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Diff for /loncom/homework/functionplotresponse.pm between versions 1.45 and 1.64

version 1.45, 2010/11/23 23:14:20 version 1.64, 2011/09/28 23:33:52
Line 61  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 74  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="cache_archive" value="geogebra.jar, geogebra_main.jar, geogebra_gui.jar, geogebra_cas.jar, geogebra_algos.jar, geogebra_export.jar, geogebra_javascript.jar, jlatexmath.jar, jlm_greek.jar, jlm_cyrillic.jar, geogebra_properties.jar" />   <param name="cache_archive" value="geogebra.jar, geogebra_main.jar, geogebra_gui.jar, geogebra_cas.jar, geogebra_export.jar, geogebra_algos.jar, geogebra_javascript.jar, geogebra_properties.jar, jlatexmath.jar, jlm_cyrillic.jar, jlm_greek.jar" />
  <param name="cache_version" value="3.9.115.0, 3.9.115.0, 3.9.115.0, 3.9.115.0, 3.9.115.0, 3.9.115.0, 3.9.115.0, 3.9.115.0, 3.9.115.0, 3.9.115.0, 3.9.115.0" />   <param name="cache_version" value="3.9.219.0, 3.9.219.0, 3.9.219.0, 3.9.219.0, 3.9.219.0, 3.9.219.0, 3.9.219.0, 3.9.219.0, 3.9.219.0, 3.9.219.0, 3.9.219.0" />
         <param name="framePossible" value="false" />          <param name="framePossible" value="false" />
   
