topic Back interpolating values from grid to database in Geoprocessing Questions https://community.esri.com/t5/geoprocessing-questions/back-interpolating-values-from-grid-to-database/m-p/244200#M8327 <HTML><HEAD></HEAD><BODY><SPAN>Original User: exoscoriae</SPAN><BR /><BR /><SPAN>Good day.&nbsp; I have used the IDW tool to create a grid from a select set of points.&nbsp; For this example lets say I have 1,000 points and I used 500 of them to create the grid, and the other 500 have a null value for my Z.</SPAN><BR /><BR /><SPAN>Now I would like to take the values the grid calculated, and write them back to the 500 points that have null values.</SPAN><BR /><BR /><SPAN>I have been searching help files on this, but I suppose I don't know the correct terminology to search for to accomplish this.&nbsp; Any assistance or pointing me in the right direction would be greatly appreciated.</SPAN></BODY></HTML> Mon, 21 Nov 2011 13:17:16 GMT Anonymous User 2011-11-21T13:17:16Z Back interpolating values from grid to database https://community.esri.com/t5/geoprocessing-questions/back-interpolating-values-from-grid-to-database/m-p/244200#M8327 <HTML><HEAD></HEAD><BODY><SPAN>Original User: exoscoriae</SPAN><BR /><BR /><SPAN>Good day.&nbsp; I have used the IDW tool to create a grid from a select set of points.&nbsp; For this example lets say I have 1,000 points and I used 500 of them to create the grid, and the other 500 have a null value for my Z.</SPAN><BR /><BR /><SPAN>Now I would like to take the values the grid calculated, and write them back to the 500 points that have null values.</SPAN><BR /><BR /><SPAN>I have been searching help files on this, but I suppose I don't know the correct terminology to search for to accomplish this.&nbsp; Any assistance or pointing me in the right direction would be greatly appreciated.</SPAN></BODY></HTML> Mon, 21 Nov 2011 13:17:16 GMT https://community.esri.com/t5/geoprocessing-questions/back-interpolating-values-from-grid-to-database/m-p/244200#M8327 Anonymous User 2011-11-21T13:17:16Z Re: Back interpolating values from grid to database https://community.esri.com/t5/geoprocessing-questions/back-interpolating-values-from-grid-to-database/m-p/244201#M8328 <HTML><HEAD></HEAD><BODY><SPAN>The toolbox tool you are looking for is called Add Surface Information in the 3D Analyst Tools.</SPAN><BR /><SPAN>This tool will populate your selected (Null Value) points with the raster value at each point.</SPAN></BODY></HTML> Mon, 21 Nov 2011 15:34:13 GMT https://community.esri.com/t5/geoprocessing-questions/back-interpolating-values-from-grid-to-database/m-p/244201#M8328 GerryGabrisch 2011-11-21T15:34:13Z Re: Back interpolating values from grid to database https://community.esri.com/t5/geoprocessing-questions/back-interpolating-values-from-grid-to-database/m-p/244202#M8329 <HTML><HEAD></HEAD><BODY><SPAN>Original User: exoscoriae</SPAN><BR /><BR /><SPAN>Thank you, that worked brilliantly.</SPAN></BODY></HTML> Mon, 21 Nov 2011 16:22:05 GMT https://community.esri.com/t5/geoprocessing-questions/back-interpolating-values-from-grid-to-database/m-p/244202#M8329 Anonymous User 2011-11-21T16:22:05Z