[Portugal] Converter JP2000 para TIF com transparência
Marco Afonso
mafonso333 gmail.com
Quarta-Feira, 19 de Outubro de 2016 - 08:20:38 PDT
Muito obrigado Pedro Monteiro :)
No dia 19 de outubro de 2016 às 15:33, Pedro Monteiro <
monteiro.s.pedro gmail.com> escreveu:
> Boa tarde,
>
> Penso que o mais simples será criar um raster virtual com transparência, e
> posteriormente fazer a conversão deste para tif
>
> Exemplo:
>
> 1. gdalbuildvrt -srcnodata "255 255 255" destino.vrt entrada.jpg
> 2. gdal_translate -of Gtiff destino.vrt destino.tif
>
> Cumprimentos,
> Pedro Monteiro
>
> On Wed, Oct 19, 2016 at 2:13 PM Marco Afonso <mafonso333 gmail.com> wrote:
>
>> Boa tarde,
>>
>> Julgo que a questão será direccionada para os GDAL masters :)
>>
>> Gostaria de saber se é possível converter um ficheiro no formato JP2000
>> para TIF com transparência. Se possível definir a côr branco (RGB 255
>> 255 255) para transparência.
>>
>> Compressão para o ficheiro de saída TIF não é requisito para já.
>>
>> Segue a informação obtida pelo GDALINFO do ficheiro de origem.
>>
>> Obrigado! :)
>>
>> Driver: JP2MrSID/MrSID JPEG2000
>> Files: pu_luz_zonamento.jp2
>> pu_luz_zonamento.jp2.ovr
>> pu_luz_zonamento.jp2.aux.xml
>> Size is 6636, 6122
>> Coordinate System is:
>> PROJCS["ETRS_1989_TM06-Portugal",
>> GEOGCS["GCS_ETRS_1989",
>> DATUM["European_Terrestrial_Reference_System_1989",
>> SPHEROID["GRS_1980",6378137,298.257222101,
>> AUTHORITY["EPSG","7019"]],
>> AUTHORITY["EPSG","6258"]],
>> PRIMEM["Greenwich",0],
>> UNIT["degree",0.0174532925199433]],
>> PROJECTION["Transverse_Mercator"],
>> PARAMETER["latitude_of_origin",39.66825833333333],
>> PARAMETER["central_meridian",-8.133108333333333],
>> PARAMETER["scale_factor",1],
>> PARAMETER["false_easting",0],
>> PARAMETER["false_northing",0],
>> UNIT["metre",1,
>> AUTHORITY["EPSG","9001"]]]
>> Origin = (37881.833519887965000,-285245.409715688320000)
>> Pixel Size = (0.169333333333329,-0.169333333333331)
>> Metadata:
>> Corder=PCRL
>> GEOTIFF_CHAR__GeogAngularUnitsGeoKey=Angular_Degree
>> GEOTIFF_CHAR__GeogGeodeticDatumGeoKey=Datum_
>> European_Reference_System_1989
>> GEOTIFF_CHAR__GeographicTypeGeoKey=User-Defined
>> GEOTIFF_CHAR__GTModelTypeGeoKey=ModelTypeProjected
>> GEOTIFF_CHAR__GTRasterTypeGeoKey=RasterPixelIsArea
>> GEOTIFF_CHAR__ProjCoordTransGeoKey=CT_TransverseMercator
>> GEOTIFF_CHAR__ProjectedCSTypeGeoKey=User-Defined
>> GEOTIFF_CHAR__ProjectionGeoKey=User-Defined
>> GEOTIFF_CHAR__ProjLinearUnitsGeoKey=Linear_Meter
>> GEOTIFF_NUM__1024__GTModelTypeGeoKey=1
>> GEOTIFF_NUM__1025__GTRasterTypeGeoKey=1
>> GEOTIFF_NUM__1026__GTCitationGeoKey=PCS Name = ETRS_1989_TM06-Portugal
>> GEOTIFF_NUM__2048__GeographicTypeGeoKey=32767
>> GEOTIFF_NUM__2049__GeogCitationGeoKey=GCS Name =
>> GCS_ETRS_1989|Ellipsoid = GRS_1980|Primem = Greenwich|
>> GEOTIFF_NUM__2050__GeogGeodeticDatumGeoKey=6258
>> GEOTIFF_NUM__2054__GeogAngularUnitsGeoKey=9102
>> GEOTIFF_NUM__2057__GeogSemiMajorAxisGeoKey=6378137.000000
>> GEOTIFF_NUM__2059__GeogInvFlatteningGeoKey=298.257222
>> GEOTIFF_NUM__2061__GeogPrimeMeridianLongGeoKey=0.000000
>> GEOTIFF_NUM__3072__ProjectedCSTypeGeoKey=32767
>> GEOTIFF_NUM__3074__ProjectionGeoKey=32767
