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Diff for /loncom/xml/lonplot.pm between versions 1.159 and 1.162

version 1.159, 2012/07/09 11:11:47 version 1.162, 2012/07/17 10:49:53
Line 139  my $sml_test       = sub {$_[0]=~/^(\d+| Line 139  my $sml_test       = sub {$_[0]=~/^(\d+|
 my $linestyle_test = sub {exists($linestyles{$_[0]})};  my $linestyle_test = sub {exists($linestyles{$_[0]})};
 my $words_test     = sub {$_[0]=~s/\s+/ /g;$_[0]=~/^([\w~!\@\#\$\%^&\*\(\)-=_\+\[\]\{\}:\;\'<>,\.\/\?\\]+ ?)+$/};  my $words_test     = sub {$_[0]=~s/\s+/ /g;$_[0]=~/^([\w~!\@\#\$\%^&\*\(\)-=_\+\[\]\{\}:\;\'<>,\.\/\?\\]+ ?)+$/};
   
   my $arrowhead_test = sub{$_[0]=~/^(nohead|head|heads| )+$/};
   my $arrowstyle_test= sub{$_[0]=~/^(filled|empty|nofilled)+$/};
   my $degree_test  = sub{&$pos_real_test($_[0]) && ($_[0] <= 360.0)};
   
 ###################################################################  ###################################################################
 ##                                                               ##  ##                                                               ##
 ##                      Attribute metadata                       ##  ##                      Attribute metadata                       ##
Line 533  my %axis_defaults = Line 537  my %axis_defaults =
       },        },
      );       );
   
 my @curve_edit_order = ('color','name','linestyle','linewidth','linetype','pointtype','pointsize','limit');  my @curve_edit_order = ('color','name','linestyle','linewidth','linetype',
    'pointtype','pointsize','limit', 'arrowhead', 'arrowstyle', 
    'arrowlength', 'arrowangle', 'arrowbackangle'
       );
   
 my %curve_defaults =   my %curve_defaults = 
     (      (
Line 594  my %curve_defaults = Line 601  my %curve_defaults =
          edit_type   => 'choice',           edit_type   => 'choice',
          choices     => ['above', 'below', 'closed','x1','x2','y1','y2']           choices     => ['above', 'below', 'closed','x1','x2','y1','y2']
          },           },
        arrowhead => {
            default     => 'head',
    test        => $arrowhead_test,
    description => 'Vector arrow head type',
    edit_type   => 'choice',
    choices     => ['nohead', 'head', 'heads']
        },
        arrowstyle => {
    default     => 'filled',
    test        => $arrowstyle_test,
    description => 'Vector arrow head style',
    edit_type   => 'choice',
    choices     => ['filled', 'empty', 'nofilled']
        },
        arrowlength => {
    default     => 0.02,
    test        => $pos_real_test,
    description => "Length of vector arrow (only applies to vector plots)",
    edit_type   => 'entry',
    size        => '5'
        },
        arrowangle  => {
    default      => 10.0,
    test         => $degree_test,
    description  => 'Angle of arrow branches to arrow body (only applies to vector plots)',
    edit_type    => 'entry',
    size         => '5'
        },
   
        arrowbackangle => {
    default    => 90.0,
    test       => $degree_test,
    descripton => 'Angle of arrow back lines to branches.',
    edit_type  => 'entry',
    size       => '5'
        }
   
      );       );
   
 ###################################################################  ###################################################################
Line 1592  sub get_attributes{ Line 1636  sub get_attributes{
     }      }
     return ;      return ;
 }  }
   ##
   # Generate tic mark specifications.
   # 
   # @param type - type of tics (xtics or ytics).
   # @param spec - Reference to a hash that contains the tic specification.
   # @param target - 'tex' if hard copy target.
   #
   # @return string - the tic specification command.
   #
   sub generate_tics {
       my ($type, $spec, $target) = @_;
       my $result   = '';
   
   
       if (defined %$spec) {
   
   
   
