TM与ETM+数据的头解读.doc

一、TM与ETM+数据的头文件解读TM数据头文件说明：以header.dat 为例PRODUCT =04292861-01 产品序号WRS =121/0300 描述TM Path/Row，即轨道号是121行号是03后面的00是移动景百分比ACQUISITION DATE =20040809 数据获取日期是2004年8月9日SATELLITE =L5 卫星编号是L5INSTRUMENT =TM10 传感器类型是TM10PRODUCT TYPE =ORBIT ORIENTED产品类型（轨道指向）PRODUCT SIZE =FULL SCENE产品规格（整景） TYPE OF GEODETIC PROCESSING =PRECISION 处理类型 (精校正 )RESAMPLING =CC采样方法 (CC)RAD GAINS/BIASES = 1.05804/-0.0134 2.58545/-0.0300 1.61277/-0.0132 3.00067/-0.0295 0.71070/-0.0093 3.20107/0.25994 0.46930/-0.0054第1-7波段最大与最小可探测辐射值VOLUME #/# IN SET =1/1磁带卷号及总卷数START LINE #= 1本卷上图像起始行号LINES PER VOL=40131本卷上图像总行数ORIENTATION =-12.84图像指向角(度)PROJECTION =TM 投影名称USGS PROJECTION # = 9 USGS 投影编号USGS MAP ZONE = 0 USGS 地图带号USGS PROJECTION PARAMETERS = 6378245.000000000000000 6356863.018773047300000 1.000000000000000 0.000000000000000 122.999999999999990 0.000000000000000 500000.000000000000000 0.000000000000000 0.000000000000000 0.000000000000000 0.000000000000000 0.000000000000000 0.000000000000000 0.000000000000000 0.000000000000000 USGS 投影参数. 各项含义依所用投影而变化EARTH ELLIPSOID =Krassovsky 所用椭球模型SEMI-MAJOR AXIS =6378245.000椭球长半轴(米) SEMI-MINOR AXIS =6356863.019椭球短半轴(米) PIXEL SIZE =30.00 象元大小(米)PIXELS PER LINE= 6754每行象元数LINES PER IMAGE= 5733图像行数UL 1194538.7232E 440610.0965N 左上角经纬度值(按度分秒表示)240632.794 4890436.796左上角公里网值(米,东西向和南北向)UR 1221356.1716E 434427.2536N 右上角经纬度值(按度分秒表示)438154.840 4845406.256左上角公里网值(米,东西向和南北向)LR 1214716.4055E 421340.5352N 右下角经纬度值(按度分秒表示)399932.560 4677747.975右下角公里网值(米,东西向和南北向)LL 1192230.5577E 423456.3751N 左下角经纬度值(按度分秒表示)202410.513 4722778.516左下角公里网值(米,东西向和南北向)BANDS PRESENT =1234567 本卷所含波段为1-7BLOCKING FACTOR = 1磁带上每块所含记录数RECORD LENGTH = 6754每个记录长度SUN ELEVATION =56景中心太阳高度角(度)SUN AZIMUTH =135景中心太阳方位角(度)CENTER 1204052.8210E 425511.6443N 景中心经纬度值(按度分秒表示)310681.749 4756514.838 景中心公里网值(米,东西向和南北向)3270 3834从产品左上角算起, 景中心所在位置的列数和行数OFFSET= 141真实景中心与标称景中心在水平向上所差象元数REVB格式编码(A-Z)ETM+头文件的说明：第一个头文件以L71121030_03020000603_HPN.FST为例第8波段-全色波段，空间分辨率是15mREQ ID =20001950414 产品序号LOC =121/0300000 描述Landsat-7的Path/Row，即轨道号是121行号是03后面的00000是移动景百分比ACQUISITION DATE =20000603 数据获取时间SATELLITE =LANDSAT7 卫星编号SENSOR =ETM+ 传感器类型SENSOR MODE =NORMAL 传感器模式正常LOOK ANGLE = 0.00观测角LOCATION = ACQUISITION DATE = SATELLITE = SENSOR = SENSOR MODE = LOOK ANGLE = 0.00LOCATION = ACQUISITION DATE = SATELLITE = SENSOR = SENSOR MODE = LOOK ANGLE = 0.00LOCATION = ACQUISITION DATE = SATELLITE = SENSOR = SENSOR MODE = LOOK ANGLE = 0.00PRODUCT TYPE =ORBIT_ORIENTED 产品类型 (轨道指向)PRODUCT SIZE =FULL SCENE 产品规格 (整景)TYPE OF PROCESSING =SYSTEMATIC 处理类型 (系统校正)RESAMPLING =CC采样方法 (CC) VOLUME #/# IN SET = 1/ 1磁带卷号及总卷数PIXELS PER LINE =13933每行象元数LINES PER BAND =11929/11929 图像行数START LINE # = 0本卷上图像起始行号BLOCKING FACTOR = 1磁带上每块所含记录数REC SIZE = 13933 PIXEL SIZE = 15.00象元大小(米)OUTPUT BITS PER PIXEL = 8 输出的每象元占字节8位ACQUIRED BITS PER PIXEL = 8 获取的每象元占字节8位 BANDS PRESENT =8 本卷所含波段为第8波段 FILENAME =L71121030_03020000603_B80.FST 第8波段文件名FILENAME = FILENAME = FILENAME = FILENAME = FILENAME = REV L7A格式编码(A-Z)GAINS AND BIASES IN ASCENDING BAND NUMBER ORDER -6.199999809265137 0.786274521023619最大与最小可探测辐射值 中间省略很多空字符GEOMETRIC DATA MAP PROJECTION =TM 投影编号ELLIPSOID =KRASSOVSKY 所用椭球模型 DATUM =KRASSOUSGS PROJECTION PARAMETERS = 6378245.0000000000000 6356863.0187999997000 1.0000000000000 0.0000000000000 123000000.0000000000000 0.0000000000000 500000.0000000000000 0.0000000000000 0.0000000000000 0.0000000000000 0.0000000000000 0.0000000000000 0.0000000000000 0.0000000000000 0.0000000000000 USGS 投影参数. 各项含义依所用投影而变化USGS MAP ZONE = 0 USGS 地图带号 UL = 1193915.6422E 440903.1615N 232329.531 4896119.997 UR = 1221222.4645E 434647.2443N 436099.389 4849746.669 LR = 1214443.8226E 421219.1502N 396396.470 4675287.377 LL = 1191524.5709E 423406.4414N 192626.613 4721660.705 CENTER = 1204260.0000E 431060.0000N 314363.001 4785703.687 6965 5963 同TM数据的头文件OFFSET = 0真实景中心与标称景中心在水平向上所差象元数ORIENTATION ANGLE =-12.82 图像指向角(度) SUN ELEVATION ANGLE =63.0景中心太阳高度角(度)SUN AZIMUTH ANGLE =133.8 景中心太阳方位角(度)第二个头文件以L71121030_03020000603_HRF.FST为例1-5和7波段-多光谱波段，空间分辨率是30mREQ ID =20001950414 LOC =121/0300000 ACQUISITION DATE =20000603 SATELLITE =LANDSAT7 SENSOR =ETM+ SENSOR MODE =NORMAL LOOK ANGLE = 0.00 LOCATION = ACQUISITION DATE = SATELLITE = SENSOR = SENSOR MODE = LOOK ANGLE = 0.00 LOCATION = ACQUISITION DATE = SATELLITE = SENSOR = SENSOR MODE = LOOK ANGLE = 0.00 LOCATION = ACQUISITION DATE = SATELLITE = SENSOR = SENSOR MODE = LOOK ANGLE = 0.00PRODUCT TYPE =ORBIT_ORIENTED PRODUCT SIZE =FULL SCENE TYPE OF PROCESSING =SYSTEMATIC RESAMPLING =CC VOLUME #/# IN SET = 1/ 1 PIXELS PER LINE = 6967 LINES PER BAND = 5965/ 5965 每行象元数与图像行数与第8波段图像有区别START LINE # = 0 BLOCKING FACTOR = 1 REC SIZE = 6967 PIXEL SIZE = 30.00象元大小有区别OUTPUT BITS PER PIXEL = 8 ACQUIRED BITS PER PIXEL = 8 以上文件内容意义同上，在此省略 BANDS PRESENT =123457 本卷所含波段为1-5和7波段 FILENAME =L71121030_03020000603_B10.FSTFILENAME =L71121030_03020000603_B20.FST FILENAME =L71121030_03020000603_B30.FSTFILENAME =L71121030_03020000603_B40.FST FILENAME =L71121030_03020000603_B50.FSTFILENAME =L71121030_03020000603_B70.FST 共是6个波段的文件名 REV L7AGAINS AND BIASES IN ASCENDING BAND NUMBER ORDER -6.199999809265137 0.786274521023619 -6.000000000000000 0.817254878025429 -4.500000000000000 0.639607867072610 -4.500000000000000 0.939215686274510 -1.000000000000000 0.128470589132870 -0.349999994039536 0.044243137859831 第1-5和第7波段的最大与最小可探测辐射值 中间省略很多空字符GEOMETRIC DATA MAP PROJECTION =TM ELLIPSOID =KRASSOVSKY DATUM =KRASSOUSGS PROJECTION PARAMETERS = 6378245.0000000000000 6356863.0187999997000 1.0000000000000 0.0000000000000 123000000.0000000000000 0.0000000000000 500000.0000000000000 0.0000000000000 0.0000000000000 0.0000000000000 0.0000000000000 0.0000000000000 0.0000000000000 0.0000000000000 0.0000000000000USGS MAP ZONE = 0 UL = 1193915.6422E 440903.1615N 232329.531 4896119.997 UR = 1221222.4645E 434647.2443N 436099.389 4849746.669 LR = 1214443.8226E 421219.1502N 396396.470 4675287.377 LL = 1191524.5709E 423406.4414N 192626.613 4721660.705 CENTER = 1204260.0000E 431060.0000N 314363.001 4785703.687 3482 2981 OFFSET = 0 ORIENTATION ANGLE =-12.82 SUN ELEVATION ANGLE =63.0 SUN AZIMUTH ANGLE =133.8 其余同上一个头文件 第三个头文件，以L71121030_03020000603_HTM.FST为例第6波段-热红外波段，空间分辨率120米（由两个数据组成）REQ ID =20001950414 LOC =121/0300000 ACQUISITION DATE =20000603 SATELLITE =LANDSAT7 SENSOR =ETM+ SENSOR MODE =NORMAL LOOK ANGLE = 0.00 LOCATION = ACQUISITION DATE = SATELLITE = SENSOR = SENSOR MODE = LOOK ANGLE = 0.00 LOCATION = ACQUISITION DATE = SATELLITE = SENSOR = SENSOR MODE = LOOK ANGLE = 0.00 LOCATION = ACQUISITION DATE = SATELLITE = SENSOR = SENSOR MODE = LOOK ANGLE = 0.00PRODUCT TYPE =ORBIT_ORIENTED PRODUCT SIZE =FULL SCENE TYPE OF PROCESSING =SYSTEMATIC RESAMPLING =CC VOLUME #/# IN SET = 1/ 1 PIXELS PER LINE = 3484 LINES PER BAND = 2983/ 2983 START LINE # = 0 BLOCKING FACTOR = 1 REC SIZE = 3484 PIXEL SIZE = 60.00象元大小60米OUTPUT BITS PER PIXEL = 8 ACQUIRED BITS PER PIXEL = 8 BANDS PRESENT =LH 本卷所含波段是LH波段 FILENAME =L71121030_03020000603_B61.FSTFILENAME =L71121030_03020000603_B62.FST 波段文件名FILENAME = FILENAME = FILENAME = FILENAME = REV L7AGAINS AND BIASES IN ASCENDING BAND NUMBER ORDER 0.000000000000000 0.066823533002068 3.200000047683716 0.037058821846457 波段的最大与最小可探测辐射值 此处省略很多空字符 GEOMETRIC DATA MAP PROJECTION =TM ELLIPSOID =KRASSOVSKY DATUM =KRASSO大地基准面USGS PROJECTION PARAMETERS = 6378245.0000000000000 6356863.018799