Camera left with zoom value 'nan' cannot have zoom state reverted #120041

New Issue

Rombout Versluijs · 2024-03-28T22:45:01+01:00

Rombout Versluijs commented

2024-03-28 22:45:01 +01:00

System Information
Operating system: Windows-10-10.0.26085-SP0 64 Bits
Graphics card: NVIDIA GeForce GTX 1660 Ti/PCIe/SSE2 NVIDIA Corporation 4.6.0 NVIDIA 551.86

Blender Version
Broken: version: 4.1.0, branch: blender-v4.1-release, commit date: 2024-03-25 20:42, hash: 40a5e739e270
Worked: (newest version of Blender that worked as expected)

Short description of error
When working on an addon which saves camera data, location and rotation on a single camera so user can make different shots. I ran into this problem when testing to store data from projection. I noticed when going into camera view, everything was dark grey. Normally this mean its either zoomed in or zoomed out a lot. Using home to center, doesnt work. Checking the console showed me this error. It keeps on going as i move the cursor

WARN (ed.gizmo.library_utils): C:\Users\blender\git\blender-v410\blender.git\source\blender\editors\gizmo_library\gizmo_library_utils.cc:187 gizmo_window_project_2d: Gizmo "GIZMO_GT_cage_2d" of group "VIEW3D_GGT_camera_view" has matrix that could not be inverted (projection will fail)
WARN (ed.gizmo.library_utils): C:\Users\blender\git\blender-v410\blender.git\source\blender\editors\gizmo_library\gizmo_library_utils.cc:187 gizmo_window_project_2d: Gizmo "GIZMO_GT_cage_2d" of group "VIEW3D_GGT_camera_view" has matrix that could not be inverted (projection will fail)
WARN (ed.gizmo.library_utils): C:\Users\blender\git\blender-v410\blender.git\source\blender\editors\gizmo_library\gizmo_library_utils.cc:187 gizmo_window_project_2d: Gizmo "GIZMO_GT_cage_2d" of group "VIEW3D_GGT_camera_view" has matrix that could not be inverted (projection will fail)
WARN (ed.gizmo.library_utils): C:\Users\blender\git\blender-v410\blender.git\source\blender\editors\gizmo_library\gizmo_library_utils.cc:187 gizmo_window_project_2d: Gizmo "GIZMO_GT_cage_2d" of group "VIEW3D_GGT_camera_view" has matrix that could not be inverted (projection will fail)
WARN (ed.gizmo.library_utils): C:\Users\blender\git\blender-v410\blender.git\source\blender\editors\gizmo_library\gizmo_library_utils.cc:187 gizmo_window_project_2d: Gizmo "GIZMO_GT_cage_2d" of group "VIEW3D_GGT_camera_view" has matrix that could not be inverted (projection will fail)
WARN (ed.gizmo.library_utils): C:\Users\blender\git\blender-v410\blender.git\source\blender\editors\gizmo_library\gizmo_library_utils.cc:187 gizmo_window_project_2d: Gizmo "GIZMO_GT_cage_2d" of group "VIEW3D_GGT_camera_view" has matrix that could not be inverted (projection will fail)
WARN (ed.gizmo.library_utils): C:\Users\blender\git\blender-v410\blender.git\source\blender\editors\gizmo_library\gizmo_library_utils.cc:187 gizmo_window_project_2d: Gizmo "GIZMO_GT_cage_2d" of group "VIEW3D_GGT_camera_view" has matrix that could not be inverted (projection will fail)
WARN (ed.gizmo.library_utils): C:\Users\blender\git\blender-v410\blender.git\source\blender\editors\gizmo_library\gizmo_library_utils.cc:187 gizmo_window_project_2d: Gizmo "GIZMO_GT_cage_2d" of group "VIEW3D_GGT_camera_view" has matrix that could not be inverted (projection will fail)
WARN (ed.gizmo.library_utils): C:\Users\blender\git\blender-v410\blender.git\source\blender\editors\gizmo_library\gizmo_library_utils.cc:187 gizmo_window_project_2d: Gizmo "GIZMO_GT_cage_2d" of group "VIEW3D_GGT_camera_view" has matrix that could not be inverted (projection will fail)
WARN (ed.gizmo.library_utils): C:\Users\blender\git\blender-v410\blender.git\source\blender\editors\gizmo_library\gizmo_library_utils.cc:187 gizmo_window_project_2d: Gizmo "GIZMO_GT_cage_2d" of group "VIEW3D_GGT_camera_view" has matrix that could not be inverted (projection will fail)
WARN (ed.gizmo.library_utils): C:\Users\blender\git\blender-v410\blender.git\source\blender\editors\gizmo_library\gizmo_library_utils.cc:187 gizmo_window_project_2d: Gizmo "GIZMO_GT_cage_2d" of group "VIEW3D_GGT_camera_view" has matrix that could not be inverted (projection will fail)
WARN (ed.gizmo.library_utils): C:\Users\blender\git\blender-v410\blender.git\source\blender\editors\gizmo_library\gizmo_library_utils.cc:187 gizmo_window_project_2d: Gizmo "GIZMO_GT_cage_2d" of group "VIEW3D_GGT_camera_view" has matrix that could not be inverted (projection will fail)
WARN (ed.gizmo.library_utils): C:\Users\blender\git\blender-v410\blender.git\source\blender\editors\gizmo_library\

