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Rendering is the process of converting a 3D scene into a final output, such as an image or movie. It involves simulating light, applying materials, and calculating visual effects to produce the desired result. If your question pertains to a specific render engine, please use its respective tag (cycles, eevee, blender-internal, etc).

4 votes
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Refraction quality is lower in rendered image than in the viewport preview

The problem is that you are using flat shading on the mesh, as opposed to smooth shading that interpolates normals: https://docs.blender.org/manual/en/dev/modeling/meshes/editing/normals.html?highligh …
B.Y.O.B.'s user avatar
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7 votes

Object not rendering correctly from a distance

You probably have faces that are very close together (or on top of each other). Check your mesh for mistakes (e.g. select all in edit mode, then press W -> remove doubles). Another thing to check is …
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3 votes

GPU Rendering with LuxRender - Where is SLG Path OpenCL option?

So what you will want to use is either "LuxCore Path OpenCL" in your screenshot above, or switch LuxBlend into native LuxCore mode: http://www.luxrender.net/wiki/LuxBlend25_LuxCore To use GPU rendering … in LuxCore mode, go to the render settings panel and switch from CPU to OpenCL: Note that OpenCL rendering is only available when using the Path or Biased Path engine. …
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5 votes
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where is transparent view in luxrender

Select the camera, open the camera properties, and scroll down to the "Image Pipeline" panel. In there, you can enable the "Transparent Film" option.
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1 vote

Why am I getting an OpenCL driver error with BlendLuxCore when I'm rendering using CPU only?

Without having an example scene, it is only a guess, but I suspect that the cause is that LuxCore by default uses OpenCL for the imagepipeline computations (simple compositing like tonemapping that is …
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3 votes
Accepted

How disable/enable an Output File Node from python?

You can set the mute flag of the Node to True. import bpy scene = bpy.context.scene compositing_node_tree = scene.node_tree compositing_node_tree.nodes['File Output'].mute = True Alternatively you …
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