonxml::get_param('label',$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') {
$result.=&plot_script($internalid,$function,$fixed);	my ($xmin,$xmax,$ymin,$ymax)=&boundaries($parstack,$safeeval,-3);
	$result.=&plot_script($internalid,$function,$fixed,$label,$color,$xmin,$xmax);
} 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('Label on Plot:','label',
	$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','fixed');	$safeeval,'function','label','color','fixed');
if ($constructtag) { $result=&Apache::edit::rebuild_tag($token); }	if ($constructtag) { $result=&Apache::edit::rebuild_tag($token); }
}	}
return $result;	return $result;
Line 376 sub start_functionplotrule {	Line 469 sub start_functionplotrule {
&Apache::lonxml::warning(&mt('Rule relationship not defined.'));	&Apache::lonxml::warning(&mt('Rule relationship not defined.'));
$relationship='eq';	$relationship='eq';
}	}
my $derivative=&Apache::lonxml::get_param('derivative',$parstack,$safeeval);	my $derivative=&Apache::lonxml::get_param('derivativeorder',$parstack,$safeeval);
unless (($derivative==0) \|\| ($derivative==1) \|\| ($derivative==2)) {	unless (($derivative==-1) \|\| ($derivative==0) \|\| ($derivative==1) \|\| ($derivative==2)) {
&Apache::lonxml::warning(&mt('Rule derivative not defined.'));	&Apache::lonxml::warning(&mt('Rule derivative not defined.'));
$derivative=0;	$derivative=0;
}	}
Line 388 sub start_functionplotrule {	Line 481 sub start_functionplotrule {
$beginninglabel,	$beginninglabel,
&Apache::lonxml::get_param('xfinal',$parstack,$safeeval),	&Apache::lonxml::get_param('xfinal',$parstack,$safeeval),
$endinglabel,	$endinglabel,
	&Apache::lonxml::get_param('minimumlength',$parstack,$safeeval),
	&Apache::lonxml::get_param('maximumlength',$parstack,$safeeval),
$relationship,	$relationship,
&Apache::lonxml::get_param('value',$parstack,$safeeval)	&Apache::lonxml::get_param('value',$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 Evaluation Rule').
&Apache::edit::text_arg('Index:','index',	&Apache::edit::text_arg('Index/Name:','index',
$token,'4').' '.	$token,'10').' '.
&Apache::edit::select_arg(&mt('Function:'),'derivative',	&Apache::edit::select_arg(&mt('Function:'),'derivativeorder',
[['0','Function itself'],	[['0','Function itself'],
['1','First derivative'],	['1','First derivative'],
['2','Second derivative']],$token).' '.	['2','Second derivative'],
	['-1','Integral']],$token).'<br />'.
&Apache::edit::text_arg('(Initial) x-value:','xinitial',	&Apache::edit::text_arg('Initial x-value:','xinitial',
$token,'4').	$token,'8').
&Apache::edit::select_or_text_arg('(Initial) x-value label:','xinitiallabel',	&Apache::edit::select_or_text_arg('Initial x-value label:','xinitiallabel',
[['start','Start of Plot']],$token,'8').' '.	[['start','Start of Plot'],
	['end','End of Plot']],$token,'8').'<br />'.
&Apache::edit::text_arg('Optional final x-value for ranges:','xfinal',
$token,'4').	&Apache::edit::text_arg('Final x-value (optional):','xfinal',
&Apache::edit::select_or_text_arg('Optional final x-value label:','xfinallabel',	$token,'8').
[['end','End of Plot']],$token,'8').' '.	&Apache::edit::select_or_text_arg('Final x-value label (optional):','xfinallabel',
	[['end','End of Plot']],$token,'8').'<br />'.
&Apache::edit::select_arg(&mt('Relationship:'),'relationship',	&Apache::edit::text_arg('Minimum length for range (optional):','minimumlength',
	$token,'8').
	&Apache::edit::text_arg('Maximum length for range (optional):','maximumlength',
	$token,'8').'<br />'.
	&Apache::edit::select_or_text_arg(&mt('Relationship:'),'relationship',
[['eq','equal'],	[['eq','equal'],
['ne','not equal'],	['ne','not equal'],
['ge','greater than or equal'],	['ge','greater than or equal'],
Line 418 sub start_functionplotrule {	Line 518 sub start_functionplotrule {
['lt','less than'],	['lt','less than'],
['le','less than or equal']],$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,'4').	[['undef','not defined']],$token,'8').
&Apache::edit::text_arg('Percent error:','percenterror',	&Apache::edit::text_arg('Percent error:','percenterror',
$token,'4').	$token,'8').
&Apache::edit::end_row();	&Apache::edit::end_row();
} elsif ($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,'index','derivative','xinitial','xinitiallabel','xfinal','xfinallabel','relationship',	$safeeval,'index','derivativeorder',
'value','percenterror');	'xinitial','xinitiallabel','xfinal','xfinallabel',
	'minimumlength','maximumlength',
	'relationship','value','percenterror');
if ($constructtag) { $result=&Apache::edit::rebuild_tag($token); }	if ($constructtag) { $result=&Apache::edit::rebuild_tag($token); }
}	}
return $result;	return $result;
Line 490 sub start_spline {	Line 592 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 557 sub get_answer_from_form_fields {	Line 659 sub get_answer_from_form_fields {