         <param name="showResetIcon" value="false" />          <param name="showResetIcon" value="false" />
Line 108  sub init_script { Line 108  sub init_script {
           $script.="if (param=='applet_$id') { loaded_$id=true; }\n";            $script.="if (param=='applet_$id') { loaded_$id=true; }\n";
       }        }
       $script.="if (".join(' && ',map { "loaded_$_" } (@Apache::functionplotresponse::callscripts)).        $script.="if (".join(' && ',map { "loaded_$_" } (@Apache::functionplotresponse::callscripts)).
                ") { setTimeout('ggbInitAll()',20) }";                 ") { setTimeout('ggbInitAll()',200) }";
       my $calls=join("\n",map { "ggbInit_$_();" } (@Apache::functionplotresponse::callscripts));         my $calls=join("\n",map { "ggbInit_$_();" } (@Apache::functionplotresponse::callscripts)); 
       return (<<ENDGGBINIT);        return (<<ENDGGBINIT);
 <script type="text/javascript">  <script type="text/javascript">
Line 161  sub update_register { Line 161  sub update_register {
 # Set a point coordinate variable  # Set a point coordinate variable
 #  #
 sub set_point_coordinate {  sub set_point_coordinate {
    my ($id,$variable,$x,$y)=@_;     my ($id,$variable,$x,$y,$fixed)=@_;
      my $mult=($fixed?'a*':'');
    return (<<ENDSETVARIABLE);     return (<<ENDSETVARIABLE);
 document.ggbApplet_$id.evalCommand("$variable=($x,$y)");  document.ggbApplet_$id.evalCommand("a=1");
   document.ggbApplet_$id.evalCommand("$variable=$mult($x,$y)");
 document.ggbApplet_$id.setLabelVisible("$variable",false);  document.ggbApplet_$id.setLabelVisible("$variable",false);
 ENDSETVARIABLE  ENDSETVARIABLE
 }  }
Line 172  ENDSETVARIABLE Line 174  ENDSETVARIABLE
 # Set a slope coordinate variable  # Set a slope coordinate variable
 #  #
 sub set_slope_coordinate {  sub set_slope_coordinate {
    my ($id,$variable,$xrel,$yrel,$xmin,$xmax,$ymin,$ymax,$pointname)=@_;     my ($id,$variable,$xrel,$yrel,$xmin,$xmax,$ymin,$ymax,$pointname,$fixed)=@_;
    my $xvariable=$variable.'x';     my $xvariable=$variable.'x';
    my $yvariable=$variable.'y';     my $yvariable=$variable.'y';
    my $domain=$xmax-$xmin;     my $domain=$xmax-$xmin;
    my $range=$ymax-$ymin;     my $range=$ymax-$ymin;
    my $xinterval=$domain/100.;     my $xinterval=$domain/100.;
    my $yinterval=$range/200.;     my $yinterval=$range/200.;
      my $mult=($fixed?'a*':'');
    return (<<ENDSETSVARIABLE);     return (<<ENDSETSVARIABLE);
 document.ggbApplet_$id.evalCommand("$xvariable=Slider[0,$domain,$xinterval]");  document.ggbApplet_$id.evalCommand("a=1");
   document.ggbApplet_$id.evalCommand("$xvariable=Slider[$xinterval,$domain,$xinterval]");
 document.ggbApplet_$id.setVisible("$xvariable", false);  document.ggbApplet_$id.setVisible("$xvariable", false);
 document.ggbApplet_$id.evalCommand("$xvariable=$xrel");  document.ggbApplet_$id.evalCommand("$xvariable=$xrel");
 document.ggbApplet_$id.evalCommand("$yvariable=Slider[-$range,$range,$yinterval]");  document.ggbApplet_$id.evalCommand("$yvariable=Slider[-$range,$range,$yinterval]");
 document.ggbApplet_$id.setVisible("$yvariable", false);  document.ggbApplet_$id.setVisible("$yvariable", false);
 document.ggbApplet_$id.evalCommand("$yvariable=$yrel");  document.ggbApplet_$id.evalCommand("$yvariable=$yrel");
 document.ggbApplet_$id.evalCommand("$variable=($xvariable+x($pointname),$yvariable+y($pointname))");  document.ggbApplet_$id.evalCommand("$variable=$mult($xvariable+x($pointname),$yvariable+y($pointname))");
 document.ggbApplet_$id.setLabelVisible("$variable", false);  document.ggbApplet_$id.setLabelVisible("$variable", false);
 ENDSETSVARIABLE  ENDSETSVARIABLE
 }  }
Line 215  sub generate_input_field { Line 219  sub generate_input_field {
 # Initialize a new point coordinate variable at set a listener on it  # Initialize a new point coordinate variable at set a listener on it
 #  #
 sub new_point_coordinate {  sub new_point_coordinate {
     my ($id,$variable,$x,$y)=@_;      my ($id,$variable,$x,$y,$fixed)=@_;
     if (defined($Apache::functionplotresponse::previous{&field_name($id,$variable,'x')})) {      if (defined($Apache::functionplotresponse::previous{&field_name($id,$variable,'x')})) {
        $x=$Apache::functionplotresponse::previous{&field_name($id,$variable,'x')};         $x=$Apache::functionplotresponse::previous{&field_name($id,$variable,'x')};
     }      }
Line 223  sub new_point_coordinate { Line 227  sub new_point_coordinate {
        $y=$Apache::functionplotresponse::previous{&field_name($id,$variable,'y')};         $y=$Apache::functionplotresponse::previous{&field_name($id,$variable,'y')};
     }      }
     &generate_input_field($id,$variable,$x,$y);      &generate_input_field($id,$variable,$x,$y);
     return &set_point_coordinate($id,$variable,$x,$y).&update_register($id,$variable);      return &set_point_coordinate($id,$variable,$x,$y,$fixed).&update_register($id,$variable);
 }  }
   
 #  #
 # Initialize a new slope coordinate variable at set a listener on it  # Initialize a new slope coordinate variable at set a listener on it
 #  #
 sub new_slope_coordinate {  sub new_slope_coordinate {
     my ($id,$variable,$x,$y,$pointname,$xp,$yp,$xmin,$xmax,$ymin,$ymax)=@_;      my ($id,$variable,$x,$y,$pointname,$xp,$yp,$xmin,$xmax,$ymin,$ymax,$fixed)=@_;
 #  #
 # $variable: name of the slope point  # $variable: name of the slope point
 # $x, $y: coordinates of the slope point  # $x, $y: coordinates of the slope point
Line 253  sub new_slope_coordinate { Line 257  sub new_slope_coordinate {
     &generate_input_field($id,$variable,$x,$y);      &generate_input_field($id,$variable,$x,$y);
     my $xrel=$x-$xp;      my $xrel=$x-$xp;
     my $yrel=$y-$yp;      my $yrel=$y-$yp;
     return &set_slope_coordinate($id,$variable,$xrel,$yrel,$xmin,$xmax,$ymin,$ymax,$pointname).&update_register($id,$variable);      return &set_slope_coordinate($id,$variable,$xrel,$yrel,$xmin,$xmax,$ymin,$ymax,$pointname,$fixed).&update_register($id,$variable);
 }  }
   
