version 1.15, 2010/10/19 02:04:27
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version 1.32, 2010/11/10 22:53:32
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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 101 ENDDEFAULTPARAMETERS
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Line 101 ENDDEFAULTPARAMETERS
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# |
# |
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sub init_script { |
sub init_script { |
if ($Apache::functionplotresponse::callscripts) { |
if ($#Apache::functionplotresponse::callscripts>=0) { |
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my $script=''; |
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foreach my $id (@Apache::functionplotresponse::callscripts) { |
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$script.="if (param=='applet_$id') { loaded_$id=true; }\n"; |
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} |
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$script.="if (".join(' && ',map { "loaded_$_" } (@Apache::functionplotresponse::callscripts)). |
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") { setTimeout('ggbInitAll()',20) }"; |
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my $calls=join("\n",map { "ggbInit_$_();" } (@Apache::functionplotresponse::callscripts)); |
return (<<ENDGGBINIT); |
return (<<ENDGGBINIT); |
<script type="text/javascript"> |
<script type="text/javascript"> |
// <![CDATA[ |
// <![CDATA[ |
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// Function that each applet will call when loaded |
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// It will pass "its" parameter |
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// Set flags for when an applet is loaded, wait till all are loaded, and then some |
function ggbOnInit(param) { |
function ggbOnInit(param) { |
$Apache::functionplotresponse::callscripts |
$script |
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} |
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function ggbInitAll() { |
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$calls |
} |
} |
// ]]> |
// ]]> |
</script> |
</script> |
Line 194 sub new_coordinate {
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Line 207 sub new_coordinate {
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# |
# |
sub start_init_script { |
sub start_init_script { |
my ($id)=@_; |
my ($id)=@_; |
# Add a line to ggbOnInit-function which calls the right function based on parameter passed from GeoGebra |
# Add id to the list of ggbInit_$id functions that need to be called |
$Apache::functionplotresponse::callscripts.="if (param=='applet_$id') { ggbInit_$id(); }\n"; |
push(@Apache::functionplotresponse::callscripts,$id); |
# ... and open this function |
# ... and open this function |
return (<<ENDSTARTINIT); |
return (<<ENDSTARTINIT); |
<script type="text/javascript"> |
<script type="text/javascript"> |
// <![CDATA[ |
// <![CDATA[ |
// variable that will eventually be passed back to the server |
// variable that will eventually be passed back to the server |
var coordinateMap_$id = []; |
var coordinateMap_$id = []; |
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// flag for not loaded yet |
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var loaded_$id=false; |
// Init-function for applet |
// Init-function for applet |
function ggbInit_$id() { |
function ggbInit_$id() { |
ENDSTARTINIT |
ENDSTARTINIT |
Line 324 sub end_backgroundplot {
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Line 339 sub end_backgroundplot {
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} |
} |
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# |
# |
# <splinerule ... /> |
# <functionplotrule ... /> |
# |
# |
sub start_splinerule { |
sub start_functionplotrule { |
my ($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::text_arg('Index:','index', |
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$token,'4').' '. |
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&Apache::edit::select_arg(&mt('Function:'),'derivative', |
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[['0','Function itself'], |
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['1','First derivative'], |
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['2','Second derivative']],$token).'<br />'. |
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&Apache::edit::text_arg('(Initial) x-value:','xinitial', |
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$token,'4'). |
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&Apache::edit::select_or_text_arg('(Initial) x-value label:','xinitiallabel', |
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[['start','Start of Plot']],$token,'8').'<br />'. |
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&Apache::edit::text_arg('Optional final x-value for ranges:','xfinal', |
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$token,'4'). |
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&Apache::edit::select_or_text_arg('Optional final x-value label:','xfinallabel', |
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[['end','End of Plot']],$token,'8').'<br />'. |
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&Apache::edit::select_arg(&mt('Relationship:'),'relationship', |
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[['eq','equal'], |
