FGFS-4.1/OpenSceneGraph
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Added options for controlling mipmapping and aniso-tropic filtering.

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This commit is contained in:
Robert Osfield
2004-06-08 13:58:36 +00:00
parent ba7a7fe638
commit 65d0293778
3 changed files with 78 additions and 10 deletions
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37
examples/osgdem/osgdem.cpp
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@@ -186,13 +186,13 @@ int main( int argc, char **argv )
arguments.getApplicationUsage()->addCommandLineOption("--compressed","Use OpenGL compression on destination imagery");
arguments.getApplicationUsage()->addCommandLineOption("--RGB_16","Use 16bit RGB destination imagery");
arguments.getApplicationUsage()->addCommandLineOption("--RGB_24","Use 24bit RGB destination imagery");
arguments.getApplicationUsage()->addCommandLineOption("","");
if (arguments.argc()<=1)
{
arguments.getApplicationUsage()->write(std::cout,osg::ApplicationUsage::COMMAND_LINE_OPTION);
return 1;
}
arguments.getApplicationUsage()->addCommandLineOption("--max-visible-distance-of-top-level","Set the maximum visiable distance that the top most tile can be viewed at");
arguments.getApplicationUsage()->addCommandLineOption("--radius-to-max-visible-distance-ratio","Set the maximum visiable distance ratio for all tiles apart from the top most tile. The maximum visuble distance is computed from the ratio * tile radius.");
arguments.getApplicationUsage()->addCommandLineOption("--no-mip-mapping","Disable mip mapping of textures");
arguments.getApplicationUsage()->addCommandLineOption("--mip-mapping-hardware","Use mip mapped textures, and generate the mipmaps in hardware when available.");
arguments.getApplicationUsage()->addCommandLineOption("--mip-mapping-imagery","Use mip mapped textures, and generate the mipmaps in imagery.");
arguments.getApplicationUsage()->addCommandLineOption("--max-anisotropy","Max anisotropy level to use when texturing, defaults to 1.0.");
// arguments.getApplicationUsage()->addCommandLineOption("","");
// create DataSet.
osg::ref_ptr<osgTerrain::DataSet> dataset = new osgTerrain::DataSet;
@@ -228,6 +228,17 @@ int main( int argc, char **argv )
while (arguments.read("--RGB_16")) { dataset->setTextureType(osgTerrain::DataSet::RGB_16_BIT); }
while (arguments.read("--RGB_24")) { dataset->setTextureType(osgTerrain::DataSet::RGB_24_BIT); }
while (arguments.read("--no-mip-mapping")) { dataset->setMipMappingMode(osgTerrain::DataSet::NO_MIP_MAPPING); }
while (arguments.read("--mip-mapping-hardware")) { dataset->setMipMappingMode(osgTerrain::DataSet::MIP_MAPPING_HARDWARE); }
while (arguments.read("--mip-mapping-imagery")) { dataset->setMipMappingMode(osgTerrain::DataSet::MIP_MAPPING_IMAGERY); }
float maxAnisotropy;
while (arguments.read("--max-anisotropy",maxAnisotropy))
{
dataset->setMaxAnisotropy(maxAnisotropy);
}
dataset->setDestinationTileBaseName("output");
dataset->setDestinationTileExtension(".ive");
@@ -247,6 +258,18 @@ int main( int argc, char **argv )
dataset->setSkirtRatio(skirtRatio);
}
float maxVisibleDistanceOfTopLevel;
while (arguments.read("--max-visible-distance-of-top-level",maxVisibleDistanceOfTopLevel))
{
dataset->setMaximumVisibleDistanceOfTopLevel(maxVisibleDistanceOfTopLevel);
}
float radiusToMaxVisibleDistanceRatio;
while (arguments.read("--radius-to-max-visible-distance-ratio",radiusToMaxVisibleDistanceRatio))
{
dataset->setRadiusToMaxVisibleDistanceRatio(radiusToMaxVisibleDistanceRatio);
}
// if user request help write it out to cout.
if (arguments.read("-h") || arguments.read("--help"))
{