version 1.148.2.1, 2008/12/11 22:48:56
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version 1.184, 2020/02/02 20:12:31
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Line 26
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# http://www.lon-capa.org/ |
# http://www.lon-capa.org/ |
# |
# |
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package Apache::lonplot; |
package Apache::lonplot; |
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use strict; |
use strict; |
Line 36 use Apache::response;
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Line 39 use Apache::response;
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use Apache::lonxml; |
use Apache::lonxml; |
use Apache::edit; |
use Apache::edit; |
use Apache::lonnet; |
use Apache::lonnet; |
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use Apache::lonlocal; |
use LONCAPA; |
use LONCAPA; |
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use vars qw/$weboutputformat $version/; |
use vars qw/$weboutputformat $version $colorprefix/; |
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Line 53 BEGIN {
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Line 56 BEGIN {
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if ($version >= 4) { |
if ($version >= 4) { |
$weboutputformat = 'png'; |
$weboutputformat = 'png'; |
} |
} |
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$colorprefix = 'x'; |
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if ($version >= 4.6) { |
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$colorprefix = '#'; |
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} |
} |
} |
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=pod |
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## |
## |
## Description of data structures: |
## Description of data structures: |
## |
## |
Line 73 BEGIN {
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Line 81 BEGIN {
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## align |
## align |
## |
## |
## @labels: $labels[$i] = \%label |
## @labels: $labels[$i] = \%label |
## %label: text, xpos, ypos, justify |
## %label: text, xpos, ypos, justify, rotate, zlayer |
## |
## |
## @curves: $curves[$i] = \%curve |
## @curves: $curves[$i] = \%curve |
## %curve: name, linestyle, ( function | data ) |
## %curve: name, linestyle, ( function | data ) |
Line 88 BEGIN {
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Line 96 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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my %linetypes = |
my %linetypes = # For png use these linetypes. |
( |
( |
solid => 1, |
solid => 1, |
dashed => 0 |
dashed => 0 |
); |
); |
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my %ps_linetypes = # For ps the line types are different! |
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( |
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solid => 1, |
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dashed => 7 |
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); |
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my %linestyles = |
my %linestyles = |
( |
( |
Line 120 my $real_test =
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Line 135 my $real_test =
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sub {$_[0]=~s/\s+//g;$_[0]=~/^[+-]?\d*\.?\d*([eE][+-]\d+)?$/}; |
sub {$_[0]=~s/\s+//g;$_[0]=~/^[+-]?\d*\.?\d*([eE][+-]\d+)?$/}; |
my $pos_real_test = |
my $pos_real_test = |
sub {$_[0]=~s/\s+//g;$_[0]=~/^[+]?\d*\.?\d*([eE][+-]\d+)?$/}; |
sub {$_[0]=~s/\s+//g;$_[0]=~/^[+]?\d*\.?\d*([eE][+-]\d+)?$/}; |
my $color_test = sub {$_[0]=~s/\s+//g;$_[0]=~/^x[\da-fA-F]{6}$/}; |
my $color_test; |
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if ($version < 4.6) { |
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$color_test = sub {$_[0]=~s/\s+//g;$_[0]=~s/^\#/x/;$_[0]=~s/^x+/x/;$_[0]=~/^x[\da-fA-F]{6}$/}; |
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} else { |
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$color_test = sub {$_[0]=~s/\s+//g;$_[0]=~s/^x/#/;$_[0]=~s/^\#+/#/;$_[0]=~/^\#[\da-fA-F]{6}$/}; |
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} |
my $onoff_test = sub {$_[0]=~/^(on|off)$/}; |
my $onoff_test = sub {$_[0]=~/^(on|off)$/}; |
my $key_pos_test = sub {$_[0]=~/^(top|bottom|right|left|outside|below| )+$/}; |
my $key_pos_test = sub {$_[0]=~/^(top|bottom|right|left|outside|below| )+$/}; |
my $sml_test = sub {$_[0]=~/^(\d+|small|medium|large)$/}; |
my $sml_test = sub {$_[0]=~/^(\d+|small|medium|large)$/}; |
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~!\@\#\$\%^&\*\(\)-=_\+\[\]\{\}:\;\'<>,\.\/\?\\]+ ?)+$/}; |
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my $arrowhead_test = sub{$_[0]=~/^(nohead|head|heads| )+$/}; |
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my $arrowstyle_test= sub{$_[0]=~/^(filled|empty|nofilled)+$/}; |
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my $degree_test = sub{&$pos_real_test($_[0]) && ($_[0] <= 360.0)}; |
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################################################################### |
################################################################### |
## ## |
## ## |
## Attribute metadata ## |
## Attribute metadata ## |
Line 165 my %gnuplot_defaults =
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Line 189 my %gnuplot_defaults =
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size => '10' |
size => '10' |
}, |
}, |
bgcolor => { |
bgcolor => { |
default => 'xffffff', |
default => $colorprefix.'ffffff', |
test => $color_test, |
test => $color_test, |
description => 'Background color of image (xffffff)', |
description => 'Background color of image ('.$colorprefix.'ffffff)', |
edit_type => 'entry', |
edit_type => 'entry', |
size => '10' |
size => '10', |
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class => 'colorchooser' |
}, |
}, |
fgcolor => { |
fgcolor => { |
default => 'x000000', |
default => $colorprefix.'000000', |
test => $color_test, |
test => $color_test, |
description => 'Foreground color of image (x000000)', |
description => 'Foreground color of image ('.$colorprefix.'000000)', |
edit_type => 'entry', |
edit_type => 'entry', |
size => '10' |
size => '10', |
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class => 'colorchooser' |
}, |
}, |