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['ne','not equal'], |
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['ge','greater than or equal'], |
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['gt','greater than'], |
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['lt','less than'], |
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['le','less than or equal']],$token). |
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$result.= &Apache::edit::select_or_text_arg('Value:','value', |
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[['undef','not defined']],$token,'4'). |
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&Apache::edit::text_arg('Percent error:','percenterror', |
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$token,'4'). |
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&Apache::edit::end_row(); |
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} elsif ($target eq 'modified') { |
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my $constructtag=&Apache::edit::get_new_args($token,$parstack, |
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$safeeval,'index','derivative','xinitial','xinitiallabel','xfinal','xfinallabel','relationship', |
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'value','percenterror'); |
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if ($constructtag) { $result=&Apache::edit::rebuild_tag($token); } |
} |
} |
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 ($target eq 'edit') { |
Line 348 sub end_splinerule {
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Line 442 sub end_splinerule {
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# |
# |
# <spline label="..." order="1,2,3,4" initx="..." inity="..." scalex="..." scaley="..." /> |
# <spline index="..." order="1,2,3,4" initx="..." inity="..." scalex="..." scaley="..." /> |
# |
# |
# Unfortunately, GeoGebra seems to want all splines after everything else, so we need to store them |
# Unfortunately, GeoGebra seems to want all splines after everything else, so we need to store them |
# |
# |
Line 356 sub start_spline {
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Line 450 sub start_spline {
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my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my $result=''; |
my $result=''; |
if ($target eq 'web') { |
if ($target eq 'web') { |
my $label=&Apache::lonxml::get_param('label',$parstack,$safeeval); |
my $label=&Apache::lonxml::get_param('index',$parstack,$safeeval); |
$Apache::functionplotresponse::counter++; |
$Apache::functionplotresponse::counter++; |
if ($label=~/\W/) { |
if ($label=~/\W/) { |
&Apache::lonxml::warning(&mt('Spline labels should only contain alphanumeric characters.')); |
&Apache::lonxml::warning(&mt('Spline indices should only contain alphanumeric characters.')); |
} |
} |
$label=~s/\W//gs; |
$label=~s/\W//gs; |
unless ($label) { $label='S'.$Apache::functionplotresponse::counter; } |
unless ($label) { |
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$label='S'.$Apache::functionplotresponse::counter; |
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} else { |
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$label='S'.$label; |
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} |
if ($Apache::functionplotresponse::splineorder{$label}) { |
if ($Apache::functionplotresponse::splineorder{$label}) { |
&Apache::lonxml::error(&mt('Spline labels must be unique.')); |
&Apache::lonxml::error(&mt('Spline indices must be unique.')); |
} |
} |
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my $order=&Apache::lonxml::get_param('order',$parstack,$safeeval); |
my $order=&Apache::lonxml::get_param('order',$parstack,$safeeval); |
Line 389 sub start_spline {
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Line 487 sub start_spline {
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$Apache::functionplotresponse::splinescaley{$label}=$sy; |
$Apache::functionplotresponse::splinescaley{$label}=$sy; |
} elsif ($target eq 'edit') { |
} elsif ($target eq 'edit') { |
$result=&Apache::edit::tag_start($target,$token,'Spline'). |
$result=&Apache::edit::tag_start($target,$token,'Spline'). |
&Apache::edit::text_arg('Label:','label', |
&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','9'],$token).' '. |
Line 404 sub start_spline {
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Line 502 sub start_spline {
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&Apache::edit::end_row(); |
&Apache::edit::end_row(); |
} elsif ($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,'label','order','initx','inity', |
$safeeval,'index','order','initx','inity', |
'scalex','scaley'); |
'scalex','scaley'); |
if ($constructtag) { $result=&Apache::edit::rebuild_tag($token); } |
if ($constructtag) { $result=&Apache::edit::rebuild_tag($token); } |
} |
} |
Line 484 sub d2dt2_cubic_hermite {
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Line 582 sub d2dt2_cubic_hermite {
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} |
} |
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# |
# |
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# Array index calculation |
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# |
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sub array_index { |
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my ($xmin,$xmax,$x)=@_; |
