GPU
It is recommended to use half of the available GPU memory for loading more graphics in the viewer, and then persist them during navigation. For denser models, it is recommended to update the GPU maximum memory in the application.
The default GPU Max value used is 1 GB.
Level of Detail (LOD)
The LOD refers to the complexity of a 3D model representation. It defines the minimum surface area and stroking tolerance (quality) to be used for determining which object needs to be displayed at specific distances from the camera. It can help in making rendering faster by eliminating unnecessary objects and having fewer tessellations.
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If the graphics do not display in the Home position, it is recommended to update LODs according to the model range.
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If you are having navigation and loading issues in denser models, use the appropriate LOD for the model.