version 1.23, 2010/11/06 14:37:24
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version 1.25, 2010/11/07 01:57:50
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Line 33 use Apache::lonlocal;
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Line 33 use Apache::lonlocal;
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use Apache::lonnet; |
use Apache::lonnet; |
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BEGIN { |
BEGIN { |
&Apache::lonxml::register('Apache::functionplotresponse',('functionplotresponse','backgroundplot','spline','splinerule')); |
&Apache::lonxml::register('Apache::functionplotresponse',('functionplotresponse','backgroundplot','spline','functionplotrule')); |
} |
} |
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# |
# |
Line 339 sub end_backgroundplot {
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Line 339 sub end_backgroundplot {
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} |
} |
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# |
# |
# <splinerule ... /> |
# <functionplotrule ... /> |
# |
# |
sub start_splinerule { |
sub start_functionplotrule { |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my $result=''; |
my $result=''; |
my $internalid = $Apache::inputtags::part.'_'.$Apache::inputtags::response[-1]; |
my $label=&Apache::lonxml::get_param('index',$parstack,$safeeval); |
if ($target eq 'edit') { |
$Apache::functionplotresponse::counter++; |
$result=&Apache::edit::tag_start($target,$token,'Spline Evaluation Rule'). |
if ($label=~/\W/) { |
&Apache::edit::end_row(); |
&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 ($Apache::functionplotresponse::splineorder{$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') { |
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# Simply remember - in order - for later |
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my $beginninglabel=&Apache::lonxml::get_param('xinitiallabel',$parstack,$safeeval); |
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my $endinglabel=&Apache::lonxml::get_param('xfinallabel',$parstack,$safeeval); |
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if (($beginninglabel=~/\W/) || ($endinglabel=~/W/)) { |
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&Apache::lonxml::warning(&mt('Rule labels must be alphanumeric.')); |
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} |
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$beginninglabel=~s/\W//gs; |
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$endinglabel=~s/\W//gs; |
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my $relationship=&Apache::lonxml::get_param('relationship',$parstack,$safeeval); |
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$relationship=~s/\W//gs; |
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$relationship=lc($relationship); |
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unless ($relationship=~/^(eq|ge|gt|le|lt|ne)$/) { |
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&Apache::lonxml::warning(&mt('Rule relationship not defined.')); |
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$relationship='eq'; |
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} |
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my $derivative=&Apache::lonxml::get_param('derivative',$parstack,$safeeval); |
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unless (($derivative==0) || ($derivative==1) || ($derivative==2)) { |
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&Apache::lonxml::warning(&mt('Rule derivative not defined.')); |
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$derivative=0; |
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} |
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push(@Apache::functionplotresponse::functionplotrules,join(':',( |
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$label, |
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$derivative, |
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&Apache::lonxml::get_param('xinitial',$parstack,$safeeval), |
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$beginninglabel, |
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&Apache::lonxml::get_param('xfinal',$parstack,$safeeval), |
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$endinglabel, |
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$relationship, |
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&Apache::lonxml::get_param('value',$parstack,$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 Evaluation Rule'). |
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&Apache::edit::end_row(); |
} |
} |
return $result; |
return $result; |
} |
} |
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sub end_splinerule { |
sub end_functionplotrule { |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my $result=''; |
my $result=''; |
if ($target eq 'edit') { |
if ($target eq 'edit') { |
Line 657 sub start_functionplotresponse {
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Line 703 sub start_functionplotresponse {
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undef %Apache::functionplotresponse::previous; |
undef %Apache::functionplotresponse::previous; |
$Apache::functionplotresponse::inputfields=''; |
$Apache::functionplotresponse::inputfields=''; |
$Apache::functionplotresponse::counter=0; |
$Apache::functionplotresponse::counter=0; |
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# Remember rules |
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undef @Apache::functionplotresponse::functionplotrules; |
# 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,$safeeval); |
Line 674 sub start_functionplotresponse {
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Line 722 sub start_functionplotresponse {
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$ymin=(defined($ymin)?$ymin:-10); |
$ymin=(defined($ymin)?$ymin:-10); |
my $ymax=&Apache::lonxml::get_param('ymax',$parstack,$safeeval); |
my $ymax=&Apache::lonxml::get_param('ymax',$parstack,$safeeval); |
$ymax=(defined($ymax)?$ymax:10); |
$ymax=(defined($ymax)?$ymax:10); |
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if ($xmax<=$xmin) { |
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&Apache::lonxml::warning('Maximum x-value needs to be larger than minimum value.'); |
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$xmax=$xmin+20; |
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} |
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if ($ymax<=$ymin) { |
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&Apache::lonxml::warning('Maximum y-value needs to be larger than minimum value.'); |
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$ymax=$ymin+20; |
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} |
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 729 sub start_functionplotresponse {
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Line 785 sub start_functionplotresponse {
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return $result; |
return $result; |
} |
} |
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sub compare_rel { |
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my ($relationship,$value,$val,$tol)=@_; |
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if (abs($value-$val)<$tol) { return 1; } |
