version 1.28, 2010/11/07 13:15:28
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version 1.33, 2010/11/11 03:52:35
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Line 389 sub start_functionplotrule {
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Line 389 sub start_functionplotrule {
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&Apache::lonxml::get_param('xfinal',$parstack,$safeeval), |
&Apache::lonxml::get_param('xfinal',$parstack,$safeeval), |
$endinglabel, |
$endinglabel, |
$relationship, |
$relationship, |
&Apache::lonxml::get_param('value',$parstack,$safeeval) |
&Apache::lonxml::get_param('value',$parstack,$safeeval), |
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&Apache::lonxml::get_param('percenterror',$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,$token,'Function Plot Evaluation Rule'). |
&Apache::edit::end_row(); |
&Apache::edit::text_arg('Index:','index', |
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$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 $result; |
} |
} |
Line 590 sub populate_arrays {
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Line 624 sub populate_arrays {
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if (defined($Apache::functionplotresponse::func[$xi])) { return 'no_func'; } |
if (defined($Apache::functionplotresponse::func[$xi])) { return 'no_func'; } |
$xiold=$xi; |
$xiold=$xi; |
# Function value |
# Function value |
$Apache::functionplotresponse::func[$xi]=&cubic_hermite($t,@yparms); |
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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} |
# Chain rule |
# Chain rule |
# dy/dx=dy/dt/(dx/dt) |
# dy/dx=dy/dt/(dx/dt) |
my $dxdt=&ddt_cubic_hermite($t,@xparms); |
my $dxdt=&ddt_cubic_hermite($t,@xparms); |
Line 677 sub start_functionplotresponse {
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Line 720 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 685 sub start_functionplotresponse {
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Line 728 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'],$token). |
&Apache::edit::end_row().&Apache::edit::start_spanning_row(); |
&Apache::edit::end_row().&Apache::edit::start_spanning_row(); |
Line 712 sub start_functionplotresponse {
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Line 755 sub start_functionplotresponse {
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sub compare_rel { |
sub compare_rel { |
my ($relationship,$value,$realval,$tol)=@_; |
my ($relationship,$value,$realval,$tol)=@_; |
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&Apache::lonnet::logthis("Rel $relationship Val $value RV $realval T $tol"); |
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# is the real value defined? |
# is the real value defined? |
unless (defined($realval)) { |
unless (defined($realval)) { |
if ($relationship eq 'eq') { |
if ($relationship eq 'eq') { |
Line 752 sub compare_rel {
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Line 792 sub compare_rel {
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} |
} |
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sub functionplotrulecheck { |
sub functionplotrulecheck { |
my ($rule,$xmin,$xmax,$tolfunc,$toldfdx,$told2fdx2)=@_; |
my ($rule,$xmin,$xmax,$ymin,$ymax)=@_; |
&Apache::lonnet::logthis("Rule $rule TolFunc $tolfunc TolDfDx $toldfdx TolD2fDx2 $told2fdx2"); |
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my ($label,$derivative,$xinitial,$xinitiallabel,$xfinal,$xfinallabel,$relationship,$value) |
# &Apache::lonnet::logthis("Rule $rule $xmin $xmax $ymin $ymax"); |
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my ($label,$derivative,$xinitial,$xinitiallabel,$xfinal,$xfinallabel,$relationship,$value,$percent) |
=split(/\:/,$rule); |
=split(/\:/,$rule); |
# if a hard value is set for the boundaries, it overrides the label |
$percent=($percent>0?$percent:5); |
if (($xinitial ne '') && ($xinitiallabel ne '')) { |
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$Apache::functionplotresponse::functionplotrulelabels{$xinitiallabel}=$xinitial; |
my $li=0; |
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my $lh=400; |
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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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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; |
} |
} |
if (($xfinal ne '') && ($xfinallabel ne '')) { |
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$Apache::functionplotresponse::functionplotrulelabels{$xfinallabel}=$xfinal; |
# if a hard value is set for the boundaries, it overrides the label |
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if (($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}=$li; |
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} |
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if (($xfinal ne '') && ($xfinallabel ne '') && ($xfinallabel ne 'end')) { |
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$lh=&array_index($xmin,$xmax,$xfinal); |
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$Apache::functionplotresponse::functionplotrulelabels{$xfinallabel}=$lh; |
} |
} |
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# if the label is defined, use it |
if (defined($Apache::functionplotresponse::functionplotrulelabels{$xinitiallabel})) { |
if (defined($Apache::functionplotresponse::functionplotrulelabels{$xinitiallabel})) { |