 #  #
Line 329  ENDYOFFAXISLABEL Line 333  ENDYOFFAXISLABEL
     return $return;      return $return;
 }  }
   
   #
   # Subroutine to produce background and answer plots
   #
   
 sub plot_script {  sub plot_script {
    my ($id,$function,$fixed,$label,$xmin,$xmax)=@_;     my ($id,$function,$fixed,$label,$color,$xmin,$xmax,$thickness)=@_;
    $label=~s/\W//g;     $label=~s/\W//g;
    if (($label) && ($label!~/^[A-Za-z]/)) {     if (($label) && ($label!~/^[A-Za-z]/)) {
       $label='C'.$label;        $label='C'.$label;
Line 342  sub plot_script { Line 350  sub plot_script {
       $Apache::functionplotresponse::counter++;        $Apache::functionplotresponse::counter++;
       $label='C'.$Apache::functionplotresponse::counter;        $label='C'.$Apache::functionplotresponse::counter;
    }     }
      my $rc=0;
      my $gc=0;
      my $bc=0;
      if ($color) {
         my ($rh,$gh,$bh)=($color=~/(..)(..)(..)/);
         $rc=hex($rh);
         $gc=hex($gh);
         $bc=hex($bh);
      }
    if ($fixed) {     if ($fixed) {
       return "document.ggbApplet_$id.evalCommand('$label=Function[$function,$xmin,$xmax]');\n".        return "document.ggbApplet_$id.evalCommand('$label=Function[$function,$xmin,$xmax]');\n".
              ($visible?'':"document.ggbApplet_$id.setLabelVisible('$label', false);\n");               ($visible?'':"document.ggbApplet_$id.setLabelVisible('$label', false);\n").
                ($color?"document.ggbApplet_$id.setColor('$label',$rc,$gc,$bc);\n":'').
                ($thickness?"document.ggbApplet_$id.setLineThickness('$label',$thickness);\n":'');
    } else {     } else {
        return "document.ggbApplet_$id.evalCommand('y=$function')";         return "document.ggbApplet_$id.evalCommand('y=$function');\n";
      }
   }
   
   #
   # Answer spline display
   # 
   # points: x,y,slope_x,slope_y
   
   sub answer_spline_script {
      my ($id,@points)=@_;
      my $order=int(($#points+1)/4);
      if ($order<2) { $order=2; }
      if ($order>8) { $order=8; }
      $Apache::functionplotresponse::counter++;
      my $label='CSpline'.$Apache::functionplotresponse::counter;
      my $output='document.ggbApplet_'.$id.'.evalCommand("'.$label.'=Spline'.$order.'[';
      for (my $i=0;$i<=$#points;$i+=4) {
         $output.="($points[$i],$points[$i+1]),($points[$i+2],$points[$i+3]),";
    }     }
      $output=~s/\,$//;
      $output.=']");'."\n";
      for (my $i=2; $i<2*$order; $i+=2) {
          $output.='document.ggbApplet_'.$id.'.setColor("'.$label.'_'.($i>=10?'{':'').$i.($i>=10?'}':'').'",0,170,0);'."\n";
      }
      for (my $i=1; $i<2*$order; $i+=2) {
          $output.='document.ggbApplet_'.$id.'.setVisible("'.$label.'_'.($i>=10?'{':'').$i.($i>=10?'}':'').'",false);'."\n";
      }
   
