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
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
|
/*****************************************************************************
*
* This file is part of Mapnik (c++ mapping toolkit)
*
* Copyright (C) 2006 Artem Pavlenko, Jean-Francois Doyon
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*****************************************************************************/
// boost
#include <boost/python.hpp>
// mapnik
#include <mapnik/raster_symbolizer.hpp>
#include <mapnik/raster_colorizer.hpp>
#include <mapnik/image_scaling.hpp>
using mapnik::raster_symbolizer;
void export_raster_symbolizer()
{
using namespace boost::python;
class_<raster_symbolizer>("RasterSymbolizer",
init<>("Default ctor"))
.add_property("mode",
make_function(&raster_symbolizer::get_mode,return_value_policy<copy_const_reference>()),
&raster_symbolizer::set_mode,
"Get/Set merging mode. (deprecated, use comp_op instead)\n"
)
.add_property("comp_op",
&raster_symbolizer::comp_op,
&raster_symbolizer::set_comp_op,
"Set/get the raster comp-op"
)
.add_property("scaling",
&raster_symbolizer::get_scaling_method,
&raster_symbolizer::set_scaling_method,
"Get/Set scaling algorithm.\n"
"\n"
"Usage:\n"
"\n"
">>> from mapnik import RasterSymbolizer\n"
">>> r = RasterSymbolizer()\n"
">>> r.scaling = 'mapnik.scaling_method.GAUSSIAN'\n"
)
.add_property("opacity",
&raster_symbolizer::get_opacity,
&raster_symbolizer::set_opacity,
"Get/Set opacity.\n"
"\n"
"Usage:\n"
"\n"
">>> from mapnik import RasterSymbolizer\n"
">>> r = RasterSymbolizer()\n"
">>> r.opacity = .5\n"
)
.add_property("colorizer",
&raster_symbolizer::get_colorizer,
&raster_symbolizer::set_colorizer,
"Get/Set the RasterColorizer used to color data rasters.\n"
"\n"
"Usage:\n"
"\n"
">>> from mapnik import RasterSymbolizer, RasterColorizer\n"
">>> r = RasterSymbolizer()\n"
">>> r.colorizer = RasterColorizer()\n"
">>> for value, color in [\n"
"... (0, \"#000000\"),\n"
"... (10, \"#ff0000\"),\n"
"... (40, \"#00ff00\"),\n"
"... ]:\n"
"... r.colorizer.append_band(value, color)\n"
)
.add_property("filter_factor",
&raster_symbolizer::get_filter_factor,
&raster_symbolizer::set_filter_factor,
"Get/Set the filter factor used by the datasource.\n"
"\n"
"This is used by the Raster or Gdal datasources to pre-downscale\n"
"images using overviews.\n"
"Higher numbers can sometimes cause much better scaled image\n"
"output, at the cost of speed.\n"
"\n"
"Examples:\n"
" -1.0 : (Default) A suitable value will be determined from the\n"
" chosen scaling method during rendering.\n"
" 1.0 : The datasource will take care of all the scaling\n"
" (using nearest neighbor interpolation)\n"
" 2.0 : The datasource will scale the datasource to\n"
" 2.0x the desired size, and mapnik will scale the rest\n"
" of the way using the interpolation defined in self.scaling.\n"
)
.add_property("mesh_size",
&raster_symbolizer::get_mesh_size,
&raster_symbolizer::set_mesh_size,
"Get/Set warping mesh size.\n"
"Larger values result in faster warping times but might "
"result in distorted maps.\n"
"\n"
"Usage:\n"
"\n"
">>> from mapnik import RasterSymbolizer\n"
">>> r = RasterSymbolizer()\n"
">>> r.mesh_size = 32\n"
)
.add_property("premultiplied",
&raster_symbolizer::premultiplied,
&raster_symbolizer::set_premultiplied,
"Get/Set premultiplied status of the source image.\n"
"Can be used to override what the source data reports (when in error)\n"
"\n"
"Usage:\n"
"\n"
">>> from mapnik import RasterSymbolizer\n"
">>> r = RasterSymbolizer()\n"
">>> r.premultiplied = False\n"
)
;
}
|
