from rsf.proj import *
import fdmod
# Fetch Files from repository
Fetch("velsmooth.HH","Amoco")
Fetch("velmodel.hh","Amoco")
# Convert Files to RSF
Flow('velsmooth','velsmooth.HH', '''dd form=native | put
    unit1=km unit2=km label1=Depth\ Z label2=Position title=Velocity\ Model''')
Flow('velmodel','velmodel.hh', '''dd form=native | scale 
    rscale=.001 | put
    unit1=km unit2=km label1=z label2=x title='' ''')
# Make image of velocity model
Result('model','velmodel',
       '''
       grey scalebar=y barreverse=y
       color=j gainpanel=a allpos=y bias=1.9
       screenwd=8.8 screenht=1.6
       barlabel=" " barunit=km/s wanttitle=n
       labelsz=4
       ''')
# ------------------------------------------------------------
par = {
    'nt':5000, 'dt':0.001,'ot':0,   'lt':'t','ut':'s',
    'kt':100,    # wavelet delay
    'nx':1761, 'ox':0,  'dx':.0125 ,'lx':'x','ux':'km',
    'nz':321, 'oz':0,   'dz':.0125 ,'lz':'z','uz':'km',
    }
# add F-D modeling parameters
fdmod.param(par)
# ------------------------------------------------------------
# wavelet
Flow('wav',None,
     '''
     spike nsp=1 mag=1 n1=%(nt)d d1=%(dt)g o1=%(ot)g k1=%(kt)d |
     ricker1 frequency=15 | scale axis=123 |
     put label1=t label2=x label3=y | transp
     ''' % par)
Result('wav',
       'window | window n1=200 | graph title="" label1="t" label2= unit2=')
# ------------------------------------------------------------
# experiment setup
Flow('r_',None,'math n1=%(nx)d d1=%(dx)g o1=%(ox)g output=0' % par)
Flow('s_',None,'math n1=1      d1=0      o1=0      output=0' % par)
# receiver positions
Flow('zr','r_','math output=.025')
Flow('xr','r_','math output="x1"')
Flow('rr',['xr','zr'],'''cat axis=2 space=n
     ${SOURCES[0]} ${SOURCES[1]} | transp
     ''', stdin=0)
Plot('rr',fdmod.rrplot('',par))
# source positions
Flow('zs','s_','math output=.01')
Flow('xs','s_','math output=10.0')
Flow('rs','s_','math output=1')
Flow('ss',['xs','zs','rs'],'''
     cat axis=2 space=n
     ${SOURCES[0]} ${SOURCES[1]} ${SOURCES[2]} | transp
     ''', stdin=0)
Plot('ss',fdmod.ssplot('',par))
# ------------------------------------------------------------
# density
Flow('vel','velmodel',
      '''
      put o1=%(oz)g d1=%(dz)g  o2=%(oz)g d2=%(dz)g
      ''' % par)
Plot('vel',fdmod.cgrey('''allpos=y bias=1.5 pclip=97 title=Survey\ Design 
                          titlesz=6 labelsz=4 wheretitle=t''',par))
Result('vel',['vel','rr','ss'],'Overlay')
# ------------------------------------------------------------
# density
Flow('den','vel','math output=1')
# ------------------------------------------------------------
# finite-differences modeling
fdmod.awefd1('dat','wfl','wav','vel','den','ss','rr','free=y dens=y',par)

Plot('wfl',fdmod.wgrey('pclip=99',par),view=1)
Result('dat','window j2=5 | transp |' + fdmod.dgrey('''
pclip=99 title=Data\ Record label2=Offset 
wheretitle=t titlesz=6 labelsz=4
''',par))
times=['5','10','15','20']
cntr=0
for item in ['5','10','15','20']:
    Result('time'+item,'wfl','''window f3=%s n3=1 min1=0 min2=0 | grey gainpanel=a 
              pclip=99 wantframenum=y title=Wavefield\ at\ %s\ ms labelsz=4
              label1=Depth unit1=km label2=Distance unit2=km
              titlesz=6 screenratio=.18 screenht=2 wheretitle=t''' % (item,item))
End()