      return $output;
 }  }
   
 #  #
Line 355  sub plot_script { Line 402  sub plot_script {
 #  #
   
 sub generate_spline {  sub generate_spline {
    my ($id,$label,$xmin,$xmax,$ymin,$ymax)=@_;     my ($id,$label,$xmin,$xmax,$ymin,$ymax,$fixed)=@_;
    my $result='';     my $result='';
    my $order=$Apache::functionplotresponse::splineorder{$label};     my $order=$Apache::functionplotresponse::splineorder{$label};
    my $x=$Apache::functionplotresponse::splineinitx{$label};     my $x=$Apache::functionplotresponse::splineinitx{$label};
Line 364  sub generate_spline { Line 411  sub generate_spline {
    my $sy=$Apache::functionplotresponse::splinescaley{$label};     my $sy=$Apache::functionplotresponse::splinescaley{$label};
    my @coords=();     my @coords=();
    foreach my $i (1..$order) {     foreach my $i (1..$order) {
        $result.=&new_point_coordinate($id,$label.'P'.$i,$x,$y);         $result.=&new_point_coordinate($id,$label.'P'.$i,$x,$y,$fixed);
        my $xp=$x;         my $xp=$x;
        $x+=$sx/(2.*($order-1));         $x+=$sx/(2.*($order-1));
        push(@coords,$label.'P'.$i);         push(@coords,$label.'P'.$i);
        $result.=&new_slope_coordinate($id,$label.'S'.$i,$x,$y+$sy,$label.'P'.$i,$xp,$y,$xmin,$xmax,$ymin,$ymax);         $result.=&new_slope_coordinate($id,$label.'S'.$i,$x,$y+$sy,$label.'P'.$i,$xp,$y,$xmin,$xmax,$ymin,$ymax,$fixed);
        $x+=$sx/(2.*($order-1));         $x+=$sx/(2.*($order-1));
        push(@coords,$label.'S'.$i);         push(@coords,$label.'S'.$i);
    }     }
Line 383  sub start_backgroundplot { Line 430  sub start_backgroundplot {
    my $result='';     my $result='';
    my $internalid = $Apache::inputtags::part.'_'.$Apache::inputtags::response[-1];     my $internalid = $Apache::inputtags::part.'_'.$Apache::inputtags::response[-1];
    my $function=&Apache::lonxml::get_param('function',$parstack,$safeeval);     my $function=&Apache::lonxml::get_param('function',$parstack,$safeeval);
      my $xinitial=&Apache::lonxml::get_param('xinitial',$parstack,$safeeval);
      my $xfinal=&Apache::lonxml::get_param('xfinal',$parstack,$safeeval);
    my $label=&Apache::lonxml::get_param('label',$parstack,$safeeval);     my $label=&Apache::lonxml::get_param('label',$parstack,$safeeval);
      my $color=&Apache::lonxml::get_param('color',$parstack,$safeeval);
      $color=~s/[^a-fA-F0-9]//gs;
      unless (length($color)==6) { $color=''; }
    my $fixed=(&Apache::lonxml::get_param('fixed',$parstack,$safeeval)=~/on|true|yes|1/i?1:0);     my $fixed=(&Apache::lonxml::get_param('fixed',$parstack,$safeeval)=~/on|true|yes|1/i?1:0);
     