sub cubic_hermite {	sub cubic_hermite {
my ($t,$p1,$s1,$p2,$s2)=@_;	my ($t,$p1,$s1,$p2,$s2)=@_;
return (2.$t$t$t-3.$t$t+1.)$p1 + 5.($t$t$t-2.$t$t+$t)($s1-$p1)+	return (2.$t$t$t-3.$t$t+1.)$p1 + 3.($t$t$t-2.$t$t+$t)($s1-$p1)+
(-2.$t$t$t+3.$t$t) $p2 + 5.($t$t$t-$t$t) *($s2-$p2);	(-2.$t$t$t+3.$t$t) $p2 + 3.($t$t$t-$t$t) *($s2-$p2);
}	}

#	#
Line 567 sub cubic_hermite {	Line 669 sub cubic_hermite {

sub ddt_cubic_hermite {	sub ddt_cubic_hermite {
my ($t,$p1,$s1,$p2,$s2)=@_;	my ($t,$p1,$s1,$p2,$s2)=@_;
return (6.$t$t-6.$t) $p1 + 5.(3.$t$t-4.$t+1.)*($s1-$p1)+	return (6.$t$t-6.$t) $p1 + 3.(3.$t$t-4.$t+1.)*($s1-$p1)+
(-6.$t$t+6.$t)$p2 + 5.(3.$t$t-2.$t) *($s2-$p2);	(-6.$t$t+6.$t)$p2 + 3.(3.$t$t-2.$t) *($s2-$p2);
}	}

#	#
Line 577 sub ddt_cubic_hermite {	Line 679 sub ddt_cubic_hermite {

sub d2dt2_cubic_hermite {	sub d2dt2_cubic_hermite {
my ($t,$p1,$s1,$p2,$s2)=@_;	my ($t,$p1,$s1,$p2,$s2)=@_;
return (12.$t-6.) $p1 + 5.(6.$t-4.)*($s1-$p1)+	return (12.$t-6.) $p1 + 3.(6.$t-4.)*($s1-$p1)+
(-12.$t+6.)$p2 + 5.(6.$t-2.)*($s2-$p2);	(-12.$t+6.)$p2 + 3.(6.$t-2.)*($s2-$p2);
}	}

#	#
Line 586 sub d2dt2_cubic_hermite {	Line 688 sub d2dt2_cubic_hermite {
#	#
sub array_index {	sub array_index {
my ($xmin,$xmax,$x)=@_;	my ($xmin,$xmax,$x)=@_;
return int(($x-$xmin)/($xmax-$xmin)*400.+0.5);	if ($x ne '') {
	return int(($x-$xmin)/($xmax-$xmin)*400.+0.5);
	} else {
	return undef;
	}
}	}