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return int(($x-$xmin)/($xmax-$xmin)*400.+0.5); |
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} |
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# |
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# Populate the arrays |
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# |
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sub populate_arrays { |
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my ($id,$xmin,$xmax)=@_; |
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for (my $i=0; $i<=400; $i++) { |
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$Apache::functionplotresponse::func[$i]=undef; |
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$Apache::functionplotresponse::dfuncdx[$i]=undef; |
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$Apache::functionplotresponse::d2funcd2x[$i]=undef; |
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} |
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unless ($xmax>$xmin) { return 'no_func'; } |
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# Run over all splines in response |
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foreach my $label (split(/\,/,$env{"form.HWVAL_AllSplines_$id"})) { |
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my $xiold=-1; |
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# Run over all points in spline |
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for (my $i=1; $i<$env{"form.HWVAL_SplineOrder_".$id."_".$label}; $i++) { |
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my $ni=$i+1; |
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my @xparms=($env{'form.HWVAL_'.$id.'_'.$label.'P'.$i.'_x'}, |
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$env{'form.HWVAL_'.$id.'_'.$label.'S'.$i.'_x'}, |
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$env{'form.HWVAL_'.$id.'_'.$label.'P'.$ni.'_x'}, |
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$env{'form.HWVAL_'.$id.'_'.$label.'S'.$ni.'_x'}); |
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my @yparms=($env{'form.HWVAL_'.$id.'_'.$label.'P'.$i.'_y'}, |
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$env{'form.HWVAL_'.$id.'_'.$label.'S'.$i.'_y'}, |
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$env{'form.HWVAL_'.$id.'_'.$label.'P'.$ni.'_y'}, |
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$env{'form.HWVAL_'.$id.'_'.$label.'S'.$ni.'_y'}); |
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# Run in small steps over spline parameter |
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for (my $t=0; $t<=1; $t+=0.0001) { |
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my $xi=&array_index($xmin,$xmax,&cubic_hermite($t,@xparms)); |
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if ($xi<$xiold) { return 'no_func'; } |
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if (($xi>$xiold) && ($xi>=0) && ($xi<=400)) { |
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if (defined($Apache::functionplotresponse::func[$xi])) { return 'no_func'; } |
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$xiold=$xi; |
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# Function value |
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my $funcval=&cubic_hermite($t,@yparms); |
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$Apache::functionplotresponse::func[$xi]=$funcval; |
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if (defined($funcval)) { |
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if ($xi<$Apache::functionplotresponse::functionplotrulelabels{'start'}) { |
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$Apache::functionplotresponse::functionplotrulelabels{'start'}=$xi; |
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} |
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if ($xi>$Apache::functionplotresponse::functionplotrulelabels{'end'}) { |
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$Apache::functionplotresponse::functionplotrulelabels{'end'}=$xi; |
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} |
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} |
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# Chain rule |
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# dy/dx=dy/dt/(dx/dt) |
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my $dxdt=&ddt_cubic_hermite($t,@xparms); |
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if ($dxdt) { |
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$Apache::functionplotresponse::dfuncdx[$xi]=&ddt_cubic_hermite($t,@yparms)/$dxdt; |
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} |
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# Faa di Bruno |
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# d^2y/dx^2=(d^2y/dt^2)/(dx/dt)^2+(dy/dt)/(d^2x/dt^2) |
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my $d2xdt2=&d2dt2_cubic_hermite($t,@xparms); |
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if (($dxdt) && ($d2xdt2)) { |
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$Apache::functionplotresponse::d2funcdx2[$xi]= |
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&d2dt2_cubic_hermite($t,@yparms)/($dxdt*$dxdt) |
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+&ddt_cubic_hermite($t,@yparms)/$d2xdt2; |
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} |
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} |