$xinitial=$Apache::functionplotresponse::functionplotrulelabels{$xinitiallabel}; |
$li=$Apache::functionplotresponse::functionplotrulelabels{$xinitiallabel}; |
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} else { |
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$li=&array_index($xmin,$xmax,$xinitial); |
} |
} |
if (defined($Apache::functionplotresponse::functionplotrulelabels{$xfinallabel})) { |
unless ($findupper) { |
$xfinal=$Apache::functionplotresponse::functionplotrulelabels{$xfinallabel}; |
if (defined($Apache::functionplotresponse::functionplotrulelabels{$xfinallabel})) { |
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$lh=$Apache::functionplotresponse::functionplotrulelabels{$xfinallabel}-1; |
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} else { |
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$lh=&array_index($xmin,$xmax,$xfinal); |
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} |
} |
} |
# Basic sanity checks |
# Basic sanity checks |
if ($xinitial eq '') { |
if ($li<0) { $li=0; } |
$xinitial=0; |
if ($lh>400) { $lh=400; } |
} |
if ($li>$lh) { |
if ($xfinal eq '') { |
$lh=$li; |
$xfinal=$xinitial; |
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} |
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if ($xinitial>$xfinal) { |
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$xfinal=$xinitial; |
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} |
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&Apache::lonnet::logthis("Init $xinitial Final $xfinal"); |
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my $tol=$tolfunc; |
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if ($derivative==2) { |
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$tol=$told2fdx2; |
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} elsif ($derivative==1) { |
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$tol=$toldfdx; |
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} |
} |
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my $li=&array_index($xmin,$xmax,$xinitial); |
# &Apache::lonnet::logthis("Init $xinitial=$li Final $xfinal=$lh Findupper: $findupper"); |
my $lh=&array_index($xmin,$xmax,$xfinal); |
my $tol=$percent*($ymax-$ymin)/100; |
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if ($xmax>$xmin) { |
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if ($derivative==2) { |
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$tol=4.*$tol/($xmax-$xmin); |
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} elsif ($derivative==1) { |
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$tol=2.*$tol/($xmax-$xmin); |
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} |
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} |
for (my $i=$li; $i<=$lh; $i++) { |
for (my $i=$li; $i<=$lh; $i++) { |
my $val; |
my $val; |
if ($derivative==2) { |
if ($derivative==2) { |
&Apache::lonnet::logthis("Second ". |
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$Apache::functionplotresponse::d2funcdx2[$i-1].'__'.$Apache::functionplotresponse::d2funcdx2[$i].'__'.$Apache::functionplotresponse::d2funcdx2[$i+1]); |
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$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]; |
} 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)) { |
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# &Apache::lonnet::logthis("Condition false $findupper at $i with $val tol:$tol from $value"); |
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if (($findupper) && ($i>$li)) { |
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$Apache::functionplotresponse::functionplotrulelabels{$xfinallabel}=$i; |
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# &Apache::lonnet::logthis("Setting $xfinallabel to $i"); |
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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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} |
} |
} |
return 1; |
return 1; |
} |
} |
Line 840 sub end_functionplotresponse {
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Line 909 sub end_functionplotresponse {
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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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my $percent=&Apache::lonxml::get_param('percenterror',$parstack,$safeeval); |
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$percent=(defined($percent)?$percent:5); |
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my $tolfunc=$percent*($ymax-$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=''; |
my $ad=''; |
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undef %Apache::functionplotresponse::functionplotrulelabels; |
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$Apache::functionplotresponse::functionplotrulelabels{'start'}=400; |
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$Apache::functionplotresponse::functionplotrulelabels{'end'}=0; |
if (&populate_arrays($internalid,$xmin,$xmax) eq 'no_func') { |
if (&populate_arrays($internalid,$xmin,$xmax) eq 'no_func') { |
$ad='NOT_FUNCTION'; |
$ad='NOT_FUNCTION'; |
} else { |
} else { |
# 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. |
undef %Apache::functionplotresponse::functionplotrulelabels; |
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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; |
} |
} |