Images and movies does not scale to match the viewport using compositor #109470

New Issue

jack conradsen · 2023-06-28T21:03:03+02:00

jack conradsen commented

2023-06-28 21:03:03 +02:00

System Information
Operating system: Windows-10-10.0.19045-SP0 64 Bits
Graphics card: NVIDIA GeForce RTX 3090/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 536.23

Blender Version
Broken: version: 3.6.0, branch: blender-v3.6-release, commit date: 2023-06-27 08:08, hash: c7fc78b81ecb
Worked: (newest version of Blender that worked as expected)

Short description of error
when using the compositor preview. Compositing an image or movie underneath your render, it doesn't scale to match the viewport.

Exact steps for others to reproduce the error
Open the blend file. see that the compositor and 3d viewport is open. It is set to rendered mode with real-time compositing enabled.
press 0 so that the view is alligned to the camera. If you zoom in and out using the scroll view. You'll see that the composted image doesn't scale to match the camera at all. And if you render out the scene. the image does scale to match the viewport.
It is the same case if, within the compositor window you show a preview on the background it will not be aligned properly

**System Information** Operating system: Windows-10-10.0.19045-SP0 64 Bits Graphics card: NVIDIA GeForce RTX 3090/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 536.23 **Blender Version** Broken: version: 3.6.0, branch: blender-v3.6-release, commit date: 2023-06-27 08:08, hash: `c7fc78b81ecb` Worked: (newest version of Blender that worked as expected) **Short description of error** when using the compositor preview. Compositing an image or movie underneath your render, it doesn't scale to match the viewport. **Exact steps for others to reproduce the error** Open the blend file. see that the compositor and 3d viewport is open. It is set to rendered mode with real-time compositing enabled. press 0 so that the view is alligned to the camera. If you zoom in and out using the scroll view. You'll see that the composted image doesn't scale to match the camera at all. And if you render out the scene. the image does scale to match the viewport. It is the same case if, within the compositor window you show a preview on the background it will not be aligned properly

images in real time compositor.blend

2.8 MiB

blender_5Qesc3E8Jh.gif

8.7 MiB

jack conradsen added the

labels 2023-06-28 21:03:04 +02:00

jack conradsen commented

2023-06-28 21:09:42 +02:00

An extra example from my current project. It is the same compositor node setup

blender_D393bjYV1m.mp4

5.6 MiB

Germano Cavalcante commented

2023-06-28 23:03:55 +02:00

I'm not sure if this should be considered a bug, because unlike a scene render in the viewport, the resolution of an image is not directly related to the camera's aperture or camera position.
The nodes used do not update the image size in relation to the camera or viewport.
So this report appears to be more of a modified feature request than a bug report.

But I'll leave it to the VFX team to decide.

I'm not sure if this should be considered a bug, because unlike a scene render in the viewport, the resolution of an image is not directly related to the camera's aperture or camera position. The nodes used do not update the image size in relation to the camera or viewport. So this report appears to be more of a modified feature request than a bug report. But I'll leave it to the `VFX` team to decide.

Germano Cavalcante added

Module

VFX & Video

Status

Needs Info from Developers

and removed

Status

Needs Triage

labels 2023-06-28 23:04:12 +02:00

jack conradsen commented

2023-06-28 23:06:43 +02:00

So this report appears to be more of a modified feature request than a bug report.

But I'll leave it to the VFX team to decide.

it's up to them, but hitting render shows the image in a fixed position and size so the live preview is definitely misleading

> So this report appears to be more of a modified feature request than a bug report. > > But I'll leave it to the `VFX` team to decide. it's up to them, but hitting render shows the image in a fixed position and size so the live preview is definitely misleading

jack conradsen changed title from ~~Images and movies does not scale to match the viewport using real-time compositor~~ to Images and movies does not scale to match the viewport using compositor

2023-07-03 18:27:57 +02:00

Omar Emara commented

2023-12-04 17:21:30 +01:00

This is the expected behavior at the moment. If you want images and videos to be constrained to the camera area, enable camera passepartout and set its alpha to 1, this will make areas outside of the camera black and limit the compositing space to the camera region. Then, instead of a Transform node, use a Scale node with its type set to Render Size -> Fit.

Omar Emara closed this issue

2023-12-04 17:21:33 +01:00

Blender Bot added

Status

Archived

and removed

Status

Needs Info from Developers

labels 2023-12-04 17:21:34 +01:00

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