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Create Polygon Model does smooth
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Create a segmentation and a corresponding polygon model (right click "create polygon model"). The polygon model is slightly different compared to the segmentation image. As a consequence, information is lost when you convert this surface back to a binary image via "Surface Masking" of the segmentation utilities view.

This could be a 0.5 offset.

Event Timeline

A screenshot showing the issue at the border of a segmentation

BorderArea.png (1×679 px, 29 KB)

A screenshot showing the issue at a 1 pixel wide area

1pxArea.png (1×1 px, 37 KB)

Segmenation example

This bug will cause a loss of detail if you create a polygon model of the attached segmentation and convert this model back to a segmentation with the utilities.

User brehler has pushed new remote branch:


User brehler has pushed new remote branch:


[120bc8]: Merge branch 'bug-16613-PolygonModelDoesSmooth'

Merged commits:

2014-08-13 15:30:24 Michael Brehler [653dc7]
marching cube filter threshold changed

The marching cube filter threshold was incorrect. We changed the value to 0.5 instead of 1.