topic Is this the best surface I can get from SRTM? in ArcGIS Spatial Analyst Questions https://community.esri.com/t5/arcgis-spatial-analyst-questions/is-this-the-best-surface-i-can-get-from-srtm/m-p/576878#M8341 <HTML><HEAD></HEAD><BODY><P>Hi, I have been trying to model a surface using SRTM 1ArcSecond data.</P><P></P><P>The Hillshade I can generate though is very "grainy"? Is this the quality I should expect from an SRTM DEM? Some of this "bumps" are clearly buildings and/or vegetation. What would be the best to clear this and produce an smoother result? I tried using Focal Statistics, but the only thing I manage is to make the dem less sharp.</P><P>Can you point me out in the right direction what would be the process workflow for something like this?</P></BODY></HTML> Mon, 02 Mar 2020 14:48:34 GMT EduardoMachicado 2020-03-02T14:48:34Z Is this the best surface I can get from SRTM? https://community.esri.com/t5/arcgis-spatial-analyst-questions/is-this-the-best-surface-i-can-get-from-srtm/m-p/576878#M8341 <HTML><HEAD></HEAD><BODY><P>Hi, I have been trying to model a surface using SRTM 1ArcSecond data.</P><P></P><P>The Hillshade I can generate though is very "grainy"? Is this the quality I should expect from an SRTM DEM? Some of this "bumps" are clearly buildings and/or vegetation. What would be the best to clear this and produce an smoother result? I tried using Focal Statistics, but the only thing I manage is to make the dem less sharp.</P><P>Can you point me out in the right direction what would be the process workflow for something like this?</P></BODY></HTML> Mon, 02 Mar 2020 14:48:34 GMT https://community.esri.com/t5/arcgis-spatial-analyst-questions/is-this-the-best-surface-i-can-get-from-srtm/m-p/576878#M8341 EduardoMachicado 2020-03-02T14:48:34Z Re: Is this the best surface I can get from SRTM? https://community.esri.com/t5/arcgis-spatial-analyst-questions/is-this-the-best-surface-i-can-get-from-srtm/m-p/576879#M8342 <HTML><HEAD></HEAD><BODY><P><A class="link-titled" href="https://www.usgs.gov/centers/eros/science/usgs-eros-archive-digital-elevation-shuttle-radar-topography-mission-srtm-1-arc?qt-science_center_objects=0#qt-science_center_objects" title="https://www.usgs.gov/centers/eros/science/usgs-eros-archive-digital-elevation-shuttle-radar-topography-mission-srtm-1-arc?qt-science_center_objects=0#qt-science_center_objects">https://www.usgs.gov/centers/eros/science/usgs-eros-archive-digital-elevation-shuttle-radar-topography-mission-srtm-1-ar…</A>&nbsp;</P><P>30 m resolution is pretty coarse by todays standards.&nbsp; It is useful for large areas and/or areas where there is no continuous coverage from other sources.</P></BODY></HTML> Mon, 02 Mar 2020 15:29:17 GMT https://community.esri.com/t5/arcgis-spatial-analyst-questions/is-this-the-best-surface-i-can-get-from-srtm/m-p/576879#M8342 DanPatterson_Retired 2020-03-02T15:29:17Z