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Fix spelling of "Gouraud"

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Summary: Fix spelling of *Gouraud* in [Gouraud shading](https://en.wikipedia.org/wiki/Gouraud_shading).

Reviewed By: nikhilaravi

Differential Revision: D19943547

fbshipit-source-id: 5c016b7b051a7b33a7b68ed5303b642d9e834bbd
This commit is contained in:
Patrick Labatut
2020-02-20 01:08:43 -08:00
committed by Facebook Github Bot
parent f0dc65110a
commit 9ca5489107
8 changed files with 27 additions and 27 deletions
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8
docs/notes/renderer_getting_started.md
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@@ -91,18 +91,18 @@ Shaders are the most flexible part of the PyTorch3D rendering API. We have creat
A shader can incorporate several steps:
- **texturing** (e.g interpolation of vertex RGB colors or interpolation of vertex UV coordinates followed by sampling from a texture map (interpolation uses barycentric coordinates output from rasterization))
- **lighting/shading** (e.g. ambient, diffuse, specular lighting, Phong, Gourad, Flat)
- **lighting/shading** (e.g. ambient, diffuse, specular lighting, Phong, Gouraud, Flat)
- **blending** (e.g. hard blending using only the closest face for each pixel, or soft blending using a weighted sum of the top K faces per pixel)
We have examples of several combinations of these functions based on the texturing/shading/blending support we have currently. These are summarised in this table below. Many other combinations are possible and we plan to expand the options available for texturing, shading and blending.
|Example Shaders | Vertex Textures| Texture Map| Flat Shading| Gourad Shading| Phong Shading | Hard blending | Soft Blending |
|Example Shaders | Vertex Textures| Texture Map| Flat Shading| Gouraud Shading| Phong Shading | Hard blending | Soft Blending |
| ------------- |:-------------: | :--------------:| :--------------:| :--------------:| :--------------:|:--------------:|:--------------:|
| HardPhongShader | :heavy_check_mark: |||| :heavy_check_mark: | :heavy_check_mark:||
| SoftPhongShader | :heavy_check_mark: |||| :heavy_check_mark: | | :heavy_check_mark:|
| HardGouradShader | :heavy_check_mark: ||| :heavy_check_mark: || :heavy_check_mark:||
| SoftGouradShader | :heavy_check_mark: ||| :heavy_check_mark: ||| :heavy_check_mark:|
| HardGouraudShader | :heavy_check_mark: ||| :heavy_check_mark: || :heavy_check_mark:||
| SoftGouraudShader | :heavy_check_mark: ||| :heavy_check_mark: ||| :heavy_check_mark:|
| TexturedSoftPhongShader || :heavy_check_mark: ||| :heavy_check_mark: || :heavy_check_mark:|
| HardFlatShader | :heavy_check_mark: || :heavy_check_mark: ||| :heavy_check_mark:||
| SoftSilhouetteShader ||||||| :heavy_check_mark:|