--- loncom/xml/lonplot.pm	2007/02/21 20:47:49	1.116
+++ loncom/xml/lonplot.pm	2007/10/09 22:26:54	1.118.2.3
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Dynamic plot
 #
-# $Id: lonplot.pm,v 1.116 2007/02/21 20:47:49 albertel Exp $
+# $Id: lonplot.pm,v 1.118.2.3 2007/10/09 22:26:54 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -274,10 +274,10 @@ my %gnuplot_defaults =
          },
      gridtype     => {
 	 default     => 'Cartesian',
-	 test        => sub {$_[0]=~/^(Polar|Cartesian)$/},
+	 test        => sub {$_[0]=~/^(Polar|Cartesian|Linear-Log|Log-Linear|Log-Log)$/},
 	 description => 'Grid type:',
 	 edit_type   => 'choice',
-         choices     => ['Cartesian','Polar']
+         choices     => ['Cartesian','Polar','Linear-Log','Log-Linear','Log-Log']
          },
      lmargin      => {
 	 default     => 'default',
@@ -467,7 +467,7 @@ my %axis_defaults =
 	 }
      );
 
-my @curve_edit_order = ('color','name','linestyle','pointtype','pointsize','limit');
+my @curve_edit_order = ('color','name','linestyle','linewidth','pointtype','pointsize','limit');
 
 my %curve_defaults = 
     (
@@ -492,14 +492,13 @@ my %curve_defaults =
 	 edit_type   => 'choice',
 	 choices     => [keys(%linestyles)]
 	 },
-# gnuplots term=gif driver does not handle linewidth :(
-#     linewidth => {
-#         default     => 1,
-#         test        => $int_test,
-#         description => 'Line width (may not apply to all line styles)',
-#         edit_type   => 'choice',
-#         choices     => [1,2,3,4,5,6,7,8,9,10]
-#         },
+     linewidth => {
+         default     => 1,
+         test        => $int_test,
+         description => 'Line width (may not apply to all line styles)',
+         edit_type   => 'choice',
+         choices     => [1,2,3,4,5,6,7,8,9,10]
+         },
      pointsize => {
          default     => 1,
          test        => $pos_real_test,
@@ -863,7 +862,6 @@ sub start_curve {
 	    ($token,$parstack,$safeeval,keys(%curve_defaults));
 	if ($constructtag) {
 	    $result = &Apache::edit::rebuild_tag($token);
-	    $result.= &Apache::edit::handle_insert();
 	}
     }
     return $result;
@@ -1124,6 +1122,13 @@ sub write_gnuplot_file {
     # cartesian or polar grid?
     if (lc($Apache::lonplot::plot{'gridtype'}) eq 'polar') {
         $gnuplot_input .= 'set grid polar'.$/;
+    } elsif (lc($Apache::lonplot::plot{'gridtype'}) eq 'linear-log') {
+        $gnuplot_input .= 'set logscale x'.$/;
+    } elsif (lc($Apache::lonplot::plot{'gridtype'}) eq 'log-linear') {
+        $gnuplot_input .= 'set logscale y'.$/;
+    } elsif (lc($Apache::lonplot::plot{'gridtype'}) eq 'log-log') {
+        $gnuplot_input .= 'set logscale x'.$/;
+        $gnuplot_input .= 'set logscale y'.$/;
     } else {
         # Assume Cartesian
     }
@@ -1233,12 +1238,15 @@ sub write_gnuplot_file {
     for (my $i = 0;$i<=$#curves;$i++) {
 	$curve = $curves[$i];
 	$gnuplot_input.= ', ' if ($i > 0);
+	if ($target eq 'tex') {
+	    $curve->{'linewidth'} *= 2;
+	}
 	if (exists($curve->{'function'})) {
 	    $gnuplot_input.= 
 		$curve->{'function'}.' title "'.
 		$curve->{'name'}.'" with '.
                 $curve->{'linestyle'};
-            $gnuplot_input.= ' linewidth 4 ' if ($target eq 'tex');
+
             if (($curve->{'linestyle'} eq 'points')      ||
                 ($curve->{'linestyle'} eq 'linespoints') ||
                 ($curve->{'linestyle'} eq 'errorbars')   ||
@@ -1250,6 +1258,8 @@ sub write_gnuplot_file {
             } elsif ($curve->{'linestyle'} eq 'filledcurves') { 
                 $gnuplot_input.= ' '.$curve->{'limit'};
             }
+            $gnuplot_input.= ' linewidth '.$curve->{'linewidth'};
+
 	} elsif (exists($curve->{'data'})) {
 	    # Store data values in $datatext
 	    my $datatext = '';
@@ -1273,7 +1283,6 @@ sub write_gnuplot_file {
 	    $gnuplot_input.= '"'.$datafilename.'" title "'.
 		$curve->{'name'}.'" with '.
 		$curve->{'linestyle'};
-            $gnuplot_input.= ' linewidth 4 ' if ($target eq 'tex');
             if (($curve->{'linestyle'} eq 'points')      ||
                 ($curve->{'linestyle'} eq 'linespoints') ||
                 ($curve->{'linestyle'} eq 'errorbars')   ||
@@ -1285,6 +1294,7 @@ sub write_gnuplot_file {
             } elsif ($curve->{'linestyle'} eq 'filledcurves') { 
                 $gnuplot_input.= ' '.$curve->{'limit'};
             }
+            $gnuplot_input.= ' linewidth '.$curve->{'linewidth'};
 	}
     }
     # Write the output to a file.