Maniphest T84720

Measurement
Closed, Archived
Actions

Assigned To
None
Authored By
Anthony Desaever (Anthony_Desaever)
Jan 14 2021, 8:05 PM
Tags
  • BF Blender
  • Modeling
Subscribers
Alaska (Alaska)
Anthony Desaever (Anthony_Desaever)
Falk David (filedescriptor)
Jesse Yurkovich (deadpin)
Robert Guetzkow (rjg)

Description

System Information
Operating system: Windows-10-10.0.18362-SP0 64 Bits
Graphics card: Quadro M1200/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 452.25

Blender Version
Broken: version: 2.91.0, branch: master, commit date: 2020-11-25 08:34, hash: rB0f45cab862b8
Worked: (newest version of Blender that worked as expected)

Short description of error
Difference of values with ruler and viewport overlays

Exact steps for others to reproduce the error
When you activate the edge lenght measurement in the overlays viewport you get a wrong measurement value of the edges.
Values are correct with the ruler

Related Objects

Event Timeline

Anthony Desaever (Anthony_Desaever) created this task.Jan 14 2021, 8:05 PM
Falk David (filedescriptor) changed the task status from Needs Triage to Needs Information from User.Jan 14 2021, 10:31 PM
Falk David (filedescriptor) added a project: Modeling.
Falk David (filedescriptor) added a subscriber: Falk David (filedescriptor).

I cannot reproduce the issue here with Blender 2.93.0 Alpha. Could you share the .blend file?

Alaska (Alaska) added a subscriber: Alaska (Alaska).Jan 15 2021, 10:02 AM

I can reproduce. Steps are as follows (Atleast for me):

  1. Start a new scene.
  2. Select the default cube and scale it or down by some amount.
  3. Enter edit mode and enable the Edge Measurement overlay. You should see a measurement on the edge of that cube that reads 2m (if you're using the meter based metric system). This is not correct as we have scaled the cube to some size other than 2mx2mx2m. This can be confirmed with the ruler.

However, I believe this has to do with local space stuff. To get the correct measurement, you have to select the object in object mode and apply its scale using Ctrl + A and selecting Scale. Or by selecting Object -> Apply -> Scale from the top of the 3D viewport.

Falk David (filedescriptor) changed the task status from Needs Information from User to Confirmed.Jan 15 2021, 10:23 AM
Falk David (filedescriptor) added a subscriber: Robert Guetzkow (rjg).

@Alaska (Alaska) Thank you for the input. Indeed it seems like the edge length option in edit mode does not consider the object scale. @Robert Guetzkow (rjg) Is this intended? I don't see a reason why it should be this way?

Jesse Yurkovich (deadpin) added a subscriber: Jesse Yurkovich (deadpin).Jan 15 2021, 10:28 AM

The edit mode measurement seems to follow the Global/Local option selected here:

Local:

Global:

Robert Guetzkow (rjg) added a comment.Jan 15 2021, 11:13 AM

@Falk David (filedescriptor) @Jesse Yurkovich (deadpin) This has been discussed before, see T63275 and similar tickets.

Robert Guetzkow (rjg) closed this task as Archived.Jan 15 2021, 11:13 AM