[pdal] [writers.gdal] How to specify the output data type as Float32?

[GUIMMARA, Sébastien (External)]

I actually don’t need to use the gdalopts parameter. I just thought it was the way to output Float32 datasets before I knew it was a limitation of PDAL.

Sébastien

De : Andrew Bell [mailto:andrew.bell.ia at gmail.com]
Envoyé : lundi 13 mars 2017 18:28
À : GUIMMARA, Sébastien (External)
Cc : pdal at lists.osgeo.org
Objet : Re: [pdal] [writers.gdal] How to specify the output data type as Float32?

On Mon, Mar 13, 2017 at 10:12 AM, GUIMMARA, Sébastien (External) <sebastien.guimmara.external at airbus.com<mailto:sebastien.guimmara.external at airbus.com>> wrote:
Thanks for the quick reply. I’ll use a workaround for the moment (gdal_translate) to convert the data types.

Sébastien

De : Andrew Bell [mailto:andrew.bell.ia at gmail.com<mailto:andrew.bell.ia at gmail.com>]
Envoyé : lundi 13 mars 2017 15:52
À : GUIMMARA, Sébastien (External)
Cc : pdal at lists.osgeo.org<mailto:pdal at lists.osgeo.org>
Objet : Re: [pdal] [writers.gdal] How to specify the output data type as Float32?

On Mon, Mar 13, 2017 at 9:04 AM, GUIMMARA, Sébastien (External) <sebastien.guimmara.external at airbus.com<mailto:sebastien.guimmara.external at airbus.com>> wrote:
Dear all,

I have successfully converted a point cloud to a GTiff raster using pdal pipeline and I noticed that PDAL creates rasters of Float64 data type. Unfortunately, the next step in our data processing only accepts 32-bit data types. Is there a way to specify this data type in the pipeline using the gdalopts parameter ?

No.  This is an open issue that I hope to fix soon.

Moreover, the exact syntax of the gdalopts parameter is unclear. Is it a single string encapsulating all options ? e.g:

"gdalopts":"KEY0=VALUE0,KEY1=VALUE1,..."

It *should* work, but apparently there's a bug.  The arguments aren't passed along.  I'll fix shortly.

I've fixed the issue of gdalopts being ignored in the master branch.  Please let me know if have other problems.

--
Andrew Bell
andrew.bell.ia at gmail.com<mailto:andrew.bell.ia at gmail.com>



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