topic Layer points and screen points. in ArcObjects SDK Questions https://community.esri.com/t5/arcobjects-sdk-questions/layer-points-and-screen-points/m-p/466345#M12661 <HTML><HEAD></HEAD><BODY><SPAN>I'm using the SDE API to retrieve the coordinates of one member of a feature class by way of the SeLayer.&nbsp; I use a query to retrieve the row and I get the shape element from the row and invoke the getAllCoords( ) method to retrieve the X,Y,Z values of the points.&nbsp; The values are rather large numbers:</SPAN><BR /><SPAN>x:1936050.449370861 </SPAN><BR /><SPAN>y:234372.5455697477</SPAN><BR /><BR /><SPAN>I want to map the points in a window -- just enough to get a general idea of what the feature looks like so I want to convert these values to window-relative X and Y values.&nbsp; I know that the raw values are in coordinate system values and I'm pretty sure I want to adjust them based on the origin of the coordinate system and the units. I can find the units but I don't know how to locate the origin so I can't convert the values.</SPAN></BODY></HTML> Mon, 19 Dec 2011 14:57:27 GMT DonaldAlbertson 2011-12-19T14:57:27Z Layer points and screen points. https://community.esri.com/t5/arcobjects-sdk-questions/layer-points-and-screen-points/m-p/466345#M12661 <HTML><HEAD></HEAD><BODY><SPAN>I'm using the SDE API to retrieve the coordinates of one member of a feature class by way of the SeLayer.&nbsp; I use a query to retrieve the row and I get the shape element from the row and invoke the getAllCoords( ) method to retrieve the X,Y,Z values of the points.&nbsp; The values are rather large numbers:</SPAN><BR /><SPAN>x:1936050.449370861 </SPAN><BR /><SPAN>y:234372.5455697477</SPAN><BR /><BR /><SPAN>I want to map the points in a window -- just enough to get a general idea of what the feature looks like so I want to convert these values to window-relative X and Y values.&nbsp; I know that the raw values are in coordinate system values and I'm pretty sure I want to adjust them based on the origin of the coordinate system and the units. I can find the units but I don't know how to locate the origin so I can't convert the values.</SPAN></BODY></HTML> Mon, 19 Dec 2011 14:57:27 GMT https://community.esri.com/t5/arcobjects-sdk-questions/layer-points-and-screen-points/m-p/466345#M12661 DonaldAlbertson 2011-12-19T14:57:27Z