: Create equirectangular/sphere projection map I have what is apparently called an equirectangular projection of the world. I can use the 3D functionality of Photoshop to use this as a texture for

@Jennifer810

In the Photoshop versions that support 3D, you can paint directly on a 3D surface, independent of the existing texture. Try making a custom brush from one of these flat objects, and "painting" it on. If your objects are simple enough, that might be all you need to do.

An alternative approach (very much depends on the specifics of your application) might be to put your flat object(s) on its/their own layer(s), turn them into 3D objects, orient them correctly, then merge down (CS6 only).

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@Merenda852

The issue with the equirectangular map is the Tissot Indicatrix, which is the way the lines spread out towards the top and bottom of the map (the distortion when wrapping and unwrapping the texture on a shape).
See:


Tissot's indicatrix
How does one calculate distortion on Equirectangular Projection?
Equirectangular projection
USGS Publications Warehouse Map Projections
PANORAMIC IMAGE PROJECTIONS
PanoToolsNG
Panorama photo stitcher


I'm still working on trying to create an action or a set of actions that work with distorting maps to projection. I'll post something once I get it working.

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