[求助]TM头文件怎么认识???

<P>PRODUCT =06283058-01 WRS =118/03900 ACQUISITION DATE =20060826 SATELLITE =L5 INSTRUMENT =TM10 PRODUCT TYPE =MAP ORIENTED   PRODUCT SIZE =SUBSCENE                                                                                 TYPE OF GEODETIC PROCESSING =PRECISION  RESAMPLING =CC RAD GAINS/BIASES =  1.26880/-0.0100  2.98126/-0.0232  1.76186/-0.0078  2.81771/-0.0193  0.65277/-0.0080  3.20107/0.25994  0.44375/-0.0040 VOLUME #/# IN SET =1/1 START LINE #=    1 LINES PER VOL=58555 ORIENTATION =  0.00 PROJECTION =TM   USGS PROJECTION # =     9 USGS MAP ZONE =     0 USGS PROJECTION PARAMETERS = 6378245.000000000000000 6356863.018773047300000       1.000000000000000       0.000000000000000     117.000000000000030       0.000000000000000  500000.000000000000000       0.000000000000000       0.000000000000000       0.000000000000000       0.000000000000000       0.000000000000000       0.000000000000000       0.000000000000000       0.000000000000000 EARTH ELLIPSOID =Krassovsky           SEMI-MAJOR AXIS =6378245.000 SEMI-MINOR AXIS =6356863.019 PIXEL SIZE =25.00 PIXELS PER LINE= 9023 LINES PER IMAGE= 8365 UL 1194200.6289E 305659.7408N    758062.500   3428612.500 UR 1220315.1522E 305245.2890N    983612.511   3428612.500 LR 1215735.4875E 290000.7047N    983612.509   3219512.500 LL 1193858.5095E 290356.6471N    758062.500   3219512.500 BANDS PRESENT =1234567 BLOCKING FACTOR =   1 RECORD LENGTH = 9023 SUN ELEVATION =61 SUN AZIMUTH =126 CENTER 1212513.8684E 295335.5858N    927197.219   3316558.835  6766  4483 OFFSET=-300 REVB</P>

 自己看吧：http://glcf.umiacs.umd.edu/data/guide/namingconvention/index.shtml<br> 很详细<br>

您所列举在帖子中的东西是DHR文件，是对该图像的具体说明，包括了很多图像的基本信息。具体应用看需要。例如：import文件需要pixel per line ; line per data file<br>