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texture not combined with diffuse color #579

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andreasplesch opened this issue Nov 17, 2015 · 2 comments
Closed

texture not combined with diffuse color #579

andreasplesch opened this issue Nov 17, 2015 · 2 comments

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@andreasplesch
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The conformance test

http://www.web3d.org/x3d/content/examples/ConformanceNist/Appearance/ImageTexture/greyscale_jpg_diffuseColor.xhtml

produces only a greyscale texture, without the red tinting from the diffuse color.
@tsturm
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tsturm commented Nov 17, 2015

Hi Andreas,

blending a texture color with a material color should only work if you set the origChannelCount of the ImageTexture to 1 or 2.

<ImageTexture url="..." origChannelCount="1"></ImageTexture>

See Table 17.2 of the X3D Specification.

Regards
Timo

@andreasplesch
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Yes, x3dom has origChannelCount but x3d does not: http://www.web3d.org/documents/specifications/19775-1/V3.3/Part01/components/texturing.html#ImageTexture

So should 1 be the default ? This may have been discussed ?

@Sgeo Sgeo mentioned this issue Sep 28, 2019
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@tsturm tsturm closed this as completed Oct 16, 2019
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@tsturm @andreasplesch