FGFS-4.1/OpenSceneGraph
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Added command line arguments to Viewer constructor, and added meaningful error message when no 3d image is provided

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This commit is contained in:
Robert Osfield 2008-08-25 09:53:24 +00:00
parent 78e22f24c2
commit 8d8852bc23
1 changed files with 6 additions and 2 deletions
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8
examples/osgvolume/osgvolume.cpp
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@ -1495,7 +1495,7 @@ int main( int argc, char **argv )
// arguments.getApplicationUsage()->addCommandLineOption("--raw <sizeX> <sizeY> <sizeZ> <numberBytesPerComponent> <numberOfComponents> <endian> <filename>","read a raw image data"); // arguments.getApplicationUsage()->addCommandLineOption("--raw <sizeX> <sizeY> <sizeZ> <numberBytesPerComponent> <numberOfComponents> <endian> <filename>","read a raw image data");
// construct the viewer. // construct the viewer.
osgViewer::Viewer viewer; osgViewer::Viewer viewer(arguments);
// if user request help write it out to cout. // if user request help write it out to cout.
if (arguments.read("-h") || arguments.read("--help")) if (arguments.read("-h") || arguments.read("--help"))
@ -1620,7 +1620,11 @@ int main( int argc, char **argv )
} }
} }
if (!image_3d) return 0; if (!image_3d)
{
std::cout<<"No model loaded, please specify and volumetric image file on the command line."<<std::endl;
return 1;
}
if (colourSpaceOperation!=NO_COLOUR_SPACE_OPERATION) if (colourSpaceOperation!=NO_COLOUR_SPACE_OPERATION)
{ {