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} |
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} |
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} |
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} |
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# |
# Implentation of <functionplotresponse> |
# Implentation of <functionplotresponse> |
# |
# |
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Line 500 sub start_functionplotresponse {
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Line 670 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 510 sub start_functionplotresponse {
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Line 682 sub start_functionplotresponse {
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# Parameters of <functionplotresponse> |
# Parameters of <functionplotresponse> |
my $xmin=&Apache::lonxml::get_param('xmin',$parstack,$safeeval); |
my $xmin=&Apache::lonxml::get_param('xmin',$parstack,$safeeval); |
$xmin=($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); |
$xmax=($xmax?$xmax:10); |
$xmax=(defined($xmax)?$xmax:10); |
my $ymin=&Apache::lonxml::get_param('ymin',$parstack,$safeeval); |
my $ymin=&Apache::lonxml::get_param('ymin',$parstack,$safeeval); |
$ymin=($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); |
$ymax=($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 539 sub start_functionplotresponse {
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Line 719 sub start_functionplotresponse {
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&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 547 sub start_functionplotresponse {
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Line 727 sub start_functionplotresponse {
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&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 572 sub start_functionplotresponse {
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Line 752 sub start_functionplotresponse {
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return $result; |
return $result; |
} |
} |
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sub compare_rel { |
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my ($relationship,$value,$realval,$tol)=@_; |
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# is the real value defined? |
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unless (defined($realval)) { |
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if ($relationship eq 'eq') { |
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if ($value eq 'undef') { |
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return 1; |
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} else { |
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return 0; |
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} |
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} elsif ($relationship eq 'ne') { |
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if ($value eq 'undef') { |
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return 0; |
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} else { |
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return 1; |
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} |
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} else { |
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return 0; |
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} |
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} |
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# it is defined. |
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if ($relationship eq 'gt') { |
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return ($realval>$value); |
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} elsif ($relationship eq 'ge') { |
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return ($realval>$value-$tol); |
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} elsif ($relationship eq 'lt') { |
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return ($realval<$value); |
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} elsif ($relationship eq 'le') { |
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return ($realval<$value+$tol); |
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} elsif ($relationship eq 'ne') { |
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return (abs($value-$realval)>$tol); |
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} else { |
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return (abs($value-$realval)<$tol); |
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} |
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return 0; |
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} |
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sub functionplotrulecheck { |
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my ($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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my $li=0; |
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my $lh=400; |
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|
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# Special case: the upper boundary was not defined |
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# and needs to be set to the value where |
