topic Spatial Accuracy in Standards and Interoperability Questions https://community.esri.com/t5/standards-and-interoperability-questions/spatial-accuracy/m-p/709297#M368 <HTML><HEAD></HEAD><BODY><SPAN>What are there spatial accuracy issues between coverages, shapefiles and geodatabases?</SPAN><BR /><BR /><SPAN>Kobe</SPAN></BODY></HTML> Tue, 05 Oct 2010 15:51:01 GMT KobeHarkins 2010-10-05T15:51:01Z Spatial Accuracy https://community.esri.com/t5/standards-and-interoperability-questions/spatial-accuracy/m-p/709297#M368 <HTML><HEAD></HEAD><BODY><SPAN>What are there spatial accuracy issues between coverages, shapefiles and geodatabases?</SPAN><BR /><BR /><SPAN>Kobe</SPAN></BODY></HTML> Tue, 05 Oct 2010 15:51:01 GMT https://community.esri.com/t5/standards-and-interoperability-questions/spatial-accuracy/m-p/709297#M368 KobeHarkins 2010-10-05T15:51:01Z Re: Spatial Accuracy https://community.esri.com/t5/standards-and-interoperability-questions/spatial-accuracy/m-p/709298#M369 <HTML><HEAD></HEAD><BODY><SPAN>Hi Kobe</SPAN><BR /><BR /><SPAN>This is quite a big topic, but the short story is coverages come in two flavours - having single or double precision coordinates - and use the concept of a fuzzy tolerance when geoprocessing against other coverages - coordinates within the tolerance of each other are considered identical.&nbsp; Shapefiles are always double precision and have no concept of control over coordinate comparison tolerance - don't use them.&nbsp; Geodatabases use a storage resolution for their features and an additional XY tolerance you use to model the accuracy of the data when making coordinate comparisons.&nbsp; Because much geoprocessing functionality depends on coordinate comparison geodatabases are the recommended storage workspace for your data.</SPAN><BR /><BR /><SPAN>Regards</SPAN></BODY></HTML> Wed, 06 Oct 2010 15:31:29 GMT https://community.esri.com/t5/standards-and-interoperability-questions/spatial-accuracy/m-p/709298#M369 BruceHarold 2010-10-06T15:31:29Z