[ET Trac] [Einstein Toolkit] #1311: SetMask_SphericalSurface sets mask incorrectly for multiple spheres

[Einstein Toolkit]

#1311: SetMask_SphericalSurface sets mask incorrectly for multiple spheres
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 Reporter:  reisswig@…                  |       Owner:                     
     Type:  defect                      |      Status:  new                
 Priority:  blocker                     |   Milestone:  ET_2013_05         
Component:  EinsteinToolkit thorn       |     Version:  development version
 Keywords:  SetMask_SphericalSurface    |  
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 SetMask_SphericalSurface loops over all spheres and sets points to
 "excised" within the sphere radius, and to "not excised" outside.
 Unfortunately, it clears the mask for each sphere individually, thus
 overwriting "excised" points from a previous sphere!

 The attached patch fixes this by first clearing the mask everywhere before
 looping over spheres, and then setting points to "excised" if inside a
 given sphere.

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Ticket URL: <https://trac.einsteintoolkit.org/ticket/1311>
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