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version 1.143, 2008/05/27 10:40:30
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version 1.155, 2012/02/22 10:16:39
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Line 26
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| # http://www.lon-capa.org/ |
# http://www.lon-capa.org/ |
| # |
# |
| |
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| |
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| |
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| |
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| package Apache::lonplot; |
package Apache::lonplot; |
| |
|
| use strict; |
use strict; |
|
Line 57 BEGIN {
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Line 60 BEGIN {
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| } |
} |
| |
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| |
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| |
=pod |
| |
|
| ## |
## |
| ## Description of data structures: |
## Description of data structures: |
| ## |
## |
|
Line 88 BEGIN {
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Line 93 BEGIN {
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| ## ## |
## ## |
| ################################################################### |
################################################################### |
| |
|
| |
=cut |
| |
|
| 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. |
| |
|
|
Line 169 my %gnuplot_defaults =
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Line 176 my %gnuplot_defaults =
|
| test => $color_test, |
test => $color_test, |
| description => 'Background color of image (xffffff)', |
description => 'Background color of image (xffffff)', |
| edit_type => 'entry', |
edit_type => 'entry', |
| size => '10' |
size => '10', |
| |
class => 'colorchooser' |
| }, |
}, |
| fgcolor => { |
fgcolor => { |
| default => 'x000000', |
default => 'x000000', |
| test => $color_test, |
test => $color_test, |
| description => 'Foreground color of image (x000000)', |
description => 'Foreground color of image (x000000)', |
| edit_type => 'entry', |
edit_type => 'entry', |
| size => '10' |
size => '10', |
| |
class => 'colorchooser' |
| }, |
}, |
| transparent => { |
transparent => { |
| default => 'off', |
default => 'off', |
|
Line 448 my %tic_defaults =
|
Line 457 my %tic_defaults =
|
| }, |
}, |
| ); |
); |
| |
|
| 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 456 my %axis_defaults =
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Line 465 my %axis_defaults =
|
| test => $color_test, |
test => $color_test, |
| description => 'Color of grid lines (x000000)', |
description => 'Color of grid lines (x000000)', |
| edit_type => 'entry', |
edit_type => 'entry', |
| size => '10' |
size => '10', |
| |
class => 'colorchooser' |
| }, |
}, |
| xmin => { |
xmin => { |
| default => '-10.0', |
default => '-10.0', |
|
Line 496 my %axis_defaults =
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Line 506 my %axis_defaults =
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| yformat => { |
yformat => { |
| default => 'on', |
default => 'on', |
| test => sub {$_[0]=~/^(on|off|\d+(f|F|e|E))$/}, |
test => sub {$_[0]=~/^(on|off|\d+(f|F|e|E))$/}, |
| description => 'X-axis number formatting', |
description => 'Y-axis number formatting', |
| edit_type => 'choice', |
edit_type => 'choice', |
| choices => ['on', 'off', '2e', '2f'], |
choices => ['on', 'off', '2e', '2f'], |
| }, |
}, |
| |
|
| |
xzero => { |
| |
default => 'off', |
| |
test => sub {$_[0]=~/^(off|line|thick-line|dotted)$/}, |
| |
