Lansat in GRD and degree: Unterschied zwischen den Versionen
Aus Wiki
Chris (Diskussion | Beiträge) |
Chris (Diskussion | Beiträge) |
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| Zeile 5: | Zeile 5: | ||
geotiff to grd | geotiff to grd | ||
| − | gdal_translate LE71920262013159ASN01_B5_out.TIF -of GMT LE71920262013159ASN01_B5.grd | + | gdal_translate LE71920262013159ASN01_B5_out.TIF (-b 1) -of GMT LE71920262013159ASN01_B5.grd |
| + | |||
| + | show bands | ||
| + | |||
| + | gdalinfo | ||
| + | |||
| + | rgb to gray | ||
| + | |||
| + | gdal_translate -b 1 landsat.wgs84 -of GMT landsat.red | ||
| + | gdal_translate -b 2 landsat.wgs84 -of GMT landsat.green | ||
| + | gdal_translate -b 3 landsat.wgs84 -of GMT landsat.blue | ||
| + | |||
| + | grdmath landsat.red 255.0 DIV 0.2989 MUL landsat.green 255.0 DIV 0.5870 MUL ADD landsat.blue 255.0 DIV 0.1140 MUL ADD 255 MUL = landsat.gray | ||
| + | (intensity = 0.2989*red + 0.5870*green + 0.1140*blue) | ||
Aktuelle Version vom 13. Juni 2016, 07:22 Uhr
convert geotiff
gdalwarp LE71920262013159ASN01_B5.TIF LE71920262013159ASN01_B5_out.TIF -t_srs "+proj=longlat +ellps=WGS84"
geotiff to grd
gdal_translate LE71920262013159ASN01_B5_out.TIF (-b 1) -of GMT LE71920262013159ASN01_B5.grd
show bands
gdalinfo
rgb to gray
gdal_translate -b 1 landsat.wgs84 -of GMT landsat.red gdal_translate -b 2 landsat.wgs84 -of GMT landsat.green gdal_translate -b 3 landsat.wgs84 -of GMT landsat.blue
grdmath landsat.red 255.0 DIV 0.2989 MUL landsat.green 255.0 DIV 0.5870 MUL ADD landsat.blue 255.0 DIV 0.1140 MUL ADD 255 MUL = landsat.gray (intensity = 0.2989*red + 0.5870*green + 0.1140*blue)
