topic Re: geographic to projected (but i dont know which zone ) in ArcObjects SDK Questions https://community.esri.com/t5/arcobjects-sdk-questions/geographic-to-projected-but-i-dont-know-nbsp-which/m-p/634654#M17107 <HTML><HEAD></HEAD><BODY><SPAN>see </SPAN><A href="http://gislounge.com/how-to-calculate-the-boundaries-of-an-utm-zone/">http://gislounge.com/how-to-calculate-the-boundaries-of-an-utm-zone/</A></BODY></HTML> Wed, 07 Jul 2010 16:37:51 GMT KirkKuykendall 2010-07-07T16:37:51Z geographic to projected (but i dont know  which zone ) https://community.esri.com/t5/arcobjects-sdk-questions/geographic-to-projected-but-i-dont-know-nbsp-which/m-p/634653#M17106 <HTML><HEAD></HEAD><BODY><SPAN>i have big map in geographic coordinates (WGS84) . when the user click on the map, i want to convert the point coordinates(where the user clicked)&nbsp; from geographic to projected (utm).</SPAN><BR /><BR /><SPAN>see this line:</SPAN><BR /><SPAN> IProjectedCoordinateSystem pcs = srFactory.CreateProjectedCoordinateSystem((int)esriSRProjCSType.esriSRProjCS_NAD1983N_AmericaLambert);</SPAN><BR /><BR /><SPAN>my problem is that i dont know to which utm zone i should put. because the map contain many utm zones (around 24 zones)</SPAN><BR /><BR /><SPAN>so how i can project the coordinates when i dont know the exact zone ?</SPAN><BR /><BR /><SPAN>thank you</SPAN></BODY></HTML> Wed, 07 Jul 2010 11:24:25 GMT https://community.esri.com/t5/arcobjects-sdk-questions/geographic-to-projected-but-i-dont-know-nbsp-which/m-p/634653#M17106 AbdulrahmanAlqasim 2010-07-07T11:24:25Z Re: geographic to projected (but i dont know which zone ) https://community.esri.com/t5/arcobjects-sdk-questions/geographic-to-projected-but-i-dont-know-nbsp-which/m-p/634654#M17107 <HTML><HEAD></HEAD><BODY><SPAN>see </SPAN><A href="http://gislounge.com/how-to-calculate-the-boundaries-of-an-utm-zone/">http://gislounge.com/how-to-calculate-the-boundaries-of-an-utm-zone/</A></BODY></HTML> Wed, 07 Jul 2010 16:37:51 GMT https://community.esri.com/t5/arcobjects-sdk-questions/geographic-to-projected-but-i-dont-know-nbsp-which/m-p/634654#M17107 KirkKuykendall 2010-07-07T16:37:51Z