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The SEDRIS Data Representation Model
APPENDIX B - Constraints Face Ring Edge Consistency |
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The following constraints apply:
For each consecutive <Feature Edge> instance within a <Feature Face Ring> instance, and for each consecutive <Geometry Edge> instance within a <Geometry Face> instance, the <Edge Direction> link object shall be consistent with the starting and ending nodes of the edge.
A <Feature Edge> instance shall appear no more than twice in a <Feature Face Ring> instance, once with each orientation.
A <Geometry Edge> instance shall appear no more than twice in a <Geometry Face> instance, once with each orientation.
Replicated information shall be consistent.
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