--- loncom/cgi/graph.png	2001/10/10 16:03:26	1.2
+++ loncom/cgi/graph.png	2001/12/21 14:45:36	1.4
@@ -9,10 +9,11 @@
 # A CGI script that dynamically outputs a graphical chart for lonstatistics.
 
 use strict;
-use GD::Graph::bars;
+use GD::Graph::bars3d;
 use GD::Graph::colour;
 use GD::Graph::Data;
 
+$|=1;   # Autoflush after each print/write
 my ($cid, $Tag, $Max, $PNo, $data) = split(/&/,$ENV{'QUERY_STRING'});
 
 my @data1=split(/\,/,$data);
@@ -27,11 +28,11 @@ my $Range;
 if ( $PNo > 10 ) {$Range = 30*$PNo;}
 else { $Range = 300+30*$PNo; }
 
-if ( $Max < 1 ) { $Max = 1; }
-elsif ( $Max < 10 ) { $Max = 10; }
-elsif ( $Max < 100 ) { $Max = 100; }
+if ( $Max <= 1 ) { $Max = 1; }
+elsif ( $Max <= 10 ) { $Max = 10; }
+elsif ( $Max >= 60 ) { $Max = 100; }
 
-my $MyGraph = GD::Graph::bars->new($Range, 400);
+my $MyGraph = GD::Graph::bars3d->new($Range, 400);
 
 $MyGraph->set( 
     x_label         => 'Problems #',
@@ -43,7 +44,7 @@ $MyGraph->set(
     x_label_skip    => 2,
     
     # colors
-    dclrs           => [ qw(green lblue lyellow lpurple cyan lorange)],
+    dclrs           => [ qw( green lblue lyellow lpurple cyan lorange)],
     
     # shadows
     bar_spacing     => 4,
@@ -66,3 +67,4 @@ open IMG,"|pngtopnm|ppmtogif 2>/dev/null
 print IMG $BinaryData; # output image
 $|=1; # be sure to flush before closing
 close IMG;
+