5 Ways GIS File Conversions Silently Fail — And What to Check Before You Trust the Output
GIS format conversions do not crash loudly when they fail. They produce an output file, report success, and leave you with data that is wrong in ways you may not notice until the analysis is already done. Field names get silently cut at 10 characters. Geometries disappear without warning. Coordinate systems shift without errors. Attribute types coerce to something that looks right but produces wrong numbers. These are not edge cases. They are the default behavior of the tools most GIS teams use daily — including GDAL/OGR, QGIS’s built-in export, and ArcGIS Pro’s geoprocessing toolbox. None warn you by default. ...