#	#
Line 596 sub array_index {	Line 702 sub array_index {
sub populate_arrays {	sub populate_arrays {
my ($id,$xmin,$xmax)=@_;	my ($id,$xmin,$xmax)=@_;
for (my $i=0; $i<=400; $i++) {	for (my $i=0; $i<=400; $i++) {
	$Apache::functionplotresponse::actualxval[$i]=undef;
$Apache::functionplotresponse::func[$i]=undef;	$Apache::functionplotresponse::func[$i]=undef;
$Apache::functionplotresponse::dfuncdx[$i]=undef;	$Apache::functionplotresponse::dfuncdx[$i]=undef;
$Apache::functionplotresponse::d2funcd2x[$i]=undef;	$Apache::functionplotresponse::d2funcd2x[$i]=undef;
Line 617 sub populate_arrays {	Line 724 sub populate_arrays {
$env{'form.HWVAL_'.$id.'_'.$label.'S'.$ni.'_y'});	$env{'form.HWVAL_'.$id.'_'.$label.'S'.$ni.'_y'});
# Run in small steps over spline parameter	# Run in small steps over spline parameter
for (my $t=0; $t<=1; $t+=0.0001) {	for (my $t=0; $t<=1; $t+=0.0001) {
my $xi=&array_index($xmin,$xmax,&cubic_hermite($t,@xparms));	my $xreal=&cubic_hermite($t,@xparms);
	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'; }	if (defined($Apache::functionplotresponse::func[$xi])) { return 'no_func'; }
$xiold=$xi;	$xiold=$xi;
	$Apache::functionplotresponse::actualxval[$xi]=$xreal;
# Function value	# Function value
my $funcval=&cubic_hermite($t,@yparms);	my $funcval=&cubic_hermite($t,@yparms);
$Apache::functionplotresponse::func[$xi]=$funcval;	$Apache::functionplotresponse::func[$xi]=$funcval;
Line 638 sub populate_arrays {	Line 747 sub populate_arrays {
my $dxdt=&ddt_cubic_hermite($t,@xparms);	my $dxdt=&ddt_cubic_hermite($t,@xparms);
if ($dxdt) {	if ($dxdt) {
$Apache::functionplotresponse::dfuncdx[$xi]=&ddt_cubic_hermite($t,@yparms)/$dxdt;	$Apache::functionplotresponse::dfuncdx[$xi]=&ddt_cubic_hermite($t,@yparms)/$dxdt;
}	# Second derivative
# Faa di Bruno
# d^2y/dx^2=(d^2y/dt^2)/(dx/dt)^2+(dy/dt)/(d^2x/dt^2)
my $d2xdt2=&d2dt2_cubic_hermite($t,@xparms);
if (($dxdt) && ($d2xdt2)) {
$Apache::functionplotresponse::d2funcdx2[$xi]=	$Apache::functionplotresponse::d2funcdx2[$xi]=
&d2dt2_cubic_hermite($t,@yparms)/($dxdt*$dxdt)	($dxdt&d2dt2_cubic_hermite($t,@yparms)-&ddt_cubic_hermite($t,@yparms)&d2dt2_cubic_hermite($t,@xparms))/
+&ddt_cubic_hermite($t,@yparms)/$d2xdt2;	($dxdt$dxdt$dxdt);
}	}
}	}
}	}
Line 654 sub populate_arrays {	Line 759 sub populate_arrays {
}	}

#	#
# Implentation of <functionplotresponse>	# Implementation of <functionplotresponse>
#	#

sub start_functionplotresponse {	sub start_functionplotresponse {
Line 672 sub start_functionplotresponse {	Line 777 sub start_functionplotresponse {
$Apache::functionplotresponse::counter=0;	$Apache::functionplotresponse::counter=0;
# Remember rules	# Remember rules
undef @Apache::functionplotresponse::functionplotrules;	undef @Apache::functionplotresponse::functionplotrules;
	# Remember failed rules
	if ($target eq 'grade') {
	undef @Apache::functionplotresponse::failedrules;
	}
	# Delete previous awards
	undef $Apache::functionplotresponse::awarddetail;
# Part and ID	# Part and ID
my $partid=$Apache::inputtags::part;	my $partid=$Apache::inputtags::part;
my $id=&Apache::response::start_response($parstack,$safeeval);	my $id=&Apache::response::start_response($parstack,$safeeval);
Line 681 sub start_functionplotresponse {	Line 792 sub start_functionplotresponse {
&decode_previous_answer($Apache::lonhomework::history{"resource.$partid.$id.submission"});	&decode_previous_answer($Apache::lonhomework::history{"resource.$partid.$id.submission"});