transparent => { |
transparent => { |
default => 'off', |
default => 'off', |
Line 235 my %gnuplot_defaults =
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Line 261 my %gnuplot_defaults =
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test => sub {$_[0]=~/^(left|right|middle|center)$/}, |
test => sub {$_[0]=~/^(left|right|middle|center)$/}, |
description => 'Alignment for image in HTML', |
description => 'Alignment for image in HTML', |
edit_type => 'choice', |
edit_type => 'choice', |
choices => ['left','right','middle'] |
choices => ['left','right','middle','center'] |
}, |
}, |
texwidth => { |
texwidth => { |
default => '93', |
default => '93', |
Line 344 my %gnuplot_defaults =
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Line 370 my %gnuplot_defaults =
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}, |
}, |
); |
); |
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my %key_defaults = |
my %key_defaults = |
( |
( |
title => { |
title => { |
Line 398 my %label_defaults =
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Line 425 my %label_defaults =
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description => 'Rotation of label (degrees)', |
description => 'Rotation of label (degrees)', |
edit_type => 'entry', |
edit_type => 'entry', |
size => '10', |
size => '10', |
} |
}, |
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zlayer => { |
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default => '', |
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test => sub {$_[0]=~/^(front|back)$/}, |
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description => 'Z position of label', |
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edit_type => 'choice', |
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choices => ['front','back'], |
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}, |
); |
); |
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my @tic_edit_order = ('location','mirror','start','increment','end', |
my @tic_edit_order = ('location','mirror','start','increment','end', |
Line 445 my %tic_defaults =
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Line 479 my %tic_defaults =
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description => 'Number of minor tics per major tic mark', |
description => 'Number of minor tics per major tic mark', |
edit_type => 'entry', |
edit_type => 'entry', |
size => '10' |
size => '10' |
}, |
}, |
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rotate => { |
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default => 'off', |
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test => $onoff_test, |
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description => 'Rotate tic label by 90 degrees if on', |
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edit_type => 'onoff' |
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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 => { |
default => 'x000000', |
default => $colorprefix.'000000', |
test => $color_test, |
test => $color_test, |
description => 'Color of grid lines (x000000)', |
description => 'Color of grid lines ('.$colorprefix.'000000)', |
edit_type => 'entry', |
edit_type => 'entry', |
size => '10' |
size => '10', |
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class => 'colorchooser' |
}, |
}, |
xmin => { |
xmin => { |
default => '-10.0', |
default => '-10.0', |
Line 488 my %axis_defaults =
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Line 529 my %axis_defaults =
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}, |
}, |
xformat => { |
xformat => { |
default => 'on', |
default => 'on', |
test => sub {$_[0]=~/^(on|off|\d+(f|F|e|E))$/}, |
test => sub {$_[0]=~/^(on|off|\d+(f|F|e|E|P(|\s*[Pp][Ii])))$/}, |
description => 'X-axis number formatting', |
description => 'X-axis number formatting', |
edit_type => 'choice', |
edit_type => 'choice', |
choices => ['on', 'off', '2e', '2f'], |
choices => ['on', 'off', '2e', '2f'], |
}, |
}, |
yformat => { |
yformat => { |
default => 'on', |
default => 'on', |
test => sub {$_[0]=~/^(on|off|\d+(f|F|e|E))$/}, |
test => sub {$_[0]=~/^(on|off|\d+(f|F|e|E|P(|\s*[Pp][Ii])))$/}, |
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'); |
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my @curve_edit_order = ('color','name','linestyle','linewidth','linetype', |
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'pointtype','pointsize','limit', 'arrowhead', 'arrowstyle', |
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'arrowlength', 'arrowangle', 'arrowbackangle' |
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); |
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my %curve_defaults = |
my %curve_defaults = |
( |
( |
color => { |
color => { |
default => 'x000000', |
default => $colorprefix.'000000', |
test => $color_test, |
test => $color_test, |
description => 'Color of curve (x000000)', |
description => 'Color of curve ('.$colorprefix.'000000)', |
edit_type => 'entry', |
edit_type => 'entry', |
size => '10' |
size => '10', |
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class => 'colorchooser' |
}, |
}, |
name => { |
name => { |
default => '', |
default => '', |
Line 563 my %curve_defaults =
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Line 624 my %curve_defaults =
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edit_type => 'choice', |
edit_type => 'choice', |
choices => ['above', 'below', 'closed','x1','x2','y1','y2'] |
choices => ['above', 'below', 'closed','x1','x2','y1','y2'] |
}, |
}, |
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arrowhead => { |
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default => 'head', |
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test => $arrowhead_test, |
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description => 'Vector arrow head type', |
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edit_type => 'choice', |
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choices => ['nohead', 'head', 'heads'] |
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}, |
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arrowstyle => { |
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default => 'filled', |
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test => $arrowstyle_test, |
