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Action:
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Tests face quality by comparing the procedural derivatives with finite difference derivatives up to the 4th derivatives.
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Filename:
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kern/kern_scm/surf_scm.cxx
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Syntax:
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(face:derivtest face [num-u] [num-v] [start-u]
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[end-u] [start-u] [start-v] [end-v] [file])
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Arg Types:
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face
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entity
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num-u
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integer
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num-v
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integer
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start-u
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real
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end-u
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real
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start-v
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real
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end-v
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real
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file
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string
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Returns:
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string
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Description:
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This Scheme extension tests the face quality by comparing the procedural derivatives with finite difference derivatives up to the 4th derivatives. Output message can be sent to a optional data file.
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face defines the face entity to test derivatives.
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num-u defines the position number to test in the surface
u direction. The default is 10.
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num-v defines the position number to test in the surface
v direction. The default is 10.
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start-u defines the start surface u parameter. The default is the surface
u parameter range.
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end-u defines the end surface
u parameter.
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start-v defines the start surface
v parameter. The default is the surface
v parameter range.
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end-v defines the end surface
v parameter.
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file defines the output file name. The default is
debug_file_ptr.
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Example:
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; face:derivtest
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; Example not available at this time.
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