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Added osgvolume command line option "--bg r g b a" to enable customization of the window background colour

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This commit is contained in:
Robert Osfield
2017-02-13 16:53:37 +00:00
parent 71bf79cf6f
commit 378809f3a8
1 changed files with 5 additions and 1 deletions
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6
examples/osgvolume/osgvolume.cpp
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@@ -431,6 +431,7 @@ int main( int argc, char **argv )
arguments.getApplicationUsage()->addCommandLineOption("--sd <num>","Short hand for --sequence-length");
arguments.getApplicationUsage()->addCommandLineOption("--sdwm <num>","Set the SampleDensityWhenMovingProperty to specified value");
arguments.getApplicationUsage()->addCommandLineOption("--lod","Enable techniques to reduce the level of detail when moving.");
arguments.getApplicationUsage()->addCommandLineOption("--bg r g b a","Set the window background color(r,g,b,a) with each component the 0 to 1.0 range");
// arguments.getApplicationUsage()->addCommandLineOption("--raw <sizeX> <sizeY> <sizeZ> <numberBytesPerComponent> <numberOfComponents> <endian> <filename>","read a raw image data");
// construct the viewer.
@@ -457,7 +458,6 @@ int main( int argc, char **argv )
// add stateset manipulator
viewer.addEventHandler(new osgGA::StateSetManipulator(viewer.getCamera()->getOrCreateStateSet()));
viewer.getCamera()->setClearColor(osg::Vec4(0.0f,0.0f,0.0f,0.0f));
// if user request help write it out to cout.
if (arguments.read("-h") || arguments.read("--help"))
@@ -470,6 +470,10 @@ int main( int argc, char **argv )
while (arguments.read("-o",outputFile)) {}
osg::Vec4 bgColor(0.0f,0.0f, 0.0f, 0.0f);
while(arguments.read("--bg", bgColor.r(), bgColor.g(), bgColor.b(), bgColor.a())) {}
viewer.getCamera()->setClearColor(bgColor);
osg::ref_ptr<osg::TransferFunction1D> transferFunction;
std::string tranferFunctionFile;