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description => 'Vector arrow head style', |
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edit_type => 'choice', |
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choices => ['filled', 'empty', 'nofilled'] |
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}, |
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arrowlength => { |
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default => 0.02, |
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test => $pos_real_test, |
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description => "Length of vector arrow (only applies to vector plots)", |
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edit_type => 'entry', |
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size => '5' |
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}, |
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arrowangle => { |
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default => 10.0, |
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test => $degree_test, |
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description => 'Angle of arrow branches to arrow body (only applies to vector plots)', |
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edit_type => 'entry', |
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size => '5' |
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}, |
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arrowbackangle => { |
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default => 90.0, |
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test => $degree_test, |
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descripton => 'Angle of arrow back lines to branches.', |
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edit_type => 'entry', |
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size => '5' |
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} |
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); |
); |
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################################################################### |
################################################################### |
Line 574 my %curve_defaults =
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Line 672 my %curve_defaults =
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undef %Apache::lonplot::plot; |
undef %Apache::lonplot::plot; |
my (%key,%axis,$title,$xlabel,$ylabel,@labels,@curves,%xtics,%ytics); |
my (%key,%axis,$title,$xlabel,$ylabel,@labels,@curves,%xtics,%ytics); |
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my $current_tics; # Reference to the current tick hash |
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sub start_gnuplot { |
sub start_gnuplot { |
undef(%Apache::lonplot::plot); undef(%key); undef(%axis); |
undef(%Apache::lonplot::plot); undef(%key); undef(%axis); |
undef($title); undef($xlabel); undef($ylabel); |
undef($title); undef($xlabel); undef($ylabel); |
Line 582 sub start_gnuplot {
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Line 682 sub start_gnuplot {
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# |
# |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my $result=''; |
my $result=''; |
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&Apache::lonxml::register('Apache::lonplot', |
&Apache::lonxml::register('Apache::lonplot', |
('title','xlabel','ylabel','key','axis','label','curve', |
('title','xlabel','ylabel','key','axis','label','curve', |
'xtics','ytics')); |
'xtics','ytics')); |
Line 590 sub start_gnuplot {
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Line 691 sub start_gnuplot {
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&get_attributes(\%Apache::lonplot::plot,\%gnuplot_defaults,$parstack,$safeeval, |
&get_attributes(\%Apache::lonplot::plot,\%gnuplot_defaults,$parstack,$safeeval, |
$tagstack->[-1]); |
$tagstack->[-1]); |
} elsif ($target eq 'edit') { |
} elsif ($target eq 'edit') { |
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&fixup_colors($token,['bgcolor','fgcolor']); |
$result .= &Apache::edit::tag_start($target,$token,'GnuPlot'); |
$result .= &Apache::edit::tag_start($target,$token,'GnuPlot'); |
$result .= &edit_attributes($target,$token,\%gnuplot_defaults, |
$result .= &edit_attributes($target,$token,\%gnuplot_defaults, |
\@gnuplot_edit_order) |
\@gnuplot_edit_order) |
Line 598 sub start_gnuplot {
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Line 700 sub start_gnuplot {
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} elsif ($target eq 'modified') { |
} elsif ($target eq 'modified') { |
my $constructtag=&Apache::edit::get_new_args |
my $constructtag=&Apache::edit::get_new_args |
($token,$parstack,$safeeval,keys(%gnuplot_defaults)); |
($token,$parstack,$safeeval,keys(%gnuplot_defaults)); |
if ($constructtag) { |
my $fixed = &fixup_colors($token,['bgcolor','fgcolor']); |
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if ($constructtag || $fixed) { |
$result = &Apache::edit::rebuild_tag($token); |
$result = &Apache::edit::rebuild_tag($token); |
} |
} |
} |
} |
Line 612 sub end_gnuplot {
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Line 715 sub end_gnuplot {
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('title','xlabel','ylabel','key','axis','label','curve')); |
('title','xlabel','ylabel','key','axis','label','curve')); |
my $result = ''; |
my $result = ''; |
my $randnumber; |
my $randnumber; |
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my $tmpdir =LONCAPA::tempdir(); # Where temporary files live: |
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# need to call rand everytime start_script would evaluate, as the |
# need to call rand everytime start_script would evaluate, as the |
# safe space rand number generator and the global rand generator |
# safe space rand number generator and the global rand generator |
# are not separate |
# are not separate |
Line 623 sub end_gnuplot {
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Line 728 sub end_gnuplot {
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&check_inputs(); # Make sure we have all the data we need |
&check_inputs(); # Make sure we have all the data we need |
## |
## |
## Determine filename |
## Determine filename |
my $tmpdir = '/home/httpd/perl/tmp/'; |
