[Gimp-user] loading jp2 images

[mlorenzo2408 <forums gimpusers com>]

> This is simply not true. GIMP has been able to open jp2 files for
> quite some time.
>
> It simply means that you're missing jp2 filetype from your GIMP build.
>
> On Mon, Jan 27, 2020 at 10:26 AM Adrian Midgley via gimp-user-list <
> gimp-user-list gnome org> wrote:


I can open jp2 files... my problem is it loads the wrong layer and I get the
greyscale image and not the color image...
GIMP Image Properties: 
  Number of layers: 1
  Number of channels: 0


qgis raster information
Processing algorithm…
Algorithm 'Raster information' starting…
Input parameters:
{ 'INPUT' : '/data/strider/USGS/m_3807862_nw_17_1_20160620_20160928.jp2',
'MIN_MAX' : False, 'NOGCP' : False, 'NO_METADATA' : False, 'OUTPUT' :
'/tmp/processing_9a89c052ba9141adb2ce4ccb1d801440/691bfc0de6f54f44b98f1b1284445003/OUTPUT.html',
'STATS' : True }

GDAL command:
gdalinfo -stats /data/strider/USGS/m_3807862_nw_17_1_20160620_20160928.jp2
GDAL command output:
Warning 1: Empty SOT marker detected: Psot=12.



Driver: JP2OpenJPEG/JPEG-2000 driver based on OpenJPEG library

Files: /data/strider/USGS/m_3807862_nw_17_1_20160620_20160928.jp2

Size is 6964, 8847

Coordinate System is:

PROJCS["WGS_1984_Web_Mercator_Auxiliary_Sphere",

GEOGCS["GCS_WGS_1984",

DATUM["D_WGS_1984",

SPHEROID["WGS_1984",6378137.0,298.257223563]],

PRIMEM["Greenwich",0.0],

UNIT["Degree",0.0174532925199433]],

PROJECTION["Mercator_Auxiliary_Sphere"],

PARAMETER["False_Easting",0.0],

PARAMETER["False_Northing",0.0],

PARAMETER["Central_Meridian",0.0],

PARAMETER["Standard_Parallel_1",0.0],

PARAMETER["Auxiliary_Sphere_Type",0.0],

UNIT["Meter",1.0],

EXTENSION["PROJ4","+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0
+x_0=0.0 +y_0=0 +k=1.0 +units=m +nadgrids=@null +wktext +no_defs"]]

Origin = (-8724668.827568912878633,4597102.853592671453953)

Pixel Size = (1.000000000000000,-1.000000000000000)

Image Structure Metadata:

INTERLEAVE=PIXEL

Corner Coordinates:

Upper Left (-8724668.828, 4597102.854) ( 78d22'30.12"W, 38d 7'30.09"N)

Lower Left (-8724668.828, 4588255.854) ( 78d22'30.12"W, 38d 3'44.93"N)

Upper Right (-8717704.828, 4597102.854) ( 78d18'44.91"W, 38d 7'30.09"N)

Lower Right (-8717704.828, 4588255.854) ( 78d18'44.91"W, 38d 3'44.93"N)

Center (-8721186.828, 4592679.354) ( 78d20'37.52"W, 38d 5'37.53"N)

Band 1 Block=4096x4096 Type=Byte, ColorInterp=Undefined

Minimum=20.000, Maximum=255.000, Mean=101.694, StdDev=40.596

Overviews: 3482x4423, 1741x2211, 870x1105, 435x552, 217x276, 108x138, 54x69

Overviews: arbitrary

Metadata:

STATISTICS_MAXIMUM=255

STATISTICS_MEAN=101.69407488086

STATISTICS_MINIMUM=20

STATISTICS_STDDEV=40.59638080412

STATISTICS_VALID_PERCENT=100

Image Structure Metadata:

COMPRESSION=JPEG2000

Band 2 Block=4096x4096 Type=Byte, ColorInterp=Undefined

Minimum=35.000, Maximum=255.000, Mean=125.952, StdDev=39.031

Overviews: 3482x4423, 1741x2211, 870x1105, 435x552, 217x276, 108x138, 54x69

Overviews: arbitrary

Metadata:

STATISTICS_MAXIMUM=255

STATISTICS_MEAN=125.95178002752

STATISTICS_MINIMUM=35

STATISTICS_STDDEV=39.030505404576

STATISTICS_VALID_PERCENT=100

Image Structure Metadata:

COMPRESSION=JPEG2000

Band 3 Block=4096x4096 Type=Byte, ColorInterp=Undefined

Minimum=36.000, Maximum=255.000, Mean=106.175, StdDev=27.473

Overviews: 3482x4423, 1741x2211, 870x1105, 435x552, 217x276, 108x138, 54x69

Overviews: arbitrary

Metadata:

STATISTICS_MAXIMUM=255

STATISTICS_MEAN=106.17547686833

STATISTICS_MINIMUM=36

STATISTICS_STDDEV=27.473481480161

STATISTICS_VALID_PERCENT=100

Image Structure Metadata:

COMPRESSION=JPEG2000

Band 4 Block=4096x4096 Type=Byte, ColorInterp=Undefined

Minimum=0.000, Maximum=255.000, Mean=194.452, StdDev=58.036

Overviews: 3482x4423, 1741x2211, 870x1105, 435x552, 217x276, 108x138, 54x69

Overviews: arbitrary

Metadata:

STATISTICS_MAXIMUM=255

STATISTICS_MEAN=194.45181971231

STATISTICS_MINIMUM=0

STATISTICS_STDDEV=58.035617609829

STATISTICS_VALID_PERCENT=100


-- 
mlorenzo2408 (via www.gimpusers.com/forums)