Array Modifier: Merge distance does not affect first and last copy #108912

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opened 2023-06-12 23:09:06 +02:00 by Maksym-Kozachuk · 3 comments

Maksym-Kozachuk commented

2023-06-12 23:09:06 +02:00

System Information
Operating system: Windows 10 PRO
Graphics card: RTX 3060 TI

Blender Version
Broken: 3.5.0
Worked: never?

Short description of error
Adjusting merge distance does not clear/merge seam between first and last copy

Exact steps for others to reproduce the error

Create a simple window
Add the Array modifier, set the fixed count to 14, and turn on the checkbox Merged: First and Last copies
Add the Simple Deform Modifier, choose Bend, Z axis, Angle 360 degrees
You will see the seam between the first and last part of the window
(make sure smooth shading is enabled)

Blend file: https://drive.google.com/file/d/1YW0KvYYWw_DhwIAcW_HHi-CvanM2iv-t/view?usp=sharing

**System Information** Operating system: Windows 10 PRO Graphics card: RTX 3060 TI **Blender Version** Broken: 3.5.0 Worked: never? **Short description of error** Adjusting merge distance does not clear/merge seam between first and last copy **Exact steps for others to reproduce the error** 1. Create a simple window 2. Add the Array modifier, set the fixed count to 14, and turn on the checkbox Merged: First and Last copies 3. Add the Simple Deform Modifier, choose Bend, Z axis, Angle 360 degrees 4. You will see the seam between the first and last part of the window (make sure smooth shading is enabled) **Blend file:** https://drive.google.com/file/d/1YW0KvYYWw_DhwIAcW_HHi-CvanM2iv-t/view?usp=sharing ![image](/attachments/eaaaf877-f52b-4705-a611-6291f072a04f)

512 KiB

Maksym-Kozachuk added the

labels 2023-06-12 23:09:06 +02:00

Iliya Katushenock added the

labels 2023-06-12 23:10:02 +02:00

Pratik Borhade commented

2023-06-13 06:08:02 +02:00

Member

Hi, thanks for the report. Can redo this from scratch.
All edges are visible when merge distance is 0 and flat shading.
But applying smooth shading and adjusting merge distance clear all seams except the seam between first and last copy copy.

(Edited the report description to match with the issue)

Hi, thanks for the report. Can redo this from scratch. All edges are visible when merge distance is 0 and flat shading. But applying smooth shading and adjusting merge distance clear all seams except the seam between first and last copy copy. - - - (Edited the report description to match with the issue)

Pratik Borhade added

and removed

labels 2023-06-13 06:08:15 +02:00

Pratik Borhade changed title from ~~Array Modifier - Merge Checkbox doesn't work correctly~~ to Array Modifier: Merge distance does not affect first and last copy

2023-06-13 06:08:43 +02:00

Philipp Oeser commented

2023-06-14 10:24:07 +02:00

Member

Dont think this is a bug.

The merging is tried before the Simple Deform even takes place, so under the hood it tries to merge these:

The First and Last option is meant for a situation where your array is already set up to be circular.

As a workaround, you can just add a Weld modifier to your setup with the same effect:

Does this work for you?

Dont think this is a bug. The merging is tried **before** the Simple Deform even takes place, so under the hood it tries to merge these: ![image](/attachments/88484cf3-6547-4534-bf3b-8e6c0715a825) The `First and Last` option is meant for a situation where your array is already set up to be circular. As a workaround, you can just add a `Weld` modifier to your setup with the same effect: ![image](/attachments/08eb29bc-df5b-47cc-9b98-38f3ec112709) Does this work for you?

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labels 2023-06-14 10:24:18 +02:00

Maksym-Kozachuk commented

2023-06-14 10:37:56 +02:00

Author

perfect, thanks!

perfect, thanks!

Maksym-Kozachuk closed this issue

2023-06-14 10:37:58 +02:00

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labels 2023-06-14 10:38:01 +02:00

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Reference: blender/blender#108912

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