description => 'Show x-zero (y=0) axis', |
| |
edit_type => 'choice', |
| |
choices => ['off', 'line', 'thick-line', 'dotted'], |
| |
}, |
| |
|
| |
yzero => { |
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default => 'off', |
| |
test => sub {$_[0]=~/^(off|line|thick-line|dotted)$/}, |
| |
description => 'Show y-zero (x=0) axis', |
| |
edit_type => 'choice', |
| |
choices => ['off', 'line', 'thick-line', 'dotted'], |
| |
}, |
| ); |
); |
| |
|
| 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 512 my %curve_defaults =
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Line 537 my %curve_defaults =
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| test => $color_test, |
test => $color_test, |
| description => 'Color of curve (x000000)', |
description => 'Color of curve (x000000)', |
| edit_type => 'entry', |
edit_type => 'entry', |
| size => '10' |
size => '10', |
| |
class => 'colorchooser' |
| }, |
}, |
| name => { |
name => { |
| default => '', |
default => '', |
|
Line 598 sub start_gnuplot {
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Line 624 sub start_gnuplot {
|
| } elsif ($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) { |
if ($constructtag) { |
| |
# |
| |
# The color chooser does not prepent x to the color values |
| |
# Do that here: |
| |
# |
| |
foreach my $attribute ('bgcolor', 'fgcolor') { |
| |
my $value = $token->[2]{$attribute}; |
| |
if (defined $value && !($value =~ /^x/)) { |
| |
$token->[2]{$attribute} = 'x' . $value; |
| |
} |
| |
} |
| $result = &Apache::edit::rebuild_tag($token); |
$result = &Apache::edit::rebuild_tag($token); |
| } |
} |
| } |
} |
|
Line 612 sub end_gnuplot {
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Line 649 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; |
| |
my $tmpdir =LONCAPA::tempdir(); # Where temporary files live: |
| |
|
| # 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 662 sub end_gnuplot {
|
| &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/'; |
|
| my $filename = $env{'user.name'}.'_'.$env{'user.domain'}. |
my $filename = $env{'user.name'}.'_'.$env{'user.domain'}. |
| '_'.time.'_'.$$.$randnumber.'_plot'; |
'_'.time.'_'.$$.$randnumber.'_plot'; |
| ## Write the plot description to the file |
## Write the plot description to the file |
|
Line 644 ENDIMAGE
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Line 682 ENDIMAGE
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| #might be inside the safe space, register the URL for later |
#might be inside the safe space, register the URL for later |
| &Apache::lonxml::register_ssi("/cgi-bin/plot.gif?file=$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"; |
| $result .= '\includegraphics[width='.$Apache::lonplot::plot{'texwidth'}.' mm]{'.&unescape($filename).'.eps}'; |
$result .= '\includegraphics[width='.$Apache::lonplot::plot{'texwidth'}.' mm]{'.&unescape($filename).'.eps}'; |
| } |
} |
| } elsif ($target eq 'edit') { |
} elsif ($target eq 'edit') { |
|
Line 757 sub get_font {
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Line 795 sub get_font {
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| $selected_font = $font_properties{$Apache::lonplot::plot{'fontface'}}; |
$selected_font = $font_properties{$Apache::lonplot::plot{'fontface'}}; |
| } |
} |
| if ($target eq 'tex' && defined($Apache::lonplot::plot{'texfont'})) { |
if ($target eq 'tex' && defined($Apache::lonplot::plot{'texfont'})) { |
| |
# $selected_font = $font_properties{'classic'}; |
| $size = $Apache::lonplot::plot{'texfont'}; |
$size = $Apache::lonplot::plot{'texfont'}; |
| } |
} |
| return ($size, $selected_font); |