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my $filename = $env{'user.name'}.'_'.$env{'user.domain'}. |
my $filename = $env{'user.name'}.'_'.$env{'user.domain'}. |
'_'.time.'_'.$$.$randnumber.'_plot'; |
'_'.time.'_'.$$.$randnumber.'_plot'; |
## Write the plot description to the file |
## Write the plot description to the file |
Line 631 sub end_gnuplot {
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Line 735 sub end_gnuplot {
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$filename = &escape($filename); |
$filename = &escape($filename); |
## return image tag for the plot |
## return image tag for the plot |
if ($target eq 'web') { |
if ($target eq 'web') { |
$result .= <<"ENDIMAGE"; |
my $srcatt = "src=\"/cgi-bin/plot.$weboutputformat?file=$filename.data\""; |
<img src = "/cgi-bin/plot.$weboutputformat?file=$filename.data" |
my $widthatt = "width=\"$Apache::lonplot::plot{'width'}\""; |
width = "$Apache::lonplot::plot{'width'}" |
my $heightatt = "height=\"$Apache::lonplot::plot{'height'}\""; |
height = "$Apache::lonplot::plot{'height'}" |
my $alignatt = "align=\"$Apache::lonplot::plot{'align'}\""; |
align = "$Apache::lonplot::plot{'align'}" |
my $altatt = "alt=\"$Apache::lonplot::plot{'alttag'}\""; |
alt = "$Apache::lonplot::plot{'alttag'}" /> |
if ($Apache::lonplot::plot{'align'} eq 'center') { |
ENDIMAGE |
$result .= '<div style="text-align:center">'. |
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"<img $srcatt $widthatt $heightatt $altatt>". |
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"</div>\n"; |
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} else { |
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$result .= "<img $srcatt $widthatt $heightatt $alignatt $altatt>"; |
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} |
} elsif ($target eq 'tex') { |
} elsif ($target eq 'tex') { |
&Apache::lonxml::debug(" gnuplot wid = $Apache::lonplot::plot{'width'}"); |
&Apache::lonxml::debug(" gnuplot wid = $Apache::lonplot::plot{'width'}"); |
&Apache::lonxml::debug(" gnuplot ht = $Apache::lonplot::plot{'height'}"); |
&Apache::lonxml::debug(" gnuplot ht = $Apache::lonplot::plot{'height'}"); |
#might be inside the safe space, register the URL for later |
#might be inside the safe space, register the URL for later |
&Apache::lonxml::register_ssi("/cgi-bin/plot.gif?file=$filename.data&output=eps"); |
&Apache::lonxml::register_ssi("/cgi-bin/plot.gif?file=$filename.data&output=eps"); |
$result = "%DYNAMICIMAGE:$Apache::lonplot::plot{'width'}:$Apache::lonplot::plot{'height'}:$Apache::lonplot::plot{'texwidth'}\n"; |
$result = "%DYNAMICIMAGE:$Apache::lonplot::plot{'width'}:$Apache::lonplot::plot{'height'}:$Apache::lonplot::plot{'texwidth'}\n"; |
$result .= '\graphicspath{{/home/httpd/perl/tmp/}}'."\n"; |
$result .= '\graphicspath{{'.$tmpdir.'}}'."\n"; |
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if ($Apache::lonplot::plot{'align'} eq 'center') { |
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$result .= '\begin{center}'; |
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} |
$result .= '\includegraphics[width='.$Apache::lonplot::plot{'texwidth'}.' mm]{'.&unescape($filename).'.eps}'; |
$result .= '\includegraphics[width='.$Apache::lonplot::plot{'texwidth'}.' mm]{'.&unescape($filename).'.eps}'; |
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if ($Apache::lonplot::plot{'align'} eq 'center') { |
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$result .= '\end{center}'; |
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} |
} |
} |
} elsif ($target eq 'edit') { |
} elsif ($target eq 'edit') { |
$result.=&Apache::edit::tag_end($target,$token); |
$result.=&Apache::edit::tag_end($target,$token); |
Line 661 sub start_xtics {
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Line 777 sub start_xtics {
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if ($target eq 'web' || $target eq 'tex') { |
if ($target eq 'web' || $target eq 'tex') { |
&get_attributes(\%xtics,\%tic_defaults,$parstack,$safeeval, |
&get_attributes(\%xtics,\%tic_defaults,$parstack,$safeeval, |
$tagstack->[-1]); |
$tagstack->[-1]); |
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$current_tics = \%xtics; |
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&Apache::lonxml::register('Apache::lonplot', 'tic'); |
} elsif ($target eq 'edit') { |
} elsif ($target eq 'edit') { |
$result .= &Apache::edit::tag_start($target,$token,'xtics'); |
$result .= &Apache::edit::tag_start($target,$token,'xtics'); |
$result .= &edit_attributes($target,$token,\%tic_defaults, |
$result .= &edit_attributes($target,$token,\%tic_defaults, |
Line 679 sub end_xtics {
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Line 797 sub end_xtics {
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my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my $result = ''; |
my $result = ''; |
if ($target eq 'web' || $target eq 'tex') { |
if ($target eq 'web' || $target eq 'tex') { |
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&Apache::lonxml::deregister('Apache::lonplot', 'tic'); |
} elsif ($target eq 'edit') { |
} elsif ($target eq 'edit') { |
$result.=&Apache::edit::tag_end($target,$token); |
$result.=&Apache::edit::tag_end($target,$token); |
} |
} |
Line 692 sub start_ytics {
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Line 811 sub start_ytics {
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if ($target eq 'web' || $target eq 'tex') { |
if ($target eq 'web' || $target eq 'tex') { |
&get_attributes(\%ytics,\%tic_defaults,$parstack,$safeeval, |
&get_attributes(\%ytics,\%tic_defaults,$parstack,$safeeval, |
$tagstack->[-1]); |
$tagstack->[-1]); |
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$current_tics = \%ytics; |
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&Apache::lonxml::register('Apache::lonplot', 'tic'); |
} elsif ($target eq 'edit') { |
} elsif ($target eq 'edit') { |
$result .= &Apache::edit::tag_start($target,$token,'ytics'); |
$result .= &Apache::edit::tag_start($target,$token,'ytics'); |
$result .= &edit_attributes($target,$token,\%tic_defaults, |
$result .= &edit_attributes($target,$token,\%tic_defaults, |
Line 710 sub end_ytics {
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Line 831 sub end_ytics {
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my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my $result = ''; |