>> GEOTIFF_NUM__3075__ProjCoordTransGeoKey=1
>> GEOTIFF_NUM__3076__ProjLinearUnitsGeoKey=9001
>> GEOTIFF_NUM__3080__ProjNatOriginLongGeoKey=-8.133108
>> GEOTIFF_NUM__3081__ProjNatOriginLatGeoKey=39.668258
>> GEOTIFF_NUM__3082__ProjFalseEastingGeoKey=0.000000
>> GEOTIFF_NUM__3083__ProjFalseNorthingGeoKey=0.000000
>> GEOTIFF_NUM__3092__ProjScaleAtNatOriginGeoKey=1.000000
>> Image Structure Metadata:
>> INTERLEAVE=PIXEL
>> Corner Coordinates:
>> Upper Left ( 37881.834, -285245.410 <285%20245%20410>) (
>> 7d42'25.13"W, 37d 5'52.09"N)
>> Lower Left ( 37881.834, -286282.068 <286%20282%20068>) (
>> 7d42'25.32"W, 37d 5'18.46"N)
>> Upper Right ( 39005.530, -285245.410 <285%20245%20410>) (
>> 7d41'39.62"W, 37d 5'51.92"N)
>> Lower Right ( 39005.530, -286282.068 <286%20282%20068>) (
>> 7d41'39.82"W, 37d 5'18.29"N)
>> Center ( 38443.682, -285763.739 <285%20763%20739>) ( 7d42'
>> 2.47"W, 37d 5'35.19"N)
>> Band 1 Block=1024x128 Type=Byte, ColorInterp=Red
>> Min=0.000 Max=255.000
>> Minimum=0.000, Maximum=255.000, Mean=236.038, StdDev=66.045
>> NoData Value=256
>> Overviews: 3318x3061, 1659x1531, 830x766, 415x383, 208x192
>> Metadata:
>> STATISTICS_COVARIANCES=4361.995430900208,2244.
>> 864802420663,3368.225850604773
>> STATISTICS_MAXIMUM=255
>> STATISTICS_MEAN=236,03793160725
>> STATISTICS_MINIMUM=0
>> STATISTICS_SKIPFACTORX=1
>> STATISTICS_SKIPFACTORY=1
>> STATISTICS_STDDEV=66,045404313247
>> Image Structure Metadata:
>> COMPRESSION=JP2000
>> Band 2 Block=1024x128 Type=Byte, ColorInterp=Green
>> Min=0.000 Max=255.000
>> Minimum=0.000, Maximum=255.000, Mean=218.476, StdDev=87.277
>> NoData Value=256
>> Overviews: 3318x3061, 1659x1531, 830x766, 415x383, 208x192
>> Metadata:
>> STATISTICS_COVARIANCES=2244.864802420663,7617.
>> 276745283226,7051.036243014802
>> STATISTICS_MAXIMUM=255
>> STATISTICS_MEAN=218,47574597805
>> STATISTICS_MINIMUM=0
>> STATISTICS_SKIPFACTORX=1
>> STATISTICS_SKIPFACTORY=1
>> STATISTICS_STDDEV=87,277011551056
>> Image Structure Metadata:
>> COMPRESSION=JP2000
>> Band 3 Block=1024x128 Type=Byte, ColorInterp=Blue
>> Min=0.000 Max=255.000
>> Minimum=0.000, Maximum=255.000, Mean=215.145, StdDev=92.105
>> NoData Value=256
>> Overviews: 3318x3061, 1659x1531, 830x766, 415x383, 208x192
>> Metadata:
>> STATISTICS_COVARIANCES=3368.225850604773,7051.
>> 036243014802,8483.403263628108
>> STATISTICS_MAXIMUM=255
>> STATISTICS_MEAN=215,14531106402
>> STATISTICS_MINIMUM=0
>> STATISTICS_SKIPFACTORX=1
>> STATISTICS_SKIPFACTORY=1
>> STATISTICS_STDDEV=92,105392152838
>> Image Structure Metadata:
>> COMPRESSION=JP2000
>>
>>
>> --
>> Regards,
>> Marco Afonso
>> http://goo.gl/ZDtQjm
>>
>> _______________________________________________
>> Portugal mailing list
>> Portugal lists.osgeo.org
>> http://lists.osgeo.org/mailman/listinfo/portugal
>
>
> _______________________________________________
> Portugal mailing list
> Portugal lists.osgeo.org
> http://lists.osgeo.org/mailman/listinfo/portugal
>
--
Regards,
Marco Afonso
http://goo.gl/ZDtQjm
-------------- próxima parte ----------
Um anexo em HTML foi limpo...
URL: <http://lists.osgeo.org/pipermail/portugal/attachments/20161019/fd5768ae/attachment.html>
Mais informações acerca da lista Portugal