return ($size, $selected_font); |
|
Line 1037 my %lookup =
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Line 1076 my %lookup =
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| '(ensp|#8194)' => {'tex' => ' ', 'web' => "\x{2002}"}, # en space. |
'(ensp|#8194)' => {'tex' => ' ', 'web' => "\x{2002}"}, # en space. |
| '(emsp|#8195)' => {'tex' => ' ', 'web' => "\x{2003}"}, # em space. |
'(emsp|#8195)' => {'tex' => ' ', 'web' => "\x{2003}"}, # em space. |
| '(thinsp|#8201)' => {'tex' => ' ', 'web' => "\x{2009}"}, # thin space. |
'(thinsp|#8201)' => {'tex' => ' ', 'web' => "\x{2009}"}, # thin space. |
| '(zwnj|#8204)' => {'tex' => '', 'web' => "\x{200c}"}, # Zero width non joiner. |
'(zwnj|#8204)' => {'tex' => ' ', 'web' => "\x{200c}"}, # Zero width non joiner. |
| '(zwj|#8205)' => {'tex' => '', 'web' => "\x{200d}"}, # Zero width joiner. |
'(zwj|#8205)' => {'tex' => ' ', 'web' => "\x{200d}"}, # Zero width joiner. |
| '(lrm|#8206)' => {'tex' => '', 'web' => "\x{200e}"}, # Left to right mark |
'(lrm|#8206)' => {'tex' => ' ', 'web' => "\x{200e}"}, # Left to right mark |
| '(rlm|#8207)' => {'tex' => '', 'web' => "\x{200f}"}, # right to left mark. |
'(rlm|#8207)' => {'tex' => ' ', 'web' => "\x{200f}"}, # right to left mark. |
| '(ndash|#8211)' => {'tex' => '{/Text \55}', 'web' => "\x{2013}"}, # en dash. |
'(ndash|#8211)' => {'tex' => '{/Text \55}', 'web' => "\x{2013}"}, # en dash. |
| '(mdash|#8212)' => {'tex' => '{/Symbol \55}', 'web' => "\x{2014}"}, # em dash. |
'(mdash|#8212)' => {'tex' => '{/Symbol \55}', 'web' => "\x{2014}"}, # em dash. |
| '(lsquo|#8216)' => {'tex' => '{/Text \140}', 'web' => "\x{2018}"}, # Left single quote. |
'(lsquo|#8216)' => {'tex' => '{/Text \140}', 'web' => "\x{2018}"}, # Left single quote. |
| '(rsquo|#8217)' => {'tex' => '{/Symbol \242}', 'web' => "\x{2019}"}, # Right single quote. |
'(rsquo|#8217)' => {'tex' => '\47', 'web' => "\x{2019}"}, # Right single quote. |
| '(sbquo|#8218)' => {'tex' => ',', 'web' => "\x{201a}"}, # Single low-9 quote. |
'(sbquo|#8218)' => {'tex' => '\54', 'web' => "\x{201a}"}, # Single low-9 quote. |
| '(ldquo|#8220)' => {'tex' => '{/Text \252}', 'web' => "\x{201c}"}, # Left double quote. |
'(ldquo|#8220)' => {'tex' => '\42', 'web' => "\x{201c}"}, # Left double quote. |
| '(rdquo|#8221)' => {'tex' => '{/Text \272}', 'web' => "\x{201d}"}, # Right double quote. |
'(rdquo|#8221)' => {'tex' => '\42', 'web' => "\x{201d}"}, # Right double quote. |
| '(bdquo|#8222)' => {'tex' => '{/Text \271}', 'web' => "\x{201e}"}, # Double low-9 quote. |
'(bdquo|#8222)' => {'tex' => ',', 'web' => "\x{201e}"}, # Double low-9 quote. |
| '(dagger|#8224)' => {'tex' => '{/Text \262}', 'web' => "\x{2020}"}, # Is this a dagger I see before me now? |
'(dagger|#8224)' => {'tex' => '+', 'web' => "\x{2020}"}, # Is this a dagger I see before me now? |
| '(Dagger|#8225)' => {'tex' => '{/Text \263}', 'web' => "\x{2021}"}, # it's handle pointing towards my heart? |
'(Dagger|#8225)' => {'tex' => '\261', 'web' => "\x{2021}"}, # it's handle pointing towards my heart? |
| '(bull|#8226)' => {'tex' => '\267', 'web' => "\x{2022}"}, # Bullet. |
'(bull|#8226)' => {'tex' => '\267', 'web' => "\x{2022}"}, # Bullet. |
| '(hellep|#8230)' => {'tex' => '{/Text \274}', 'web' => "\x{2026}"}, # Ellipses. |
'(hellep|#8230)' => {'tex' => '{/Symbol \274}', 'web' => "\x{2026}"}, # Ellipses. |
| '(permil|#8240)' => {'tex' => '{/Text \275}', 'web' => "\x{2031}"}, # Per mille. |
'(permil|#8240)' => {'tex' => '%_o', 'web' => "\x{2031}"}, # Per mille. |
| '(prime|#8242)' => {'tex' => '\264', 'web' => "\x{2032}"}, # Prime. |
