I import XY points quite often to create camshaft profiles, but recently had an issue that I can't explain. The files are typically 360 sets of points, this time I received the error indicated in the subject line above. I am stumped as to why this should be an issue.
I have reduced the file down to 4 sets of points in which I can turn the problem off and on. I can speculate as to why the import does not work properly, but I would like to know for certain or better yet have a way of mathematically identifying where a dataset would would be problematic so that I could identify / fix it before I spend an entire afternoon finding the problem by empirically deleting half the dataset at a time.
Thanks in advance...
The reason for the error is pretty obvious if you look at those points in SW and follow the order.
So it is trying to make a curve like this...
...which is not allowed. I suppose the root of the problem is that the order of those two points might be reversed in your list of coordinates.
As for a way to easily analyze a data set and identify such a problem, I can't really help you there. Actually maybe you could throw the coordinates into excel, and then add conditional formatting that for instance turns a cell red if it is greater than the previous cell or green if it is less than the previous cell. Then you would be able to at a glance identify any instantaneous changes in direction of the path.