![]() This can dramatically reduce memory usage, but at a possible cost in rendering speed. When the mental ray renderer is low on memory, Use Placeholder Objects enables it to increase available memory by deleting object geometry from the scene database. This option can improve rendering speed when a large amount of the scene's geometry is outside of the view you are rendering. ![]() An object's geometry is sent to the rendering engine only when mental ray renders a bucket that contains the object. Initially, the mental ray scene database is populated only with the sizes (bounding box) and positions of objects in the 3ds Max scene. Memory Options group Use Placeholder Objects When on, 3ds Max sends geometry to the mental ray renderer only on demand.
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