'P1 2-D model' 0 1 1 / (Cartesian coordinates, velocities, loss factors) 0. 47.3 -1. 1. 0. 6. / (boundaries of the model) 0 surfaces 1 simple block: / 1 complex block: 1 / 'END of input data for smooth surfaces' / 'COMPLEX BLOCK' 1 'VS ' -1 (S wave slowness interpolated) 1 3 0 0 -1 / (i.e. VS=W(X1,X3), tension=0, velocity given) 24 7 (numbers of gridpoints) 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 (X1) 0 1 2 3 4 5 6 (X3) 2.76050 2.84914 2.76258 2.93836 2.89343 2.82940 2.78658 2.75894 2.67078 2.77750 2.75260 2.84397 2.83987 2.81378 2.78102 2.72824 2.66439 2.85531 2.86922 2.88528 2.90926 2.75411 2.78991 2.81244 2.75996 2.98539 2.84083 2.97305 3.12602 2.88336 2.84508 2.85179 2.86966 3.02487 2.82791 2.77677 2.84043 2.87257 2.86439 2.83670 2.90749 2.94447 2.98419 2.97721 3.01940 2.86497 2.81920 2.85355 2.87253 2.99307 2.88753 3.02927 3.22621 3.17351 3.12766 3.03492 2.93327 3.03720 2.98067 2.89464 2.95370 2.90565 2.91978 2.89420 2.93045 2.99899 3.04172 3.09310 3.00771 2.98756 2.90632 2.92863 2.89965 3.03758 2.99827 3.04482 3.09900 3.26180 3.11517 3.02465 3.01439 3.07689 3.05274 2.92583 2.97284 2.88966 2.93173 2.94183 2.92144 3.07418 3.05733 3.14637 3.11840 3.14262 3.00434 3.01404 2.90982 3.06943 3.18168 3.16046 3.15764 3.26236 3.25666 3.21192 3.09138 3.05917 3.12740 3.01812 3.02687 2.99495 3.07406 2.97975 3.00228 3.06859 3.06124 3.11159 3.09840 3.07370 3.04293 3.07387 2.99415 3.06644 3.18461 3.23235 3.24575 3.23573 3.24349 3.23758 3.19161 3.11486 3.17277 3.14697 3.17221 3.19370 3.17934 3.13059 3.15630 3.12246 3.11123 3.09974 3.12650 3.01218 3.03762 3.16269 3.09632 3.11186 3.20134 3.33771 3.30160 3.28297 3.32794 3.33910 3.21116 3.10525 3.20367 3.20625 3.14979 3.21370 3.22788 3.20658 3.13352 3.10111 3.09221 3.07647 3.09714 3.10528 3.07049 3.15774 'END of complex blocks, end of the input data for the model' /