osgEarth 2.1.1

/home/cube/sources/osgearth/src/osgEarthFeatures/FeatureRasterizer.cpp

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00001 /* -*-c++-*- */
00002 /* osgEarth - Dynamic map generation toolkit for OpenSceneGraph
00003  * Copyright 2008-2009 Pelican Ventures, Inc.
00004  * http://osgearth.org
00005  *
00006  * osgEarth is free software; you can redistribute it and/or modify
00007  * it under the terms of the GNU Lesser General Public License as published by
00008  * the Free Software Foundation; either version 2 of the License, or
00009  * (at your option) any later version.
00010  *
00011  * This program is distributed in the hope that it will be useful,
00012  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00013  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00014  * GNU Lesser General Public License for more details.
00015  *
00016  * You should have received a copy of the GNU Lesser General Public License
00017  * along with this program.  If not, see <http://www.gnu.org/licenses/>
00018  */
00019 #include <osgEarthFeatures/FeatureRasterizer>
00020 #include <osgDB/ReadFile>
00021 
00022 using namespace osgEarth;
00023 using namespace osgEarth::Features;
00024 
00025 FeatureRasterizer::FeatureRasterizer( const osgDB::ReaderWriter::Options* options ) :
00026 _options( options )
00027 {
00028     //NOP
00029 }
00030 
00031 
00032 FeatureRasterizer*
00033 FeatureRasterizerFactory::create(const std::string& driver,
00034                                  const Config& driverConf,
00035                                  const osgDB::ReaderWriter::Options* globalOptions )
00036 {
00037     osg::ref_ptr<PluginOptions> pluginOptions = globalOptions?
00038         new PluginOptions( *globalOptions ) :
00039         new PluginOptions();
00040 
00041     // Setup the plugin options for the source
00042     pluginOptions->config() = driverConf;
00043 
00044         //Load the source from the a plugin.  The "." prefix causes OSG to select the correct plugin.
00045     //For instance, the WMS plugin can be loaded by using ".osgearth_wms" as the filename
00046     osg::ref_ptr<FeatureRasterizer> rasterizer = dynamic_cast<FeatureRasterizer*>(
00047         osgDB::readObjectFile( ".osgearth_rasterizer_" + driver, pluginOptions.get()));
00048 
00049         if ( !rasterizer.valid() )
00050         {
00051                 osg::notify(osg::NOTICE) << "[osgEarth] Warning: Could not load Rasterizer for driver "  << driver << std::endl;
00052         }
00053 
00054         return rasterizer.release();
00055 }
00056 
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