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# the condition is not true anymore => set flag |
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|
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my $findupper=0; |
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if (($xfinal eq '') |
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&& (!defined($Apache::functionplotresponse::functionplotrulelabels{$xfinallabel})) |
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&& ($xfinallabel)) { |
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$findupper=1; |
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} |
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|
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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 '') && ($xinitiallabel ne 'start')) { |
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$li=&array_index($xmin,$xmax,$xinitial); |
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$Apache::functionplotresponse::functionplotrulelabels{$xinitiallabel}=$li; |
|
} |
|
if (($xfinal ne '') && ($xfinallabel ne '') && ($xfinallabel ne 'end')) { |
|
$lh=&array_index($xmin,$xmax,$xfinal); |
|
$Apache::functionplotresponse::functionplotrulelabels{$xfinallabel}=$lh; |
|
} |
|
# if the label is defined, use it |
|
if (defined($Apache::functionplotresponse::functionplotrulelabels{$xinitiallabel})) { |
|
$li=$Apache::functionplotresponse::functionplotrulelabels{$xinitiallabel}; |
|
} else { |
|
$li=&array_index($xmin,$xmax,$xinitial); |
|
} |
|
unless ($findupper) { |
|
if (defined($Apache::functionplotresponse::functionplotrulelabels{$xfinallabel})) { |
|
$lh=$Apache::functionplotresponse::functionplotrulelabels{$xfinallabel}; |
|
} else { |
|
$lh=&array_index($xmin,$xmax,$xfinal); |
|
} |
|
} |
|
# Basic sanity checks |
|
if ($li<0) { $li=0; } |
|
if ($lh>400) { $lh=400; } |
|
if ($li>$lh) { |
|
$lh=$li; |
|
} |
|
|
|
# &Apache::lonnet::logthis("Init $xinitial=$li Final $xfinal=$lh Findupper: $findupper"); |
|
my $tol=$tolfunc; |
|
if ($derivative==2) { |
|
$tol=$told2fdx2; |
|
} elsif ($derivative==1) { |
|
$tol=$toldfdx; |
|
} |
|
for (my $i=$li; $i<=$lh; $i++) { |
|
my $val; |
|
if ($derivative==2) { |
|
$val=$Apache::functionplotresponse::d2funcdx2[$i]; |
|
} elsif ($derivative==1) { |
|
$val=$Apache::functionplotresponse::dfuncdx[$i]; |
|
} else { |
|
$val=$Apache::functionplotresponse::func[$i]; |
|
} |
|
unless (&compare_rel($relationship,$value,$val,$tol)) { |
|
# &Apache::lonnet::logthis("Condition false $findupper at $i with $val"); |
|
if (($findupper) && ($i>$li)) { |
|
$Apache::functionplotresponse::functionplotrulelabels{$xfinallabel}=$i; |
|
# &Apache::lonnet::logthis("Setting $xfinallabel to $i"); |
|
return 1; |
|
} else { |
|
return 0; |
|
} |
|
} |
|
} |
|
return 1; |
|
} |
|
|
sub end_functionplotresponse { |
sub end_functionplotresponse { |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
&Apache::response::end_response; |
&Apache::response::end_response; |
Line 586 sub end_functionplotresponse {
|
Line 883 sub end_functionplotresponse {
|
&& &Apache::response::submitted() |
&& &Apache::response::submitted() |
&& $Apache::lonhomework::type eq 'exam') { |
&& $Apache::lonhomework::type eq 'exam') { |
|
|
#&Apache::response::scored_response($partid,$id); |
&Apache::response::scored_response($partid,$id); |
|
|
} elsif ($target eq 'grade' |
} elsif ($target eq 'grade' |
&& &Apache::response::submitted() |
&& &Apache::response::submitted() |
Line 597 sub end_functionplotresponse {
|
Line 894 sub end_functionplotresponse {
|
# |
# |
# Actually grade |
# Actually grade |
# |
# |
my $ad='INCORRECT'; |
my $xmin=&Apache::lonxml::get_param('xmin',$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); |
|
|
|
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=''; |
|
undef %Apache::functionplotresponse::functionplotrulelabels; |
|
$Apache::functionplotresponse::functionplotrulelabels{'start'}=400; |
|
$Apache::functionplotresponse::functionplotrulelabels{'end'}=0; |
|
if (&populate_arrays($internalid,$xmin,$xmax) eq 'no_func') { |
|
$ad='NOT_FUNCTION'; |
|
} else { |
|
# We have a function that we can actually grade, go through the spline rules. |
|
foreach my $rule (@Apache::functionplotresponse::functionplotrules) { |
|
unless (&functionplotrulecheck($rule,$xmin,$xmax,$tolfunc,$toldfdx,$told2fdx2)) { |
|
$ad='INCORRECT'; |
|
last; |
|
} |
|
} |
|
# If it's not wrong, it's correct |
|
unless ($ad) { $ad='EXACT_ANS' }; |
|
} |
|
|
# |
# |
# Store grading info |
# Store grading info |
# |
# |
Line 610 sub end_functionplotresponse {
|
Line 944 sub end_functionplotresponse {
|
} |
} |
# close the init script |
# close the init script |
$result.=&end_init_script(); |
$result.=&end_init_script(); |
|
# register all splines in this response |
|
$result.='<input type="hidden" name="HWVAL_AllSplines_'.$internalid.'" value="'. |
|
join(',',keys(%Apache::functionplotresponse::splineorder)).'" />'."\n"; |
|
foreach my $label (keys(%Apache::functionplotresponse::splineorder)) { |
|
$result.='<input type="hidden" name="HWVAL_SplineOrder_'.$internalid.'_'.$label.'" value="'. |
|
$Apache::functionplotresponse::splineorder{$label}.'" />'."\n"; |
|
} |
# generate the input fields |
# generate the input fields |
$result.=$Apache::functionplotresponse::inputfields; |
$result.=$Apache::functionplotresponse::inputfields; |
# actually start the <applet>-tag |
# actually start the <applet>-tag |