my $result = ''; |
if ($target eq 'web' || $target eq 'tex') { |
if ($target eq 'web' || $target eq 'tex') { |
|
&Apache::lonxml::deregister('Apache::lonplot', 'tic'); |
} elsif ($target eq 'edit') { |
} elsif ($target eq 'edit') { |
$result.=&Apache::edit::tag_end($target,$token); |
$result.=&Apache::edit::tag_end($target,$token); |
} |
} |
return $result; |
return $result; |
} |
} |
|
|
|
|
|
##---------------------------------------------------------------- |
|
# |
|
# Tic handling: |
|
# The <tic> tag allows users to specify exact Tic positions and labels |
|
# for each axis. In this version we only support level 0 tics (major tic). |
|
# Each tic has associated with it a position and a label |
|
# $current_tics is a reference to the current tick description hash. |
|
# We add elements to an array in that has: ticspecs whose elements |
|
# are 'pos' - the tick position and 'label' - the tic label. |
|
# |
|
|
|
|
|
sub start_tic { |
|
my ($target, $token, $tagstack, $parstack, $parser, $safeeval, $style) = @_; |
|
|
|
my $result = ''; |
|
if ($target eq 'web' || $target eq 'tex') { |
|
my $tic_location = &Apache::lonxml::get_param('location', $parstack, $safeeval); |
|
my $tic_label = &Apache::lonxml::get_all_text('/tic', $parser); |
|
|
|
# Tic location must e a real: |
|
|
|
if (!&$real_test($tic_location)) { |
|
&Apache::lonxml::warning("Tic location: $tic_location must be a real number"); |
|
} else { |
|
|
|
if (!defined $current_tics->{'ticspecs'}) { |
|
$current_tics->{'ticspecs'} = []; |
|
} |
|
my $ticspecs = $current_tics->{'ticspecs'}; |
|
push (@$ticspecs, {'pos' => $tic_location, 'label' => $tic_label}); |
|
} |
|
} |
|
|
|
return $result; |
|
} |
|
|
|
sub end_tic { |
|
return ''; |
|
} |
|
|
##-----------------------------------------------------------------font |
##-----------------------------------------------------------------font |
my %font_properties = |
my %font_properties = |
( |
( |
Line 1318 sub start_curve {
|
Line 1482 sub start_curve {
|
$tagstack->[-1]); |
$tagstack->[-1]); |
push (@curves,\%curve); |
push (@curves,\%curve); |
} elsif ($target eq 'edit') { |
} elsif ($target eq 'edit') { |
|
&fixup_colors($token); |
$result .= &Apache::edit::tag_start($target,$token,'Curve'); |
$result .= &Apache::edit::tag_start($target,$token,'Curve'); |
$result .= &edit_attributes($target,$token,\%curve_defaults, |
$result .= &edit_attributes($target,$token,\%curve_defaults, |
\@curve_edit_order) |
\@curve_edit_order) |
Line 1327 sub start_curve {
|
Line 1492 sub start_curve {
|
} elsif ($target eq 'modified') { |
} elsif ($target eq 'modified') { |
my $constructtag=&Apache::edit::get_new_args |
my $constructtag=&Apache::edit::get_new_args |
($token,$parstack,$safeeval,keys(%curve_defaults)); |
($token,$parstack,$safeeval,keys(%curve_defaults)); |
if ($constructtag) { |
my $fixed = &fixup_colors($token); |
|
if ($constructtag || $fixed) { |
$result = &Apache::edit::rebuild_tag($token); |
$result = &Apache::edit::rebuild_tag($token); |
} |
} |
} |
} |
Line 1363 sub start_function {
|
Line 1529 sub start_function {
|
$style); |
$style); |
$function = &Apache::run::evaluate($function,$safeeval,$$parstack[-1]); |
$function = &Apache::run::evaluate($function,$safeeval,$$parstack[-1]); |
$function=~s/\^/\*\*/gs; |
$function=~s/\^/\*\*/gs; |
|
$function=~ s/^\s+//; # Trim leading |
|
$function=~ s/\s+$//; # And trailing whitespace. |
$curves[-1]->{'function'} = $function; |
$curves[-1]->{'function'} = $function; |
} elsif ($target eq 'edit') { |
} elsif ($target eq 'edit') { |
$result .= &Apache::edit::tag_start($target,$token,'Gnuplot compatible curve function'); |
$result .= &Apache::edit::tag_start($target,$token,'Gnuplot compatible curve function'); |
Line 1468 sub start_axis {
|
Line 1636 sub start_axis {
|
&get_attributes(\%axis,\%axis_defaults,$parstack,$safeeval, |
&get_attributes(\%axis,\%axis_defaults,$parstack,$safeeval, |
$tagstack->[-1]); |
$tagstack->[-1]); |
} elsif ($target eq 'edit') { |
} elsif ($target eq 'edit') { |
|
&fixup_colors($token); |
$result .= &Apache::edit::tag_start($target,$token,'Plot Axes'); |
$result .= &Apache::edit::tag_start($target,$token,'Plot Axes'); |
$result .= &edit_attributes($target,$token,\%axis_defaults, |
$result .= &edit_attributes($target,$token,\%axis_defaults, |
\@axis_edit_order); |
\@axis_edit_order); |
} elsif ($target eq 'modified') { |
} elsif ($target eq 'modified') { |
my $constructtag=&Apache::edit::get_new_args |
my $constructtag=&Apache::edit::get_new_args |
($token,$parstack,$safeeval,keys(%axis_defaults)); |
($token,$parstack,$safeeval,keys(%axis_defaults)); |
if ($constructtag) { |
my $fixed = &fixup_colors($token); |
|
if ($constructtag || $fixed) { |
$result = &Apache::edit::rebuild_tag($token); |
$result = &Apache::edit::rebuild_tag($token); |
} |
} |
} |
} |
Line 1524 sub get_attributes{
|
Line 1694 sub get_attributes{
|
} |
} |
my $test = $defaults->{$attr}->{'test'}; |
my $test = $defaults->{$attr}->{'test'}; |
if (! &$test($values->{$attr})) { |
if (! &$test($values->{$attr})) { |
|
my $warning = &mt('Replacing your value with: [_1].', |
|
$defaults->{$attr}->{'default'}); |
|
my $missingprefix; |
|
if (($env{'form.problemmode'} eq 'editxml') || |
|
($env{'form.problemmode'} eq 'edit')) { |
|
$warning = &mt('On display your value will be replaced with: [_1].', |
|
$defaults->{$attr}->{'default'}); |
|
if (($env{'form.problemmode'} eq 'edit') && |
|
($attr =~ /^(|fg|bg)color$/) && ($values->{$attr} =~ /^[\da-fA-F]{6}$/)) { |
|
$missingprefix = 1; |
|
$warning = &mt('The current value is missing the prefix: [_1].', |
|
$colorprefix).' '. |
|
&mt('As the color picker entry adds the prefix, saving will fix this issue.'); |
|
} |
|
} |
|
unless ($missingprefix) { |
|
$values->{$attr} = $defaults->{$attr}->{'default'}; |
|
} |
&Apache::lonxml::warning |
&Apache::lonxml::warning |
($tag.':'.$attr.': Bad value.'.'Replacing your value with : ' |
($tag.':'.$attr.': '.&mt('Bad value').'. '.$warning); |
.$defaults->{$attr}->{'default'} ); |
|
$values->{$attr} = $defaults->{$attr}->{'default'}; |
|
} |
} |
} |
} |
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 $result = ''; |
|
|
|
|
|
if ((ref($spec) eq 'HASH') && (keys(%{$spec}) > 0)) { |
|
|
|
|
|
|
|
# Major tics: - If there are 'ticspecs' these override any other |
|
# specifications: |
|
|