    unless ($function) { $function="0"; }     unless ($function) { $function="0"; }
    if ($target eq 'web') {     if ($target eq 'web') {
       my ($xmin,$xmax,$ymin,$ymax)=&boundaries($parstack,$safeeval,-3);        my ($xmin,$xmax,$ymin,$ymax)=&boundaries($parstack,$safeeval,-3);
       $result.=&plot_script($internalid,$function,$fixed,$label,$xmin,$xmax);        unless (defined($xinitial)) { $xinitial=$xmin; }
         unless (defined($xfinal)) { $xfinal=$xmax; }
         $result.=&plot_script($internalid,$function,$fixed,$label,$color,$xinitial,$xfinal);
    } elsif ($target eq 'edit') {     } elsif ($target eq 'edit') {
         $result=&Apache::edit::tag_start($target,$token,'Background Function Plot').          $result=&Apache::edit::tag_start($target,$token,'Background Function Plot').
              &Apache::edit::text_arg('Function:','function',               &Apache::edit::text_arg('Function:','function',
                                      $token,'16').                                       $token,'16').
                &Apache::edit::text_arg('Initial x-value (optional):','xinitial',
                                        $token,'8').
                &Apache::edit::text_arg('Final x-value (optional):','xfinal',
                                        $token,'8').
              &Apache::edit::text_arg('Label on Plot:','label',               &Apache::edit::text_arg('Label on Plot:','label',
                                      $token,'8').                                       $token,'8').
                &Apache::edit::text_arg('Color (hex code):','color',
                                        $token,'8').
              &Apache::edit::select_arg('Fixed location:','fixed',               &Apache::edit::select_arg('Fixed location:','fixed',
                                   ['yes','no'],$token).                                    ['yes','no'],$token).
              &Apache::edit::end_row();               &Apache::edit::end_row();
   } elsif ($target eq 'modified') {    } elsif ($target eq 'modified') {
     my $constructtag=&Apache::edit::get_new_args($token,$parstack,      my $constructtag=&Apache::edit::get_new_args($token,$parstack,
                                                  $safeeval,'function','label','fixed');                                                   $safeeval,'function','label','xinitial','xfinal','color','fixed');
     if ($constructtag) { $result=&Apache::edit::rebuild_tag($token); }      if ($constructtag) { $result=&Apache::edit::rebuild_tag($token); }
   }    }
   return $result;    return $result;
Line 508  sub start_functionplotrule { Line 568  sub start_functionplotrule {
                                      $token,'8').                                       $token,'8').
              &Apache::edit::end_row();               &Apache::edit::end_row();
   } elsif ($target eq 'modified') {    } elsif ($target eq 'modified') {
       if (($env{'form.'.&Apache::edit::html_element_name('xinitial')} ne '') && ($env{'form.'.&Apache::edit::html_element_name('xinitiallabel')} eq 'start')) {
          $env{'form.'.&Apache::edit::html_element_name('xinitiallabel')}='';
       }
       if (($env{'form.'.&Apache::edit::html_element_name('xfinal')} ne '') && ($env{'form.'.&Apache::edit::html_element_name('xfinallabel')} eq 'end')) {
          $env{'form.'.&Apache::edit::html_element_name('xfinallabel')}='';
       }
     my $constructtag=&Apache::edit::get_new_args($token,$parstack,      my $constructtag=&Apache::edit::get_new_args($token,$parstack,
                                                  $safeeval,'index','derivativeorder',                                                   $safeeval,'index','derivativeorder',
                                                            'xinitial','xinitiallabel','xfinal','xfinallabel',                                                             'xinitial','xinitiallabel','xfinal','xfinallabel',
Line 685  sub array_index { Line 751  sub array_index {
 #  #
   
 sub populate_arrays {  sub populate_arrays {
     my ($id,$xmin,$xmax)=@_;      my ($id,$xmin,$xmax,$ymin,$ymax)=@_;
     for (my $i=0; $i<=400; $i++) {      for (my $i=0; $i<=400; $i++) {
        $Apache::functionplotresponse::actualxval[$i]=undef;         $Apache::functionplotresponse::actualxval[$i]=undef;
        $Apache::functionplotresponse::func[$i]=undef;         $Apache::functionplotresponse::func[$i]=undef;
Line 713  sub populate_arrays { Line 779  sub populate_arrays {
                 my $xi=&array_index($xmin,$xmax,$xreal);                  my $xi=&array_index($xmin,$xmax,$xreal);
                 if ($xi<$xiold) { return 'no_func'; }                  if ($xi<$xiold) { return 'no_func'; }
                 if (($xi>$xiold) && ($xi>=0) && ($xi<=400)) {                  if (($xi>$xiold) && ($xi>=0) && ($xi<=400)) {
                    if (defined($Apache::functionplotresponse::func[$xi])) { return 'no_func'; }  
                    $xiold=$xi;                     $xiold=$xi;
                    $Apache::functionplotresponse::actualxval[$xi]=$xreal;                     $Apache::functionplotresponse::actualxval[$xi]=$xreal;
 # Function value  # Function value
                    my $funcval=&cubic_hermite($t,@yparms);                     my $funcval=&cubic_hermite($t,@yparms);
   
   # Do we already have a value for this point, and is it different from the new one?
                      if ((defined($Apache::functionplotresponse::func[$xi])) &&
                          (abs($Apache::functionplotresponse::func[$xi]-$funcval)>($ymax-$ymin)/100.)) { 
                          return 'no_func'; 
                      }
   # Okay, remember the new point
                    $Apache::functionplotresponse::func[$xi]=$funcval;                     $Apache::functionplotresponse::func[$xi]=$funcval;
   
