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Cubemap Tools

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Building a cubemap is very easy if you have the right tools. This document covers some useful tools used to generate cubemaps.

NVIDIA Texture Tools for Adobe Photoshop

One of the more common tools available is the NVIDIA Texture Tools plug-in for Adobe Photoshop. This tool set allows for the creation of DDS textures, cubemaps, and normal maps.

The plug-in can be acquired from NVIDIA .

At this time, the NVIDIA plug-in will produce errors when trying to export a 16-bit floating point (HDR) cubemap. Those wanting to create such a map might consider the unsupported ATI Cubemap Generator.

NvidiaExport.png

AMD CubeMapGen

Alternatively, you may use AMD CubeMapGen to produce cubemaps. This tool is capable of producing 16-bit floating point cubemaps. There are, however, some caveats to consider:

  1. This tool has officially reached the end of its life and is no longer supported by AMD.

  2. The tool uses a Y-Up world orientation, meaning that you will have to consider some axis shifting to make maps that work well in Unreal.

The tool is available for download directly from AMD .

AMDCubeMapGen.png

Other Tools

Epic Games has also made use of other tools to create the cubemap image, including:

  1. HDR Light Studio, available at http://www.hdrlightstudio.com/

  2. VUE can output a panoramic HDR image, this is useful for HDRs that contain skies. http://www.e-onsoftware.com/products/vue/vue_10.5_xstream/

  3. If rendering out of Mental Ray, you can use the Wrap Around (lume) lens shader.

  4. Light probe images can be purchased from a variety of websites.