|
|
|
|
|
$result .= "set $type $spec->{'location'} "; |
|
$result .= ($spec->{'mirror'} eq 'on') ? 'mirror ' : 'nomirror '; |
|
if ($spec->{'rotate'} eq 'on') { |
|
$result .= ' rotate '; |
|
} |
|
if (defined $spec->{'ticspecs'}) { |
|
$result .= '( '; |
|
my @ticspecs; |
|
my $ticinfo = $spec->{'ticspecs'}; |
|
foreach my $tic (@$ticinfo) { |
|
push(@ticspecs, '"' . $tic->{'label'} . '" ' . $tic->{'pos'} ); |
|
} |
|
$result .= join(', ', (@ticspecs)); |
|
$result .= ' )'; |
|
} else { |
|
$result .= "$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 $spec->{'minorfreq'}\n"; |
|
} |
|
} elsif ($target eq 'tex' ) { |
|
$result .= "set $type font " . '"Helvetica,22"' ."\n"; |
|
} |
|
|
|
|
|
return $result; |
|
} |
|
|
##------------------------------------------------------- write_gnuplot_file |
##------------------------------------------------------- write_gnuplot_file |
sub write_gnuplot_file { |
sub write_gnuplot_file { |
Line 1559 sub write_gnuplot_file {
|
Line 1804 sub write_gnuplot_file {
|
@curves = @curvescopy; |
@curves = @curvescopy; |
# Collect all the colors |
# Collect all the colors |
my @Colors; |
my @Colors; |
push @Colors, $Apache::lonplot::plot{'bgcolor'}; |
if ($version < 4.6) { |
push @Colors, $Apache::lonplot::plot{'fgcolor'}; |
push(@Colors,$Apache::lonplot::plot{'bgcolor'}); |
push @Colors, (defined($axis{'color'})?$axis{'color'}:$Apache::lonplot::plot{'fgcolor'}); |
push(@Colors,$Apache::lonplot::plot{'fgcolor'}); |
foreach $curve (@curves) { |
push(@Colors,(defined($axis{'color'})?$axis{'color'}:$Apache::lonplot::plot{'fgcolor'})); |
push @Colors, ($curve->{'color'} ne '' ? |
foreach $curve (@curves) { |
$curve->{'color'} : |
push(@Colors,($curve->{'color'} ne '' ? |
$Apache::lonplot::plot{'fgcolor'} ); |
$curve->{'color'} : |
|
$Apache::lonplot::plot{'fgcolor'})); |
|
} |
} |
} |
|
|
# set term |
# set term |
if ($target eq 'web') { |
if ($target eq 'web') { |
$gnuplot_input .= 'set terminal png enhanced nocrop '; |
$gnuplot_input .= 'set terminal png enhanced nocrop '; |
Line 1575 sub write_gnuplot_file {
|
Line 1823 sub write_gnuplot_file {
|
'/'.$font_properties->{'file'}.'.ttf" '; |
'/'.$font_properties->{'file'}.'.ttf" '; |
$gnuplot_input .= $fontsize; |
$gnuplot_input .= $fontsize; |
$gnuplot_input .= ' size '.$Apache::lonplot::plot{'width'}.','.$Apache::lonplot::plot{'height'}.' '; |
$gnuplot_input .= ' size '.$Apache::lonplot::plot{'width'}.','.$Apache::lonplot::plot{'height'}.' '; |
$gnuplot_input .= "@Colors\n"; |
if ($version >= 4.6) { |
|
if ($Apache::lonplot::plot{'bgcolor'}) { |
|
$gnuplot_input .= "background '$Apache::lonplot::plot{'bgcolor'}'\n"; |
|
} |
|
} else { |
|
$gnuplot_input .= "@Colors\n"; |
|
} |
# set output |
# set output |
$gnuplot_input .= "set output\n"; |
$gnuplot_input .= "set output\n"; |
} elsif ($target eq 'tex') { |
} elsif ($target eq 'tex') { |
$gnuplot_input .= "set term postscript eps enhanced $Apache::lonplot::plot{'plotcolor'} solid "; |
$gnuplot_input .= "set term postscript eps enhanced $Apache::lonplot::plot{'plotcolor'} dash "; |
if (!$font_properties->{'tex_no_file'}) { |
if (!$font_properties->{'tex_no_file'}) { |
$gnuplot_input .= |
$gnuplot_input .= |
'fontfile "'.$Apache::lonnet::perlvar{'lonFontsDir'}. |
'fontfile "'.$Apache::lonnet::perlvar{'lonFontsDir'}. |
'/'.$font_properties->{'file'}.'.pfb" '; |
'/'.$font_properties->{'file'}.'.pfb" '; |
} |
} |
|
if (($version >= 4.6) && ($Apache::lonplot::plot{'plotcolor'} =~ /^colou?r$/) && |
|
($Apache::lonplot::plot{'bgcolor'} ne '')) { |
|
$gnuplot_input .= "background '$Apache::lonplot::plot{'bgcolor'}' "; |
|
} |
$gnuplot_input .= ' "'.$font_properties->{'printname'}.'" '; |
$gnuplot_input .= ' "'.$font_properties->{'printname'}.'" '; |
$gnuplot_input .= $fontsize; |
$gnuplot_input .= $fontsize; |
$gnuplot_input .= "\nset output \"/home/httpd/perl/tmp/". |
$gnuplot_input .= "\nset output \"".$tmpdir. |
&unescape($filename).".eps\"\n"; |
&unescape($filename).".eps\"\n"; |
$gnuplot_input .= "set encoding iso_8859_1\n"; # Get access to extended font. |
$gnuplot_input .= "set encoding iso_8859_1\n"; # Get access to extended font. |
|
|
} |
} |
|
$gnuplot_input .= "set encoding utf8\n"; |
# cartesian or polar plot? |
# cartesian or polar plot? |
if (lc($Apache::lonplot::plot{'plottype'}) eq 'polar') { |
if (lc($Apache::lonplot::plot{'plottype'}) eq 'polar') { |
$gnuplot_input .= 'set polar'.$/; |
$gnuplot_input .= 'set polar'.$/; |
Line 1650 sub write_gnuplot_file {
|
Line 1909 sub write_gnuplot_file {
|
if ($Apache::lonplot::plot{'gridlayer'} eq 'on'); |
if ($Apache::lonplot::plot{'gridlayer'} eq 'on'); |
|
|
# grid |
# grid |
$gnuplot_input .= 'set grid'.$/ if ($Apache::lonplot::plot{'grid'} eq 'on'); |
if ($Apache::lonplot::plot{'grid'} eq 'on') { |
|
if (($version >= 4.6) && (($axis{'color'} ne '') || ($Apache::lonplot::plot{'fgcolor'} ne ''))) { |
|
if (($target eq 'web') || (($target eq 'tex') && |
|
($Apache::lonplot::plot{'plotcolor'} =~ /^colou?r$/))) { |
|
$gnuplot_input .= 'set grid linecolor rgb "'. |
|
(($axis{'color'} ne '')?$axis{'color'}: |
|
$Apache::lonplot::plot{'fgcolor'}). |
|
'" '.$/; |
|
|
|
} else { |
|
$gnuplot_input .= 'set grid'.$/; |
|
} |
|
} else { |
|
$gnuplot_input .= 'set grid'.$/; |
|
} |
|
} |
# border |
# border |
$gnuplot_input .= ($Apache::lonplot::plot{'border'} eq 'on'? |
if ($Apache::lonplot::plot{'border'} eq 'on') { |
'set border'.$/ : |
if (($version >= 4.6) && ($Apache::lonplot::plot{'fgcolor'} ne '')) { |
'set noborder'.$/ ); |
if (($target eq 'web') || (($target eq 'tex') && |
|
($Apache::lonplot::plot{'plotcolor'} =~ /^colou?r$/))) { |
|
$gnuplot_input .= 'set border linecolor rgb "'. |
|
$Apache::lonplot::plot{'fgcolor'}.'" '.$/; |
|
} else { |
|
$gnuplot_input .= 'set border '.$/; |
|
} |
|
} else { |
|
$gnuplot_input .= 'set border '.$/; |
|
} |
|
} else { |
|
$gnuplot_input .= 'set noborder '.$/; |
|
} |
# sampling rate for non-data curves |
# sampling rate for non-data curves |
$gnuplot_input .= "set samples $Apache::lonplot::plot{'samples'}\n"; |
$gnuplot_input .= "set samples $Apache::lonplot::plot{'samples'}\n"; |
# title, xlabel, ylabel |
# title, xlabel, ylabel |
# titles |
# titles |
my $extra_space_x = ($xtics{'location'} eq 'axis') ? ' 0, -0.5 ' : ''; |
my $extra_space_x = ($xtics{'location'} eq 'axis') ? ' offset 0, -0.5 ' : ''; |
