Intersection testing on layers

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Steve Elkins (spelk++at++bert.arc.nasa.gov)
Tue, 19 Dec 1995 15:20:21 -0800

Greetings Performer Folks,

We have an airport database in created using ModelGen (.flt format).
The grass islands are subfaces on the taxiways. We need to tell
if any of the landing gear goes over the grass. We have been trying
to use pfSegsIsectNode to get this information. We can get the GeoSet
for the base face (taxiway) but not the subfaces (grass). We were going
to use the face color to determine if we are over a subface.

Does anyone know of a way to determine if the intersection is on a
base face or a subface (layer)?

Thanks

Steve
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Steve Elkins
Sterling Software
NASA Ames Research Center
spelk++at++bert.arc.nasa.gov
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