topic Re: Calculating distances in 3-dimensions in Geoprocessing Questions https://community.esri.com/t5/geoprocessing-questions/calculating-distances-in-3-dimensions/m-p/292508#M10158 <HTML><HEAD></HEAD><BODY><SPAN>Use the numpy module , already included in ArcGIS 10</SPAN><BR /><BR /><PRE class="lia-code-sample line-numbers language-none">import numpy a = numpy.array((xa,ya,za)) b = numpy.array((xb,yb,zb)) diagDist = numpy.linalg.norm(a-b)</PRE></BODY></HTML> Sat, 11 Dec 2021 14:04:25 GMT KimOllivier 2021-12-11T14:04:25Z Calculating distances in 3-dimensions https://community.esri.com/t5/geoprocessing-questions/calculating-distances-in-3-dimensions/m-p/292507#M10157 <HTML><HEAD></HEAD><BODY><SPAN>Does anyone know the python function to calculate distances between points using the Euclidean calculation in 3-dimensional space?&nbsp; Is there a wrapper or module with this function out there?</SPAN><BR /><BR /><SPAN>Thanks,</SPAN><BR /><BR /><SPAN>Winn</SPAN></BODY></HTML> Sat, 02 Oct 2010 22:54:14 GMT https://community.esri.com/t5/geoprocessing-questions/calculating-distances-in-3-dimensions/m-p/292507#M10157 WinnKetchum 2010-10-02T22:54:14Z Re: Calculating distances in 3-dimensions https://community.esri.com/t5/geoprocessing-questions/calculating-distances-in-3-dimensions/m-p/292508#M10158 <HTML><HEAD></HEAD><BODY><SPAN>Use the numpy module , already included in ArcGIS 10</SPAN><BR /><BR /><PRE class="lia-code-sample line-numbers language-none">import numpy a = numpy.array((xa,ya,za)) b = numpy.array((xb,yb,zb)) diagDist = numpy.linalg.norm(a-b)</PRE></BODY></HTML> Sat, 11 Dec 2021 14:04:25 GMT https://community.esri.com/t5/geoprocessing-questions/calculating-distances-in-3-dimensions/m-p/292508#M10158 KimOllivier 2021-12-11T14:04:25Z