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Figure 5. By writing a short script, the distribution of points before and after projection can be preserved.
  
From:
Grid Generation: Automating CFD Meshing Via Scripting
Posted Tue February 25, 2014 @12:12PM
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Grid Generation John Rhoads,
Pointwise, Inc.

The holy grail of the preprocessing world is to be able to produce in the blink of an eye a mesh that meets every grid quality criteria imaginable around any arbitrary geometry. In reality, discretizing the volume around an object can present a number of challenges, particularly when you place constraints on the shape and orientation of the elements. These challenges ultimately require users to make a choice between automatic meshing solutions or manual mesh generation.

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