[pdal] pdal pipeline - defining filesource_id header while using "forward": "all"

[Rose Phillips]

Hi guys,
I have a collection of LAS files in a directory, from the same project with a mixture of filesource_ids and minor_version, which I want to clean up with one value for each header respectively.
I used pdal pipeline to modify these headers and used the following json notation;
{
  "pipeline" : [
   {
        "type" : "readers.las",
        "filename" : "input.laz"
   },

    {
        "type" : "writers.las",
        "minor_version" : 3,
        "filesource_id" : 0,
        "a_srs" : "EPSG:2193+7839",
        "forward": "all",
        "filename" : "output.laz"
    }
  ]
}

The following error was raised -: PDAL: writers.las: Unexpected argument 'filesource_id' . This was for a file which already had the default value (0) for that header.
I was able to solve this issue by  removing the code <<"filesource_id":0>> from json notation and was still able to change the "minor_version", even though it is written the same way as the "filesource_id" header?
I'm wondering am I missing something or is this a bug?
I tried the following methology and got the same error -: PDAL: writers.las: Unexpected argument 'filesource_id'
{
  "pipeline" : [
   {
        "type" : "readers.las",
        "filename" : "input.laz"
   },

    {
        "type" : "writers.las",
        "minor_version" : 3,
        "filesource_id" : 0,
        "a_srs" : "EPSG:2193+7839",
        "forward": "major_version, global_encoding, project_id, system_id, software_id, creation_doy, creation_year, scale, offset",
        "filename" : "output.laz"
    }
  ]
}

I understand that I could fix this issue by sorting my point cloud files by these headers then processing them in these 'batches' but I'm trying to avoid that extra step as I'm planning to process hundreds of thousands of files.
Many thanks,
Rose Phillips


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