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<TITLE>mqc_pdqcad_faceSelfIntersect</TITLE>
<H1>mqc_pdqcad_faceSelfIntersect</H1><H4>Synopsis</H4><PRE><FONT COLOR = blue>Defun: mqc_pdqcad_faceSelfIntersect(
       List, $geometry_set,
       List, $topo_tolerances,
       List, $checking_criteria,
       Number, $Tolerance,
       Boolean, $spike_cut,
       Name, $log_option,
       String, $message,
       Number ( $angle_tol, 0.5 ) )
@{...} Integer;

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<B>Description:</B>
Check that the face geometry is valid geometry and is not self-intersecting.
It also checks that the edges of the face intersect only at vertices.

<B>Input:</B>
       (List)    geometry_set      - List of geometry set
                                     {all in part option, {geometry entities}}
       (List)    topo_tolerances   - List of topological tolerances
                                     {distance topological tolerance,
                                      tangent angle topological tolerance,
                                      curvature topological tolerance}
       (List)    checking_criteria - List of checking criteria
       (Number)  tolerance         - Distance tolerance
       (Boolean) spike_cut         - Check spike and cut
       (Name)    log_option        - LOG_ERROR, LOG_WARNING, LOG_INFO, LOG_NONE.
       (String)  message           - Character string of error, warning, or info.
       (Number)  angle_tol         - This is an optional parameter for angular tolerance
                                     which is required by the new VDA checker that uses
                                     the core VDA function to validate parts.

<B>Input Arguments:</B>
geometry_set - List of geometry set
topo_tolerances - List of topological tolerances
checking_criteria - List of checking criteria.
Tolerance - Distance tolerance
spike_cut - Check spike and cut
log_option - LOG_ERROR, LOG_WARNING, LOG_INFO, LOG_NONE.
message - Character string of error, warning, or info
angle_tol - angular tolerance

<B>Returns:</B>
0     - Passed: No error.
    non 0 - Error: Self intersecting face detected.

<B>See Also:</B>
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