# Parameters of <functionplotresponse>	# Parameters of <functionplotresponse>
my $xmin=&Apache::lonxml::get_param('xmin',$parstack,$safeeval);	my ($xmin,$xmax,$ymin,$ymax)=&boundaries($parstack,$safeeval);
$xmin=(defined($xmin)?$xmin:-10);
my $xmax=&Apache::lonxml::get_param('xmax',$parstack,$safeeval);
$xmax=(defined($xmax)?$xmax:10);
my $ymin=&Apache::lonxml::get_param('ymin',$parstack,$safeeval);
$ymin=(defined($ymin)?$ymin:-10);
my $ymax=&Apache::lonxml::get_param('ymax',$parstack,$safeeval);
$ymax=(defined($ymax)?$ymax:10);
if ($xmax<=$xmin) {
&Apache::lonxml::warning('Maximum x-value needs to be larger than minimum value.');
$xmax=$xmin+20;
}
if ($ymax<=$ymin) {
&Apache::lonxml::warning('Maximum y-value needs to be larger than minimum value.');
$ymax=$ymin+20;
}
my $xaxisvisible=(&Apache::lonxml::get_param('xaxisvisible',$parstack,$safeeval)=~/on\|true\|yes\|1/i?'true':'false');	my $xaxisvisible=(&Apache::lonxml::get_param('xaxisvisible',$parstack,$safeeval)=~/on\|true\|yes\|1/i?'true':'false');
my $yaxisvisible=(&Apache::lonxml::get_param('yaxisvisible',$parstack,$safeeval)=~/on\|true\|yes\|1/i?'true':'false');	my $yaxisvisible=(&Apache::lonxml::get_param('yaxisvisible',$parstack,$safeeval)=~/on\|true\|yes\|1/i?'true':'false');
my $gridvisible=(&Apache::lonxml::get_param('gridvisible',$parstack,$safeeval)=~/on\|true\|yes\|1/i?'true':'false');	my $gridvisible=(&Apache::lonxml::get_param('gridvisible',$parstack,$safeeval)=~/on\|true\|yes\|1/i?'true':'false');
Line 706 sub start_functionplotresponse {	Line 802 sub start_functionplotresponse {
$result.=&Apache::edit::start_table($token)	$result.=&Apache::edit::start_table($token)
.'<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)
.'</span></td>'	.'</span></td>'
."<td> "	."<td> "
.&Apache::edit::end_row()	.&Apache::edit::end_row()
Line 719 sub start_functionplotresponse {	Line 816 sub start_functionplotresponse {
&Apache::edit::text_arg('Maximum x-value:','xmax',	&Apache::edit::text_arg('Maximum x-value:','xmax',
$token,'4').' '.	$token,'4').' '.
&Apache::edit::select_arg('x-axis visible:','xaxisvisible',	&Apache::edit::select_arg('x-axis visible:','xaxisvisible',
['yes','no'],$token).'  '.	['yes','no'],$token).'<br />'.
&Apache::edit::text_arg('Label y-axis:','ylabel',	&Apache::edit::text_arg('Label y-axis:','ylabel',
$token,'6').' '.	$token,'6').' '.
&Apache::edit::text_arg('Minimum y-value:','ymin',	&Apache::edit::text_arg('Minimum y-value:','ymin',
Line 727 sub start_functionplotresponse {	Line 824 sub start_functionplotresponse {
&Apache::edit::text_arg('Maximum y-value:','ymax',	&Apache::edit::text_arg('Maximum y-value:','ymax',
$token,'4').' '.	$token,'4').' '.
&Apache::edit::select_arg('y-axis visible:','yaxisvisible',	&Apache::edit::select_arg('y-axis visible:','yaxisvisible',
['yes','no'],$token).'  '.	['yes','no'],$token).'<br />'.
&Apache::edit::select_arg('Grid visible:','gridvisible',	&Apache::edit::select_arg('Grid visible:','gridvisible',
['yes','no'],$token).	['yes','no'],$token).
&Apache::edit::end_row().&Apache::edit::start_spanning_row();	&Apache::edit::end_row().&Apache::edit::start_spanning_row();
Line 739 sub start_functionplotresponse {	Line 836 sub start_functionplotresponse {

} elsif ($target eq 'meta') {	} elsif ($target eq 'meta') {
$result=&Apache::response::meta_package_write('functionplotresponse');	$result=&Apache::response::meta_package_write('functionplotresponse');
} elsif ($target eq 'web') {	} elsif (($target eq 'answer') &&
# paste in the update routine to receive stuff back from the applet	($env{'form.answer_output_mode'} ne 'tex') &&
$result.=&update_script($internalid);	($Apache::lonhomework::viewgrades == 'F')) {
# start the initscript for this applet	my (undef,undef,$udom,$uname)=&Apache::lonnet::whichuser();
$result.=&start_init_script($internalid);	my $windowopen=&Apache::lonhtmlcommon::javascript_docopen();
# put the axis commands inside	my $start_page = &Apache::loncommon::start_page('Rules Log', undef,
$result.=&axes_script($internalid,$xmin,$xmax,$ymin,$ymax,$xaxisvisible,$yaxisvisible,$gridvisible);	{'only_body' => 1,
$result.=&axes_label($internalid,$xlabel,$ylabel);	'bgcolor' => '#FFFFFF',
# init script is left open	'js_ready' => 1,});
}	my $end_page = &Apache::loncommon::end_page({'js_ready' => 1,});
	$uname =~s/\W//g;
	$udom =~s/\W//g;
	my $function_name =
	join('_','LONCAPA_scriptvars',$uname,$udom,
	$env{'form.counter'},$Apache::lonxml::curdepth);
	my $rules_var ="<script type=\"text/javascript\">
	// <![CDATA[
	function $function_name() {newWindow=open('','new_W','width=500,height=500,scrollbars=1,resizable=yes');newWindow.$windowopen;newWindow.document.writeln('$start_page<pre>".
	$Apache::functionplotresponse::ruleslog.
	"<\\/pre>$end_page');newWindow.document.close();newWindow.focus()}
	// ]]>
	</script><a href=\"javascript:$function_name();void(0);\">".&mt('Rules Log')."</a><br />";
	&Apache::lonxml::add_script_result($rules_var);
	}

return $result;	return $result;
}	}

sub compare_rel {	sub compare_rel {
my ($relationship,$value,$realval,$tol)=@_;	my ($relationship,$value,$realval,$tol)=@_;
# is the real value defined?	# is the real value undefined?
unless (defined($realval)) {	unless (defined($realval)) {
	# the real value is not defined
if ($relationship eq 'eq') {	if ($relationship eq 'eq') {
if ($value eq 'undef') {	if ($value eq 'undef') {
return 1;	return 1;
Line 773 sub compare_rel {	Line 886 sub compare_rel {
}	}
}	}

