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<TITLE>mqc_askNormalsOfFacet</TITLE>
<H1>mqc_askNormalsOfFacet</H1><H4>Synopsis</H4><PRE><FONT COLOR = blue>Defun: mqc_askNormalsOfFacet(
       Integer, $topology,
       Integer, $facet_id )
@{...} List;

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<B>Description:</B>
Get all the normals of the given facet.

<B>Input Arguments:</B>
topology - The Topology which the facet belongs to
facet_id - The index of the facet

<B>Returns:</B>
A list of the normals of the facet
Example, one entity has a facet model whose tag is 17206,
 which has 10 facets. Use this fuction to ask normals of each facet.
 call mqc_askNormalsOfFacet( 17206, 8 ) to ask Normals of the ninth
 facet of this facet model. The return list may be following:
 {
   v(-0.416974813, -0.180413216, 0.890832782),  ->one vector of facet
   v(-0.416148305, -0.179068372, 0.8914904),
   v(-0.377729475, -0.192826748, 0.905614853)
 }
Note:
    Make sure the input tag is a valid facet tag.

<B>See Also:</B>
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