How do I add nodes to connecting line features and the ends of line features. i will eventually need to calculate the elevation of these nodes.
Mapping Center Answer:
The easiest way is to create a geometric network which will create point features at every intersection (but will not intersect overpassing lines). That requires an ArcEditor license. All other ways to do this involve more steps and require, at a minimum, an ArcInfo license.
Then you can either copy those points to a new point feature class with point-Zs defined or create an attribute for elevation.
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