On samedi 6 octobre 2018 10:03:05 CEST Dave Burkholder wrote: > As requested by Even, I downloaded the latest Version 2.3.2 of GDAL_GRID and > ran it with the same data. I have attached an image comparing the results > for 3 different versions of GDAL_GRID. The results seem to be regressing! > Up until the latest 2.3.2 version, the results compared very nicely with the > ArcGIS interpolation model except for the 'NoData glitches'. > If anyone is interested, I could share the CSV and VRT input files as a > 188KB zip-file. The input is typical of our single-beam echo-sounder > bathymetric (underwater) data with detailed cross-sections (points every > 0.35 metres) at approximately 100 m intervals down the river. Our typical > cell size is 5m x 5m.
Please file a ticket at https://github.com/OSGeo/gdal/issues/new with: - the input dataset attached (as a zip) or as a link to it. - the exact gdal_grid command line invokation you use -- Spatialys - Geospatial professional services http://www.spatialys.com _______________________________________________ gdal-dev mailing list gdal-dev@lists.osgeo.org https://lists.osgeo.org/mailman/listinfo/gdal-dev
