[GIS] Splitting lines automatically at specific distances using ArcGIS Desktop

algorithmarcgis-9.3arcgis-desktopdistance

I have a set of polylines which I need to split at varying distances from their starting points.

In general, I'm looking for a something similar to the SPLIT function within the editor tool. There it is possible to specify a certain line length where the split should be applied.

For instance: I have a line A of 3200m length, that I need to split into two separate geometries, one from 0 til 1700m, and one from 1700m til 3200m.

Can this be done in ArcGIS Desktop?

I'm using ArcGIS Desktop 9.3.1. on WinXP with Python 2.7.2.

Best Answer

You can use ETGeowizards (Polyline->Split Polyline). If you need to include this in a script or geoprocessing model, ETGeowizards can be pulled into ModelBuilder.

In PostGis you can use ST_Line_Substring

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