topic Re: Help with getting elevation data from LiDAR data? in ArcGIS Enterprise Portal Questions https://community.esri.com/t5/arcgis-enterprise-portal-questions/help-with-getting-elevation-data-from-lidar-data/m-p/333840#M4539 <HTML><HEAD></HEAD><BODY><SPAN>Hi,</SPAN><BR /><BR /><SPAN>I have had a similar problem in the past with LiDAR data. It has come to me in an ASCII format, and by default Arc will display this as integers, rather than float precision.</SPAN><BR /><BR /><SPAN>The way around this is to import the file into ArcMap using the ASCII to Raster conversion tool, ensuring you change the output datatype to Float.</SPAN><BR /><BR /><SPAN>Hope that helps.</SPAN><BR /><BR /><SPAN>Jools</SPAN></BODY></HTML> Wed, 19 Sep 2012 14:00:31 GMT JulianO_Neill 2012-09-19T14:00:31Z Help with getting elevation data from LiDAR data? https://community.esri.com/t5/arcgis-enterprise-portal-questions/help-with-getting-elevation-data-from-lidar-data/m-p/333839#M4538 <HTML><HEAD></HEAD><BODY><SPAN>I was wondering if someone would be able to provide some assistance.&nbsp; I am reasonably familiar with ArcGIS but have never worked with a LiDAR dataset before.&nbsp; I have recently been sent one and would like to use the elevation data but I am struggling to know what to do with the files.&nbsp; They are raster files, and in ArcCatalog the preview shows images with only 1 or 2 colours.&nbsp; The attribute table only has three rows with values 0, 1, and 2, and a large integer in the un-titled column next to these.&nbsp; When I plot the data in ArcScene and get base heights from the raster I see topography, but when I go to identify a point I don't get anything that looks like an elevation reading.&nbsp; For this data to be useful I need to know what elevations I'm dealing with.&nbsp; Does anyone know how I would find this information?</SPAN><BR /><BR /><SPAN>Thanks.</SPAN></BODY></HTML> Fri, 17 Aug 2012 21:01:01 GMT https://community.esri.com/t5/arcgis-enterprise-portal-questions/help-with-getting-elevation-data-from-lidar-data/m-p/333839#M4538 ElizabethYoung 2012-08-17T21:01:01Z Re: Help with getting elevation data from LiDAR data? https://community.esri.com/t5/arcgis-enterprise-portal-questions/help-with-getting-elevation-data-from-lidar-data/m-p/333840#M4539 <HTML><HEAD></HEAD><BODY><SPAN>Hi,</SPAN><BR /><BR /><SPAN>I have had a similar problem in the past with LiDAR data. It has come to me in an ASCII format, and by default Arc will display this as integers, rather than float precision.</SPAN><BR /><BR /><SPAN>The way around this is to import the file into ArcMap using the ASCII to Raster conversion tool, ensuring you change the output datatype to Float.</SPAN><BR /><BR /><SPAN>Hope that helps.</SPAN><BR /><BR /><SPAN>Jools</SPAN></BODY></HTML> Wed, 19 Sep 2012 14:00:31 GMT https://community.esri.com/t5/arcgis-enterprise-portal-questions/help-with-getting-elevation-data-from-lidar-data/m-p/333840#M4539 JulianO_Neill 2012-09-19T14:00:31Z