Ruler/Protractor: strange behavior in Snap function. #46816

New Issue

Germano Cavalcante · 2015-11-18T22:43:12+01:00

2015-11-18 22:43:12 +01:00

System Information
Windows 64 bits

Blender Version
Broken: 2.76

Short description of error
Both the edge as the vertex can only be snapped if the same are in front of the nearest face to the viewer.

Exact steps for others to reproduce the error
In the default cube, go to Grease Pencil tab, use the Ruler/Protractor operator, hold the Shift and try to snap to any vertex or edge in the cube outline.
It is impossible because the face comes first.

**System Information** Windows 64 bits **Blender Version** Broken: 2.76 **Short description of error** Both the edge as the vertex can only be snapped if the same are in front of the nearest face to the viewer. **Exact steps for others to reproduce the error** In the default cube, go to Grease Pencil tab, use the Ruler/Protractor operator, hold the Shift and try to snap to any vertex or edge in the cube outline. It is impossible because the face comes first.

Germano Cavalcante commented

2015-11-18 22:43:12 +01:00

Changed status to: 'Open'

Germano Cavalcante commented

2015-11-18 22:43:12 +01:00

Added subscriber: @mano-wii

Germano Cavalcante commented

2015-11-22 19:42:07 +01:00

A quick fix would be this:
https://developer.blender.org/P291
But it would be possible first seek the face and from it, check the edge and then the vertex?
It would be more efficient.

A quick fix would be this: https://developer.blender.org/P291 But it would be possible first seek the face and from it, check the edge and then the vertex? It would be more efficient.

Sergey Sharybin commented

2015-11-23 14:24:23 +01:00

Added subscriber: @Sergey

Campbell Barton was assigned by Sergey Sharybin

2015-11-23 14:24:23 +01:00

Sergey Sharybin commented

2015-11-23 14:24:23 +01:00

Campbell, afair ruller is your area, mind having a look? :)

Campbell Barton commented

2015-11-23 22:00:25 +01:00

Changed status from 'Open' to: 'Archived'

Campbell Barton closed this issue

2015-11-23 22:00:25 +01:00

Campbell Barton commented

2015-11-23 22:00:25 +01:00

This is more of a feature request,
Current behavior is working as intended, measuring surface depth (by holding Shift) makes most sense between faces.
Holding shift currently disables snap.

I tested the patch but didn't notice any difference, (needed minor edit to build, missing if statement).

Closing.

If you're interested to work on this.
Suggest allowing snap with surface thickness measurement, then ray-cast along the vertex normals (2 normals combined in the case of edges).

Edit: looked into this and it could be supported: See: P290

This is more of a feature request, Current behavior is working as intended, measuring surface depth (by holding Shift) makes most sense between faces. Holding shift currently disables snap. I tested the patch but didn't notice any difference, (needed minor edit to build, missing `if` statement). Closing. ---- If you're interested to work on this. Suggest allowing snap with surface thickness measurement, then ray-cast along the vertex normals (2 normals combined in the case of edges). *Edit: looked into this and it could be supported:* See: [P290](https://archive.blender.org/developer/P290.txt)

Germano Cavalcante commented

2015-11-23 23:55:45 +01:00

I confuse myself in the description, actually is to hold Ctrl, and not Shift.
To better understand what I refer to, here's a gif showing with colors, how the Ruler snap works. (Red = Vertex; Green = Edge, Blue = Face)
Ruler Snap

Campbell, I tested the patch you posted, Snap whith thickness measurement is really helpful. :)

I confuse myself in the description, actually is to hold Ctrl, and not Shift. To better understand what I refer to, here's a gif showing with colors, how the Ruler snap works. (Red = Vertex; Green = Edge, Blue = Face) [Ruler Snap ](https://lh4.googleusercontent.com/-aX9zrdizVDI/VlOVtdIYtiI/AAAAAAAABjA/YDDoV3N01kA/w408-h303-no/snap%2Bruler.gif) Campbell, I tested the patch you posted, Snap whith thickness measurement is really helpful. :)

blender-admin commented

2015-11-24 02:16:14 +01:00

This issue was referenced by c3e7dfa82d

This issue was referenced by c3e7dfa82d1734505dfb82d68690bab9544795ee

Campbell Barton commented

2015-11-24 02:23:10 +01:00

Changed status from 'Archived' to: 'Resolved'

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Ruler/Protractor: strange behavior in Snap function. #46816