On Mon, Feb 5, 2018 at 1:14 PM, Veronica Andreo <[email protected]> wrote: > > I tested also with 74 release branch... same result > > 2018-02-05 13:05 GMT+01:00 Veronica Andreo <[email protected]>: >> >> Hi devs >> >> I'm testing Martin's new add-on, r.sentinel.import. I created an UTM21S location for my data and imported them with: >> >> r.sentinel.import input=Downloads/S2B_MSIL1C_20171212T134159_N0206_R124_T21KZP_20171212T201017.SAFE/GRANULE/L1C_T21KZP_A004011_20171212T134158/IMG_DATA/ >> >> The problem arose when I tried to use i.color.enhance to display an RGB: I got blank screens, so I thought there must be something with the range of values. >> >> r.univar map=T21KZP_20171212T134159_B02@PERMANENT
>> total null and non-null cells: 120560400 >> total null cells: 0 >> Of the non-null cells: >> ---------------------- >> n: 120560400 >> minimum: 15 >> maximum: 17547 >> range: 17532 >> mean: 913.778 >> mean of absolute values: 913.778 >> standard deviation: 134.322 >> variance: 18042.4 >> variation coefficient: 14.6996 % >> sum: 110165471238 >> >> that already seemed odd... >> I checked the original band2 jp2 file... Values are different... >> >> gdalinfo T21KZP_20171212T134159_B02.jp2 >> Driver: JP2OpenJPEG/JPEG-2000 driver based on OpenJPEG library >> Files: T21KZP_20171212T134159_B02.jp2 >> ... >> Band 1 Block=1024x1024 Type=UInt16, ColorInterp=Gray >> Min=602.000 Max=1576.000 >> Minimum=602.000, Maximum=1576.000, Mean=916.799, StdDev=123.509 >> Overviews: 5490x5490, 2745x2745, 1372x1372, 686x686 >> Overviews: arbitrary >> Metadata: >> STATISTICS_MAXIMUM=1576 >> STATISTICS_MEAN=916.7992 >> STATISTICS_MINIMUM=602 >> STATISTICS_STDDEV=123.50943477872 >> Image Structure Metadata: >> COMPRESSION=JPEG2000 >> NBITS=15 Can you try again with gdalinfo -mm? This forces computation of the actual min/max values, which can differ from what is stored in the metadata (an approximation). There can also be something wrong with i.color.enhance Markus M >> >> Just to check, I imported with r.in.gdal and I'm getting exactly the same as with r.sentinel.import. >> >> What am I doing wrong here? Why would r.in.gdal change values like that? What else needs to be set? I don't remember to have this problem before and it happens in all bands as far as I've checked. >> >> Ah, I'm using trunk r72203 >> >> Thanks in advance for any help :) >> >> Cheers, >> Vero >> >> >> > > > _______________________________________________ > grass-dev mailing list > [email protected] > https://lists.osgeo.org/mailman/listinfo/grass-dev
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