Knife Tool fail if camera is too close to the object and mouse away from object #65585

New Issue

Massimiliano Puliero · 2019-06-07T03:59:49+02:00

2019-06-07 03:59:49 +02:00

System Information
Operating system: Windows-7-6.1.7601-SP1 64 Bits
Graphics card: GeForce GTX 1070/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 425.31

Blender Version
Broken: version: 2.80 (sub 74), branch: blender2.7, commit date: 2019-06-04 22:32, hash: e80cbdac33
Worked: 2.79

Short description of error
If the camera is too close to the object the knife tool fail to follow the direction of the pointer. (in both ortho and perspective)

Exact steps for others to reproduce the error
Please open the attached file and try to cut some edges as I do in the video.

Thank you

knf.avi
knife.blend

**System Information** Operating system: Windows-7-6.1.7601-SP1 64 Bits Graphics card: GeForce GTX 1070/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 425.31 **Blender Version** Broken: version: 2.80 (sub 74), branch: blender2.7, commit date: 2019-06-04 22:32, hash: `e80cbdac33` Worked: 2.79 **Short description of error** If the camera is too close to the object the knife tool fail to follow the direction of the pointer. (in both ortho and perspective) **Exact steps for others to reproduce the error** Please open the attached file and try to cut some edges as I do in the video. Thank you [knf.avi](https://archive.blender.org/developer/F7091061/knf.avi) [knife.blend](https://archive.blender.org/developer/F7091062/knife.blend)

Massimiliano Puliero commented

2019-06-07 03:59:49 +02:00

Added subscriber: @MassimilianoPuliero

blender-admin commented

2019-06-07 03:59:49 +02:00

#82395 was marked as duplicate of this issue

blender-admin commented

2019-06-07 03:59:49 +02:00

#76639 was marked as duplicate of this issue

blender-admin commented

2019-06-07 03:59:49 +02:00

#76239 was marked as duplicate of this issue

blender-admin commented

2019-06-07 03:59:49 +02:00

#70384 was marked as duplicate of this issue

blender-admin commented

2019-06-07 03:59:49 +02:00

#69412 was marked as duplicate of this issue

William Reynish commented

2019-06-07 15:44:20 +02:00

Added subscriber: @WilliamReynish

William Reynish commented

2019-06-07 15:44:20 +02:00

Wasn't able to play your video, but the knife tool seems to work correctly here.

Massimiliano Puliero commented

2019-06-08 11:44:53 +02:00

Hi, I can play the video using vlc.
anyway I put it on dropbox that eventually encoded it better:

https://www.dropbox.com/s/0lz62d2gg7p7i1m/knf.avi?dl=0

thankyou

Hi, I can play the video using vlc. anyway I put it on dropbox that eventually encoded it better: https://www.dropbox.com/s/0lz62d2gg7p7i1m/knf.avi?dl=0 thankyou

Massimiliano Puliero commented

2019-06-19 05:38:31 +02:00

I bump this since I didn't get any response.

Thank you

I bump this since I didn't get any response. Thank you

Bastien Montagne commented

2019-07-23 11:06:51 +02:00

Added subscriber: @mont29

Bastien Montagne commented

2019-07-23 11:06:51 +02:00

I can confirm that behavior here using given .blend file and also from default startup cube. Just close zoom-in, and as soon as the cursor goes outside of the edited mesh while drawing a cut stroke, things go wrong…

Philipp Oeser commented

2019-09-03 10:58:45 +02:00

Added subscribers: @Pinnhead, @mano-wii, @lichtwerk

Philipp Oeser changed title from ~~knife tool fail if camera is too close to the object~~ to Knife Tool fail if camera is too close to the object and mouse away from object

2019-09-03 11:31:46 +02:00

Adam commented

2019-09-29 14:01:06 +02:00

Added subscriber: @Gunzes

Adam commented

2019-09-29 14:01:06 +02:00

Problem here too, after using knife tool there are 19 vertices instead of 9 :( . Almost everytime Im using this tool I need to manually weld verts, merging by distance isnt helping here (increasing weld range is welding my other parts of the object)

Problem here too, after using knife tool there are 19 vertices instead of 9 :( . Almost everytime Im using this tool I need to manually weld verts, merging by distance isnt helping here (increasing weld range is welding my other parts of the object) ![image.png](https://archive.blender.org/developer/F7779658/image.png)

Philipp Oeser commented

2019-09-30 13:08:29 +02:00

@Gunzes : your issue seems to be the same as #62285 (Knife Tool produces bad geometry in certain cases (disconnected edges/vertices, overlapping faces)) -- not sure if this is realted to this one though...