[osg-users] Speed of Shaders

Hi there I have experienced that generally as soon as I use shaders, my DRAW time starts to increase significantly, and this even if I just reimplement the fixed function pipeline basic functionality. I wonder if some out there make the same experiences. Either it is my poor shader programmin

[osg-users] Point Selection in Point Cloud

Hello, I want to draw some rectangle in my viewer and select all points in a 3D point cloud scene inside that rectangle, i.e., I have some 2D shape in screen coordinates and want to select the 3D points that lie inside it in a 3D scene. I know how to draw the rectangle, and I also know that this