Exact steps for others to reproduce the error
01 open attached blend file
02 Go into camera mode
03 Open the console and see error message

**System Information** Operating system: Windows-10-10.0.26085-SP0 64 Bits Graphics card: NVIDIA GeForce GTX 1660 Ti/PCIe/SSE2 NVIDIA Corporation 4.6.0 NVIDIA 551.86 **Blender Version** Broken: version: 4.1.0, branch: blender-v4.1-release, commit date: 2024-03-25 20:42, hash: `40a5e739e270` Worked: (newest version of Blender that worked as expected) **Short description of error** When working on an addon which saves camera data, location and rotation on a single camera so user can make different shots. I ran into this problem when testing to store data from projection. I noticed when going into camera view, everything was dark grey. Normally this mean its either zoomed in or zoomed out a lot. Using home to center, doesnt work. Checking the console showed me this error. It keeps on going as i move the cursor ``` WARN (ed.gizmo.library_utils): C:\Users\blender\git\blender-v410\blender.git\source\blender\editors\gizmo_library\gizmo_library_utils.cc:187 gizmo_window_project_2d: Gizmo "GIZMO_GT_cage_2d" of group "VIEW3D_GGT_camera_view" has matrix that could not be inverted (projection will fail) WARN (ed.gizmo.library_utils): C:\Users\blender\git\blender-v410\blender.git\source\blender\editors\gizmo_library\gizmo_library_utils.cc:187 gizmo_window_project_2d: Gizmo "GIZMO_GT_cage_2d" of group "VIEW3D_GGT_camera_view" has matrix that could not be inverted (projection will fail) WARN (ed.gizmo.library_utils): C:\Users\blender\git\blender-v410\blender.git\source\blender\editors\gizmo_library\gizmo_library_utils.cc:187 gizmo_window_project_2d: Gizmo "GIZMO_GT_cage_2d" of group "VIEW3D_GGT_camera_view" has matrix that could not be inverted (projection will fail) WARN (ed.gizmo.library_utils): C:\Users\blender\git\blender-v410\blender.git\source\blender\editors\gizmo_library\gizmo_library_utils.cc:187 gizmo_window_project_2d: Gizmo "GIZMO_GT_cage_2d" of group "VIEW3D_GGT_camera_view" has matrix that could not be inverted (projection will fail) WARN (ed.gizmo.library_utils): C:\Users\blender\git\blender-v410\blender.git\source\blender\editors\gizmo_library\gizmo_library_utils.cc:187 gizmo_window_project_2d: Gizmo "GIZMO_GT_cage_2d" of group "VIEW3D_GGT_camera_view" has matrix that could not be inverted (projection will fail) WARN (ed.gizmo.library_utils): C:\Users\blender\git\blender-v410\blender.git\source\blender\editors\gizmo_library\gizmo_library_utils.cc:187 gizmo_window_project_2d: Gizmo "GIZMO_GT_cage_2d" of group "VIEW3D_GGT_camera_view" has matrix that could not be inverted (projection will fail) WARN (ed.gizmo.library_utils): C:\Users\blender\git\blender-v410\blender.git\source\blender\editors\gizmo_library\gizmo_library_utils.cc:187 gizmo_window_project_2d: Gizmo "GIZMO_GT_cage_2d" of group "VIEW3D_GGT_camera_view" has matrix that could not be inverted (projection will fail) WARN (ed.gizmo.library_utils): C:\Users\blender\git\blender-v410\blender.git\source\blender\editors\gizmo_library\gizmo_library_utils.cc:187 gizmo_window_project_2d: Gizmo "GIZMO_GT_cage_2d" of group "VIEW3D_GGT_camera_view" has matrix that could not be inverted (projection will fail) WARN (ed.gizmo.library_utils): C:\Users\blender\git\blender-v410\blender.git\source\blender\editors\gizmo_library\gizmo_library_utils.cc:187 gizmo_window_project_2d: Gizmo "GIZMO_GT_cage_2d" of group "VIEW3D_GGT_camera_view" has matrix that could not be inverted (projection will fail) WARN (ed.gizmo.library_utils): C:\Users\blender\git\blender-v410\blender.git\source\blender\editors\gizmo_library\gizmo_library_utils.cc:187 gizmo_window_project_2d: Gizmo "GIZMO_GT_cage_2d" of group "VIEW3D_GGT_camera_view" has matrix that could not be inverted (projection will fail) WARN (ed.gizmo.library_utils): C:\Users\blender\git\blender-v410\blender.git\source\blender\editors\gizmo_library\gizmo_library_utils.cc:187 gizmo_window_project_2d: Gizmo "GIZMO_GT_cage_2d" of group "VIEW3D_GGT_camera_view" has matrix that could not be inverted (projection will fail) WARN (ed.gizmo.library_utils): C:\Users\blender\git\blender-v410\blender.git\source\blender\editors\gizmo_library\gizmo_library_utils.cc:187 gizmo_window_project_2d: Gizmo "GIZMO_GT_cage_2d" of group "VIEW3D_GGT_camera_view" has matrix that could not be inverted (projection will fail) WARN (ed.gizmo.library_utils): C:\Users\blender\git\blender-v410\blender.git\source\blender\editors\gizmo_library\ ``` **Exact steps for others to reproduce the error** 01 open attached blend file 02 Go into camera mode 03 Open the console and see error message

