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i.tasscap(1grass) | Grass User's Manual | i.tasscap(1grass) |
NAME¶
i.tasscap - Tasseled Cap (Kauth Thomas) transformation for LANDSAT-TM dataKEYWORDS¶
raster, imagerySYNOPSIS¶
i.tasscapFlags:¶
- -4
-
- -5
-
- -7
-
- --overwrite
-
- --verbose
-
- --quiet
-
Parameters:¶
- band1=string
-
- band2=string
-
- band3=string
-
- band4=string
-
- band5=string
-
- band7=string
-
- outprefix=string
-
DESCRIPTION¶
i.tasscap calculates Tasseled Cap (Kauth Thomas, TC) transformation for LANDSAT-TM data (TM4, TM5, TM7). The following TC components are generated:-
tasscap.1: corresponds to brightness,
-
tasscap.2: corresponds to greenness,
-
tasscap.3: corresponds to wetness,
-
tasscap.4: corresponds to atmospheric haze.
EXAMPLE¶
Calculation of TC maps from North Carolina Landsat scene:band3=lsat7_2002_30 band4=lsat7_2002_40 \
band5=lsat7_2002_50 band7=lsat7_2002_70 \
REFERENCES¶
- LANDSAT-4/LANDSAT-5: TC-factor changed to CRIST et al. 1986, Proc. IGARSS 1986, p.1467
- LANDSAT-7: TASSCAP factors cited from: DERIVATION OF A
TASSELED CAP TRANSFORMATION BASED ON LANDSAT 7 AT-SATELLITE REFLECTANCE
Chengquan Huang, Bruce Wylie, Limin Yang, Collin Homer and Gregory Zylstra
Raytheon ITSS, USGS EROS Data Center Sioux Falls, SD 57198, USA
http://landcover.usgs.gov/pdf/tasseled.pdf
AUTHOR¶
Markus Neteler, ITC-irst Last changed: $Date: 2011-11-08 10:42:51 +0100 (Tue, 08 Nov 2011) $ Full index © 2003-2011 GRASS Development TeamGRASS 6.4.2 |