topic Re: Appropriate contour intervals in 3D Questions https://community.esri.com/t5/3d-questions/appropriate-contour-intervals/m-p/50948#M357 <HTML><HEAD></HEAD><BODY><SPAN>Whoever produced the DEM should have provided a contour equivalency.&nbsp; The appropriate contour interval is very dependent on the type of the topography in the area as well as the quality of the equipment gathering the data and the post processing.</SPAN></BODY></HTML> Sun, 01 May 2011 00:53:38 GMT MattMead 2011-05-01T00:53:38Z Appropriate contour intervals https://community.esri.com/t5/3d-questions/appropriate-contour-intervals/m-p/50947#M356 <HTML><HEAD></HEAD><BODY><SPAN>Does anyone know if there is a function used to determine the appropriate contour intervals for a given DEM?&nbsp; </SPAN><BR /><BR /><SPAN>For example, if I have a raster with 50m cell sizes, what is the best contour interval to generate regardless of the data extent or terrain?</SPAN></BODY></HTML> Wed, 20 Apr 2011 19:42:31 GMT https://community.esri.com/t5/3d-questions/appropriate-contour-intervals/m-p/50947#M356 SpencerNiebuhr 2011-04-20T19:42:31Z Re: Appropriate contour intervals https://community.esri.com/t5/3d-questions/appropriate-contour-intervals/m-p/50948#M357 <HTML><HEAD></HEAD><BODY><SPAN>Whoever produced the DEM should have provided a contour equivalency.&nbsp; The appropriate contour interval is very dependent on the type of the topography in the area as well as the quality of the equipment gathering the data and the post processing.</SPAN></BODY></HTML> Sun, 01 May 2011 00:53:38 GMT https://community.esri.com/t5/3d-questions/appropriate-contour-intervals/m-p/50948#M357 MattMead 2011-05-01T00:53:38Z Re: Appropriate contour intervals https://community.esri.com/t5/3d-questions/appropriate-contour-intervals/m-p/50949#M358 <HTML><HEAD></HEAD><BODY><SPAN>The DEM was produced from stereo imagery.&nbsp; I have the post spacing and point density images, but I still can't find any literature that addresses this problem.&nbsp; I would like to find something that says the relationship between DEM's and contours is based on more than a hunch.</SPAN><BR /><BR /><SPAN>thanks anyway</SPAN><BR /><SPAN>-hh</SPAN></BODY></HTML> Mon, 02 May 2011 13:38:06 GMT https://community.esri.com/t5/3d-questions/appropriate-contour-intervals/m-p/50949#M358 SpencerNiebuhr 2011-05-02T13:38:06Z