error goinginto camera.md

9.0 KiB

camera view error.blend

1.2 MiB

Rombout Versluijs added the

labels 2024-03-28 22:45:02 +01:00

Rombout Versluijs commented

2024-03-28 22:48:34 +01:00

There is workflow to get about the same issue, but not error.
Start a blank new scene add a camera
Set it to ORTO
Set distance to 0.0
Center view using Home

Now when scrolling not shows. When you set it back to 6.0 still nothing shows. Eventually i got this Gizmo error showing above. I cant seem to reproduce the same report on a new file. But resetting the settings back doesnt return a normal camera view

The issue seems to happen when your in ORTHO view and zoom in a lot. Like so far you see the dark gray when using its. Seems like 3dview is than lost its position. Only way i could back to normal, was by adding a cube and then center view. Adding a cemera and then center view did not help

There is workflow to get about the same issue, but not error. Start a blank new scene add a camera Set it to ORTO Set distance to 0.0 Center view using Home Now when scrolling not shows. When you set it back to 6.0 still nothing shows. Eventually i got this Gizmo error showing above. I cant seem to reproduce the same report on a new file. But resetting the settings back doesnt return a normal camera view The issue seems to happen when your in ORTHO view and zoom in a lot. Like so far you see the dark gray when using its. Seems like 3dview is than lost its position. Only way i could back to normal, was by adding a cube and then center view. Adding a cemera and then center view did not help

Germano Cavalcante commented

2024-03-29 00:17:16 +01:00

It seems that the issue you are experiencing is not related directly to the gizmo, but rather the camera being left in a zoomed state that cannot be reversed.
If we check the value of rv3d.view_camera_zoom, we will see that it is nan, which stands for "Not a Number".

This appears to be a case of a corrupted .blend file. In order to further investigate and address this issue, it would be helpful if you could provide the steps to replicate the issue from scratch. (As seem in Bug Reporting - Complete Report (Corrupted Mesh))

But I'm confirming the report as this appears to be a case that can be avoided in code.

It seems that the issue you are experiencing is not related directly to the gizmo, but rather the camera being left in a zoomed state that cannot be reversed. If we check the value of `rv3d.view_camera_zoom`, we will see that it is `nan`, which stands for "Not a Number". This appears to be a case of a corrupted .blend file. In order to further investigate and address this issue, it would be helpful if you could provide the steps to replicate the issue from scratch. (As seem in [Bug Reporting - Complete Report (Corrupted Mesh)](https://developer.blender.org/docs/handbook/bug_reports/triaging_playbook/#complete-report-but-corrupted-mesh)) But I'm confirming the report as this appears to be a case that can be avoided in code.

Germano Cavalcante added

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Camera left with zoom value 'nan' cannot have zoom state reverted #120041