Hi guys,
I found and solved the problem! :D
When I grab the osg scene at first time, my view matrix is NaN; from the second
time, this matrix is correctly filled.
Then, I modified the grabImage method to replace when the view matrix is NaN by
the identity matrix, as follows:
Code:
osg::ref_ptr<osg::Image>
ImageViewerCaptureTool::grabImage(osg::ref_ptr<osg::Node> node) {
// set the current root node
_viewer->setSceneData(node);
// if the view matrix is invalid (NaN), use the identity
osg::ref_ptr<osg::Camera> camera = _viewer->getCamera();
if (camera->getViewMatrix().isNaN())
camera->setViewMatrix(osg::Matrix::identity());
// grab the current frame
_viewer->frame();
return _capture->captureImage();
}
Thanks for all messages!
Cheers,
Rômulo
------------------
Read this topic online here:
http://forum.openscenegraph.org/viewtopic.php?p=71615#71615
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