'(prime|#8242)' => {'tex' => '\264', 'web' => "\x{2032}"}, # Prime. |
| '(Prime|#8243)' => {'tex' => '{/Symbol \262}', 'web' => "\x{2033}"}, # double prime. |
'(Prime|#8243)' => {'tex' => '{/Symbol \262}', 'web' => "\x{2033}"}, # double prime. |
| '(lsaquo|#8249)' => {'tex' => '{/Text \254}', 'web' => "\x{2039}"}, # < quote. |
'(lsaquo|#8249)' => {'tex' => '<', 'web' => "\x{2039}"}, # < quote. |
| '(rsaquo|#8250)' => {'tex' => '{/Text \255}', 'web' => "\x{2040}"}, # > quote. |
'(rsaquo|#8250)' => {'tex' => '\74', 'web' => "\x{203a}"}, # > quote. |
| '(oline|#8254)' => {'tex' => '{/Symbol \140}', 'web' => "\x{203e}"}, # Overline. |
'(oline|#8254)' => {'tex' => '{/Symbol \140}', 'web' => "\x{203e}"}, # Overline. |
| '(frasl|#8260)' => {'tex' => '/', 'web' => "\x{2044}"}, # Fraction slash. |
'(frasl|#8260)' => {'tex' => '/', 'web' => "\x{2044}"}, # Fraction slash. |
| '(euro|#8364)' => {'tex' => '{/Symbol \240}', 'web' => "\x{20a0}"}, # Euro currency. |
'(euro|#8364)' => {'tex' => '{/Symbol \240}', 'web' => "\x{20ac}"}, # Euro currency. |
| |
|
| # Letter like symbols. |
# Letter like symbols. |
| |
|
|
Line 1091 my %lookup =
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Line 1130 my %lookup =
|
| '(empty|#8709)' => {'tex' => '{/Symbol \306}', 'web' => "\x{2205}"}, # Null set. |
'(empty|#8709)' => {'tex' => '{/Symbol \306}', 'web' => "\x{2205}"}, # Null set. |
| '(nabla|#8711)' => {'tex' => '{/Symbol \321}', 'web' => "\x{2207}"}, # Gradient e.g. |
'(nabla|#8711)' => {'tex' => '{/Symbol \321}', 'web' => "\x{2207}"}, # Gradient e.g. |
| '(isin|#8712)' => {'tex' => '{/Symbol \316}', 'web' => "\x{2208}"}, # Element of the set. |
'(isin|#8712)' => {'tex' => '{/Symbol \316}', 'web' => "\x{2208}"}, # Element of the set. |
| |
'(notin|#8713)' => {'tex' => '{/Symbol \317}', 'web' => "\x{2209}"}, # Not an element of |
| '(ni|#8715)' => {'tex' => '{/Symbol \47}', 'web' => "\x{220b}"}, # Contains as a member |
'(ni|#8715)' => {'tex' => '{/Symbol \47}', 'web' => "\x{220b}"}, # Contains as a member |
| '(prod|#8719)' => {'tex' => '{/Symbol \325}', 'web' => "\x{220f}"}, # Product |
'(prod|#8719)' => {'tex' => '{/Symbol \325}', 'web' => "\x{220f}"}, # Product |
| '(sum|#8721)' => {'tex' => '{/Symbol \345}', 'web' => "\x{2211}"}, # Sum of. |
'(sum|#8721)' => {'tex' => '{/Symbol \345}', 'web' => "\x{2211}"}, # Sum of. |
| '(minus|#8722)' => {'tex' => '-', 'web' => "\x{2212}"}, # - sign. |
'(minus|#8722)' => {'tex' => '{/Symbol \55}', 'web' => "\x{2212}"}, # - sign. |
| '(lowast|#8727)' => {'tex' => '*', 'web' => "\x{2217}"}, # * |
'(lowast|#8727)' => {'tex' => '*', 'web' => "\x{2217}"}, # * |
| '(radic|#8730)' => {'tex' => '{/Symbol \326}', 'web' => "\x{221a}"}, # Square root. |
'(radic|#8730)' => {'tex' => '{/Symbol \326}', 'web' => "\x{221a}"}, # Square root. |
| '(prop|#8733)' => {'tex' => '{/Symbol \265}', 'web' => "\x{221d}"}, # Proportional to. |
'(prop|#8733)' => {'tex' => '{/Symbol \265}', 'web' => "\x{221d}"}, # Proportional to. |
|
Line 1105 my %lookup =
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Line 1145 my %lookup =
|
| '(cap|#8745)' => {'tex' => '{/Symbol \307}', 'web' => "\x{2229}"}, # Set intersection. |
'(cap|#8745)' => {'tex' => '{/Symbol \307}', 'web' => "\x{2229}"}, # Set intersection. |
| '(cup|#8746)' => {'tex' => '{/Symbol \310}', 'web' => "\x{222a}"}, # Set union. |
'(cup|#8746)' => {'tex' => '{/Symbol \310}', 'web' => "\x{222a}"}, # Set union. |
| '(int|8747)' => {'tex' => '{/Symbol \362}', 'web' => "\x{222b}"}, # Integral. |
'(int|8747)' => {'tex' => '{/Symbol \362}', 'web' => "\x{222b}"}, # Integral. |
| '(there4|#8756)' => {'tex' => '{/Symbol \134}', 'web' => "\x{2234}"}, # Therefore triple dots. |