# it is defined.	# is the expected value undefined?
	if ($value eq 'undef') {
	# but by now we know that the real value is defined
	return 0;
	}

	# both are defined.
if ($relationship eq 'gt') {	if ($relationship eq 'gt') {
return ($realval>$value);	return ($realval>$value);
} elsif ($relationship eq 'ge') {	} elsif ($relationship eq 'ge') {
Line 790 sub compare_rel {	Line 909 sub compare_rel {
return 0;	return 0;
}	}

	sub addlog {
	my ($text)=@_;
	$Apache::functionplotresponse::ruleslog.=$text.'<br />';
	}

	sub actualval {
	my ($i,$xmin,$xmax)=@_;
	return $xmin+$i/400.*($xmax-$xmin);
	}

sub functionplotrulecheck {	sub functionplotrulecheck {
my ($rule,$xmin,$xmax,$tolfunc,$toldfdx,$told2fdx2)=@_;	my ($rule,$xmin,$xmax,$ymin,$ymax)=@_;
&Apache::lonnet::logthis("Rule $rule TolFunc $tolfunc TolDfDx $toldfdx TolD2fDx2 $told2fdx2");
my ($label,$derivative,$xinitial,$xinitiallabel,$xfinal,$xfinallabel,$relationship,$value)
=split(/\:/,$rule);

	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");
my $li=0;	my $li=0;
my $lh=400;	my $lh=400;

	# Special case: the upper boundary was not defined
	# and needs to be set to the value where
	# the condition is not true anymore => set flag

	my $findupper=0;
	if (($xfinal eq '')
	&& (!defined($Apache::functionplotresponse::functionplotrulelabels{$xfinallabel}))
	&& ($xfinallabel)) {
	$findupper=1;
	}