    # Major tics:
   
    $result .= "set $type $spec->{'location'}  ";
    $result .= ($spec->{'mirror'} eq 'on') ? 'mirror ' : 'nomirror ';
    $result .= "$spec->{'start'}, ";
    $result .= "$spec->{'increment'}, ";
    $result .= "$spec->{'end'} ";
    if ($target eq 'tex' ) {
       $result .= 'font "Helvetica,22"';
    }
    $result .= "\n";
   
    # minor frequency:
   
    if ($spec->{'minorfreq'} != 0) {
       $result .= "set m$type $spec->{'minorfreq'}\n";
    }
       } else {
    $result .= "set $type font " . '"Helvetica,22"' ."\n";
       }
   
   
       return $result;
   }
   
 ##------------------------------------------------------- write_gnuplot_file  ##------------------------------------------------------- write_gnuplot_file
 sub write_gnuplot_file {  sub write_gnuplot_file {
Line 1734  sub write_gnuplot_file { Line 1820  sub write_gnuplot_file {
         $gnuplot_input .= "set ylabel \"$ylabel\" $extra_space_y \n" if (defined($ylabel));          $gnuplot_input .= "set ylabel \"$ylabel\" $extra_space_y \n" if (defined($ylabel));
     }      }
     # tics      # tics
     if (%xtics) {          $gnuplot_input .= &generate_tics('xtics', \%xtics, $target);
  $gnuplot_input .= "set xtics $xtics{'location'} ";  
  $gnuplot_input .= ( $xtics{'mirror'} eq 'on'?"mirror ":"nomirror ");      $gnuplot_input .= &generate_tics('ytics', \%ytics, $target);
  $gnuplot_input .= "$xtics{'start'}, ";  
  $gnuplot_input .= "$xtics{'increment'}, ";  
  $gnuplot_input .= "$xtics{'end'} ";  
  if ($target eq 'tex') {  
     $gnuplot_input .= 'font "Helvetica,22"';     # Needed in iso 8859-1 enc.  
  }  
  $gnuplot_input .= "\n";  
         if ($xtics{'minorfreq'} != 0) {  
             $gnuplot_input .= "set mxtics ".$xtics{'minorfreq'}."\n";  
         }   
     } else {  
  if ($target eq 'tex') {  
     $gnuplot_input .= 'set xtics font "Helvetica,22"'."\n"; # needed in iso 8859-1 enc  
  }  
     }  
     if (%ytics) {      
  $gnuplot_input .= "set ytics $ytics{'location'} ";  
  $gnuplot_input .= ( $ytics{'mirror'} eq 'on'?"mirror ":"nomirror ");  
  $gnuplot_input .= "$ytics{'start'}, ";  
  $gnuplot_input .= "$ytics{'increment'}, ";  
         $gnuplot_input .= "$ytics{'end'} ";  
         if ($target eq 'tex') {  
             $gnuplot_input .= 'font "Helvetica,22"'; # Needed in iso-8859-1 encoding.  
         }  
         $gnuplot_input .= "\n";  
         if ($ytics{'minorfreq'} != 0) {  
             $gnuplot_input .= "set mytics ".$ytics{'minorfreq'}."\n";  
         }   
     } else {  
  if ($target eq 'tex') {  
     $gnuplot_input .= 'set ytics font "Helvetica,22"'."\n"; # Needed for iso 8859-1 enc.  
  }  
     }  
     # axis      # axis
     if (%axis) {      if (%axis) {
         if ($axis{'xformat'} ne 'on') {          if ($axis{'xformat'} ne 'on') {
Line 1850  sub write_gnuplot_file { Line 1904  sub write_gnuplot_file {
     my $linestyle_index = 50;      my $linestyle_index = 50;
     my $line_width   = '';      my $line_width   = '';
   
       # If arrows are needed there will be an arrow style for each as well:
       #
   
       my $arrow_style_index = 50;
   
     my $plot_command;      my $plot_command;
     my $plot_type;      my $plot_type;
   
Line 1892  sub write_gnuplot_file { Line 1951  sub write_gnuplot_file {
  my $pointtype = '';   my $pointtype = '';
  my $pointsize = '';   my $pointsize = '';
   
