topic Re: Bearing distance to line with X/Y/Z in Python Questions https://community.esri.com/t5/python-questions/bearing-distance-to-line-with-x-y-z/m-p/63559#M5149 <HTML><HEAD></HEAD><BODY><P>Well to make it hurt more, I don't use geodesic (aka 4326, aka longitude/latitude), only planar coordinates (like utm, etc, aka, projected)</P><P>Since you already have the Long/Lat values, you should look at the</P><P><A class="link-titled" href="https://pro.arcgis.com/en/pro-app/tool-reference/data-management/bearing-distance-to-line.htm" title="https://pro.arcgis.com/en/pro-app/tool-reference/data-management/bearing-distance-to-line.htm">Bearing Distance To Line—Data Management toolbox | ArcGIS Desktop</A>&nbsp; tool</P></BODY></HTML> Wed, 27 Feb 2019 20:35:31 GMT DanPatterson_Retired 2019-02-27T20:35:31Z Bearing distance to line with X/Y/Z https://community.esri.com/t5/python-questions/bearing-distance-to-line-with-x-y-z/m-p/63556#M5146 <HTML><HEAD></HEAD><BODY><P>I have a fc that looks a bit like the following:</P><P></P><PRE class="lia-code-sample line-numbers language-none"><CODE>ID NAME AZIMUTH ELEVATION DIST 01 first 60.5 28.3 100 02 second 125.2 14 100 03 third 90 7.8 100<SPAN class="line-numbers-rows"><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN></SPAN></CODE></PRE><P></P><P>Azimuth and Elevation are expressed in degrees.</P><P></P><P>I would like to create lines between these points (themselves with no Z value) and paired points that must be calculated along a trajectory from the starting point, for n meters (the DIST field).</P><P></P><P>Creating the lines once I have the paired XYZ is easy.&nbsp; Getting to the XYZ is harder.&nbsp; Math is not my strong suit, and I am curious how I would accomplish it in python.</P><P></P><P>Distance unit of measurements are in meters.&nbsp; I want to keep this simple and relative, i.e., no need to account for curvature of the earth or terrain.&nbsp; Just calculating a new point&nbsp;100 meters away from the origin point in xyz space, assuming the trajectory provided by the azimuth and elevation angles and a flat X plane.&nbsp;</P></BODY></HTML> Fri, 10 Dec 2021 22:26:16 GMT https://community.esri.com/t5/python-questions/bearing-distance-to-line-with-x-y-z/m-p/63556#M5146 EricEagle 2021-12-10T22:26:16Z Re: Bearing distance to line with X/Y/Z https://community.esri.com/t5/python-questions/bearing-distance-to-line-with-x-y-z/m-p/63557#M5147 <HTML><HEAD></HEAD><BODY><P>You have ruled out using....</P><P><A class="link-titled" href="https://pro.arcgis.com/en/pro-app/tool-reference/data-management/bearing-distance-to-line.htm" title="https://pro.arcgis.com/en/pro-app/tool-reference/data-management/bearing-distance-to-line.htm">Bearing Distance To Line—Data Management toolbox | ArcGIS Desktop</A>&nbsp;</P><P></P><P>Projected coordinates?&nbsp;</P><P>what is your start point?</P><P>bearing... are they azimuth's from North? (bearings has several meanings</P><P>related to show it is doable</P><P><A href="https://community.esri.com/blogs/dan_patterson/2019/02/21/measuring-distance-in-3d">/blogs/dan_patterson/2019/02/21/measuring-distance-in-3d</A>&nbsp;</P></BODY></HTML> Wed, 27 Feb 2019 20:09:32 GMT https://community.esri.com/t5/python-questions/bearing-distance-to-line-with-x-y-z/m-p/63557#M5147 DanPatterson_Retired 2019-02-27T20:09:32Z Re: Bearing distance to line with X/Y/Z https://community.esri.com/t5/python-questions/bearing-distance-to-line-with-x-y-z/m-p/63558#M5148 <HTML><HEAD></HEAD><BODY><P>start point for each calculation is the XY for each row in the point feature class.&nbsp; I guess we just assume Z is 0 since it's not included in the data.</P><P></P><P>no local projection just 4326.</P><P></P><P>And yes, azimuth from North.</P><P></P><P>Your blog makes my head hurt but it's good stuff, thanks&nbsp;<IMG src="https://community.esri.com/legacyfs/online/emoticons/happy.png" /></P></BODY></HTML> Wed, 27 Feb 2019 20:31:20 GMT https://community.esri.com/t5/python-questions/bearing-distance-to-line-with-x-y-z/m-p/63558#M5148 EricEagle 2019-02-27T20:31:20Z Re: Bearing distance to line with X/Y/Z https://community.esri.com/t5/python-questions/bearing-distance-to-line-with-x-y-z/m-p/63559#M5149 <HTML><HEAD></HEAD><BODY><P>Well to make it hurt more, I don't use geodesic (aka 4326, aka longitude/latitude), only planar coordinates (like utm, etc, aka, projected)</P><P>Since you already have the Long/Lat values, you should look at the</P><P><A class="link-titled" href="https://pro.arcgis.com/en/pro-app/tool-reference/data-management/bearing-distance-to-line.htm" title="https://pro.arcgis.com/en/pro-app/tool-reference/data-management/bearing-distance-to-line.htm">Bearing Distance To Line—Data Management toolbox | ArcGIS Desktop</A>&nbsp; tool</P></BODY></HTML> Wed, 27 Feb 2019 20:35:31 GMT https://community.esri.com/t5/python-questions/bearing-distance-to-line-with-x-y-z/m-p/63559#M5149 DanPatterson_Retired 2019-02-27T20:35:31Z