by alexander » Tue Jan 12, 2016 4:13 am
There is a software program that I think will do what you want to do. It is called Transform for Windows and is available from Primacode. It uses least squares to make the comparison. It'll cost you around $500, last I checked, but if you're in the habit of comparing one set of points to another, I know of no other program that does it as well as Transform.
For example, you could take a plan on record, and "mathematize" the plan, and create calculated points at each of the corners (one set of points) and then you could run a field survey of the property, which will generate the other set of points that you want to compare to the record. Or, you could compare two field survey data sets, etc.
Sounds like you got it sorted out in any case.
Best,
Al
Carlson Survey, Carlson SurvCE, Topcon Hiper Pro, Topcon PS-101A robot