ID 414022 - Preserve Volume causes vertices to move to the middle of a Catmull Clark sphere

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Problem summary
Preserve Volume causing vertices to move to the middle of the sphere

Customer reported version
modo.13.1v1

Customer reported platform
10.15

Steps to reproduce

1) Open Modo

2) Open Mesh Operations

3) Create a Sphere

4) In sphere properties, change Polygon Type to Catmull Clark

5) Create a Smooth operation

6) Click the Preserve Volume option in the Smooth operations properties

Expected behaviour
For the volume to be preserved

Actual behaviour
Vertices are moved to the middle of the sphere

Workaround
None

Reproduced by support
This bug has been reproduced in:
13.2v1 - Windows - CentOS7 - macOS 10.14
13.1v1 - Windows
13.0v1 - Windows - CentOS7 - macOS 10.14 - Regression

Unable to reproduce bug in:
12.2v2

Earliest version tested
12.2v2 - This feature did not exist before this version


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