1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
|
# Copyright (c) 1997-2015
# Ewgenij Gawrilow, Michael Joswig (Technische Universitaet Berlin, Germany)
# http://www.polymake.org
#
# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation; either version 2, or (at your option) any
# later version: http://www.gnu.org/licenses/gpl.txt.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#-------------------------------------------------------------------------------
require MetapostGraph;
# @category Visualization
# Produce a MetaPost input file with the given drawing.
label metapost
package Metapost::File::Writer;
import Visual::FileWriter(multiple => 1);
sub file_suffix { ".mp" }
global_method metapost.geometry: draw(Visual::PointSet, @) {
my ($self, $PointSet)=@_;
$self->append(new Metapost::Element($PointSet));
}
global_method metapost.graph: draw(Visual::Graph, @) {
my ($self, $Graph)=@_;
$self->append(new Metapost::Graph($Graph));
}
global_method metapost.lattice: draw(Visual::Lattice) {
my ($self, $Lattice)=@_;
$self->append(new Metapost::Lattice($Lattice));
}
package application;
# @category Visualization
# Produce a MetaPost input file with given visual objects.
# @param Visual::Object vis_obj ... objects to display
#
# @option String File "filename" or "AUTO"
# The MetaPost description always has to be stored in a file, there is no interactive viewer for this
# kind of visualization.
#
# For the file name you can use any expression allowed for the ''open'' function,
# including "-" for terminal output, "&HANDLE" for an already opened file handle,
# or "| program" for a pipe. Real file names are automatically completed with the ''.mp'' suffix if needed.
#
# The default setting "AUTO" lets the file name be derived from the drawing title.
# The automatically generated file name is displayed in the verbose mode.
user_function metapost(Visual::Object+, { File => "AUTO" }) {
visualize_explicit(@_, "Metapost");
}
# Local Variables:
# mode: perl
# c-basic-offset:3
# End:
|
