The volume mapper just writes the bounding polygon to the Z buffer. To access true depth data of raycasting, enable RenderToImage and once rendering is complete, access the color and depth data using GetColorImage / GetDepthImage methods.
The volume mapper just writes the bounding polygon to the Z buffer. To access true depth data of raycasting, enable RenderToImage and once rendering is complete, access the color and depth data using GetColorImage / GetDepthImage methods.