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I have never used the tool you downlaoded, but you can use the following calculation to calculate sinuosity. Open the Attribute Table of the Road feature class, right click the column heading of the Double field you want to hold the Sinuosity value and choose Field Calculator... from the context menu: Select the Python option at the top of the Field ...


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The warning message is quite clear here: 1: In RGEOSDistanceFunc(spgeom1, spgeom2, byid, "rgeos_distance") : Spatial object 1 is not projected; GEOS expects planar coordinates It requires planar (Cartesian) coordinates, i.e. in meters, miles, etc. You however use polar reference system (WGS-1984). You should re-project your SpatialPointDataFrame to a ...



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