|
| '(sim|#8764)' => {'tex' => '~', 'web' => "\x{223c}"}, # Simlar to. |
# Some gnuplot guru will have to explain to me why the next three |
| '(cong|#8773)' => {'tex' => '{/Symbol \100}', 'web' => "\x{2245}"}, # Congruent to/with. |
# require the extra slashes... else they print very funkily. |
| '(asymp|#8776)' => {'tex' => '{/Symbol \278}', 'web' => "\x{2248}"}, # Asymptotic to. |
|
| |
'(there4|#8756)' => {'tex' => '{/Symbol \\\134}', 'web' => "\x{2234}"}, # Therefore triple dots. |
| |
'(sim|#8764)' => {'tex' => '\\\176', 'web' => "\x{223c}"}, # Simlar to. |
| |
'(cong|#8773)' => {'tex' => '{/Symbol \\\100}','web' => "\x{2245}"}, # Congruent to/with. |
| |
|
| |
'(asymp|#8776)' => {'tex' => '{/Symbol \273}', 'web' => "\x{2248}"}, # Asymptotic to. |
| '(ne|#8800)' => {'tex' => '{/Symbol \271}', 'web' => "\x{2260}"}, # not equal to. |
'(ne|#8800)' => {'tex' => '{/Symbol \271}', 'web' => "\x{2260}"}, # not equal to. |
| '(equiv|#8801)' => {'tex' => '{/Symbol \272}', 'web' => "\x{2261}"}, # Equivalent to. |
'(equiv|#8801)' => {'tex' => '{/Symbol \272}', 'web' => "\x{2261}"}, # Equivalent to. |
| '(le|8804)' => {'tex' => '{/Symbol \243}', 'web' => "\x{2264}"}, # Less than or equal to. |
'(le|8804)' => {'tex' => '{/Symbol \243}', 'web' => "\x{2264}"}, # Less than or equal to. |
|
Line 1129 my %lookup =
|
Line 1174 my %lookup =
|
| '(rceil|8969)' => {'tex' => '{/Symbol \371}', 'web' => "\x{2309}"}, # Right ceiling. |
'(rceil|8969)' => {'tex' => '{/Symbol \371}', 'web' => "\x{2309}"}, # Right ceiling. |
| '(lfloor|8970)' => {'tex' => '{/Symbol \353}', 'web' => "\x{230a}"}, # Left floor. |
'(lfloor|8970)' => {'tex' => '{/Symbol \353}', 'web' => "\x{230a}"}, # Left floor. |
| '(rfloor|8971)' => {'tex' => '{/Symbol \373}', 'web' => "\x{230b}"}, # Right floor. |
'(rfloor|8971)' => {'tex' => '{/Symbol \373}', 'web' => "\x{230b}"}, # Right floor. |
| '(lang|9001)' => {'tex' => '{/Symbol \341}', 'web' => "\x{2329}"}, # Left angle bracket. |
|
| '(rang|9002)' => {'tex' => '{/Symbol \361}', 'web' => "\x{232a}"}, # Right angle bracket. |
# The gnuplot png font evidently does not have the big angle brackets at |
| |
# positions 0x2329, 0x232a so use ordinary brackets. |
| |
|
| |
'(lang|9001)' => {'tex' => '{/Symbol \341}', 'web' => '<'}, # Left angle bracket. |
| |
'(rang|9002)' => {'tex' => '{/Symbol \361}', 'web' => '>'}, # Right angle bracket. |
| |
|
| # Gemoetric shapes. |
# Gemoetric shapes. |
| |
|
|
Line 1317 sub start_curve {
|
Line 1366 sub start_curve {
|
| 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) { |
if ($constructtag) { |
| |
# |
| |
# Fix up the color attribute as jcolor does not prepend an x |
| |
# |
| |
my $value = $token->[2]{'color'}; |
| |
if (defined $value && !($value =~ /^x/)) { |
| |
$token->[2]{'color'} = 'x' . $value; |
| |
} |
| $result = &Apache::edit::rebuild_tag($token); |
$result = &Apache::edit::rebuild_tag($token); |
| } |
} |
| } |
} |
|
Line 1351 sub start_function {
|
Line 1407 sub start_function {
|
| my $function = &Apache::lonxml::get_all_text("/function",$parser, |
my $function = &Apache::lonxml::get_all_text("/function",$parser, |
| $style); |
$style); |
| $function = &Apache::run::evaluate($function,$safeeval,$$parstack[-1]); |
$function = &Apache::run::evaluate($function,$safeeval,$$parstack[-1]); |
| |
$function=~s/\^/\*\*/gs; |
| $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,$token,'Gnuplot compatible curve function'); |
|
Line 1421 sub start_data {
|
Line 1478 sub start_data {
|
| } |
} |
| # complain if the number of data points is not the same as |
