[Liblas-devel] problem with reinstalling liblas in Python

[Stanley Wong]

Andrej, 

>From what I gathered, osgeo4w-setup.exe installs its own python and liblas module, and I do not know of a way to tell osgeo4w-setup which python to install liblas. 

I had 4 copies of python in my computer (2 from ArcGIS installation and 2 for my own use) before I installed osgeo4w. 
It would be much nicer if I can run my python scripts within the IDE (or in the python versions I have been using), but I do not know how to do that. 
I am a beginner in liblas myself. 
Maybe someone in the forum can suggest a way to do that? 

There is a separate liblas installation download you can try: 
http://pypi.python.org/pypi/libLAS 
It is on a previous version of liblas (1.6.0) but it looks for python versions from the registry and prompts you which version you would like to install to. 
It had worked well for me on reading and writing LAS files until I needed to add projection information to the LAS header. 

Stanley 

----- Original Message -----

From: "Andrej Kobler" <andrej.kobler at gozdis.si> 
To: "Stanley Wong" <s.wong at kucerainternational.com> 
Cc: liblas-devel at lists.osgeo.org 
Sent: Tuesday, September 20, 2011 10:32:26 AM 
Subject: RE: [Liblas-devel] problem with reinstalling liblas in Python 



Stanley, 

There is a python.exe in c:\OSGeo4W\bin\, however it turns out that both C:\Program Files\pythonxy\ and in C:\Python27\ lack any files or folders named liblas. So it seems to me that after my second python installation the OSGeo4W did not copy any liblas stuff into the python folders. 

Would it help to delete the c:\OSGeo4W folder and then run the osgeo4w-setup.exe again? 

Thanks, 

Andrej 




From: Stanley Wong [mailto:s.wong at kucerainternational.com] 
Sent: 20. september 2011 14:49 
To: Andrej Kobler 
Cc: liblas-devel at lists.osgeo.org 
Subject: Re: [Liblas-devel] problem with reinstalling liblas in Python 



Andrej, 

Please check if you have a python.exe in c:\OSGeo4W\bin\ 
If so, try this: 
1. Open OSGeo4W shell, then type in 
2. c:\OSGeo4W\bin\python.exe <your_script>.py 


Stanley 


----- Original Message -----


From: "Andrej Kobler" <andrej.kobler at gozdis.si> 
To: liblas-devel at lists.osgeo.org 
Sent: Tuesday, September 20, 2011 5:27:01 AM 
Subject: [Liblas-devel] problem with reinstalling liblas in Python 
Hi, 

I have a problem with reinstalling liblas in Python and any help would be much appreciated. 

Since I know next to nothing about compilers, the recipe how to install liblas with Python ( http://liblas.org/osgeo4w.html ) was a life-saver for me. However I somehow succeeded in ruining my liblas installation and I am unable to recreate it, even by following the exact same steps as the first time. Short description of the situation: 

    1. In MS Windows XP I installed liblas on top of Pythonxy environment ( http://code.google.com/p/pythonxy/ ) following the recipe. At this point liblas worked perfectly with Python. 
    2. Due to some unrelated problems I had to remove Python (using Windows / Add and remove programs). Unfortunately, after reinstalling Python and then executing liblas command from OSGeo4W shell, Python could not find liblas, reporting ImportError: No module named liblas. 
    3. I got the same response from Python even after downloading and running the OSGeo4W installer again. 


Kind regards and big thanks for your help, 

Andrej 

------------------------------------------ 
Dr. Andrej Kobler 
Slovenian Forestry Institute 
Večna pot 2, SI - 1000 Ljubljana, Slovenia 
Phone +386 1 2007835 



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