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Is it possible to convert in QGIS a GRD file (that was created in MapInfo) into an ASC file (that can be imported into SAGA)?

Is it possible to "extract by mask" a section of a GRD file in an other format than GeoTiff in QGIS?

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There are more than 1 type of GRD file. What software was this file created in? –  Jakub Feb 13 '13 at 16:23
    
It was created in MapInfo –  user15158 Feb 13 '13 at 17:24
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Just try to add it to QGis as a new raster. If your file-format is in this list and supported by GDAL, then it will probably also be accessible in QGis.

You can "extract by mask" with the Gdal clipper tool. See this blog post for an example.

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