Polygons > Rewrap re-creates the polygon mesh on a selected portion of a polygon object. Use standard selection tools to select part(s) of an existing polygon mesh, then activate this function.
Use this function when the mesh is damaged in an area but you don't want to lose other improvements by starting with a complete new mesh. Examples:
You have used Polygons > Noise Reduction on a limited area, but the triangulation is now distorted. Use ReWrap on that area to correct the distortion.
After using Polygons > Merge Polygon Objects to join two polygon objects, the seam is not smooth. Use ReWrap to apply a new polygon mesh to the seam area.
The controls on the dialog are:
Options radio buttons - control the behavior of the re-wrapping process. Pick one:
Keep Vertices radio button - underlying points are maintained and a new polygon mesh is created on those points.
Sample Vertices radio button and Spacing decimal field - existing underlying points are thinned to the average distance given by Spacing, and a new polygon mesh is created on those thinned points.
Create New Vertices radio button - The existing mesh is removed, underlying points are created so that the result will have triangles whose sizes are similar to surrounding triangles, and a new polygon mesh is created on those new points.
Execute button - re-wraps the selected area as configured by the Options radio buttons.
OK button - saves the re-wrapped object to the Model Manager and closes the dialog.
Cancel button - terminates the dialog without saving changes to the object in the Model Manager.