topic Interpolating Contours with Spline in ArcGIS Spatial Analyst Questions https://community.esri.com/t5/arcgis-spatial-analyst-questions/interpolating-contours-with-spline/m-p/412226#M5781 <HTML><HEAD></HEAD><BODY><SPAN>Hello, I have contours (about 5000 polylines) and I need to interpolate those with Spline. But Spline function can only interpolate points, and my contours are polylines. I hope that anyone has a solution to my problem. Thanks a lot!</SPAN></BODY></HTML> Sun, 13 Mar 2011 17:53:43 GMT RuzaLulic 2011-03-13T17:53:43Z Interpolating Contours with Spline https://community.esri.com/t5/arcgis-spatial-analyst-questions/interpolating-contours-with-spline/m-p/412226#M5781 <HTML><HEAD></HEAD><BODY><SPAN>Hello, I have contours (about 5000 polylines) and I need to interpolate those with Spline. But Spline function can only interpolate points, and my contours are polylines. I hope that anyone has a solution to my problem. Thanks a lot!</SPAN></BODY></HTML> Sun, 13 Mar 2011 17:53:43 GMT https://community.esri.com/t5/arcgis-spatial-analyst-questions/interpolating-contours-with-spline/m-p/412226#M5781 RuzaLulic 2011-03-13T17:53:43Z Re: Interpolating Contours with Spline https://community.esri.com/t5/arcgis-spatial-analyst-questions/interpolating-contours-with-spline/m-p/412227#M5782 <HTML><HEAD></HEAD><BODY><SPAN>See TopoToRaster (it uses </SPAN><SPAN style="font-style:italic;">inter alia </SPAN><SPAN>thin plate splines) or convert your contours to points. however, you might then have "steps" in your output surface.</SPAN><BR /><BR /><SPAN>Steve</SPAN></BODY></HTML> Mon, 14 Mar 2011 14:51:27 GMT https://community.esri.com/t5/arcgis-spatial-analyst-questions/interpolating-contours-with-spline/m-p/412227#M5782 SteveLynch 2011-03-14T14:51:27Z