FGFS-4.1/OpenSceneGraph
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Changed the parameter handling so that it supports left to right inheritance of settings

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This commit is contained in:
Robert Osfield 2007-04-11 11:20:42 +00:00
parent 557fdacba2
commit 17054afc8f
1 changed files with 25 additions and 12 deletions
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33
examples/osgterrain/osgterrain.cpp
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@ -82,20 +82,30 @@ int main(int argc, char** argv)
osg::ref_ptr<osgTerrain::TerrainNode> terrain = new osgTerrain::TerrainNode;
osg::ref_ptr<osgTerrain::Locator> locator = new osgTerrain::EllipsoidLocator(-osg::PI, -osg::PI*0.5, 2.0*osg::PI, osg::PI, 0.0);
unsigned int layerNum = 0;
bool readParameter = false;
do
float minValue, maxValue;
int pos = 1;
while(pos<arguments.argc())
{
readParameter = false;
std::string filename;
if (arguments.read("-e",x,y,w,h))
if (arguments.read(pos, "--layer",layerNum))
{
osg::notify(osg::NOTICE)<<"Set layer number to "<<layerNum<<std::endl;
readParameter = true;
}
else if (arguments.read(pos, "-e",x,y,w,h))
{
// define the extents.
locator = new osgTerrain::EllipsoidLocator(x,y,w,h,0);
readParameter = true;
}
if (arguments.read("--hf",filename))
else if (arguments.read(pos, "--hf",filename))
{
readParameter = true;
@ -120,7 +130,7 @@ int main(int argc, char** argv)
}
if (arguments.read("-d",filename) || arguments.read("--elevation-image",filename))
else if (arguments.read(pos, "-d",filename) || arguments.read(pos, "--elevation-image",filename))
{
readParameter = true;
osg::notify(osg::NOTICE)<<"--elevation-image "<<filename<<std::endl;
@ -142,7 +152,7 @@ int main(int argc, char** argv)
}
}
if (arguments.read("-c",filename) || arguments.read("--image",filename))
else if (arguments.read(pos, "-c",filename) || arguments.read(pos, "--image",filename))
{
readParameter = true;
osg::notify(osg::NOTICE)<<"--image "<<filename<<" x="<<x<<" y="<<y<<" w="<<w<<" h="<<h<<std::endl;
@ -154,7 +164,7 @@ int main(int argc, char** argv)
imageLayer->setImage(image.get());
imageLayer->setLocator(locator.get());
terrain->setColorLayer(imageLayer.get());
terrain->setColorLayer(layerNum, imageLayer.get());
osg::notify(osg::NOTICE)<<"created Color osgTerrain::ImageLayer"<<std::endl;
}
@ -164,8 +174,7 @@ int main(int argc, char** argv)
}
}
float minValue, maxValue;
if (arguments.read("--tf",minValue, maxValue))
else if (arguments.read(pos, "--tf",minValue, maxValue))
{
readParameter = true;
@ -183,10 +192,14 @@ int main(int argc, char** argv)
osg::notify(osg::NOTICE)<<"--tf "<<minValue<<" "<<maxValue<<std::endl;
terrain->setColorTransferFunction(tf.get());
terrain->setColorTransferFunction(layerNum, tf.get());
}
else
{
++pos;
}
} while (readParameter);
}
osg::ref_ptr<osgTerrain::GeometryTechnique> geometryTechnique = new osgTerrain::GeometryTechnique;