                    if (defined($funcval)) {                     if (defined($funcval)) {
                       if ($xi<$Apache::functionplotresponse::functionplotrulelabels{'start'}) {                        if ($xi<$Apache::functionplotresponse::functionplotrulelabels{'start'}) {
                          $Apache::functionplotresponse::functionplotrulelabels{'start'}=$xi;                           $Apache::functionplotresponse::functionplotrulelabels{'start'}=$xi;
Line 788  sub start_functionplotresponse { Line 861  sub start_functionplotresponse {
        .'<tr><td><span class="LC_nobreak">'.&mt('Function Plot Question').'</span></td>'         .'<tr><td><span class="LC_nobreak">'.&mt('Function Plot Question').'</span></td>'
        .'<td><span class="LC_nobreak">'.&mt('Delete?').' '         .'<td><span class="LC_nobreak">'.&mt('Delete?').' '
        .&Apache::edit::deletelist($target,$token).'&nbsp;&nbsp;&nbsp;'         .&Apache::edit::deletelist($target,$token).'&nbsp;&nbsp;&nbsp;'
        .&Apache::edit::insertlist($target,$token)         .&Apache::edit::insertlist($target,$token).'&nbsp;&nbsp;&nbsp;'
          .&Apache::loncommon::help_open_topic('Function_Plot_Response_Question','Function Plot Responses')
        .'</span></td>'         .'</span></td>'
        ."<td>&nbsp;"         ."<td>&nbsp;"
        .&Apache::edit::end_row()         .&Apache::edit::end_row()
Line 811  sub start_functionplotresponse { Line 885  sub start_functionplotresponse {
              &Apache::edit::select_arg('y-axis visible:','yaxisvisible',               &Apache::edit::select_arg('y-axis visible:','yaxisvisible',
                                   ['yes','no'],$token).'<br />'.                                    ['yes','no'],$token).'<br />'.
              &Apache::edit::select_arg('Grid visible:','gridvisible',               &Apache::edit::select_arg('Grid visible:','gridvisible',
                                   ['yes','no'],$token).                                    ['yes','no'],$token).'<br />'.
                &Apache::edit::text_arg('Background plot(s) for answer (function(x):xmin:xmax,function(x):xmin:xmax,x1:y1:sx1:sy1:x2:y2:sx2:sy2,...):',
                                            'answerdisplay',$token,'50').
              &Apache::edit::end_row().&Apache::edit::start_spanning_row();               &Apache::edit::end_row().&Apache::edit::start_spanning_row();
   } elsif ($target eq 'modified') {    } elsif ($target eq 'modified') {
     my $constructtag=&Apache::edit::get_new_args($token,$parstack,      my $constructtag=&Apache::edit::get_new_args($token,$parstack,
                                                  $safeeval,'xlabel','xmin','xmax','ylabel','ymin','ymax',                                                   $safeeval,'xlabel','xmin','xmax','ylabel','ymin','ymax',
                                                            'xaxisvisible','yaxisvisible','gridvisible');                                                             'xaxisvisible','yaxisvisible','gridvisible','answerdisplay');
     if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }      if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
   
   } elsif ($target eq 'meta') {    } elsif ($target eq 'meta') {
Line 912  sub functionplotrulecheck { Line 988  sub functionplotrulecheck {
    $percent=($percent>0?$percent:5);     $percent=($percent>0?$percent:5);
    &addlog("=================");     &addlog("=================");
    &addlog("Rule $label for ".($derivative<0?'integral':('function itself','first derivative','second derivative')[$derivative])." $relationship $value");     &addlog("Rule $label for ".($derivative<0?'integral':('function itself','first derivative','second derivative')[$derivative])." $relationship $value");
      if ((defined($minimumlength)) || (defined($maximumlength))) {
         &addlog("Minimumlength $minimumlength Maximumlength $maximumlength");
      }
    my $li=0;     my $li=0;
    my $lh=400;     my $lh=400;
   
