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Cycles texture interpolation bug #45946

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opened 2015-08-29 08:01:34 +02:00 by Robert M · 7 comments
Robert M commented 2015-08-29 08:01:34 +02:00
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System Information
Debian AMD64, fglrx-driver

Blender Version
Broken: current master

Short description of error
The texture interpolation shows artefacts near the 0.0 UV coordinates.
This issue appears in Linear, Cubic and Smart mode, and only in conjunction with 'Clip' or 'Extend' extrapolation.

The interpolation setting 'Closest', and extrapolation option 'Repeat' are free from those artefacts.

Exact steps for others to reproduce the error
Here is a blend file:
texture_interpolation_bug.blend

  1. Set 'Viewport Shading' to 'Rendered'
  2. change settings on the texture node (interpolation(Linear, Cubic, Smart, Closest) and extrapolation(Clip, Repeat, Extend))
**System Information** Debian AMD64, fglrx-driver **Blender Version** Broken: current master **Short description of error** The texture interpolation shows artefacts near the 0.0 UV coordinates. This issue appears in Linear, Cubic and Smart mode, and only in conjunction with 'Clip' or 'Extend' extrapolation. The interpolation setting 'Closest', and extrapolation option 'Repeat' are free from those artefacts. **Exact steps for others to reproduce the error** Here is a blend file: [texture_interpolation_bug.blend](https://archive.blender.org/developer/F228898/texture_interpolation_bug.blend) 1. Set 'Viewport Shading' to 'Rendered' 2. change settings on the texture node (interpolation(Linear, Cubic, Smart, Closest) and extrapolation(Clip, Repeat, Extend))
Robert M commented 2015-08-29 08:01:34 +02:00
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Changed status to: 'Open'

Changed status to: 'Open'
Robert M commented 2015-08-29 08:01:34 +02:00
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Added subscriber: @robertm

Added subscriber: @robertm
Greg Zaal commented 2015-08-29 10:23:11 +02:00
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Added subscriber: @GregZaal

Added subscriber: @GregZaal
Greg Zaal commented 2015-08-29 10:23:11 +02:00
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Screenshots...

Linear interpolation:

2015-08-29_10-20-14.png

Closest:

2015-08-29_10-21-21.png

Screenshots... Linear interpolation: ![2015-08-29_10-20-14.png](https://archive.blender.org/developer/F228927/2015-08-29_10-20-14.png) Closest: ![2015-08-29_10-21-21.png](https://archive.blender.org/developer/F228929/2015-08-29_10-21-21.png)
Sergey Sharybin self-assigned this 2015-08-29 11:09:21 +02:00
blender-admin commented 2015-09-03 15:16:30 +02:00
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This issue was referenced by 0bc4bc2e61

This issue was referenced by 0bc4bc2e616bc860634bb3b4a637c3400dc5c68f
Sergey Sharybin commented 2015-09-03 15:16:36 +02:00
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Changed status from 'Open' to: 'Resolved'

Changed status from 'Open' to: 'Resolved'
blender-admin commented 2015-09-05 14:06:41 +02:00
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This issue was referenced by blender/cycles@745fe20eb1

This issue was referenced by blender/cycles@745fe20eb1dab488ac57c9fb1be7ff62f57b17f9
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Reference: blender/blender#45946
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