Ask A Cartographer

Calculate chainage or distance of points along a polyline

May 26 2011 | 2 comments
Categories: ArcGIS Methods, Map Data

I have a series of polylines with nodes at random points along the line. Is there a way to calculate the chainage distance at each node from the start of the line? Even if a chainage can't be calculated, is it possible to calculate the distance of each point from the start of the line?


Mapping Center Answer:

For this you can use linear referencing. First convert the polylines to routes using the Create Routes tool, and then use the Locate Features Along Routes tool to write the route and measure information to a new event table.

Thanks posted by Brian Quinn on Jul 6 2014 1:55PM
Thanks! You've just saved me using the ET GeoWizards "Polyline to Point" tool, which almost magically included this function. Perhaps now I'm able to do it with a couple of extra steps, but using only the stock set of Arc Toolbox tools.
Great! posted by Aileen Buckley on Jul 7 2014 7:15AM
Nice to be able to stick with one solution set!

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