[pdal] OSGeo4W64 PDAL 1.5 - Python problems

[Howard Butler]

> On May 23, 2017, at 9:05 AM, GUIMMARA, Sébastien (External) <sebastien.guimmara.external at airbus.com> wrote:
> 
> 
> Hi,
>  
> First of all, thanks for releasing PDAL 1.5 through OSGeo4W. That helps a lot.
>  
> When using the filters.programmable plugin, I get:
>  
> Fatal Python error: Py_Initialize: unable to load the file system codec
>    File “C:\OSGeo4W64\apps\Python27\Lib\encodings\__init__.py”, line 123
>  
> It looks like there is a missing environment variable somewhere. I tried setting PYTHONHOME and PYTHONPATH to C:\OSGeo4W64\apps\Python27\Lib, but that didn’t help.
>  
> I have Python 3.6 installed via the normal MSI installer, and Python 2.x via OSGeo4W and OSGeo4W64.
>  
> $ where python
> C:\OSGeo4W64\bin\python.exe
> C:\Users\sguimmara\AppData\Local\Programs\Python\Python36-32\python.exe
>  
> Is there something missing in my setup ?
>  
> Does PDAL use/initialize Python in a singular way ?

The PDAL 1.5 on OSGeo4W64 uses the Python3 build that is also included in OSGeo4W64. You will need to enable the py3_env.bat in c:\OSGeo4W64\bin\ in your OSGeo4W Shell.

Even then, things might not work as it hasn't been tested so much. Please report back any success or failure you might have.

Howard