topic why does thin las tool give out of memory error in ArcGIS Pro Questions https://community.esri.com/t5/arcgis-pro-questions/why-does-thin-las-tool-give-out-of-memory-error/m-p/582572#M25665 <HTML><HEAD></HEAD><BODY><P>I am trying to run the thin las tool, 2cm by 2cm, on a 7mil point cloud. I keep getting an out of memory error. is there any way to fix this, besides tiling the data?</P></BODY></HTML> Thu, 26 Sep 2019 17:49:07 GMT MeghanTouat 2019-09-26T17:49:07Z why does thin las tool give out of memory error https://community.esri.com/t5/arcgis-pro-questions/why-does-thin-las-tool-give-out-of-memory-error/m-p/582572#M25665 <HTML><HEAD></HEAD><BODY><P>I am trying to run the thin las tool, 2cm by 2cm, on a 7mil point cloud. I keep getting an out of memory error. is there any way to fix this, besides tiling the data?</P></BODY></HTML> Thu, 26 Sep 2019 17:49:07 GMT https://community.esri.com/t5/arcgis-pro-questions/why-does-thin-las-tool-give-out-of-memory-error/m-p/582572#M25665 MeghanTouat 2019-09-26T17:49:07Z Re: why does thin las tool give out of memory error https://community.esri.com/t5/arcgis-pro-questions/why-does-thin-las-tool-give-out-of-memory-error/m-p/582573#M25666 <HTML><HEAD></HEAD><BODY><P>Would need more details of your environment, LAS format, version of Pro. Exact steps to reproduce</P></BODY></HTML> Wed, 04 Dec 2019 18:24:23 GMT https://community.esri.com/t5/arcgis-pro-questions/why-does-thin-las-tool-give-out-of-memory-error/m-p/582573#M25666 ThomasColson 2019-12-04T18:24:23Z Re: why does thin las tool give out of memory error https://community.esri.com/t5/arcgis-pro-questions/why-does-thin-las-tool-give-out-of-memory-error/m-p/582574#M25667 <HTML><HEAD></HEAD><BODY><P>I am having this same issue when I choose Closest to Average Height for the Point Selection Method. I am also using 3D Thinning Dimension. After clicking run, the&nbsp;<A href="https://pro.arcgis.com/en/pro-app/tool-reference/tool-errors-and-warnings/001001-010000/tool-errors-and-warnings-00426-00450-000426.htm" title="https://pro.arcgis.com/en/pro-app/tool-reference/tool-errors-and-warnings/001001-010000/tool-errors-and-warnings-00426-00450-000426.htm">000426: Out Of Memory.—ArcGIS Pro | Documentation</A>&nbsp;error presented immediately.</P><P></P><P>Running ArcGIS Pro 2.6.1 and working with Pix4D photogrammetry-derived LAS files version 1.2.</P></BODY></HTML> Wed, 30 Sep 2020 15:33:11 GMT https://community.esri.com/t5/arcgis-pro-questions/why-does-thin-las-tool-give-out-of-memory-error/m-p/582574#M25667 James_Whitacre 2020-09-30T15:33:11Z Re: why does thin las tool give out of memory error https://community.esri.com/t5/arcgis-pro-questions/why-does-thin-las-tool-give-out-of-memory-error/m-p/1024217#M37013 <P>The Thin Las tool gives me an out of memory error regardless of the settings.&nbsp; I'm on a windows 10 machine with 96GB of physical ram running ArcPro 2.7.1.&nbsp; The files are LAS 1.4 (format 6) and I have tiled them so that the largest laz file is only 75 kb. Even so, Thin LAS tool gives me an out of memory error within a minute despite never using much physical memory.</P><P>The Thin LAS tool is the only tool I have issues with and I get the same out of memory error doing 64-bit background geoprocessing in ArcMap (10.6.1).&nbsp; <STRONG>It doesn't seem to be an actual out of memory issue though because I can get the tool to run by switching to 32-bit foreground processing in ArcMap.</STRONG></P> Sun, 07 Feb 2021 17:45:32 GMT https://community.esri.com/t5/arcgis-pro-questions/why-does-thin-las-tool-give-out-of-memory-error/m-p/1024217#M37013 GregStewart 2021-02-07T17:45:32Z