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return 0; |
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} |
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sub functionplotrulecheck { |
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my ($rule,$xmin,$xmax,$tolfunc,$toldfdx,$told2fdx2)=@_; |
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&Apache::lonnet::logthis("Rule $rule TolFunc $tolfunc TolDfDx $toldfdx TolD2fDx2 $told2fdx2"); |
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my ($label,$derivative,$xinitial,$xinitiallabel,$xfinal,$xfinallabel,$relationship,$value) |
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=split(/\:/,$rule); |
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# if a hard value is set for the boundaries, it overrides the label |
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if (($xinitial ne '') && ($xinitiallabel ne '')) { |
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$Apache::functionplotresponse::functionplotrulelabels{$xinitiallabel}=$xinitial; |
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} |
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if (($xfinal ne '') && ($xfinallabel ne '')) { |
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$Apache::functionplotresponse::functionplotrulelabels{$xfinallabel}=$xfinal; |
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} |
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if (defined($Apache::functionplotresponse::functionplotrulelabels{$xinitiallabel})) { |
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$xinitial=$Apache::functionplotresponse::functionplotrulelabels{$xinitiallabel}; |
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} |
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if (defined($Apache::functionplotresponse::functionplotrulelabels{$xfinallabel})) { |
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$xfinal=$Apache::functionplotresponse::functionplotrulelabels{$xfinallabel}; |
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} |
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# Basic sanity checks |
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if ($xinitial eq '') { |
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$xinitial=0; |
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} |
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if ($xfinal ne '') { |
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if ($xinitial>$xfinal) { |
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$xfinal=$xinitial; |
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} |
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} |
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&Apache::lonnet::logthis("Init $xinitial Final $xfinal"); |
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if (($xfinal eq '') || ($xinitial==$xfinal)) { |
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# This is only one point |
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&Apache::lonnet::logthis("One point $xinitial"); |
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my $tol; |
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my $val; |
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if ($derivative==2) { |
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$val=&d2funcdx2_val($xmin,$xmax,$xinitial); |
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$tol=$told2fdx2; |
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} elsif ($derivative==1) { |
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$val=&dfuncdx_val($xmin,$xmax,$xinitial); |
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$tol=$toldfdx; |
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} else { |
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$val=&func_val($xmin,$xmax,$xinitial); |
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$tol=$tolfunc; |
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} |
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&Apache::lonnet::logthis("Value $value ActVal $val Tol $tol"); |
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return &compare_rel($relationship,$value,$val,$tol); |
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} else { |
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# This is a range |
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} |
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return 0; |
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} |
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sub end_functionplotresponse { |
sub end_functionplotresponse { |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
&Apache::response::end_response; |
&Apache::response::end_response; |
Line 758 sub end_functionplotresponse {
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Line 872 sub end_functionplotresponse {
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$xmin=(defined($xmin)?$xmin:-10); |
$xmin=(defined($xmin)?$xmin:-10); |
my $xmax=&Apache::lonxml::get_param('xmax',$parstack,$safeeval); |
my $xmax=&Apache::lonxml::get_param('xmax',$parstack,$safeeval); |
$xmax=(defined($xmax)?$xmax:10); |
$xmax=(defined($xmax)?$xmax:10); |
my $ad; |
my $ymin=&Apache::lonxml::get_param('ymin',$parstack,$safeeval); |
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$ymin=(defined($ymin)?$ymin:-10); |
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my $ymax=&Apache::lonxml::get_param('ymax',$parstack,$safeeval); |
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$ymax=(defined($ymax)?$ymax:10); |
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my $tolfunc=($ymax-$ymin)/100.; |
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my $toldfdx=1; |
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my $told2fdx2=1; |
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if ($xmax>$xmin) { |
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$toldfdx=$tolfunc/($xmax-$xmin); |
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$told2fdx2=$toldfdx/($xmax-$xmin); |
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} |
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my $ad=''; |
if (&populate_arrays($internalid,$xmin,$xmax) eq 'no_func') { |
if (&populate_arrays($internalid,$xmin,$xmax) eq 'no_func') { |
$ad='NOT_FUNCTION'; |
$ad='NOT_FUNCTION'; |
} else { |
} else { |
$ad='INCORRECT'; |
# We have a function that we can actually grade, go through the spline rules. |
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undef %Apache::functionplotresponse::functionplotrulelabels; |
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foreach my $rule (@Apache::functionplotresponse::functionplotrules) { |
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unless (&functionplotrulecheck($rule,$xmin,$xmax,$tolfunc,$toldfdx,$told2fdx2)) { |
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$ad='INCORRECT'; |
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last; |
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} |
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} |
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# If it's not wrong, it's correct |
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unless ($ad) { $ad='EXACT_ANS' }; |
} |
} |
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# |
# |