6

I am trying to import some GDAL supported raster files into a binary raster map layer using the r.in.gdal module from QGis Grass tool.

As I have multiple files to import, I would like to batch import them.

Is is possible or should do I have to repeat the same operation for every single file?

I work with QGis 1.8.0 Lisboa.

  • 1
    We assume Windows OS? – nickves Nov 16 '12 at 8:31
  • 1
    Yes, sorry, Windows 7. – Bap Nov 16 '12 at 17:29
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Just for the record, the GRASS graphical user interface offers a convenient bulk import tool: http://grasswiki.osgeo.org/wiki/Importing_data#Bulk_data_import

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4

You can easily do this using QGIS python console. To get Python Console

QGIS 1.8.0 Lisboa -> Plugins -> Python Console

Find the attached screenshot which loads all files(vector - shape) from a specific directory QGIS bactch load layers

Below is the code for loading vectors.

shp_path="C:\\Users\\rashad\\Documents\\kerala"
shps = glob.glob(os.path.join(shp_path,"*.shp"))
for shp in shps:
    (shpdir, shpfile) = os.path.split(shp)
    qgis.utils.iface.addVectorLayer(shp, shpfile, 'ogr' )

For your purpose you need to modify a bit

raster_path="C:\\Users\\rashad\\Documents\\all_raster_maps"

#you can say other extension or *.*
rasts = glob.glob(os.path.join(raster_path,"*.tif")) 
for rast in rasts:
    (rastdir, rastfile) = os.path.split(rast)
    qgis.utils.iface.addRasterLayer(rastfile, "raster")

Hope that helps

  • I had a few problems with the Python code (probably because I had never used Python before...), so I used the GRASS interface. It works really well. Thank you! – Bap Nov 19 '12 at 22:57

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