# if a hard value is set for the boundaries, it overrides the label	# if a hard value is set for the boundaries, it overrides the label
if (($xinitial ne '') && ($xinitiallabel ne '') && ($xinitiallabel ne 'start')) {	if (($xinitial ne '') && ($xinitiallabel ne '') && ($xinitiallabel ne 'start')) {
$li=&array_index($xmin,$xmax,$xinitial);	$li=&array_index($xmin,$xmax,$xinitial);
Line 808 sub functionplotrulecheck {	Line 950 sub functionplotrulecheck {
$lh=&array_index($xmin,$xmax,$xfinal);	$lh=&array_index($xmin,$xmax,$xfinal);
$Apache::functionplotresponse::functionplotrulelabels{$xfinallabel}=$lh;	$Apache::functionplotresponse::functionplotrulelabels{$xfinallabel}=$lh;
}	}
	# if the label is defined, use it
if (defined($Apache::functionplotresponse::functionplotrulelabels{$xinitiallabel})) {	if (defined($Apache::functionplotresponse::functionplotrulelabels{$xinitiallabel})) {
	&addlog("Using lower label $xinitiallabel");
$li=$Apache::functionplotresponse::functionplotrulelabels{$xinitiallabel};	$li=$Apache::functionplotresponse::functionplotrulelabels{$xinitiallabel};
} else {	} else {
$li=&array_index($xmin,$xmax,$xinitial);	$li=&array_index($xmin,$xmax,$xinitial);
}	}
if (defined($Apache::functionplotresponse::functionplotrulelabels{$xfinallabel})) {	unless ($findupper) {
$lh=$Apache::functionplotresponse::functionplotrulelabels{$xfinallabel};	if (defined($Apache::functionplotresponse::functionplotrulelabels{$xfinallabel})) {
} else {	&addlog("Using upper label $xfinallabel");
$lh=&array_index($xmin,$xmax,$xfinal);	$lh=$Apache::functionplotresponse::functionplotrulelabels{$xfinallabel}-1;
	} else {
	$lh=&array_index($xmin,$xmax,$xfinal);
	}
}	}
# Basic sanity checks	# Basic sanity checks
if ($li<0) { $li=0; }	if ($li<0) { $li=0; }
if ($lh>400) { $lh=400; }	if ($lh>400) { $lh=400; }
if ($li>$lh) {	if (($li>$lh) \|\| (!defined($lh))) {
$lh=$li;	$lh=$li;
}	}
&Apache::lonnet::logthis("Init $xinitial=$li Final $xfinal=$lh");
my $tol=$tolfunc;	&addlog("Boundaries: x=".&actualval($li,$xmin,$xmax)." (".$Apache::functionplotresponse::actualxval[$li]."; index $li)) to x=".
if ($derivative==2) {	&actualval($lh,$xmin,$xmax)." (".$Apache::functionplotresponse::actualxval[$lh]."; index $lh))");
$tol=$told2fdx2;	if ($findupper) {
} elsif ($derivative==1) {	&addlog("Looking for label $xfinallabel");
$tol=$toldfdx;	}
	my $tol=$percent*($ymax-$ymin)/100;
	if ($xmax>$xmin) {
	if ($derivative==2) {
	$tol=4.*$tol/($xmax-$xmin);
	} elsif ($derivative==1) {
	$tol=2.*$tol/($xmax-$xmin);
	} elsif ($derivative==-1) {
	$tol=$tol*($xmax-$xmin)/2.;
	}
}	}
for (my $i=$li; $i<=$lh; $i++) {	my $integral=0;
	my $binwidth=($xmax-$xmin)/400.;
	if (($derivative<0) && (!$findupper)) {
	# definite integral, calculate over whole length
	&addlog("Calculating definite integral");
	for (my $i=$li; $i<=$lh; $i++) {
	$integral+=$Apache::functionplotresponse::func[$i]*$binwidth;
	}
	unless (&compare_rel($relationship,$value,$integral,$tol)) {
	&addlog("Actual integral ".(defined($integral)?$integral:'undef').", expected $value, tolerance $tol");
	&addlog("Rule $label failed.");
	my $hintlabel=$label;
	$hintlabel=~s/^R//;
	push(@Apache::functionplotresponse::failedrules,$hintlabel);
	&addlog("Set hint condition $hintlabel");
	return 0;
	}
	} else {
	for (my $i=$li; $i<=$lh; $i++) {
my $val;	my $val;
if ($derivative==2) {	if ($derivative==2) {
$val=$Apache::functionplotresponse::d2funcdx2[$i];	$val=$Apache::functionplotresponse::d2funcdx2[$i];
} elsif ($derivative==1) {	} elsif ($derivative==1) {
$val=$Apache::functionplotresponse::dfuncdx[$i];	$val=$Apache::functionplotresponse::dfuncdx[$i];
	} elsif ($derivative==-1) {
	$integral+=$Apache::functionplotresponse::func[$i]*$binwidth;
	$val=$integral;
} else {	} else {
$val=$Apache::functionplotresponse::func[$i];	$val=$Apache::functionplotresponse::func[$i];
}	}
unless (&compare_rel($relationship,$value,$val,$tol)) { return 0; };	unless (&compare_rel($relationship,$value,$val,$tol)) {
	&addlog("Actual value ".(defined($val)?$val:'undef').", expected $value, tolerance $tol");
	&addlog("Condition not fulfilled at x=".&actualval($i,$xmin,$xmax)." (".$Apache::functionplotresponse::actualxval[$i]."; index $i)");
	if (($findupper) && ($i>$li)) {
	# check for minimum and maximum lengths
	my $length=&actualval($i,$xmin,$xmax)-&actualval($li,$xmin,$xmax);
	if ($minimumlength) {
	if ($length<$minimumlength) {
	&addlog("Rule $label failed, actual length $length, minimum length $minimumlength");
	return 0;
	}
	}
	if ($maximumlength) {
	if ($length>$maximumlength) {
	&addlog("Rule $label failed, actual length $length, maximum length $maximumlength");
	return 0;
	}
	}
	$Apache::functionplotresponse::functionplotrulelabels{$xfinallabel}=$i;
	&addlog("Rule $label passed, setting label $xfinallabel");
	return 1;
	} else {
	&addlog("Rule $label failed.");
	my $hintlabel=$label;
	$hintlabel=~s/^R//;
	push(@Apache::functionplotresponse::failedrules,$hintlabel);
	&addlog("Set hint condition $hintlabel");
	return 0;
	}
	}
	}
}	}
	&addlog("Rule $label passed.");
return 1;	return 1;
}	}

sub end_functionplotresponse {	sub start_functionplotruleset {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
&Apache::response::end_response;	if ($target eq 'edit') {
	return &Apache::edit::start_table($token).
my $result;	'<tr><td><span class="LC_nobreak">'.&mt('Function Plot Rule Set').'</span></td>'
my $id=$Apache::inputtags::response[-1];	.'<td><span class="LC_nobreak">'.&mt('Delete?').' '
my $partid=$Apache::inputtags::part;	.&Apache::edit::deletelist($target,$token).'   '.
my $internalid = $partid.'_'.$id;	&Apache::edit::insertlist($target,$token)
	.'</span></td>'
if ($target eq 'edit') { $result=&Apache::edit::end_table(); }	."<td> "
if ($target eq 'grade'	.&Apache::edit::end_row()
&& &Apache::response::submitted()	.&Apache::edit::start_spanning_row()
&& $Apache::lonhomework::type eq 'exam') {	."\n";
	}
&Apache::response::scored_response($partid,$id);	}