my $extra_space_y = ($ytics{'location'} eq 'axis') ? ' -0.5, 0 ' : ''; |
my $extra_space_y = ($ytics{'location'} eq 'axis') ? ' offset -0.5, 0 ' : ''; |
|
|
if ($target eq 'tex') { |
if ($target eq 'tex') { |
$gnuplot_input .= "set title \"$title\" font \"".$font_properties->{'printname'}.",".$fontsize."pt\"\n" if (defined($title)) ; |
$gnuplot_input .= "set title \"$title\" font \"".$font_properties->{'printname'}.",".$fontsize."pt\"\n" if (defined($title)) ; |
Line 1672 sub write_gnuplot_file {
|
Line 1958 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 ($axis{'xformat'} ne 'on') { |
Line 1715 sub write_gnuplot_file {
|
Line 1969 sub write_gnuplot_file {
|
if ($axis{'xformat'} eq 'off') { |
if ($axis{'xformat'} eq 'off') { |
$gnuplot_input .= "\"\"\n"; |
$gnuplot_input .= "\"\"\n"; |
} else { |
} else { |
|
if ($axis{'xformat'} =~ /^(\d+P\s*)[Pp][Ii]/) { |
|
my $xprefix = $1; |
|
if (($target eq 'web') || ($target eq 'tex')) { |
|
$axis{'xformat'} = $xprefix.$lookup{'(pi|#960)'}{$target}; |
|
} else { |
|
$axis{'xformat'} = $xprefix; |
|
} |
|
} |
$gnuplot_input .= "\"\%.".$axis{'xformat'}."\"\n"; |
$gnuplot_input .= "\"\%.".$axis{'xformat'}."\"\n"; |
} |
} |
} |
} |
Line 1723 sub write_gnuplot_file {
|
Line 1985 sub write_gnuplot_file {
|
if ($axis{'yformat'} eq 'off') { |
if ($axis{'yformat'} eq 'off') { |
$gnuplot_input .= "\"\"\n"; |
$gnuplot_input .= "\"\"\n"; |
} else { |
} else { |
|
if ($axis{'yformat'} =~ /^(\d+P\s*)[Pp][Ii]/) { |
|
my $yprefix = $1; |
|
if (($target eq 'web') || ($target eq 'tex')) { |
|
$axis{'yformat'} = $yprefix.$lookup{'(pi|#960)'}{$target}; |
|
} else { |
|
$axis{'yformat'} = $yprefix; |
|
} |
|
} |
$gnuplot_input .= "\"\%.".$axis{'yformat'}."\"\n"; |
$gnuplot_input .= "\"\%.".$axis{'yformat'}."\"\n"; |
} |
} |
} |
} |
$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"; |
|
if ($axis{'xzero'} ne 'off') { |
|
$gnuplot_input .= "set xzeroaxis "; |
|
if ($axis{'xzero'} eq 'line' || $axis{'xzero'} eq 'thick-line') { |
|
$gnuplot_input .= "lt -1 "; |
|
if ($axis{'xzero'} eq 'thick-line') { |
|
$gnuplot_input .= "lw 3 "; |
|
} |
|
} |
|
$gnuplot_input .= "\n"; |
|
} |
|
if ($axis{'yzero'} ne 'off') { |
|
$gnuplot_input .= "set yzeroaxis "; |
|
if ($axis{'yzero'} eq 'line' || $axis{'yzero'} eq 'thick-line') { |
|
$gnuplot_input .= "lt -1 "; |
|
if ($axis{'yzero'} eq 'thick-line') { |
|
$gnuplot_input .= "lw 3 "; |
|
} |
|
} |
|
$gnuplot_input .= "\n"; |
|
} |
} |
} |
# Key |
# Key |
if (%key) { |
if (%key) { |
Line 1750 sub write_gnuplot_file {
|
Line 2040 sub write_gnuplot_file {
|
$gnuplot_input .= ' '.$label->{'justify'}; |
$gnuplot_input .= ' '.$label->{'justify'}; |
|
|
if ($target eq 'tex') { |
if ($target eq 'tex') { |
$gnuplot_input .=' font "'.$font_properties->{'printname'}.','.$fontsize.'pt"' ; |
$gnuplot_input .=' font "'.$font_properties->{'printname'}.','.$fontsize.'pt"'; |
|
} |
|
if (($label->{'zlayer'} eq 'front') || ($label->{'zlayer'} eq 'back')) { |
|
$gnuplot_input .= ' '.$label->{'zlayer'}; |
} |
} |
$gnuplot_input .= $/; |
$gnuplot_input .= $/; |
} |
} |
Line 1759 sub write_gnuplot_file {
|
Line 2052 sub write_gnuplot_file {
|
$gnuplot_input .="\n"; |
$gnuplot_input .="\n"; |
} |
} |
# curves |
# curves |
$gnuplot_input .= 'plot '; |
# |
|
# Each curve will have its very own linestyle. |
|
# (This should work just fine in web rendition I think). |
|
# The line_xxx variables will hold the elements of the line style. |
|
# type (solid/dashed), color, width |
|
# |
|
my $linestyle_index = 50; |
|
my $line_width = ''; |
|
my $plots = ''; |
|
|
|
# If arrows are needed there will be an arrow style for each as well: |
|
# |
|
|
|
my $arrow_style_index = 50; |
|
|
for (my $i = 0;$i<=$#curves;$i++) { |
for (my $i = 0;$i<=$#curves;$i++) { |
$curve = $curves[$i]; |
$curve = $curves[$i]; |
$gnuplot_input.= ', ' if ($i > 0); |
my $plot_command = ''; |
|
my $plot_type = ''; |
|
if ($i > 0) { |
|
$plot_type = ', '; |
|
} |
if ($target eq 'tex') { |
if ($target eq 'tex') { |
$curve->{'linewidth'} *= 2; |
$curve->{'linewidth'} *= 2; |
} |
} |
|
$line_width = $curve->{'linewidth'}; |
if (exists($curve->{'function'})) { |
if (exists($curve->{'function'})) { |
$gnuplot_input.= |
$plot_type .= |
$curve->{'function'}.' title "'. |
$curve->{'function'}.' title "'. |
$curve->{'name'}.'" with '. |
$curve->{'name'}.'" with '. |
$curve->{'linestyle'}; |
$curve->{'linestyle'}; |
|
|
if (($curve->{'linestyle'} eq 'points') || |
|
($curve->{'linestyle'} eq 'linespoints') || |
|
($curve->{'linestyle'} eq 'errorbars') || |
|
($curve->{'linestyle'} eq 'xerrorbars') || |
|
($curve->{'linestyle'} eq 'yerrorbars') || |
|
($curve->{'linestyle'} eq 'xyerrorbars')) { |
|
$gnuplot_input.=' pointtype '.$curve->{'pointtype'}; |
|
$gnuplot_input.=' pointsize '.$curve->{'pointsize'}; |
|
} elsif ($curve->{'linestyle'} eq 'filledcurves') { |
|
$gnuplot_input.= ' '.$curve->{'limit'}; |
|
} elsif ($curve->{'linetype'} ne '' && |
|
$curve->{'linestyle'} eq 'lines') { |
|
$gnuplot_input.= ' linetype '; |
|
$gnuplot_input.= $linetypes{$curve->{'linetype'}}; |
|
$gnuplot_input.= ' linecolor rgb "'; |
|
# convert color from xaaaaaa to #aaaaaa |
|
$curve->{'color'} =~ s/^x/#/; |
|
$gnuplot_input.= $curve->{'color'}.'"'; |
|
} |
|
$gnuplot_input.= ' linewidth '.$curve->{'linewidth'}; |
|
|
|
} elsif (exists($curve->{'data'})) { |
} elsif (exists($curve->{'data'})) { |
# Store data values in $datatext |
# Store data values in $datatext |
my $datatext = ''; |
my $datatext = ''; |
Line 1813 sub write_gnuplot_file {
|
Line 2103 sub write_gnuplot_file {
|
print $fh $datatext; |
print $fh $datatext; |
close($fh); |
close($fh); |
# generate gnuplot text |
# generate gnuplot text |
$gnuplot_input.= '"'.$datafilename.'" title "'. |
$plot_type .= '"'.$datafilename.'" title "'. |
$curve->{'name'}.'" with '. |
$curve->{'name'}.'" with '. |
$curve->{'linestyle'}; |
$curve->{'linestyle'}; |
if (($curve->{'linestyle'} eq 'points') || |
|
($curve->{'linestyle'} eq 'linespoints') || |
|
($curve->{'linestyle'} eq 'errorbars') || |
|
($curve->{'linestyle'} eq 'xerrorbars') || |
|
($curve->{'linestyle'} eq 'yerrorbars') || |
|
($curve->{'linestyle'} eq 'xyerrorbars')) { |
|
$gnuplot_input.=' pointtype '.$curve->{'pointtype'}; |
|
$gnuplot_input.=' pointsize '.$curve->{'pointsize'}; |
|
} elsif ($curve->{'linestyle'} eq 'filledcurves') { |
|
$gnuplot_input.= ' '.$curve->{'limit'}; |
|
