Incluyo dos capturas de pantalla, para explicarme mejor: Esta es la imagen que se muestra: http://dl.dropbox.com/u/4582191/Pantallazo1.png
Y esta es la banda 1 que se debiera mostrar: http://dl.dropbox.com/u/4582191/Pantallazo2.png Debo modificar algo de la cabecera para que se muestre correctamente? Hay algún modo de modificar la importación? Saludos. Iñaki <[email protected]> escribió: > Hola, > > quiero hacer una consulta porque estoy teniendo problemas a la hora de > importar un raster en gvsig. > > La versión que uso es la 1.11.0, sobre windows XP, si bien cuando > intento cargar la misma imagen usando gvsig 1.11.0 sobre ubuntu obtengo > una ventana de "error en la carga de la capa". > > El problema es que la imagen que se muestra en la capa (añadir capa -> > archivo -> añadir -> Archivo de tipo gvsig Raster Driver), presenta > alteraciones respecto a la imagen que se debiera mostrar. Aparece como > si estuviera pixelada y con colores... > > Mi intención es aplicar diferentes cálculos y ratios entre las bandas de > la imagen mediante SEXTANTE, pero por el momento me es imposible > trabajar sobre ésta. Me gustaría saber si hay algún modo de modificar > las opciones por las que se carga el raster, de modo que pueda > ajustarlas a las especificaciones de mi archivo. > > El archivo es un img, con formato PDS, con 5 bandas. > Os adjunto la cabecera de la imagen que intento cargar, por si a alguien > le da alguna pista. > > Muchas gracias! > > > PDS_VERSION_ID = "PDS3" > /*** FILE FORMAT ***/ > RECORD_TYPE = "UNDEFINED" > FILE_NAME = "MVA_2B2_01_02066N229E3135.img" > PRODUCT_ID = "MVA_2B2_01_02066N229E3135" > DATA_FORMAT = "PDS" > > /*** POINTERS TO START BYTE OFFSET OF OBJECTS IN FILE ***/ > ^IMAGE = 7850 <BYTES> > > /*** GENERAL DATA DESCRIPTION PARAMETERS ***/ > SOFTWARE_NAME = "RGC_TC_MI" > SOFTWARE_VERSION = "2.6.0" > PROCESS_VERSION_ID = "L2B" > PRODUCT_CREATION_TIME = 2009-11-11T18:30:36Z > PROGRAM_START_TIME = 2009-11-11T15:50:25Z > PRODUCER_ID = "LISM" > PRODUCT_SET_ID = "MI-VIS_Level2B2" > PRODUCT_VERSION_ID = "01" > REGISTERED_PRODUCT = "Y" > LEVEL2A_FILE_NAME = "MV52A0_02NS02066_003_0072.img" > SPICE_METAKERNEL_FILE_NAME = > "RGC_INF_TCv301IK_MIv104IK_SPv104IK_RISE100g_de421_091007.mk" > > /*** SCENE RELATED PARAMETERS ***/ > MISSION_NAME = "SELENE" > SPACECRAFT_NAME = "SELENE-M" > DATA_SET_ID = "MI-VIS_Level2B" > INSTRUMENT_NAME = "Multiband Imager Visible" > INSTRUMENT_ID = "MI-VIS" > MISSION_PHASE_NAME = "Nominal" > REVOLUTION_NUMBER = 2066 > STRIP_SEQUENCE_NUMBER = 3 > SCENE_SEQUENCE_NUMBER = 72 > UPPER_LEFT_DAYTIME_FLAG = "Day" > UPPER_RIGHT_DAYTIME_FLAG = "Day" > LOWER_LEFT_DAYTIME_FLAG = "Day" > LOWER_RIGHT_DAYTIME_FLAG = "Day" > TARGET_NAME = "MOON" > OBSERVATION_MODE_ID = "NORMAL" > SENSOR_DESCRIPTION = "MI is a multiband push-broom > imaging camera consisting of VIS(V) and NIR(N) sensors (each has > nadir-directed optics of f number 65 mm and F ratio 3.7). Detector pixel > sizes in micron are 13(V) and 40(N)." > SENSOR_DESCRIPTION2 = "Physical band arrangement [from > satellite -x to +x] are VIS1>VIS2>VIS5>VIS4>VIS3 and > NIR3>NIR4>NIR1>NIR2. Parallax between nearest band sets [degree] are 2.7 > for VIS and 2.6 for NIR. Sampling time [msec] are 13 for VIS and 39 for > NIR." > DETECTOR_STATUS = > {"TC1:OFF","TC2:OFF","MV:ON","MN:ON","SP:ON"} > EXPOSURE_MODE_ID = "SHORT" > LINE_EXPOSURE_DURATION = 1.329700 <msec> > SPACECRAFT_CLOCK_START_COUNT = 890568072.3040 <sec> > SPACECRAFT_CLOCK_STOP_COUNT = 890568084.7700 <sec> > CORRECTED_SC_CLOCK_START_COUNT = 890568072.298996 <sec> > CORRECTED_SC_CLOCK_STOP_COUNT = 890568084.765976 <sec> > START_TIME = 2008-03-26T12:01:17.493998Z > STOP_TIME = 2008-03-26T12:01:29.959998Z > CORRECTED_START_TIME = 2008-03-26T12:01:17.488994Z > CORRECTED_STOP_TIME = 2008-03-26T12:01:29.955974Z > LINE_SAMPLING_INTERVAL = 13.000000 <msec> > CORRECTED_SAMPLING_INTERVAL = 12.999980 <msec> > UPPER_LEFT_LATITUDE = 23.258831 <deg> > UPPER_LEFT_LONGITUDE = 313.889972 <deg> > UPPER_RIGHT_LATITUDE = 23.259324 <deg> > UPPER_RIGHT_LONGITUDE = 313.192215 <deg> > LOWER_LEFT_LATITUDE = 22.626003 <deg> > LOWER_LEFT_LONGITUDE = 313.885384 <deg> > LOWER_RIGHT_LATITUDE = 22.626580 <deg> > LOWER_RIGHT_LONGITUDE = 313.190846 <deg> > LOCATION_FLAG = "D" > ROLL_CANT = "NO" > SCENE_CENTER_LATITUDE = 22.942874 <deg> > SCENE_CENTER_LONGITUDE = 313.539450 <deg> > INCIDENCE_ANGLE = 22.944 <deg> > EMISSION_ANGLE = 0.252 <deg> > PHASE_ANGLE = 23.193 <deg> > SOLAR_AZIMUTH_ANGLE = 198.257 <deg> > FOCAL_PLANE_TEMPERATURE = 21.42 <degC> > TELESCOPE_TEMPERATURE = 18.42 <degC> > SATELLITE_MOVING_DIRECTION = "-1" > FIRST_SAMPLED_LINE_POSITION = "UPPERMOST" > FIRST_DETECTOR_ELEMENT_POSITION = "LEFT" > A_AXIS_RADIUS = 1737.400 <km> > B_AXIS_RADIUS = 1737.400 <km> > C_AXIS_RADIUS = 1737.400 <km> > DEFECT_PIXEL_POSITION = ("N/A", "N/A", "N/A", "N/A", "N/A") > > /*** CAMERA RELATED PARAMETERS ***/ > FILTER_NAME = ("MV1", "MV2", "MV3", "MV4", "MV5") > CENTER_FILTER_WAVELENGTH = (414.0, 749.0, 901.0, 950.0, > 1001.0) <nm> > BANDWIDTH = (20.0, 12.0, 21.0, 30.0, 42.0) <nm> > BASE_BAND = "MV5" > SPACECRAFT_ALTITUDE = 101.377 <km> > SPACECRAFT_GROUND_SPEED = 1.541 <km/sec> > > /*** DESCRIPTION OF OBJECTS CONTAINED IN THE FILE ***/ > > OBJECT = IMAGE > NOMINAL_LINE_NUMBER = 864 > NOMINAL_OVERLAP_LINE_NUMBER = 96 > OVERLAP_LINE_NUMBER = 96 > BANDS = 5 > BAND_STORAGE_TYPE = "BAND SEQUENTIAL" > LINES = 960 > LINE_SAMPLES = 962 > SAMPLE_TYPE = "MSB_INTEGER" > SAMPLE_BITS = 16 > IMAGE_VALUE_TYPE = "RADIANCE" > UNIT = "W/m**2/micron/sr" > SCALING_FACTOR = 1.30000e-02 > OFFSET = 0.00000e+00 > MIN_FOR_STATISTICAL_EVALUATION = (0, 0, 0, 0, 0) > MAX_FOR_STATISTICAL_EVALUATION = (32767, 32767, 32767, 32767, 32767) > SCENE_MAXIMUM_DN = (5355, 6815, 4778, 4197, 3944) > SCENE_MINIMUM_DN = (1486, 2424, 1566, 1480, 1399) > SCENE_AVERAGE_DN = (1848.1, 2956.9, 1944.6, 1835.6, > 1766.2) > SCENE_STDEV_DN = (210.5, 323.4, 234.0, 219.5, 214.8) > SCENE_MODE_DN = (1704, 2714, 1765, 1666, 1606) > SHADOWED_AREA_MINIMUM = (0, 0, 0, 0, 0) > SHADOWED_AREA_MAXIMUM = (327, 327, 327, 327, 327) > SHADOWED_AREA_PERCENTAGE = (0, 0, 0, 0, 0) > INVALID_TYPE = ("SATURATION" , "MINUS" , > "DUMMY_DEFECT" , "OTHER") > INVALID_VALUE = (-20000 , -21000 , -22000 , -23000) > INVALID_PIXELS = ((0 , 0 , 0 , 0), (0 , 0 , 0 , > 0), (0 , 0 , 0 , 0), (0 , 0 , 0 , 0), (0 , 0 , 0 , 0)) > OUT_OF_IMAGE_BOUNDS_VALUE = -30000 > OUT_OF_IMAGE_BOUNDS_PIXELS = (3378, 2742, 3341, 2673, 0) > END_OBJECT = IMAGE > > OBJECT = PROCESSING_PARAMETERS > DARK_FILE_NAME = "MIV_DRK_01923_02268_S___002.csv" > FT_FILE_NAME = "MIV_FTF_PRFLT_N___v01.csv" > FLAT_FILE_NAME = "MIV_FLT_01923_02268_N___002.csv" > EFFIC_FILE_NAME = "MIV_EFF_PRFLT_N___v01.csv" > NONLIN_FILE_NAME = "MIV_NLT_PRFLT_N___v01.csv" > RAD_CNV_COEF = (1.470593, 2.204781, 2.244315, > 2.734361, 1.885889) <W/m**2/micron/sr> > RESAMPLING_METHOD = "Bi-Linear" > L2A_DEAD_PIXEL_THRESHOLD = (35, 35, 35, 35, 35) > L2A_SATURATION_THRESHOLD = (1023, 1023, 1023, 1023, 1023) > DARK_VALID_MINIMUM = (-3, -3, -3, -3, -3) > FT_VALID_MINIMUM = -2 > RADIANCE_SATURATION_THRESHOLD = 425.971000 <W/m**2/micron/sr> > END_OBJECT = PROCESSING_PARAMETERS > END > _______________________________________________ > gvSIG_usuarios mailing list > [email protected] > > Para ver histórico de mensajes, editar sus preferencias de usuario o > darse de baja en esta lista, acuda a la siguiente dirección: > > http://listserv.gva.es/cgi-bin/mailman/listinfo/gvsig_usuarios > _______________________________________________ gvSIG_usuarios mailing list [email protected] Para ver histórico de mensajes, editar sus preferencias de usuario o darse de baja en esta lista, acuda a la siguiente dirección: http://listserv.gva.es/cgi-bin/mailman/listinfo/gvsig_usuarios
