ID 581457 - Create Polygons MeshOp does not function correctly when the 'Positions' channel is driven by an Array Operator using an Array Blend modifier.

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Problem summary
Create Polygons MeshOp does not function correctly when the 'Positions' channel is driven by an Array Operator using an Array Blend modifier, where the 'count' channel of the Array Blend modifier is modulated by the same Array operator.
 
The polygons created by the Create Polygons MeshOp only extend part of the way to the Locator item.
 
Customer reported version
Modo 16.0v3
 
Customer reported platform
Windows 10
 
Steps to reproduce
 
1) Open the provided scene file, or create the same schematic node flow as in the image below.


 
2) The Mesh in the 3D viewport should look like this at this stage:
 


3) Connect the result of the Basic Math node to the 'Count' of the Array Blend node. 
 
Expected behaviour
The polygon lines should reach from the Circle mesh item to the Locator item.
 
Actual behaviour
The polygon lines do not extend between the Circle mesh item and the Locator item: 
 
 
Workaround
Unknown. 
 
Reproduced by support
This bug has been reproduced in:
Modo 17.0v6 - Windows 11 - macOS 12 Monterey
Modo 15.0v1 - Windows 11 - macOS 12 Monterey
 
Earliest version tested
Modo 15.0v1

- This issue appears to be in all tested versions of the product
 
 

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