[gdal-dev] Kriging Interpolation

[Chris Marsh]

 For what is worth, as an end-user of GDAL, I would be very interested in
having such capacity in GDAL.
Cheers
Chris


On 24 June 2018 at 21:19, Ian Reese <ireese at linz.govt.nz> wrote:

> Hi Gdal,
>
> I'd like to know if it is possible to make Kriging Interpolation part of
> gdal_grid.  We work with a good deal of scattered point elevation data and
> neither IDW or Linear interpolations(smooth or not smooth)  produce the
> desired visual results.  Nor are they fast enough for the density of data
> we commonly work with. Linear interpolation is a reliable and fast method,
> however the triangulated results are difficult to work with visually.
>
> For some visual comparisons and reference, here is a link to a folder of
> sample points(shp) for a test area, two examples of kriged data for that
> test region, and a BASH script to reproduce IDW and Linear interpolations
> of the same region.
>
> https://drive.google.com/open?id=1HKbK4wMmVN6JZSvhxBQDub1WXBLE710H
>
> Here is an example of the Kriging method used by ArcGIS:
> http://desktop.arcgis.com/en/arcmap/latest/extensions/
> geostatistical-analyst/kriging-in-geostatistical-analyst.htm
>
> Few graphs explaining best interpolation methods to use with given data.
> Gridded vs. scattered.
> https://www.neonscience.org/spatial-interpolation-basics
>
> If it is possible, we are curious to know what type of funding would be
> needed.
>
> Cheers,
>
> Ian
>
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