ROI_PAC--use_rsc.pl使用说明

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use_rsc.pl用于读取rsc文件中指定的参数值，下面给出了使用案例。工作目录下放有930110-950523.int、930110-950523.int.rsc两个文件。

#!/usr/bin/perl$] >= 5.004 or die "Perl version must be >= 5.004 (Currently $]).\n";use Env qw(INT_SCR INT_BIN);use lib "$INT_SCR";  #### Location of Generic.pmuse Generic;$RANGE_PIXEL_SIZE = `use_rsc.pl 930110-950523.int read RANGE_PIXEL_SIZE`;$WIDTH  = `use_rsc.pl 930110-950523.int read WIDTH`;$FILE_LENGTH =Use_rsc "930110-950523.int read FILE_LENGTH";$FILE_LENGTH1 =Use_rsc "930110-950523.int.rsc read FILE_LENGTH";print "RANGE_PIXEL_SIZE=", $RANGE_PIXEL_SIZE;print "\n";print "WIDTH=",$WIDTH;print "\n";print "第一种形式：FILE_LENGTH=",$FILE_LENGTH;print "\n";print "第二种形式 ：FILE_LENGTH1=",$FILE_LENGTH1;print "\n";

930110-950523.int.rsc文件内容如下：

FILE_LENGTH                              2593                          STARTING_RANGE1                          827060.454131825              STARTING_RANGE                           827060.454131825              STARTING_RANGE2                          827060.454131825              WIDTH                                    5700                          XMIN                                     0                             XMAX                                     5700                          YMIN                                     0                             YMAX                                     2592                          RANGE_PIXEL_SIZE                         7.9048902811596               AZIMUTH_PIXEL_SIZE                       22.4796247305407              DELTA_LINE_UTC                           0.00297640581466              FIRST_LINE_UTC                           66327.1431524974              CENTER_LINE_UTC                          66331.5919862686              LAST_LINE_UTC                            66336.0408200398              SLC_RELATIVE_YMIN                        0                             RLOOKS                                   1                             ALOOKS                                   5                             TIME_SPAN_YEAR                           2.36892539356605              ORBIT_NUMBER                             0-0                           DATE12                                   930110-950523                 DATE                          930110                        FIRST_LINE_YEAR               1993                          FIRST_LINE_MONTH_OF_YEAR      01                            FIRST_LINE_DAY_OF_MONTH       10                            I_BIAS                        15.6555004                    Q_BIAS                        15.3079996                    PROCESSING_FACILITY           CRDC_SARDPF                   PROCESSING_SYSTEM             SARP-S/S                      PROCESSING_VERSION            Ver  0.0                      PLATFORM                                 ERS1                          ONE_WAY_DELAY                            3.311e-06                     PRF                                      1679.87845453499              ANTENNA_SIDE                             -1                            ANTENNA_LENGTH                           10                            RANGE_SAMPLING_FREQUENCY                 18962468                      PLANET_GM                                398600448073000               PLANET_SPINRATE                          7.29211573052e-05             HEIGHT                                   0.7883103409E+06              HEIGHT_DT                                -12.1200128154748             VELOCITY                                 7552.61807452732              LATITUDE                                 34.3164127                    LONGITUDE                                -113.0148570                  HEADING                                  -166.4242998                  EQUATORIAL_RADIUS                        6378137                       ECCENTRICITY_SQUARED                     0.00669437999014132           EARTH_RADIUS                             6344871.37352056              ORBIT_DIRECTION                          descending                    FILE_START                               1                             WAVELENGTH                               0.0565646                     PULSE_LENGTH                             37.10e-06                     CHIRP_SLOPE                              0.419137466e12                DOPPLER_RANGE0                           0.248831488507477             DOPPLER_RANGE1                           -3.26100176901714e-06         DOPPLER_RANGE2                           9.18349980010098e-11          DOPPLER_RANGE3                           0                             SQUINT                                   0.285632422354303             ROI_PAC_VERSION                          3                             RAW_DATA_RANGE                           829842.975510793              RANGE_OFFSET                             0                             HEIGHT_DS                                -0.1604744849E-02             HEIGHT_DDS                               0.1939135020E-09              CROSSTRACK_POS                           -0.6001808161E+01             CROSSTRACK_POS_DS                        0.3841830258E-03              CROSSTRACK_POS_DDS                       -0.6135411691E-08             VELOCITY_S                               7552.6105119                  VELOCITY_C                               0.0000000                     VELOCITY_H                               -10.6880875                   ACCELERATION_S                           -0.0040496                    ACCELERATION_C                           -0.6206325                    ACCELERATION_H                           -7.9634865                    VERT_VELOCITY                            -0.1077218135E+02             VERT_VELOCITY_DS                         0.2809578023E-05              CROSSTRACK_VELOCITY                      0.2758302067E+01              CROSSTRACK_VELOCITY_DS                   -0.9202006225E-04             ALONGTRACK_VELOCITY                      0.7552537804E+04              ALONGTRACK_VELOCITY_DS                   0.2418601879E-05              PEG_UTC                                  66331.599

输出内容：

RANGE_PIXEL_SIZE=7.9048902811596 WIDTH=5700 第一种形式：FILE_LENGTH=2593第二种形式 ：FILE_LENGTH1=2593

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