} elsif ($target eq 'grade'	sub end_functionplotruleset {
	my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
	my $id=$Apache::inputtags::response[-1];
	my $partid=$Apache::inputtags::part;
	my $internalid = $partid.'_'.$id;

	if ($target eq 'edit' ) {
	return &Apache::edit::end_table();
	} elsif ($target eq 'grade'
&& &Apache::response::submitted()	&& &Apache::response::submitted()
&& $Apache::lonhomework::type ne 'exam') {	&& $Apache::lonhomework::type ne 'exam') {
my ($response,%coords)=&get_answer_from_form_fields($internalid);
$Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;
my %previous=&Apache::response::check_for_previous($response,$partid,$id);
#	#
# Actually grade	# Actually grade
#	#
my $xmin=&Apache::lonxml::get_param('xmin',$parstack,$safeeval);	my ($xmin,$xmax,$ymin,$ymax)=&boundaries($parstack,$safeeval,-2);
$xmin=(defined($xmin)?$xmin:-10);
my $xmax=&Apache::lonxml::get_param('xmax',$parstack,$safeeval);
$xmax=(defined($xmax)?$xmax:10);
my $ymin=&Apache::lonxml::get_param('ymin',$parstack,$safeeval);
$ymin=(defined($ymin)?$ymin:-10);
my $ymax=&Apache::lonxml::get_param('ymax',$parstack,$safeeval);
$ymax=(defined($ymax)?$ymax:10);

my $percent=&Apache::lonxml::get_param('percenterror',$parstack,$safeeval);
$percent=(defined($percent)?$percent:5);

my $tolfunc=$percent*($ymax-$ymin)/100.;
my $toldfdx=1;
my $told2fdx2=1;
if ($xmax>$xmin) {
$toldfdx=$tolfunc/($xmax-$xmin);
$told2fdx2=$toldfdx/($xmax-$xmin);
}

my $ad='';	my $ad='';
undef %Apache::functionplotresponse::functionplotrulelabels;	undef %Apache::functionplotresponse::functionplotrulelabels;
	$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) eq 'no_func') {
$ad='NOT_FUNCTION';	$ad='NOT_FUNCTION';
} else {	} else {
	&addlog("Start of function ".&actualval($Apache::functionplotresponse::functionplotrulelabels{'start'},$xmin,$xmax)." (index ".
	$Apache::functionplotresponse::functionplotrulelabels{'start'}.")");
	&addlog("End of function ".&actualval($Apache::functionplotresponse::functionplotrulelabels{'end'},$xmin,$xmax)." (index ".
	$Apache::functionplotresponse::functionplotrulelabels{'end'}.")");

# 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,$tolfunc,$toldfdx,$told2fdx2)) {	unless (&functionplotrulecheck($rule,$xmin,$xmax,$ymin,$ymax)) {
$ad='INCORRECT';	$ad='INCORRECT';
last;	last;
}	}
Line 907 sub end_functionplotresponse {	Line 1108 sub end_functionplotresponse {
# If it's not wrong, it's correct	# If it's not wrong, it's correct
unless ($ad) { $ad='EXACT_ANS' };	unless ($ad) { $ad='EXACT_ANS' };
}	}
	&addlog("Set hint conditions: ".join(",",@Apache::functionplotresponse::failedrules));
	&addlog("Assigned award detail: $ad");
	# Store for later to be assigned at end_functionplotresponse
	$Apache::functionplotresponse::awarddetail=$ad;
	}
	}


	sub end_functionplotresponse {
	my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
	&Apache::response::end_response;

	my $result;
	my $id=$Apache::inputtags::response[-1];
	my $partid=$Apache::inputtags::part;
	my $internalid = $partid.'_'.$id;

	if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
	if ($target eq 'grade'
	&& &Apache::response::submitted()
	&& $Apache::lonhomework::type eq 'exam') {

	&Apache::response::scored_response($partid,$id);

