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Fix reflectance values for objects without a reflectance map #2833

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merged 1 commit into from
Sep 2, 2020

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iche033
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@iche033 iche033 commented Aug 25, 2020

When generating reflectance values for depth cameras, visuals in the scene without a reflectance map is assigned a black material so they show up as 0s in the image output. However, it was found that the material used Gazebo/Black is not a pure black color as it has a small amount specular component and the final color is also affected by lighting. So the resulting reflectance output is non-zero. This PR creates a new Gazebo/BlackUnlit material that is true black and updates the reflectance generation code to use this material instead.

Signed-off-by: Ian Chen ichen@osrfoundation.org

Signed-off-by: Ian Chen <ichen@osrfoundation.org>
@iche033 iche033 requested a review from ahcorde August 25, 2020 23:55
@iche033 iche033 merged commit 2f3024d into gazebo9 Sep 2, 2020
@iche033 iche033 deleted the reflectance_black branch September 2, 2020 02:11
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scpeters commented Sep 3, 2020

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scpeters commented Sep 4, 2020

I think this caused a regression in the OgreLog/LogError test

17:22:34: Compiler error: unknown error in gazebo.material(247): token "lighting" is not recognized

{
technique
{
lighting off
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this line is causing the INTEGRATION_ogre_log test to fail:

17:22:34: Compiler error: unknown error in gazebo.material(247): token "lighting" is not recognized

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thanks for catching this. Addressed in #2840

@iche033 iche033 mentioned this pull request Sep 18, 2020
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3 participants