Portion of off-screen grease pencil wave distortion rendering issue #118067

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opened 2024-02-10 00:02:00 +01:00 by wtfacoconut · 5 comments

System Information
Operating system: Windows 11 Pro (22H2)
Graphics card: Mobile Nvidia RTX 3080 Ti

Blender Version
Broken: 3.4.1

Short description of error
There's a rendering issue with a grease pencil stroke that is animated with the WaveDistortion effect.
As far as I can tell, if a portion of the animated stroke is coming into the frame, from out of the frame, the newly rendered portion of the stroke just looks like a straight line, rather than curved.

Please see image below. The arrows are showing the issue in a frame from a video render where the issue is most obvious:
image

Exact steps for others to reproduce the error
I've attached a copy of my blend file.

**System Information** Operating system: Windows 11 Pro (22H2) Graphics card: Mobile Nvidia RTX 3080 Ti **Blender Version** Broken: 3.4.1 **Short description of error** There's a rendering issue with a grease pencil stroke that is animated with the WaveDistortion effect. As far as I can tell, if a portion of the animated stroke is coming into the frame, from out of the frame, the newly rendered portion of the stroke just looks like a straight line, rather than curved. Please see image below. The arrows are showing the issue in a frame from a video render where the issue is most obvious: ![image](/attachments/98941640-5a10-4512-a3ea-16bb7739588f) **Exact steps for others to reproduce the error** I've attached a copy of my blend file.
wtfacoconut added the
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labels 2024-02-10 00:02:00 +01:00
Iliya Katushenock added the
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Grease Pencil
label 2024-02-10 12:01:51 +01:00

First of all, can you check if the same issue of occur in next blender versions? 3.4 was finished, see: https://projects.blender.org/blender/blender/milestone/2

First of all, can you check if the same issue of occur in next blender versions? 3.4 was finished, see: https://projects.blender.org/blender/blender/milestone/2
Author

Hey @mod_moder. I just tried using blender 4.0.2 and I'm still seeing the same issue.

Hey @mod_moder. I just tried using blender 4.0.2 and I'm still seeing the same issue.
Author

Because I'm seeing this issue with both blender versions 3.x and 4.x, is this a bug or an issue with my settings?

Because I'm seeing this issue with both blender versions 3.x and 4.x, is this a bug or an issue with my settings?
Member

Hi, thanks for the report. Can confirm in viewport as well near viewport borders.
@antoniov , can you check?

Hi, thanks for the report. Can confirm in viewport as well near viewport borders. @antoniov , can you check?
Pratik Borhade added
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Grease Pencil
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and removed
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Grease Pencil
labels 2024-02-12 07:39:59 +01:00

@PratikPB2123 I'm sorry but I have no time now to work in this bug now. Anyway, this bug is related to the draw engine and this was done by @fclem and I would not know how to fix it. Sure, he can help you here.

@PratikPB2123 I'm sorry but I have no time now to work in this bug now. Anyway, this bug is related to the draw engine and this was done by @fclem and I would not know how to fix it. Sure, he can help you here.
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Reference: blender/blender#118067
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