Does anyone know about this exception:
java.lang.RuntimeException: Interp point outside quad
at
com.sun.j3d.utils.picking.PickIntersection.getInterpWeights(PickIntersec
tion.java:1429)
at
com.sun.j3d.utils.picking.PickIntersection.getPointCoordinates(PickInter
section.java:1071)
It is occurring when I pick inside an IndexedQuadArray, and I can't seem
to see any consistency to when it occurs. (ie sometimes it happens and
then I can repeat what I think is the same procedure, and it doesn't
happen). I can't find any documentation about it in the API.
Here is the offending section of code:
Point3d eyePos = pickCanvas.getStartPosition();
pickResult = pickCanvas.pickAllSorted();
if ((pickResult != null) && (vertexCount < 4)) {
for (int i = 0; i < pickResult.length; i++) {
// Get closest intersection results to mouse click, ignoring
depth
PickIntersection pi =
pickResult[i].getClosestIntersection(eyePos);
clickVertex = pi.getClosestVertexCoordinates();
intersectPoint = pi.getPointCoordinates(); // !! LINE
CAUSING ERROR
[... more processing with clickVertex and
intersectPoint]
Thanks for any information you can provide,
Chris
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