    # Figure out the linestyle:
   
    my $lt = $curve->{'linetype'} ne '' ? $curve->{'linetype'} 
                   : 'solid'; # Line type defaults to solid.
    # The mapping of lt -> the actual gnuplot line type depends on the target:
   
    if ($target eq 'tex') {
       $lt = $ps_linetypes{$lt};
    } else {
       $lt = $linetypes{$lt}
    }
   
    my $color = $curve->{'color'};
    $color =~ s/^x/#/;        # Convert xhex color -> #hex color.   
   
    my $style_command = "set style line $linestyle_index $pointtype $pointsize linetype $lt linewidth $line_width lc rgb '$color'\n";
    $gnuplot_input .= $style_command;
   
   
   
  if (($curve->{'linestyle'} eq 'points')      ||   if (($curve->{'linestyle'} eq 'points')      ||
     ($curve->{'linestyle'} eq 'linespoints') ||      ($curve->{'linestyle'} eq 'linespoints') ||
     ($curve->{'linestyle'} eq 'errorbars')   ||      ($curve->{'linestyle'} eq 'errorbars')   ||
Line 1903  sub write_gnuplot_file { Line 1982  sub write_gnuplot_file {
     $pointsize =' pointsize '.$curve->{'pointsize'};      $pointsize =' pointsize '.$curve->{'pointsize'};
  } elsif ($curve->{'linestyle'} eq 'filledcurves') {    } elsif ($curve->{'linestyle'} eq 'filledcurves') { 
     $plot_command.= ' '.$curve->{'limit'};      $plot_command.= ' '.$curve->{'limit'};
  }    } elsif ($curve->{'linestyle'} eq 'vector') {
   
       # Create the arrow head style add it to 
       # $gnuplot_input..and ensure it gets
       # Selected in the plot command.
   
  # Figure out the linestyle:      $gnuplot_input .= "set style arrow $arrow_style_index ";
       $gnuplot_input .= ' ' . $curve->{'arrowhead'};
       $gnuplot_input .= ' size ' . $curve->{'arrowlength'};
       $gnuplot_input .= ','.$curve->{'arrowangle'};
       $gnuplot_input .= ',' . $curve->{'arrowbackangle'}; 
       $gnuplot_input .=  ' ' . $curve->{'arrowstyle'} . " ls $linestyle_index\n";
   
  my $lt = $curve->{'linetype'} ne '' ? $curve->{'linetype'}   
                 : 'solid'; # Line type defaults to solid.  
  # The mapping of lt -> the actual gnuplot line type depends on the target:  
   
  if ($target eq 'tex') {      $plot_command  .= "  arrowstyle $arrow_style_index ";
     $lt = $ps_linetypes{$lt};      $arrow_style_index++;
  } else {  
     $lt = $linetypes{$lt}  
  }   }
   
  my $color = $curve->{'color'};  
  $color =~ s/^x/#/;        # Convert xhex color -> #hex color.     
   
  my $style_command = "set style line $linestyle_index $pointtype $pointsize linetype $lt linewidth $line_width lc rgb '$color'\n";  
  $gnuplot_input .= $style_command;  
   
  $plot_command.= " ls $linestyle_index";  
    # The condition below is because gnuplot lumps the linestyle in with the 
    # arrowstyle _sigh_.
   
    if ($curve->{'linestyle'} ne 'vector') {
       $plot_command.= " ls $linestyle_index";
    }
   
  $gnuplot_input .= 'plot ' . $plot_type . ' ' . $plot_command . "\n";   $gnuplot_input .= 'plot ' . $plot_type . ' ' . $plot_command . "\n";
  $linestyle_index++; # Each curve get a unique linestyle.   $linestyle_index++; # Each curve get a unique linestyle.
     }      }
     # Write the output to a file.      # Write the output to a file.
     open (my $fh,">$tmpdir$filename.data");      &Apache::lonnet::logthis($gnuplot_input);
     # binmode($fh, ":utf8");      open (my $fh, "> $tmpdir$filename.data");
       binmode($fh, ':utf8');
     print $fh $gnuplot_input;      print $fh $gnuplot_input;
     close($fh);      close($fh);
     # That's all folks.      # That's all folks.
Removed from v.1.159  
changed lines
  Added in v.1.162

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