想问大家TM影像文件头的问题

<P>PRODUCT =01157288-01 WRS =122/04400 ACQUISITION DATE =19860730 SATELLITE =L5 INSTRUMENT =TM10 PRODUCT TYPE =ORBIT ORIENTED PRODUCT SIZE =FULL SCENE                                                                               TYPE OF GEODETIC PROCESSING =SYSTEMATIC RESAMPLING =CC RAD GAINS/BIASES =  0.99992/-0.0100  2.42430/-0.0232  1.36344/-0.0078  2.62901/-0.0193  0.58771/-0.0080  3.20107/0.25994  0.38674/-0.0040 VOLUME #/# IN SET =1/1 START LINE #=    1 LINES PER VOL=40131 ORIENTATION = -7.86 PROJECTION =TM   USGS PROJECTION # =     9 USGS MAP ZONE =     0 USGS PROJECTION PARAMETERS = 6378245.000000000000000 6356863.018773047300000       1.000000000000000       0.000000000000000     110.999973087387080       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 =30.00 PIXELS PER LINE= 6550 LINES PER IMAGE= 5733 UL 1124059.8401E 240126.1687N    671268.152   2659011.552 UR 1143514.2891E 234455.7622N    865890.884   2632133.059 LR 1141909.0878E 221306.5304N    842365.533   2461789.878 LL 1122608.0438E 222919.3187N    647742.801   2488668.371 BANDS PRESENT =1234567 BLOCKING FACTOR =   1 RECORD LENGTH = 6550 SUN ELEVATION =58 SUN AZIMUTH = 91 CENTER 1133002.7072E 230649.9674N    756231.602   2559390.840  3261  2903 OFFSET=-165 REVB</P>
<P>上面的是下载和TM影像文件头，怎么看行列数和投影信息呢？谢谢!</P>

<P>5733行</P>
<P>6550列</P>
<P>太阳高度角58</P>
<P>太阳方位角91</P>

<P>ACQUISITION DATE  获取日期</P>
<P>PIXELS PER LINE 列</P>
<P>LINES PER IMAGE 行</P>
<P>SUN ELEVATION 太阳高度角</P>
<P>SUN AZIMUTH   太阳方位角</P>

<P>EARTH ELLIPSOID =Krassovsky    投影椭球体       </P>
<P>SEMI-MAJOR AXIS =6378245.000 SEMI-MINOR AXIS =6356863.019 </P>
<P>半长轴、半短轴</P>

<P>PROJECTION =TM  横轴莫卡托投影</P>
<P>EARTH ELLIPSOID =Krassovsky    椭球体</P>