	} elsif ($target eq 'grade'
	&& &Apache::response::submitted()
	&& $Apache::lonhomework::type ne 'exam') {
	my ($response,%coords)=&get_answer_from_form_fields($internalid);
	$Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;
	my %previous=&Apache::response::check_for_previous($response,$partid,$id);
	#
	# Assign grade
	#
	my $ad=$Apache::functionplotresponse::awarddetail;
#	#
# Store grading info	# Store grading info
#	#
$Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}=$ad;	$Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}=$ad;
&Apache::response::handle_previous(\%previous,$ad);	&Apache::response::handle_previous(\%previous,$ad);
} elsif ($target eq 'web') {	} elsif ($target eq 'web') {
	undef @Apache::functionplotresponse::failedrules;
	}
	return $result;
	}

	sub end_functionplotelements {
	my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
	my $result='';
	my $id=$Apache::inputtags::response[-1];
	my $partid=$Apache::inputtags::part;
	my $internalid = $partid.'_'.$id;
	if ($target eq 'edit' ) {
	$result=&Apache::edit::end_table();
	} elsif ($target eq 'web') {
# Now is the time to render all of the stored splines	# Now is the time to render all of the stored splines
	my ($xmin,$xmax,$ymin,$ymax)=&boundaries($parstack,$safeeval,-2);
foreach my $label (keys(%Apache::functionplotresponse::splineorder)) {	foreach my $label (keys(%Apache::functionplotresponse::splineorder)) {
$result.=&generate_spline($internalid,$label);	$result.=&generate_spline($internalid,$label,$xmin,$xmax,$ymin,$ymax);
}	}
# close the init script	# close the init script
$result.=&end_init_script();	$result.=&end_init_script();
Line 940 sub end_functionplotresponse {	Line 1189 sub end_functionplotresponse {
}	}
return $result;	return $result;
}	}

	sub boundaries {
	my ($parstack,$safeeval,$level)=@_;
	my $xmin=&Apache::lonxml::get_param('xmin',$parstack,$safeeval,$level);
	$xmin=(defined($xmin)?$xmin:-10);
	my $xmax=&Apache::lonxml::get_param('xmax',$parstack,$safeeval,$level);
	$xmax=(defined($xmax)?$xmax:10);
	my $ymin=&Apache::lonxml::get_param('ymin',$parstack,$safeeval,$level);
	$ymin=(defined($ymin)?$ymin:-10);
	my $ymax=&Apache::lonxml::get_param('ymax',$parstack,$safeeval,$level);
	$ymax=(defined($ymax)?$ymax:10);
	if ($xmax<=$xmin) {
	$xmax=$xmin+20;
	}
	if ($ymax<=$ymin) {
	$ymax=$ymin+20;
	}
	return ($xmin,$xmax,$ymin,$ymax);
	}

	sub start_functionplotelements {
	my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
	my $result='';
	my $id=$Apache::inputtags::response[-1];
	my $partid=$Apache::inputtags::part;
	my $internalid = $partid.'_'.$id;

	if ($target eq 'edit') {
	return &Apache::edit::start_table($token).
	'<tr><td><span class="LC_nobreak">'.&mt('Function Plot Elements').'</span></td>'
	.'<td><span class="LC_nobreak">'.&mt('Delete?').' '
	.&Apache::edit::deletelist($target,$token).'   '.
	&Apache::edit::insertlist($target,$token)
	.'</span></td>'
	."<td> "
	.&Apache::edit::end_row()
	.&Apache::edit::start_spanning_row()
	."\n";
	} elsif ($target eq 'web') {
	my ($xmin,$xmax,$ymin,$ymax)=&boundaries($parstack,$safeeval,-2);
	my $xaxisvisible=(&Apache::lonxml::get_param('xaxisvisible',$parstack,$safeeval,-2)=~/on\|true\|yes\|1/i?'true':'false');
	my $yaxisvisible=(&Apache::lonxml::get_param('yaxisvisible',$parstack,$safeeval,-2)=~/on\|true\|yes\|1/i?'true':'false');
	my $gridvisible=(&Apache::lonxml::get_param('gridvisible',$parstack,$safeeval,-2)=~/on\|true\|yes\|1/i?'true':'false');
	my $xlabel=&Apache::lonxml::get_param('xlabel',$parstack,$safeeval,-2);
	my $ylabel=&Apache::lonxml::get_param('ylabel',$parstack,$safeeval,-2);


	# paste in the update routine to receive stuff back from the applet
	$result.=&update_script($internalid);
	# start the initscript for this applet
	$result.=&start_init_script($internalid);
	# put the axis commands inside
	$result.=&axes_script($internalid,$xmin,$xmax,$ymin,$ymax,$xaxisvisible,$yaxisvisible,$gridvisible);
	$result.=&axes_label($internalid,$xmin,$xmax,$ymin,$ymax,$xlabel,$ylabel);
	# init script is left open
	}
	return $result;
	}

1;	1;

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	Added in v.1.46