```from rsf.proj import * Fetch('wz.25.H','wz') def grey(title): return ''' window max1=3 | grey label1=Time label2= unit1=s crowd=0.8 labelsz=12 title="%s" ''' % title Flow('input','wz.25.H', 'dd form=native | tpow tpow=2.7 | scale dscale=0.00000001') Plot('input',grey('Shot Gather')) c1=(.6,2.,1.4,2.5) c2=(.4,1.5,-1.7,0.) r1=(.3,.4,.6,.2) r2=(.4,.6,.3,.7) mask = [] for i in range(4): mask.append('mask%d' % i) Flow(mask[i],'input', ''' math output="((x1-%g)/%g)^2+((x2-%g)/%g)^2" | mask min=1 ''' % (c1[i],r1[i],c2[i],r2[i])) Flow('mask',mask,'add mode=p \${SOURCES[1:4]} | dd type=float | cut min2=2.1') Flow('maskm','mask','mutter inner=y v0=1.2') Flow('hole','input mask','add mode=p \${SOURCES[1]}') Plot('hole',grey('Shot Gather with Holes')) Flow('dip0','hole', 'math output="%g*x2/(%g*x1+0.001)" | clip clip=4' % (0.05/0.002,3.5*3.5)) Flow('dip','hole maskm dip0', ''' dip mask=\${SOURCES[1]} rect1=200 rect2=40 order=3 idip=\${SOURCES[2]} pmax=4 pmin=-4 ''') Flow('fill','hole mask dip', 'planemis2 dip=\${SOURCES[2]} mask=\${SOURCES[1]} verb=y order=3') Plot('fill',grey('Filled')) Result('wz-combo','input hole fill','SideBySideAniso') End()```

 sfdd sftpow sfscale sfwindow sfgrey sfmath sfmask sfadd sfcut sfmutter sfclip sfdip sfplanemis2