The Viewport is an updating progressive rendering window. The viewport updates changes to material and light parameters without reloading the scene onto the GPU. If transformations (move, scale, rotate) are made to the scene geometry, including lights, then the viewport needs to refresh by reloading geometry onto the GPU in order to show these changes. You can access the OctaneRender® Viewport from the Octane Menu (Figure 1) or Render Setup window (Figure 2). 


Octane Logo


Octane Render Viewport


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Figure 1: Accessing the OctaneRender Viewport from the Octane Menu 



Octane Render Viewports




Figure 2: Accessing the OctaneRender Viewport from Render Setup