Edit Selected Workflow
Using Paint Selection along with the Edit Selected workflow allows you to extract a small subset of the often very large reference mesh and edit it using the SubD modeling editing tools.  We have found this to be a huge advantage both in terms of performance and functionality over previous workflows possible in earlier versions of Power Surfacing RE.  The basic procedure is as follows:
1) Use Paint Selection to select a subset of the reference mesh to work on.
2) Use the right click menu to invoke Edit Selected, which will put you into standard SubD editing mode with the selected subset where all of the SubD editing tools are available.  Typically you will want to turn the visibility of the edges to on.  
3) Use the SubD tools to fill the holes, smooth an area of the mesh, patch an area of the mesh, fill in missing geometry, etc.  Note that you should be somewhat careful not to modify the outer boundary where the edited part of the mesh shares edges with the original reference mesh.  Otherwise you might create an unexpected tear in the mesh.
4) Finish editing using the Green Check to push the edited subset back into the reference mesh.
5) Repeat this process for different parts of the mesh that need to be cleaned up.
Lets start with a simple example of filling a small hole in the mesh.
The upper left image below shows the small hole in the original mesh.  The upper left image below shows the result after paint selection.  The lower image below shows Edit Selected being picked in the right click menu.
Edit Selected

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Edit Selected Workflow (continued)
The upper left hand image shows the subset of the mesh we are editing after we have turned on edge display in the SubD editing mode.  The upper right hand image shows selection of an edge on the hole and right click to select Quad Fill.  
The lower left image shows the result of the Quad Fill operation.  Note that Quad Fill will internally use the Smooth command with one ring of faces to match the curvature of the surrounding mesh.  In cases with larger holes you may want to invoke a separate Smooth with a higher number of face rings.  The lower right image is what is shown after we use the Green Check to save the result of our edit.


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