Re: [Gdal-dev] Problems with RS2 driver for import to grass

2009-03-18 Thread Philippe Vachon
Hi Ben, I can't recall the exact details of how the GRASS r.in.gdal mechanism works, but the results you describe are similar to importing calibrated data into an integer raster. Calibrated SAR data is typically represented as floats, as many of the values are in [0, 1), if I am not mistaken. As s

Re: [Gdal-dev] Problems with RS2 driver for import to grass

2009-03-18 Thread Benjamin Deschamps
Phil, I am using GDAL 1.6.0-5 and GRASS 6.4.0RC3. I guess my question was more whether it was possible to keep the data in complex format, with two layers per channel for imaginary and real components. I'm having a hard time getting the image to look and have the values of a "real" radars

[Gdal-dev] Problems with RS2 driver for import to grass

2009-03-18 Thread Benjamin Deschamps
I'm having a few issues importing RADARSAT-2 data to GRASS. I used: r.in.gdal input=RADARSAT_2_CALIB:SIGMA0:/Users/Benjamin/Desktop/PK6621_DK406_FQ9_20080405_124900_HH_VV_HV_VH_SLC_(Altona_Promo)/product.xml output=altona to import the sigma nought calibrated data. For some reason this only im