Maniphest T96944

File Output node can not output RGBA
Closed, Archived
Actions

Assigned To
None
Authored By
Ludvik Koutny (rawalanche)
Apr 1 2022, 12:19 PM
Tags
  • BF Blender
Subscribers
Ludvik Koutny (rawalanche)
Philipp Oeser (lichtwerk)

Description

System Information
Operating system: Windows-10-10.0.19044-SP0 64 Bits
Graphics card: NVIDIA GeForce RTX 2080 Ti/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 512.15

Blender Version
Broken: version: 3.1.0, branch: master, commit date: 2022-03-08 18:16, hash: rBc77597cd0e15
Worked: (newest version of Blender that worked as expected)

Short description of error
The File Output compositing node does support RGBA image formats:


but doesn't provide any way of writing the Alpha channel into it.

Exact steps for others to reproduce the error

  1. Create a new File Output node in Compositor nodes
  2. Set file format to RGBA PNG
  3. Try to output image with alpha channel

Result: File Output node can not output alpha channel
Expected: File Output node can output alpha channel

Event Timeline

Ludvik Koutny (rawalanche) created this task.Apr 1 2022, 12:19 PM
Philipp Oeser (lichtwerk) changed the task status from Needs Triage to Needs Information from User.Apr 1 2022, 1:53 PM
Philipp Oeser (lichtwerk) added a subscriber: Philipp Oeser (lichtwerk).

Cannot reproduce here.

T96944.blend809 KBDownload

Does it not work in above file for you?
If it does, but it does not work in your own file, then please share that here as well...

Ludvik Koutny (rawalanche) added a comment.EditedApr 1 2022, 4:24 PM
In T96944#1333547, @Philipp Oeser (lichtwerk) wrote:

Cannot reproduce here.

T96944.blend809 KBDownload

Does it not work in above file for you?
If it does, but it does not work in your own file, then please share that here as well...

Nevermind. It's just another UX failure. The Compositing Node editor uses same Yellow color coding for RGBA as other node editors use for RGB structure. So I thought that the yellow data type in the editor is just RGB, while it's apparently RGBA.

You can close this probably, although I think different data structure types should never use the same color.

Philipp Oeser (lichtwerk) closed this task as Archived.Apr 4 2022, 8:45 AM
In T96944#1333662, @Ludvik Koutny (rawalanche) wrote:

You can close this probably, although I think different data structure types should never use the same color.

OKi, will close (remaining issue is not really a bug)