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This is Linear Referencing task, however Python makes it much easier. Solution below assumes your points and line are in projected coordinate system. Add your line to mxd, call layer "line". Add numeric field to your points table, use advanced mode in field calculator, python and this expression to polulate it: def Chainage(shp): mxd = ...


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Lines and polygon dimensions are never exact and subject to the limitations of the feature class resolution and tolerance. Infinite precision is not possible and as a result these settings tell GIS to consider measures below those levels as "close enough" to exact measurements. There is no setting for absolutely no tolerance and infinite resolution for ...



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