[pdal] colorization json gives error

[Paul Harwood]

You are opening a TIFF.

That is ok so far - but TIFFs are 2D structures. They have X,Y and Band
data.

It is, of course, very common to put DEM / DTM data in TIFF files with the
Z data in the first Band (usually).

However - as per
https://pdal.io/en/latest/stages/readers.gdal.html#readers-gdal - when
loading the TIFF into PDAL you have to use the header parameter to tell
PDAL which band is mapped to which Dimension. PDAL doesn't know what kind
of Raster you are giving it.

On Wed, 8 Mar 2023 at 11:56, Raivo Rebane <raivo at r-systems.ee> wrote:

> Hi
>
> I want to change colorization
>
> and I use
>
> PS C:\Users\Raivo\source\Repos\cv46srcDDdyn\ortovideo> pdal pipeline
> .\torgb.pip
> PDAL: writers.gdal: Specified dimension 'Z' does not exist.
>
> torgb.pip is as follows :
> [
> "44744.tiff",
> {       "type": "filters.colorization"
> },
>          {
>             "type":"writers.gdal",
>             "resolution": 10,
>             "radius": 14.14,
>             "filename": "44744.tiff"
>         }
> ]
>
> And documentation says :
>
> dimension
>
> A dimension name to use for the interpolation. [Default: “Z”]
> As I undrestand dimension 'Z' does must exist.
>
> In what I am wrong ?
>
> Regards
>
> Raivo
>
>
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