FGFS-4.1/OpenSceneGraph
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Added ValidDataOperator base class and NoDataValue and ValidRange subclasses, and

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support for it in osgTerrain::Layer and GeometryTechniqnue.
This commit is contained in:
Robert Osfield
2007-05-11 18:25:06 +00:00
parent e72ec7bb15
commit acb2ed177c
6 changed files with 204 additions and 83 deletions
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4
examples/osgterrain/osgterrain.cpp
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@@ -81,6 +81,7 @@ 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);
osg::ref_ptr<osgTerrain::ValidDataOperator> validDataOperator = new osgTerrain::NoDataValue(0.0);
unsigned int layerNum = 0;
@@ -136,6 +137,7 @@ int main(int argc, char** argv)
hfl->setHeightField(hf.get());
hfl->setLocator(locator.get());
hfl->setValidDataOperator(validDataOperator.get());
if (offset!=0.0f || scale!=1.0f)
{
@@ -167,6 +169,7 @@ int main(int argc, char** argv)
osg::ref_ptr<osgTerrain::ImageLayer> imageLayer = new osgTerrain::ImageLayer;
imageLayer->setImage(image.get());
imageLayer->setLocator(locator.get());
imageLayer->setValidDataOperator(validDataOperator.get());
if (offset!=0.0f || scale!=1.0f)
{
@@ -198,6 +201,7 @@ int main(int argc, char** argv)
osg::ref_ptr<osgTerrain::ImageLayer> imageLayer = new osgTerrain::ImageLayer;
imageLayer->setImage(image.get());
imageLayer->setLocator(locator.get());
imageLayer->setValidDataOperator(validDataOperator.get());
if (offset!=0.0f || scale!=1.0f)
{