Published on March 1, 2014
www.topcadservices.com PRESENT Informative about Final Gather in 3D CAD In the real world a lot of the light that you see is the direct result of indirect illumination (e.g., light that isn’t coming directly from a source like a light bulb). This is the light that bounces off other surfaces to illuminate your surroundings. When creating realistic renders whether it be for an interior or visualization, indirect illumination is something that it can be consider using in 3D scene or 3D CAD scene(is used almost in all CAD softwares like AutoCAD, 3DsMax, SolidWORKS and e.t.c). Final gather(FG) is a prominent feature in most rendering engines, including the render engine mental ray which is the main rendering engine. In global illumination final gathering is the simulation of refusal or bounce the light from surfaces. Visit us www.topcadservices.com Rendering option that can be used in conjunction with photon mapped global illumination to smooth out your results, producing continuous illumination instead of the blotchy output you can get from photon mapping used alone. Final gather technique is used to add fine details in
scene (CAD and 3D) and make her more quality and realistic. When global illumination is used, photons usually miss cracks and crevices in objects and therefore these areas may appear artificially dark. Actually it simulate diffuse of lighting. So Final gather adds details by adding light to the 3D modeled scene in CAD, brightening and softening it and making the final render more realistic. Final gather is an easy way to achieve indirect illumination results for scenes that need accurate lighting, producing nice soft shadows efficiently within the scene and blending the colors together smoothly. Here is one example of render with using FG and without using FG. Difference could be easily seen. Render table without Final Gather
Render with Final Gather Reason for simulating indirect lighting with Final Gather in 3D CAD is to create real-world effects in render. If you are going for a more stylized render for your scene you may not need final gather… Read all post at http://www.topcadservices.com/2014/informative-aboutfinal-gather-in-cad-and-3d/
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Global Illumination and Final Gather in Mental Ray for Maya Currently, ...