Line 1006  sub functionplotrulecheck { Line 1085  sub functionplotrulecheck {
            &addlog("Actual value ".(defined($val)?$val:'undef').", expected $value, tolerance $tol");             &addlog("Actual value ".(defined($val)?$val:'undef').", expected $value, tolerance $tol");
            &addlog("Condition not fulfilled at x=".&actualval($i,$xmin,$xmax)." (".$Apache::functionplotresponse::actualxval[$i]."; index $i)");             &addlog("Condition not fulfilled at x=".&actualval($i,$xmin,$xmax)." (".$Apache::functionplotresponse::actualxval[$i]."; index $i)");
            if (($findupper) && ($i>$li)) {             if (($findupper) && ($i>$li)) {
 # check for minimum and maximum lengths  # Check lengths
               my $length=&actualval($i,$xmin,$xmax)-&actualval($li,$xmin,$xmax);                unless (&checklength($i,$li,$minimumlength,$maximumlength,$xmin,$xmax,$label)) { return 0; }
               if ($minimumlength) {  # Successfully found a new label, set it
                  if ($length<$minimumlength) {  
                     &addlog("Rule $label failed, actual length $length, minimum length $minimumlength");  
                     return 0;  
                  }  
               }  
               if ($maximumlength) {  
                  if ($length>$maximumlength) {  
                     &addlog("Rule $label failed, actual length $length, maximum length $maximumlength");  
                     return 0;  
                  }  
               }  
               $Apache::functionplotresponse::functionplotrulelabels{$xfinallabel}=$i;                $Apache::functionplotresponse::functionplotrulelabels{$xfinallabel}=$i;
               &addlog("Rule $label passed, setting label $xfinallabel");                &addlog("Rule $label passed, setting label $xfinallabel");
               return 1;                return 1;
            } else {             } else {
               &addlog("Rule $label failed.");                &addlog("Rule $label failed.");
               my $hintlabel=$label;                &setfailed($label);
               $hintlabel=~s/^R//;  
               push(@Apache::functionplotresponse::failedrules,$hintlabel);  
               &addlog("Set hint condition $hintlabel");  
               return 0;                 return 0; 
            }             }
         }          }
      }       }
    }     }
   # Corner case where this makes sense: using start or stop as defined labels
      unless (&checklength($lh,$li,$minimumlength,$maximumlength,$xmin,$xmax,$label)) { return 0; }
    &addlog("Rule $label passed.");     &addlog("Rule $label passed.");
    return 1;     return 1;
 }  }
   
   #
   # check for minimum and maximum lengths
   #
   
   sub checklength {
       my ($i,$li,$minimumlength,$maximumlength,$xmin,$xmax,$label)=@_;
       unless (($minimumlength) || ($maximumlength)) { return 1; }
       my $length=&actualval($i,$xmin,$xmax)-&actualval($li,$xmin,$xmax);
       if ($minimumlength) {
          if ($length<$minimumlength) {
             &addlog("Rule $label failed, actual length $length, minimum length $minimumlength");
             &setfailed($label);
             return 0;
          }
       }
       if ($maximumlength) {
          if ($length>$maximumlength) {
             &addlog("Rule $label failed, actual length $length, maximum length $maximumlength");
             &setfailed($label);
             return 0;
          }
       }
       return 1;
   }
   
   sub setfailed {
      my ($label)=@_;
      my $hintlabel=$label;
      $hintlabel=~s/^R//;
      push(@Apache::functionplotresponse::failedrules,$hintlabel);
      &addlog("Set hint condition $hintlabel");
   }
   
