'SEG/EAGE 3-D Salt Model (two smooth salt surfaces, hrz_1, gp2, bottom)' 0 1 1 / (Cartesian coordinates, velocities, loss factors) -200 14200 -200 14200 0 4200 (boundaries of the model) 6 surfaces 8 simple blocks: -1 2 / water -2 3 5 / background above the geopressure horizon and above salt top -3 4 5 / background below the geopressure horizon and above salt top -4 / bottom halfspace 4 -5 6 / salt -2 3 -5 -6 / background above the geopressure horizon and below salt surfaces -3 4 -5 -6 / background below the geopressure horizon and below salt surfaces 1 / free space 5 complex blocks: 1 / 2 6 / 3 7 / 4 / 5 / 'TOP' 1 -3 / (i.e. W-X3=0) 0.0000 'HRZ_1' 2 1 2 -3 / (i.e. W(X1,X2)-X3=0) 6 6 (numbers of grid points) 0 2800 5600 8400 11200 14000 (X1 grid coordinates) 0 2800 5600 8400 11200 14000 (X2 grid coordinates) 36*100 'GP2' 3 1 2 -3 / (i.e. W(X1,X2)-X3=0) 8 8 (numbers of grid points) 0 2000 4000 6000 8000 10000 12000 14000 0 2000 4000 6000 8000 10000 12000 14000 64*2000 'BOTTOM' 4 -3 / (i.e. W-X3=0) 3658.5365 'SALT TOP' 5 1 2 -3 / (i.e. W(X1,X2)-X3=0) 21 20 (numbers of grid points) 0 3900 4300 4700 5100 5500 5900 6300 6700 7100 7500 7900 8300 8700 9100 9500 9900 10300 10700 11100 14000 (X1 grid coordinates) 0 3100 3500 3900 4300 4700 5100 5500 5900 6300 6700 7100 7500 7900 8300 8700 9100 9500 9900 14000 (X2 grid coordinates) 420*1500 'SALT BOTTOM' 6 1 2 -3 / (i.e. W(X1,X2)-X3=0) 21 20 (numbers of grid points) 0 3900 4300 4700 5100 5500 5900 6300 6700 7100 7500 7900 8300 8700 9100 9500 9900 10300 10700 11100 14000 (X1 grid coordinates) 0 3100 3500 3900 4300 4700 5100 5500 5900 6300 6700 7100 7500 7900 8300 8700 9100 9500 9900 14000 (X2 grid coordinates) 420*2500 'END OF SURFACES' / 'COMPLEX BLOCK' 1 (Water) 'VP ' -1 (P wave slowness) 0 0 0 / (i.e. VP=W) 0.0006667 'COMPLEX BLOCK' 2 (Background above the geopressure horizon) 'VP ' -1 (P wave velocity) 1 2 3 / (i.e. VP=W(X1,X2,X3)) 8 8 9 (numbers of grid points) 0 2000 4000 6000 8000 10000 12000 14000 (X1 grid coordinates) 0 2000 4000 6000 8000 10000 12000 14000 (X1 grid coordinates) 0 250 500 750 1000 1250 1500 1750 4000 (X3 grid coordinates) 999*0.000416667 'COMPLEX BLOCK' 3 (Background below the geopressure horizon) 'VP ' -1 (P wave velocity) 1 2 3 / (i.e. VP=W(X1,X2,X3)) 8 8 8 (numbers of grid points) 0 2000 4000 6000 8000 10000 12000 14000 (X1 grid coordinates) 0 2000 4000 6000 8000 10000 12000 14000 (X1 grid coordinates) 0 2200 2450 2700 2950 3200 3450 4000 (X3 grid coordinates) 999*0.000416667 'COMPLEX BLOCK' 4 (Bottom halfspace) 'VP ' -1 (P wave slowness) 0 0 0 / (i.e. slowness=W) .403714E-03 'COMPLEX BLOCK' 5 (Salt) 'VP ' -1 (P wave slowness) 0 0 0 / (i.e. slowness=W) .224719E-03 'END OF COMPLEX BLOCKS, END OF THE INPUT DATA FOR THE MODEL' / Alternative parameterizations of the velocity: 'COMPLEX BLOCK' 2 (Background above the geopressure horizon) 'VP ' -1 (P wave velocity) 1 2 3 / (i.e. VP=W(X1,X2,X3)) 5 5 3 (numbers of grid points) 0 3500 7000 10500 14000 (X1 grid coordinates) 0 3500 7000 10500 14000 (X2 grid coordinates) 0 1700 4000 (X3 grid coordinates) 75*0.000416667 'COMPLEX BLOCK' 3 (Background below the geopressure horizon) 'VP ' -1 (P wave velocity) 1 2 3 / (i.e. VP=W(X1,X2,X3)) 5 5 3 (numbers of grid points) 0 3500 7000 10500 14000 (X1 grid coordinates) 0 3500 7000 10500 14000 (X2 grid coordinates) 0 2400 4000 (X3 grid coordinates) 75*0.000416667 'COMPLEX BLOCK' 2 (Background above the geopressure horizon) 'VP ' -1 (P wave velocity) 1 2 3 / (i.e. VP=W(X1,X2,X3)) 10 10 10 (numbers of grid points) 0 1500 3000 4500 6000 7500 9000 10500 12000 13500 (X1 grid coordinates) 0 1500 3000 4500 6000 7500 9000 10500 12000 13500 (X1 grid coordinates) 0 220 440 660 880 1100 1320 1540 1760 4000 (X3 grid coordinates) 1000*0.000416667 'COMPLEX BLOCK' 3 (Background below the geopressure horizon) 'VP ' -1 (P wave velocity) 1 2 3 / (i.e. VP=W(X1,X2,X3)) 10 10 9 (numbers of grid points) 0 1500 3000 4500 6000 7500 9000 10500 12000 13500 (X1 grid coordinates) 0 1500 3000 4500 6000 7500 9000 10500 12000 13500 (X1 grid coordinates) 0 2200 2420 2640 2860 3100 3320 3540 4000 (X3 grid coordinates) 1000*0.000416667