} elsif ($curve->{'linetype'} ne '' && |
|
$curve->{'linestyle'} eq 'lines') { |
|
$gnuplot_input.= ' linetype '; |
|
$gnuplot_input.= $linetypes{$curve->{'linetype'}}; |
|
$gnuplot_input.= ' linecolor rgb "'; |
|
# convert color from xaaaaaa to #aaaaaa |
|
$curve->{'color'} =~ s/^x/#/; |
|
$gnuplot_input.= $curve->{'color'}.'"'; |
|
} |
|
$gnuplot_input.= ' linewidth '.$curve->{'linewidth'}; |
|
} |
} |
|
my $pointtype = ''; |
|
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'}; |
|
$color =~ s/^x/#/; # Convert xhex color -> #hex color. |
|
|
|
|
|
if (($curve->{'linestyle'} eq 'points') || |
|
($curve->{'linestyle'} eq 'linespoints') || |
|
($curve->{'linestyle'} eq 'errorbars') || |
|
($curve->{'linestyle'} eq 'xerrorbars') || |
|
($curve->{'linestyle'} eq 'yerrorbars') || |
|
($curve->{'linestyle'} eq 'xyerrorbars')) { |
|
|
|
$pointtype =' pointtype '.$curve->{'pointtype'}; |
|
$pointsize =' pointsize '.$curve->{'pointsize'}; |
|
} elsif ($curve->{'linestyle'} eq 'filledcurves') { |
|
$plot_command.= ' '.$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. |
|
|
|
$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"; |
|
|
|
|
|
$plot_command .= " arrowstyle $arrow_style_index "; |
|
$arrow_style_index++; |
|
} |
|
|
|
my $style_command = "set style line $linestyle_index $pointtype $pointsize linetype $lt linewidth $line_width lc rgb '$color'\n"; |
|
$gnuplot_input .= $style_command; |
|
|
|
# The condition below is because gnuplot lumps the linestyle in with the |
|
# arrowstyle _sigh_. |
|
|
|
if ($curve->{'linestyle'} ne 'vector') { |
|
$plot_command.= " ls $linestyle_index"; |
|
} |
|
|
|
$plots .= $plot_type . ' ' . $plot_command; |
|
$linestyle_index++; # Each curve get a unique linestyle. |
} |
} |
|
$gnuplot_input .= 'plot '.$plots; |
# Write the output to a file. |
# Write the output to a file. |
open (my $fh,">$tmpdir$filename.data"); |
|
binmode($fh, ":utf8"); |
# &Apache::lonnet::logthis($gnuplot_input); # uncomment to log the gnuplot input. |
|
open (my $fh, "> $tmpdir$filename.data"); |
|
binmode($fh, ':utf8'); |
print $fh $gnuplot_input; |
print $fh $gnuplot_input; |
close($fh); |
close($fh); |
# That's all folks. |
# That's all folks. |
Line 1871 sub check_inputs {
|
Line 2204 sub check_inputs {
|
} |
} |
} |
} |
|
|
#------------------------------------------------ make_edit |
#------------------------------------------ edit_attributes |
sub edit_attributes { |
sub edit_attributes { |
my ($target,$token,$defaults,$keys) = @_; |
my ($target,$token,$defaults,$keys) = @_; |
my ($result,@keys); |
my ($result,@keys); |
Line 1887 sub edit_attributes {
|
Line 2220 sub edit_attributes {
|
if ($defaults->{$attr}->{'edit_type'} eq 'entry') { |
if ($defaults->{$attr}->{'edit_type'} eq 'entry') { |
$result .= &Apache::edit::text_arg |
$result .= &Apache::edit::text_arg |
($description,$attr,$token, |
($description,$attr,$token, |
$defaults->{$attr}->{'size'}); |
$defaults->{$attr}->{'size'}, |
|
$defaults->{$attr}->{'class'}); |
} elsif ($defaults->{$attr}->{'edit_type'} eq 'choice') { |
} elsif ($defaults->{$attr}->{'edit_type'} eq 'choice') { |
$result .= &Apache::edit::select_or_text_arg |
$result .= &Apache::edit::select_or_text_arg |
($description,$attr,$defaults->{$attr}->{'choices'},$token); |
($description,$attr,$defaults->{$attr}->{'choices'},$token); |
Line 1900 sub edit_attributes {
|
Line 2234 sub edit_attributes {
|
return $result; |
return $result; |
} |
} |
|
|
|
#------------------------------------------ fixup_colors |
|
|
|
sub fixup_colors { |
|
my ($token,$attribref) = @_; |
|
my @attributes; |
|
if (ref($attribref) eq 'ARRAY') { |
|
@attributes = @{$attribref}; |
|
} else { |
|
@attributes = ('color'); |
|
} |
|
|
|
# |
|
# Fix up the color attribute since jchooser does not |
|
# prepend an x (or #) to the color: |
|
# |
|
my $had_changes; |
|
if ((ref($token) eq 'ARRAY') && (ref($token->[2]) eq 'HASH')) { |
|
foreach my $attribute (@attributes) { |
|
if ($attribute =~ /^(|bg|fg)color$/) { |
|
my $value = $token->[2]{$attribute}; |
|
if (defined($value)) { |
|
if ($version < 4.6) { |
|
$value=~s/^\#/x/; |
|
} else { |
|
$value=~s/^x/#/; |
|
} |
|
if ($value ne $token->[2]{$attribute}) { |
|
$token->[2]{$attribute} = $value; |
|
$had_changes = 1; |
|
} |
|
if ($value !~ /^\Q$colorprefix\E/) { |
|
$token->[2]{$attribute} = $colorprefix . $value; |
|
$had_changes = 1; |
|
} |
|
} |
|
} |
|
} |
|
} |
|
return $had_changes; |
|
} |
|
|
################################################################### |
################################################################### |
## ## |
## ## |
Line 2016 sub insert_data {
|
Line 2390 sub insert_data {
|
__END__ |
__END__ |
|
|
|
|
|
=head1 NAME |
|
|
|
Apache::lonplot.pm |
|
|
|
=head1 SYNOPSIS |
|
|
|
XML-based plotter of graphs |
|
|
|
This is part of the LearningOnline Network with CAPA project |
|
described at http://www.lon-capa.org. |
|
|
|
|
|
=head1 SUBROUTINES (parsing and edit rendering) |
|
|
|
=over |
|
|
|
=item start_gnuplot() |
|
|
|
=item end_gnuplot() |
|
|
|
=item start_xtics() |
|
|
|
=item end_xtics() |
|
|
|
=item start_ytics() |
|
|
|
=item end_ytics() |
|
|
|
=item get_font() |
|
|
|
=item start_key() |
|
|
|
=item end_key() |
|
|
|
=item parse_label() |
|
|
|
=item replace_entities() |
|
|
|
=item start_title() |
|
|
|
=item end_title() |
|
|
|
=item start_xlabel() |
|
|
|
=item end_xlabel() |
|
|
|
=item start_ylabel() |
|
|
|
=item end_label() |
|
|
|
=item start_curve() |
|
|
|
=item end_curve() |
|
|
|
=item start_function() |
|
|
|
=item end_function() |
|
|
|
=item start_data() |
|
|
|
=item end_data() |
|
|
|
=item start_axis() |
|
|
|
=item end_axis |
|
|
|
=back |
|
|
|
=head1 SUBROUTINES (Utility) |
|
|
|
=over |
|
|
|
=item set_defaults() |
|
|
|
=item get_attributes() |
|
|
|
=item write_gnuplot_file() |
|
|
|
=item check_inputs() |
|
|
|
=item edit_attributes() |
|
|
|
=item fixup_colors() |
|
|
|
=back |
|
|
|
=head1 SUBROUTINES (Insertion functions for editing plots) |
|
|
|
=over |
|
|
|
=item insert_gnuplot() |
|
|
|
=item insert_tics() |
|
|
|
=item insert_xtics() |
|
|
|
=item insert_key() |
|
|
|
=item insert_axis() |
|
|
|
=item insert_title() |
|
|
|
=item insert_xlabel() |
|
|
|
=item insert_ylabel() |
|
|
|
=item insert_label() |
|
|
|
=item insert_curve() |
|
|
|
=item insert_function() |
|
|
|
=item insert_data() |
|
|
|
=back |
|
|
|
=cut |