version 1.148, 2008/09/02 19:55:23
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version 1.152, 2009/11/14 19:13:36
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# http://www.lon-capa.org/ |
# http://www.lon-capa.org/ |
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# |
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package Apache::lonplot; |
package Apache::lonplot; |
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use strict; |
use strict; |
Line 57 BEGIN {
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Line 60 BEGIN {
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} |
} |
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=pod |
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## |
## |
## Description of data structures: |
## Description of data structures: |
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## |
Line 88 BEGIN {
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Line 93 BEGIN {
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## ## |
## ## |
################################################################### |
################################################################### |
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=cut |
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my $max_str_len = 50; # if a label, title, xlabel, or ylabel text |
my $max_str_len = 50; # if a label, title, xlabel, or ylabel text |
# is longer than this, it will be truncated. |
# is longer than this, it will be truncated. |
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Line 448 my %tic_defaults =
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Line 455 my %tic_defaults =
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}, |
}, |
); |
); |
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my @axis_edit_order = ('color','xmin','xmax','ymin','ymax','xformat', 'yformat'); |
my @axis_edit_order = ('color','xmin','xmax','ymin','ymax','xformat', 'yformat', 'xzero', 'yzero'); |
my %axis_defaults = |
my %axis_defaults = |
( |
( |
color => { |
color => { |
Line 496 my %axis_defaults =
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Line 503 my %axis_defaults =
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yformat => { |
yformat => { |
default => 'on', |
default => 'on', |
test => sub {$_[0]=~/^(on|off|\d+(f|F|e|E))$/}, |
test => sub {$_[0]=~/^(on|off|\d+(f|F|e|E))$/}, |
description => 'X-axis number formatting', |
description => 'Y-axis number formatting', |
edit_type => 'choice', |
edit_type => 'choice', |
choices => ['on', 'off', '2e', '2f'], |
choices => ['on', 'off', '2e', '2f'], |
}, |
}, |
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xzero => { |
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default => 'off', |
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test => sub {$_[0]=~/^(off|line|thick-line|dotted)$/}, |
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description => 'Show x-zero (y=0) axis', |
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edit_type => 'choice', |
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choices => ['off', 'line', 'thick-line', 'dotted'], |
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}, |
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yzero => { |
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default => 'off', |
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test => sub {$_[0]=~/^(off|line|thick-line|dotted)$/}, |
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description => 'Show y-zero (x=0) axis', |
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edit_type => 'choice', |
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choices => ['off', 'line', 'thick-line', 'dotted'], |
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}, |
); |
); |
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my @curve_edit_order = ('color','name','linestyle','linewidth','linetype','pointtype','pointsize','limit'); |
my @curve_edit_order = ('color','name','linestyle','linewidth','linetype','pointtype','pointsize','limit'); |
Line 1433 sub start_data {
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Line 1455 sub start_data {
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} |
} |
# complain if the number of data points is not the same as |
# complain if the number of data points is not the same as |
# in previous sets of data. |
# in previous sets of data. |
if (($curves[-1]->{'data'}) && ($#data != $#{@{$curves[-1]->{'data'}->[0]}})){ |
if (($curves[-1]->{'data'}) && ($#data != $#{$curves[-1]->{'data'}->[0]})){ |
&Apache::lonxml::warning |
&Apache::lonxml::warning |
('Number of data points is not consistent with previous '. |
('Number of data points is not consistent with previous '. |
'number of data points'); |
'number of data points'); |
Line 1728 sub write_gnuplot_file {
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Line 1750 sub write_gnuplot_file {
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} |
} |
$gnuplot_input .= "set xrange \[$axis{'xmin'}:$axis{'xmax'}\]\n"; |
$gnuplot_input .= "set xrange \[$axis{'xmin'}:$axis{'xmax'}\]\n"; |
$gnuplot_input .= "set yrange \[$axis{'ymin'}:$axis{'ymax'}\]\n"; |
$gnuplot_input .= "set yrange \[$axis{'ymin'}:$axis{'ymax'}\]\n"; |
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if ($axis{'xzero'} ne 'off') { |
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$gnuplot_input .= "set xzeroaxis "; |
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if ($axis{'xzero'} eq 'line' || $axis{'xzero'} eq 'thick-line') { |
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$gnuplot_input .= "lt -1 "; |
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if ($axis{'xzero'} eq 'thick-line') { |
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$gnuplot_input .= "lw 3 "; |
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} |
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} |
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$gnuplot_input .= "\n"; |
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} |
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if ($axis{'yzero'} ne 'off') { |
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$gnuplot_input .= "set yzeroaxis "; |
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if ($axis{'yzero'} eq 'line' || $axis{'yzero'} eq 'thick-line') { |
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$gnuplot_input .= "lt -1 "; |
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if ($axis{'yzero'} eq 'thick-line') { |
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$gnuplot_input .= "lw 3 "; |
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} |
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} |
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$gnuplot_input .= "\n"; |
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} |
} |
} |
# Key |
# Key |
if (%key) { |
if (%key) { |
Line 2016 sub insert_data {
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Line 2058 sub insert_data {
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__END__ |
__END__ |
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=head1 NAME |
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Apache::lonplot.pm |
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=head1 SYNOPSIS |
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XML-based plotter of graphs |
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This is part of the LearningOnline Network with CAPA project |
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described at http://www.lon-capa.org. |
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=head1 SUBROUTINES (parsing and edit rendering) |
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=over |
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=item start_gnuplot() |
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=item end_gnuplot() |
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=item start_xtics() |
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=item end_xtics() |
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=item start_ytics() |
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=item end_ytics() |
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=item get_font() |
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=item start_key() |
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=item end_key() |
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=item parse_label() |
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=item replace_entities() |
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=item start_title() |
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=item end_title() |
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=item start_xlabel() |
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=item end_xlabel() |
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=item start_ylabel() |
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=item end_label() |
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=item start_curve() |
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=item end_curve() |
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=item start_function() |
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=item end_function() |
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=item start_data() |
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=item end_data() |
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=item start_axis() |
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=item end_axis |
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=back |
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=head1 SUBROUTINES (Utility) |
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=over |
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=item set_defaults() |
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=item get_attributes() |
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=item write_gnuplot_file() |
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=item check_inputs() |
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=item edit_attributes() |
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=back |
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=head1 SUBROUTINES (Insertion functions for editing plots) |
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=over |
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=item insert_gnuplot() |
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=item insert_tics() |
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=item insert_xtics() |
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=item insert_key() |
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=item insert_axis() |
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=item insert_title() |
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=item insert_xlabel() |
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=item insert_ylabel() |
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=item insert_label() |
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=item insert_curve() |
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=item insert_function() |
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=item insert_data() |
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=back |
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=cut |