--- loncom/cgi/graph.png 2002/02/01 11:47:34 1.9 +++ loncom/cgi/graph.png 2002/08/06 18:10:03 1.14 @@ -1,6 +1,6 @@ #!/usr/bin/perl # -# $Id: graph.png,v 1.9 2002/02/01 11:47:34 minaeibi Exp $ +# $Id: graph.png,v 1.14 2002/08/06 18:10:03 minaeibi Exp $ # # Copyright Michigan State University Board of Trustees # @@ -29,7 +29,7 @@ # YEAR=2001 # 9/13/01, 9/25/01, 10/6/01, 10/9/01, 12/25/01 # YEAR=2002 -# 2/1/02 +# 2/1/, 5/13, 5/15 # A CGI script that dynamically outputs a graphical chart for lonstatistics. # #### @@ -40,51 +40,89 @@ 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 ($Titr,$xlab,$ylab,$Max,$PNo,$data1,$data2)=split(/&/,$ENV{'QUERY_STRING'}); + +my @data11=split(/\,/,$data1); +my @data12=split(/\,/,$data2); -my @data1=split(/\,/,$data); - my @xlabels; for (my $nIdx=0; $nIdx<$PNo; $nIdx++ ) { $xlabels[$nIdx]=$nIdx+1; } -my @data =(\@xlabels,\@data1); -my $Range; -if ( $PNo > 10 ) {$Range = 30*$PNo;} -else { $Range = 400+30*$PNo; } -$Max += (10 - $Max % 10); -$Max = int($Max); -my $MyGraph = GD::Graph::bars->new($Range, 400); +my @data =(\@xlabels,\@data11,\@data12); + +my $Range1; +my $Range2; + +if ($xlab=~/^Concepts$/){ + $Range1=270; + $Range2=200; +} else { + if ( $PNo > 10 ) { + $Range1 = 20*$PNo; + } else { + $Range1 = 250+30*$PNo; + } + $Range2=200; +} + + +my $MyGraph = GD::Graph::bars->new($Range1,$Range2); $MyGraph->set( - x_label => 'Problems #', - y_label => $Tag, - title => 'LON-CAPA Graphical Chart, Course: '.$cid, + x_label => $xlab, + y_label => $ylab, + long_ticks => 1, + tick_length => 0, + x_ticks => 0, + title => $Titr, y_max_value => $Max, - y_tick_number => 10, - y_label_skip => 1, - x_label_skip => 2, - - # colors - dclrs => [ qw( green lblue lyellow lpurple cyan lorange)], +# y_tick_number => $ytic, + y_label_skip => 1, + + dclrs => [ qw( lgreen dgreen lyellow lpurple cyan lorange)], - # shadows - bar_spacing => 4, - shadow_depth => 1, - shadowclr => 'dred', + bar_spacing => 10, + cumulate => 2, + zero_axis => 1, + +# legend_placement => 'RT', + + fgclr => 'black', + boxclr => 'white', + accentclr => 'dblue', + valuesclr => '#ffff77', + l_margin => 10, + b_margin => 10, + r_margin => 10, + t_margin => 10, transparent => 0, ) or warn $MyGraph->error; +#if ($xlab=~/^Concepts$/){ +# $MyGraph->set_legend( 'Correct Answers', 'Incorrect Answers'); +#} + + # Tell the server we are sending a gif graphic print <set_y_label_font('/home/httpd/cgi-bin/cetus.ttf', 16); +#$MyGraph->set_x_label_font('/home/httpd/cgi-bin/cetus.ttf', 16); +#$MyGraph->set_y_axis_font('/home/httpd/cgi-bin/cetus.ttf', 12); +#$MyGraph->set_x_axis_font('/home/httpd/cgi-bin/cetus.ttf', 12); +#$MyGraph->set_title_font('/home/httpd/cgi-bin/cetus.ttf', 18); +#$MyGraph->set_legend_font('/home/httpd/cgi-bin/cetus.ttf', 10); +#$MyGraph->set_values_font('/home/httpd/cgi-bin/cetus.ttf', 10); + + my $BinaryData=$MyGraph->plot(\@data)->png; undef $MyGraph; binmode(STDOUT); @@ -92,4 +130,3 @@ open IMG,"|pngtopnm|ppmtogif 2>/dev/null print IMG $BinaryData; # output image $|=1; # be sure to flush before closing close IMG; - 500 Internal Server Error

Internal Server Error

The server encountered an internal error or misconfiguration and was unable to complete your request.

Please contact the server administrator at root@localhost to inform them of the time this error occurred, and the actions you performed just before this error.

More information about this error may be available in the server error log.