I know that copy a question is not exactly great way to ask on this forum, but my situation is exactly the same as this unresolved issue on the (closed) ESRI forum:
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I have a stream centreline (fairly curvy) which can be converted to a route. I have a few points on that line which have stream bed elevation. The bed elevation varies along the stream, and does not necessarily increase as you go up the stream (e.g., goes up and down a little bit).
I want to calibrate the route using the bed elevations, so that I can interpolate an elevation value between the known points.
When I attempt to calibrate the stream route with the known points, it appears to work. But if I examine the measure values of individual vertices along the route, they are incorrect. Vertices that fall exactly where there is a known value (a calibration point) have the correct elevation, but vertices between the known points have incorrect values. The incorrect values are not 0, which makes me think it is calculating a value somehow. But it is not doing as I expect.
For example, between known points of 3.11 and 3.56, you'd expect values between 3.11 and 3.56. Instead, I might get values of 3.78, 3.78, 3.78, 3.79, etc.
I want to calibrate the route using the bed elevations, so that I can interpolate an elevation value between the known points.
When I attempt to calibrate the stream route with the known points, it appears to work. But if I examine the measure values of individual vertices along the route, they are incorrect. Vertices that fall exactly where there is a known value (a calibration point) have the correct elevation, but vertices between the known points have incorrect values. The incorrect values are not 0, which makes me think it is calculating a value somehow. But it is not doing as I expect.
For example, between known points of 3.11 and 3.56, you'd expect values between 3.11 and 3.56. Instead, I might get values of 3.78, 3.78, 3.78, 3.79, etc.
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