# complain if the number of data points is not the same as |
| # in previous sets of data. |
# in previous sets of data. |
| if (($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 1462 sub start_axis {
|
Line 1519 sub start_axis {
|
| } 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) { |
if ($constructtag) { |
| |
# |
| |
# Fix up the color attribute since jchooser does not |
| |
# prepend an x to the color: |
| |
# |
| |
my $value = $token->[2]{'color'}; |
| |
if (defined $value && !($value =~ /^x/)) { |
| |
$token->[2]{'color'} = 'x' . $value; |
| |
} |
| |
|
| $result = &Apache::edit::rebuild_tag($token); |
$result = &Apache::edit::rebuild_tag($token); |
| } |
} |
| } |
} |
|
Line 1555 sub write_gnuplot_file {
|
Line 1622 sub write_gnuplot_file {
|
| $curve->{'color'} : |
$curve->{'color'} : |
| $Apache::lonplot::plot{'fgcolor'} ); |
$Apache::lonplot::plot{'fgcolor'} ); |
| } |
} |
| |
|
| # set term |
# set term |
| if ($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 1643 sub write_gnuplot_file {
|
| } |
} |
| $gnuplot_input .= ' "'.$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. |
| |
|
|
Line 1665 sub write_gnuplot_file {
|
Line 1733 sub write_gnuplot_file {
|
| $gnuplot_input .= ( $xtics{'mirror'} eq 'on'?"mirror ":"nomirror "); |
$gnuplot_input .= ( $xtics{'mirror'} eq 'on'?"mirror ":"nomirror "); |
| $gnuplot_input .= "$xtics{'start'}, "; |
$gnuplot_input .= "$xtics{'start'}, "; |
| $gnuplot_input .= "$xtics{'increment'}, "; |
$gnuplot_input .= "$xtics{'increment'}, "; |
| $gnuplot_input .= "$xtics{'end'}\n"; |
$gnuplot_input .= "$xtics{'end'} "; |
| |
if ($target eq 'tex') { |
| |
$gnuplot_input .= 'font "Helvetica,22"'; # Needed in iso 8859-1 enc. |
| |
} |
| |
$gnuplot_input .= "\n"; |
| if ($xtics{'minorfreq'} != 0) { |
if ($xtics{'minorfreq'} != 0) { |
| $gnuplot_input .= "set mxtics ".$xtics{'minorfreq'}."\n"; |
$gnuplot_input .= "set mxtics ".$xtics{'minorfreq'}."\n"; |
| } |
} |
| |
} else { |
| |
if ($target eq 'tex') { |
| |
$gnuplot_input .= 'set xtics font "Helvetica,22"'."\n"; # needed in iso 8859-1 enc |
| |
} |
| } |
} |
| if (%ytics) { |
if (%ytics) { |
| $gnuplot_input .= "set ytics $ytics{'location'} "; |
$gnuplot_input .= "set ytics $ytics{'location'} "; |
| $gnuplot_input .= ( $ytics{'mirror'} eq 'on'?"mirror ":"nomirror "); |
$gnuplot_input .= ( $ytics{'mirror'} eq 'on'?"mirror ":"nomirror "); |
| $gnuplot_input .= "$ytics{'start'}, "; |
$gnuplot_input .= "$ytics{'start'}, "; |
| $gnuplot_input .= "$ytics{'increment'}, "; |
$gnuplot_input .= "$ytics{'increment'}, "; |
| $gnuplot_input .= "$ytics{'end'}\n"; |
$gnuplot_input .= "$ytics{'end'} "; |
| |
if ($target eq 'tex') { |
| |
$gnuplot_input .= 'font "Helvetica,22"'; # Needed in iso-8859-1 encoding. |
| |
} |
| |
$gnuplot_input .= "\n"; |
| if ($ytics{'minorfreq'} != 0) { |
if ($ytics{'minorfreq'} != 0) { |
| $gnuplot_input .= "set mytics ".$ytics{'minorfreq'}."\n"; |
$gnuplot_input .= "set mytics ".$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) { |
|
Line 1700 sub write_gnuplot_file {
|
Line 1784 sub write_gnuplot_file {
|
| } |
} |
| $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 "; |
| |
} |
| |
} |
| |
$gnuplot_input .= "\n"; |
| |
} |
| } |
} |
| # Key |
# Key |
| if (%key) { |
if (%key) { |
|
Line 1859 sub edit_attributes {
|
Line 1963 sub edit_attributes {
|
| if ($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 1988 sub insert_data {
|
Line 2093 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() |
| |
|
| |
=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 |
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