[Qgis-user] Share Python Script for Point Analyses Tool

[Leo Kris Palao]

Hi Saber,

Have you tried to use the tool before that you suggested me
http://gis-lab.info/qa/extract-values-rasters-eng.html . I tried to run it
but I get an error message - I think I got the input-output argument right.
Can you help me debug it?

I am running it in five MODIS-EVI dataset first for testing. I am using
QGIS 2.2 with GDAL and GDAL-Python installed using OSGeo4W installer. and I
am using Windows 7 64 bit professional OS. I have the extract_values.py
script, rasters, and shapefile in one folder.

Thanks,
-Leo

GDAL 1.10.1, released 2013/08/26

C:\>cd F:\MODIS_Historical\First_season\yr2012\h27v07\Test

C:\>F:

F:\MODIS_Historical\First_season\yr2012\h27v07\Test>extract_values.py -c
GT_and_
farmsurvey_modis.shp -d F:\MODIS_Historical\First_season\yr2012\h27v07\Test
Traceback (most recent call last):
  File "F:\MODIS_Historical\First_season\yr2012\h27v07\Test\
extract_values.py",
line 34, in <module>
    import gdal, ogr, osr
  File "C:\OSGeo4W\apps\Python27\lib\site-packages\gdal.py", line 2, in
<module>

    from osgeo.gdal import deprecation_warn
  File "C:\OSGeo4W\apps\Python27\lib\site-packages\osgeo\__init__.py", line
21,
in <module>
    _gdal = swig_import_helper()
  File "C:\OSGeo4W\apps\Python27\lib\site-packages\osgeo\__init__.py", line
17,
in swig_import_helper
    _mod = imp.load_module('_gdal', fp, pathname, description)
ImportError: DLL load failed: %1 is not a valid Win32 application.

F:\MODIS_Historical\First_season\yr2012\h27v07\Test>


On Wed, Jun 4, 2014 at 3:32 PM, Saber Razmjooei <
saber.razmjooei at lutraconsulting.co.uk> wrote:

> Have you tried this:
>
> http://gis-lab.info/qa/extract-values-rasters-eng.html
>
>
>
> Cheers,
>
> Saber
>
>
>
>
>
> *From:* qgis-user-bounces at lists.osgeo.org [mailto:
> qgis-user-bounces at lists.osgeo.org] *On Behalf Of *Leo Kris Palao
> *Sent:* 04 June 2014 06:50
> *To:* QGIS Mailing List
> *Subject:* [Qgis-user] Share Python Script for Point Analyses Tool
>
>
>
> Hi QGIS Users,
>
> I am processing multi-temporal EVI data derived from MODIS, and the number
> of datasets could be around 70 images. I have points and want to extract
> pixel values from those points. I know that the Point Analyses Tool can do
> it. However, it is cumbersome to load all the MODIS data because it takes
> too long. Is there a way to extract the pixel values from points without
> actually loading the datasets? Maybe a script (GDAL or Python) can do this.
> Can somebody help me or point me to the right blog or website where I can
> use as reference.
>
> Thanks in advance for the help.
>
> -Leo
>
>
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-- 
*LEO KRIS MARIANO PALAO*
Social Sciences Division
International Rice Research Institute
Website: www.irri.org
Mobile #: 0932-847-6644
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