topic Fast Raster Pixel Access in Data Management Questions https://community.esri.com/t5/data-management-questions/fast-raster-pixel-access/m-p/619643#M35005 <HTML><HEAD></HEAD><BODY><SPAN>I can read a tiff outside of ArcObjects in under a second.&nbsp; In ArcObjects the same access is significantly slower (30 to 50 seconds).&nbsp; Is there a fast way to access pixel values within ArcObjects?</SPAN></BODY></HTML> Fri, 25 Mar 2011 16:15:16 GMT anthonybaker 2011-03-25T16:15:16Z Fast Raster Pixel Access https://community.esri.com/t5/data-management-questions/fast-raster-pixel-access/m-p/619643#M35005 <HTML><HEAD></HEAD><BODY><SPAN>I can read a tiff outside of ArcObjects in under a second.&nbsp; In ArcObjects the same access is significantly slower (30 to 50 seconds).&nbsp; Is there a fast way to access pixel values within ArcObjects?</SPAN></BODY></HTML> Fri, 25 Mar 2011 16:15:16 GMT https://community.esri.com/t5/data-management-questions/fast-raster-pixel-access/m-p/619643#M35005 anthonybaker 2011-03-25T16:15:16Z Re: Fast Raster Pixel Access https://community.esri.com/t5/data-management-questions/fast-raster-pixel-access/m-p/619644#M35006 <HTML><HEAD></HEAD><BODY><SPAN>I recently struggled with something similar.&nbsp; I ended up using GDAL.&nbsp; GDAL works great, is fast, and has configs for a number of different raster formats.&nbsp; I ended up deciding on using .IMG (the GDAL .IMG driver supports rasters &gt;2 GB) and mixing in GDAL calls into my script.&nbsp; Depending on your programming environment &amp; language, there may be (probably is?) a GDAL API for you.</SPAN><BR /><BR /><SPAN>I just upgraded to 10, and saw a reference on one of the ArcGIS blogs indicating that GDAL is pre-configured in the ArcGIS Python 2.6 implementation.&nbsp; I haven't messed around with that, and in the past have explicitly maintained a GDAL install on my ArcGIS Python 2.5.3 install.&nbsp; It sounds like you aren't programming in python, though, and may already be aware of the GDAL option.</SPAN><BR /><BR /><SPAN>I don't look to make it complicated, but GDAL was 10 - 50 x faster.&nbsp; Made the approach for feasible rather than infeasible...</SPAN></BODY></HTML> Wed, 06 Apr 2011 20:14:29 GMT https://community.esri.com/t5/data-management-questions/fast-raster-pixel-access/m-p/619644#M35006 DarylVan_Dyke 2011-04-06T20:14:29Z