[gdal-dev] Problems with GDAL_GRID

[Even Rouault]

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

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