itasegy2ita.crs

具有特色的地震数据处理源码

! Crosswire file allowing ITA formated files to be written to tape in SEG-Y
! format and then read back in into ITA format.

! Words 7,8,10,12, and 13 are set automatically

head 13    'i*4'   1.0    0.0     1   'i*4' !original trace sequential #
head  9    'i*4'   1.0    0.0     2   'i*4' !file #
head 21    'i*4'   1.0    0.0     3   'i*4' !cdp #
head 29    'i*2'   1.0    0.0     4   'i*4' !sorting word
head  17   'i*4'   1.0    0.0    26   'i*4' !ITA shotpoint or sorting word
head  37   'i*4'   1.0    0.0    53   'r*4' !offset in feet or meters
head 181   'i*4'   1.0    0.0    14  'i*4' !horizon bit mask
head 185   'i*4'   0.0001    0.0    15  'r*4' !first break time
head 189   'i*4'   0.0001    0.0    16  'r*4' !horizon 2 time
head 193   'i*4'   0.0001    0.0    17  'r*4' !horizon 3 time
head 197   'i*4'   0.0001    0.0    18  'r*4' !horizon 4 time
head 201   'i*4'   0.0001    0.0    19  'r*4' !horizon 5 time
head 205   'i*4'   0.00001    0.0    20  'r*4' !datum correction in seconds
head 209   'i*4'   0.00001    0.0    21  'r*4' !refraction static correction sec
head 213   'i*4'   0.00001    0.0    22  'r*4' !sum of words 20 + 21
head 217   'i*4'   0.00001    0.0    23  'r*4' !shot static in seconds
head 221   'i*4'   0.00001    0.0    24  'r*4' !receiver static in seconds
head 225   'i*4'   0.00001    0.0    25  'r*4' !trim static applied to trace
head 233   'i*4'   1.0    0.0    27  'i*4' !station of the receiver
head 237   'i*4'   1.0    0.0    28  'i*4' !offset in terms of stations
head  77   'i*4'   1.0    0.0    29  'r*8' !source y coordinate (northing)
head  73   'i*4'   1.0    0.0    31  'r*8' !source x coordinate (easting)
head  45   'i*4'   1.0    0.0    33  'r*8' !source elevation
head  85   'i*4'   1.0    0.0    35  'r*8' !rcvr y coordinate (northing)
head  81   'i*4'   1.0    0.0    37  'r*8' !rcvr x coordinate (easting)
head  41   'i*4'   1.0    0.0    39  'r*8' !receiver elevation
head  53   'i*4'   1.0    0.0    51  'r*4' !datum elevation at trace
head  93   'i*2'   1.0    0.0    52  'r*4' !replacement velocity
head  37   'i*4'   0.0001   0.0    53  'r*4' !offset in feet or meters
head  49   'i*4'   0.0001   0.0    54  'r*4' !shot depth
head  95   'i*4'   0.0001   0.0    55  'r*4' !uphole time (s)
head 141   'i*4'   0.0001   0.0    56  'r*4' !vsp use (or buried rcvr depth)
head  99   'i*4'   0.0001    0.0    57  'r*4' !shot static at cdp
head 101   'i*4'   0.00001    0.0    58  'r*4' !receiver static at cdp
head 145   'i*4'   0.00001    0.0    59  'r*4' !ray parameter for Tau-p
head  33   'i*2'   1.0    0.0    60  'i*4' !stack fold
head 149   'i*4'   0.00001    0.0    61  'r*4' !1 way elev static at cdp (ms)
head 153   'i*4'   0.00001    0.0    62  'r*4' !1 way refraction static to
head 157   'i*4'   0.00001    0.0    63  'r*4' !1 way refraction static to bottom
head 103   'i*4'   0.00001    0.0    64  'r*4' !total static at cdp
end