 sub start_functionplotruleset {  sub start_functionplotruleset {
    my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
    if ($target eq 'edit') {     if ($target eq 'edit') {
Line 1045  sub start_functionplotruleset { Line 1145  sub start_functionplotruleset {
         '<tr><td><span class="LC_nobreak">'.&mt('Function Plot Rule Set').'</span></td>'          '<tr><td><span class="LC_nobreak">'.&mt('Function Plot Rule Set').'</span></td>'
        .'<td><span class="LC_nobreak">'.&mt('Delete?').' '         .'<td><span class="LC_nobreak">'.&mt('Delete?').' '
        .&Apache::edit::deletelist($target,$token).'&nbsp;&nbsp;&nbsp;'.         .&Apache::edit::deletelist($target,$token).'&nbsp;&nbsp;&nbsp;'.
         &Apache::edit::insertlist($target,$token)          &Apache::edit::insertlist($target,$token).'&nbsp;&nbsp;&nbsp;'
          .&Apache::loncommon::help_open_topic('Function_Plot_Response_Rule_Set','Function Plot Rules')
        .'</span></td>'         .'</span></td>'
        ."<td>&nbsp;"         ."<td>&nbsp;"
        .&Apache::edit::end_row()         .&Apache::edit::end_row()
Line 1075  sub end_functionplotruleset { Line 1176  sub end_functionplotruleset {
         $Apache::functionplotresponse::ruleslog='';          $Apache::functionplotresponse::ruleslog='';
         $Apache::functionplotresponse::functionplotrulelabels{'start'}=400;          $Apache::functionplotresponse::functionplotrulelabels{'start'}=400;
         $Apache::functionplotresponse::functionplotrulelabels{'end'}=0;          $Apache::functionplotresponse::functionplotrulelabels{'end'}=0;
         if (&populate_arrays($internalid,$xmin,$xmax) eq 'no_func') {          if (&populate_arrays($internalid,$xmin,$xmax,$ymin,$ymax) eq 'no_func') {
            $ad='NOT_FUNCTION';             $ad='NOT_FUNCTION';
         } else {          } else {
            &addlog("Start of function ".&actualval($Apache::functionplotresponse::functionplotrulelabels{'start'},$xmin,$xmax)." (index ".             &addlog("Start of function ".&actualval($Apache::functionplotresponse::functionplotrulelabels{'start'},$xmin,$xmax)." (index ".
Line 1147  sub end_functionplotelements { Line 1248  sub end_functionplotelements {
   if ($target eq 'edit' ) {    if ($target eq 'edit' ) {
      $result=&Apache::edit::end_table();       $result=&Apache::edit::end_table();
   } elsif ($target eq 'web') {    } elsif ($target eq 'web') {
 # Now is the time to render all of the stored splines  
      my ($xmin,$xmax,$ymin,$ymax)=&boundaries($parstack,$safeeval,-2);       my ($xmin,$xmax,$ymin,$ymax)=&boundaries($parstack,$safeeval,-2);
   
   # Are we in show answer mode?
        my $showanswer=&Apache::response::show_answer();
        if ($showanswer) {
   # Render answerdisplay
           my $answerdisplay=&Apache::lonxml::get_param('answerdisplay',$parstack,$safeeval,-2);
           if ($answerdisplay=~/\S/s) {
              foreach my $plot (split(/\s*\,\s*/,$answerdisplay)) {
                 my @components=split(/\s*\:\s*/,$plot);
                 if ($#components<3) {
   # Just a simple plot
                    my ($func,$xl,$xh)=@components;
                    if ((!defined($xl)) || ($xl eq '')) { $xl=$xmin; }
                    if ((!defined($xh)) || ($xh eq '')) { $xh=$xmax; }
                    $result.=&plot_script($internalid,$func,1,'','00aa00',$xl,$xh,6);
                 } else {
   # This is a spline
                    $result.=&answer_spline_script($internalid,@components);
                 }
              }
           }
        }
        my $fixed=0;
        if (($showanswer) || (&Apache::response::check_status()>=2)) { $fixed=1; }
   # Now is the time to render all of the stored splines
      foreach my $label (keys(%Apache::functionplotresponse::splineorder)) {       foreach my $label (keys(%Apache::functionplotresponse::splineorder)) {
         $result.=&generate_spline($internalid,$label,$xmin,$xmax,$ymin,$ymax);          $result.=&generate_spline($internalid,$label,$xmin,$xmax,$ymin,$ymax,$fixed);
      }       }
 # close the init script  # close the init script
      $result.=&end_init_script();       $result.=&end_init_script();
Line 1206  sub start_functionplotelements { Line 1331  sub start_functionplotelements {
         '<tr><td><span class="LC_nobreak">'.&mt('Function Plot Elements').'</span></td>'          '<tr><td><span class="LC_nobreak">'.&mt('Function Plot Elements').'</span></td>'
        .'<td><span class="LC_nobreak">'.&mt('Delete?').' '         .'<td><span class="LC_nobreak">'.&mt('Delete?').' '
        .&Apache::edit::deletelist($target,$token).'&nbsp;&nbsp;&nbsp;'.         .&Apache::edit::deletelist($target,$token).'&nbsp;&nbsp;&nbsp;'.
         &Apache::edit::insertlist($target,$token)          &Apache::edit::insertlist($target,$token).'&nbsp;&nbsp;&nbsp;'
          .&Apache::loncommon::help_open_topic('Function_Plot_Response_Elements','Function Plot Elements')
        .'</span></td>'         .'</span></td>'
        ."<td>&nbsp;"         ."<td>&nbsp;"
        .&Apache::edit::end_row()         .&Apache::edit::end_row()
Removed from v.1.45  
changed lines
  Added in v.1.64

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