pointpattern expression function
Returns a list of points that match a specified pattern.
See also: pointlist
Usage
pointpattern(surface_node, pattern)
The pattern is a space separated list of point numbers, point number ranges, or point group names.
The returned string is a space separated list of point numbers.
Examples
pointpattern("/obj/model/sphere1", "2-5 10-12")
Returns “2 3 4 5 10 11 12”, assuming the specified surface node exists and has that many points.
pointpattern("/obj/model/group1", "10 group1 20")
Returns a list of all points in the group named “group”, as well as 10 and 20. The order of the returned points is not guaranteed.