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diff --git a/graphics/asymptote/cudareflect/tinyexr/examples/cube2longlat/README.md b/graphics/asymptote/cudareflect/tinyexr/examples/cube2longlat/README.md deleted file mode 100644 index 06a9e3c0ac..0000000000 --- a/graphics/asymptote/cudareflect/tinyexr/examples/cube2longlat/README.md +++ /dev/null @@ -1,46 +0,0 @@ -# Simple HDR cubemap to longlat(longitude latitude. or known as equirectangular) converter. - -## Requirements - -* C++11 compiler - -## Coordinate definition. - -* Y-up -* Right-handed -* Center is -z - -## Usage - -Assume cubemap image is given by 6 images(6 faces). - -``` -$ ./cube2longlat px.exr nx.exr py.exr ny.exr pz.exr nz.exr 512 longlat.exr (phi_offset) -``` - -Optional `phi_offset` is used to add offset(by angle) to phi to rotate X and Z faces. - - -## Supported input image format - -* [ ] RGBM(Filament's RGBM encoding. Multiplier is 16, and gamma corrected) Implemented but not tested. -* [x] EXR - -## Supported output image format - -* [ ] RGBM(Filament's RGBM encoding. Multiplier is 16, and gamma corrected) Implemented but not tested. -* [x] EXR -* [x] RGBE - -## Note - -When you create cubemap using Filament's cmgen https://github.com/google/filament/tree/master/tools/cmgen , its generated cubemap images are mirrored by X direction. -Use `--mirror` when invoking `cmgen` if required. - -## TODO - -* Single cubemap image(cross layout) -* Better antialiasing -* theta offset -* Mirroring. - |