topic Re: Calculate XY values for 7 points along a line and then for 360 degrees in Spatial Data Science Questions https://community.esri.com/t5/spatial-data-science-questions/calculate-xy-values-for-7-points-along-a-line-and/m-p/47270#M83 <HTML><HEAD></HEAD><BODY><P>do you have the start coordinate and the length of the irrigation?&nbsp; They should be in the same units (ie meters).&nbsp; The values can then be calculated from the initial arm using geometry&nbsp; assuming that the pivot point is at the X-Y origin by rotating from 180 to - 180 degrees relative to the x axis, then translating the whole thing to the true center.</P><P></P><P>ie&nbsp; XYc = [0,0]</P><P></P><P>XY1 to XY10&nbsp; = [ [ 10,0],[20,0],[30,0].....[90,0],[100,0]]&nbsp; for a 100 meter line length at angle 0 degrees...&nbsp; </P><P></P><P>so if you are adept at using python and numpy in particular, this can be accomplished rapidly then the results converted to a shapefile using NumpyToFeatureClass...&nbsp; Sorry I cant do it for you since numpy and arcmap don't run on these iThingy computers (iPad <IMG src="https://community.esri.com/legacyfs/online/emoticons/happy.png" /> )</P></BODY></HTML> Tue, 23 Dec 2014 22:44:28 GMT DanPatterson_Retired 2014-12-23T22:44:28Z Calculate XY values for 7 points along a line and then for 360 degrees https://community.esri.com/t5/spatial-data-science-questions/calculate-xy-values-for-7-points-along-a-line-and/m-p/47269#M82 <HTML><HEAD></HEAD><BODY><P>I am trying to calculate the XY values of 7 points along a line and then the XY coordinates for each of 7 points for each degree in a 360 degree circle. (A Center Irrigation Pivot) The 8th point would be the end point of the line.</P></BODY></HTML> Tue, 23 Dec 2014 21:38:09 GMT https://community.esri.com/t5/spatial-data-science-questions/calculate-xy-values-for-7-points-along-a-line-and/m-p/47269#M82 JohnWatermolen 2014-12-23T21:38:09Z Re: Calculate XY values for 7 points along a line and then for 360 degrees https://community.esri.com/t5/spatial-data-science-questions/calculate-xy-values-for-7-points-along-a-line-and/m-p/47270#M83 <HTML><HEAD></HEAD><BODY><P>do you have the start coordinate and the length of the irrigation?&nbsp; They should be in the same units (ie meters).&nbsp; The values can then be calculated from the initial arm using geometry&nbsp; assuming that the pivot point is at the X-Y origin by rotating from 180 to - 180 degrees relative to the x axis, then translating the whole thing to the true center.</P><P></P><P>ie&nbsp; XYc = [0,0]</P><P></P><P>XY1 to XY10&nbsp; = [ [ 10,0],[20,0],[30,0].....[90,0],[100,0]]&nbsp; for a 100 meter line length at angle 0 degrees...&nbsp; </P><P></P><P>so if you are adept at using python and numpy in particular, this can be accomplished rapidly then the results converted to a shapefile using NumpyToFeatureClass...&nbsp; Sorry I cant do it for you since numpy and arcmap don't run on these iThingy computers (iPad <IMG src="https://community.esri.com/legacyfs/online/emoticons/happy.png" /> )</P></BODY></HTML> Tue, 23 Dec 2014 22:44:28 GMT https://community.esri.com/t5/spatial-data-science-questions/calculate-xy-values-for-7-points-along-a-line-and/m-p/47270#M83 DanPatterson_Retired 2014-12-23T22:44:28Z