I think I’ve found something strange. I have a pair of intersecting surfaces and I copied them to create two identical pairs of surfaces, differing only by their X and Y coordinates.
When I perform an Intersect call on each pair, the resulting curve is different (the right one appears to be incomplete in that it doesn’t extend far enough to the lower-left):
Am I going crazy? Does anyone know why this happens and/or how I can spot when this will occur so I can work around it?
On a related note, something else that’s confusing: when I use the left-pair’s intersection curve to split the swept surface, it results in 3 surfaces, not 2.
Any help or insight on these observations would be much appreciated.
Hi Nic - in V6, the curves are the same, and incomplete. You can get more of a curve if you insert a bunch of knots in the U direction using the Automatic option a few times but the curve always stops at the lowermost - nearest the singularity - knot. A bug, I’ll add it to the pile, thanks for the example.
Hi Nic - I understand that it is weird… my guess is that there is just a very slight difference way out at the end of some calculated number that is the difference between a full intersection and a partial one. I mean, this is a bug, really… it just needs to get fixed, though I am fairly certain the developer will say it is one of the harder cases, there being a singularity and tangency, or durn near it, at the same location.
