Render image after camera position is animated does not use current camera position #62092
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Reference: blender/blender#62092
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System Information
Operating system: Win64
Graphics card:
Blender Version
Broken: 2.80 build 2019-02-27 01:36 Hash:
168d3fd528Branch Blender2.7Worked: (optional): 2.79b
After animating camera position, "render image" action does not respect current camera position. Uses the current animation keyframe position, not current camera location. Behavior change vs 2.79.
Step to reproduce:
Based on the default startup
On Frame 1, Insert LocRot keyframe for camera, cube is centered in view
re-position camera. Do not update key frame.
Render image via F12 or Menu. Image is for camera keyframe location, not for the location the camera is currently at. Returning from the render and the camera is still at altered location.
Workaround: After Muting Transformations Render Image does then use current camera position. Obscure workaround for most users and labor intensive.
Prior behavior:
Render Image rendered wherever the camera was currently
Render Animation always used keyframe interpolated position.
Prior behavior purpose:
A) scouting future camera positions, changing settings and trying to save images with adjusted settings before keyframing the value change.
B) Stills around an animation.
Additional note:
Added subscriber: @IanFinn
Added subscriber: @WilliamReynish
Please try with a newer build from March 1 or 2 - afaik this should be fixed.
Checked on build 2019-03-01 10:14, and behavior is the same. It only takes seconds to reproduce from default scene. Screen shots of splash screen, viewport view through camera and render attached.
Retested on V2.80
18e5540a48Build 06-Mar-19 00:18, Issue still existsAdded subscribers: @brecht, @ZedDB
@brecht who to assign this to?
The render dependency graph is separate from the viewport one now. I guess it would make sense for it to also ignore animation for edited properties but not sure how easily this can fit in the design.
Added subscriber: @capnm
@brecht, technically, reverting
872ff50would solve this specific issue, but will re-introduce the spring bug.Didn't went all the way to the root of that issue, but my guess is that it's something to do with the fact that animation and character are coming from different libraries.
Something like following might work: skip animation tag if both Object ID and it's Action are both local. Not sure how reliable is that or how crazy that sounds.
Added subscriber: @Sergey
@brecht, i can not fix it from dependency graph. It is render pipeline which explicitly asks to update for a new frame, which implies updating animation.
@Sergey, you can use
BLI_CB_EVT_FRAME_CHANGE_PREinstead ofBLI_CB_EVT_DEPSGRAPH_UPDATE_PREinscene_graph_update_tagged, only for this case.@brecht, to me it seems weird and to make non-frame-changing update function advertise self as a frame-changing.
If you're fine with that and you're fine with scripts possibly making wrong assumptions about animation system being updated please go ahead.
Added subscriber: @iss
Changed status from 'Confirmed' to: 'Needs User Info'
I have re-triaged this report and can not reproduce it.
Can you please check if this is still an issue in latest build?
https://builder.blender.org/download/
Changed status from 'Needs User Info' to: 'Resolved'
Since last asking for information it has been 7 or more days, due to the policy of our bug tracker we will have to archive the report until the requested information is given.