from rsf.proj import *

Flow('spike',None,
     '''
     spike n1=129 n2=129 n3=129 d1=0.004 d2=0.008 d3=0.008
     nsp=3 k1=50,75,100 k2=50,75,100 k3=50,75,100 |
     bandpass flo=10 fhi=50
     ''')

Flow('fft3','spike','cosft sign2=1 sign3=1')

# Loop over interpolation lengths
for nf in [2,4,8]:
    stolt = 'stolt%d' % nf
    Flow(stolt,'fft3',
              'stolt2 nf=%d vel=2 | cosft sign2=-1 sign3=-1' % nf)
    Plot(stolt+'-depth',stolt,
              '''window n1=1 f1=30 |
              grey title="Stolt migration %d: Depth slice"
              screenratio=1 screenht=12''' % nf)
    Plot(stolt+'-line',stolt,
              '''window n2=1 f2=64 |
              grey title="Stolt migration %d: In-line slice"
              screenratio=0.5 screenht=6''' % nf)
    Plot(stolt,[stolt+'-line',stolt+'-depth'],'OverUnderAniso')

Result('stolt','stolt2 stolt8','SideBySideAniso')

End()