from rsf.proj import *

def Greycsg(data,other):
        Result(data,
       '''
       put d2=0.1 | byte clip=0.0024 |
       transp plane=23 |
       grey3 flat=n frame1=750 frame2=50 frame3=25 
       title=Data point1=0.8 point2=0.8 %s label3=Offset title=
       '''%other)

def Greycmg(data,other):
        Result(data,
       '''
       byte clip=0.0024 |
       transp plane=23 |
       grey3 flat=n frame1=750 frame2=100 frame3=10 
       title=Data point1=0.8 point2=0.8 %s title=
       '''%other)

def Greycmg1(data,other):
        Result(data,
       '''
       byte |      
       grey3 flat=n frame1=750 frame2=25 frame3=100 
       title=Data point1=0.8 point2=0.8 %s title=
       '''%other)


def Vel(data,other):
        Result(data,
     '''
     grey color=j allpos=y bias=1.5 clip=0.7
     scalebar=y barreverse=y barunit=km/s
     label2=Midpoint unit2=km label1=Time unit1=s
     title="NMO Velocity"  %s
     '''%other )

def Pick3(data,other):
        Result(data,
       '''
       byte allpos=y gainpanel=all |
       transp plane=23 |
       grey3 flat=n frame1=750 frame2=100 frame3=25 
       label1=Time unit1=s color=j framelabelcol=VP_BLACK
       label3=Velocity unit3=km/s 
       label2=Midpoint unit2=km
       title="Velocity Scan" point1=0.8 point2=0.8 %s
       '''%other)

def Greymig(data,other):
        Result(data,
       '''
                window max1=5 min2=2.5 max2=7.5 |
       grey title="Prestack Kirchhoff Time Migration" 
           label1=Depth unit1=km screenratio=1 %s
       '''%other)

labels=[]
# Generate a reflector model

layers = (
     ((0,2),(3.5,2),(4.5,2.5),(5,2.25),
       (5.5,2),(6.5,2.5),(10,2.5)),
     ((0,2.5),(10,3.5)),
     ((0,3.2),(3.5,3.2),(5,3.7),
       (6.5,4.2),(10,4.2)),
     ((0,4.5),(10,4.5))
)

nlays = len(layers)
for i in range(nlays):
     inp = 'inp%d' % i
     Flow(inp+'.asc',None,
          '''
          echo %s in=$TARGET
          data_format=ascii_float n1=2 n2=%d
          ''' % \
          (' '.join(map(lambda x: ' '.join(map(str,x)),
                           layers[i])),len(layers[i])))

dim1 = 'o1=0 d1=0.001 n1=10001'

Flow('lay1','inp0.asc',
     'dd form=native | spline %s fp=0,0' % dim1)
Flow('lay2',None  ,
     'math %s output="2.5+x1*0.1" '      % dim1)
Flow('lay3','inp2.asc',
     'dd form=native | spline %s fp=0,0' % dim1)
Flow('lay4',None  ,'math %s output=4.5'  % dim1)

Flow('lays','lay1 lay2 lay3 lay4',
     'cat axis=2 ${SOURCES[1:4]}')

graph = '''
graph min1=2.5 max1=7.5 min2=0 max2=5
yreverse=y wantaxis=n wanttitle=n screenratio=1
'''
Plot('lays0','lays',graph + ' plotfat=10 plotcol=0')
Plot('lays1','lays',graph + ' plotfat=2 plotcol=7')
Plot('lays2','lays',graph + ' plotfat=2')

# Velocity

Flow('vofz',None,
     '''
     math output="1.5+0.36*x1"
     d2=0.01 n2=1001 d1=0.01 n1=501
     label1=Depth unit1=km
     label2=Distance unit2=km
     label=Velocity unit=km/s
     ''')
Plot('vofz',
     '''
     window min2=2.5 max2=7.5 |
     grey color=j allpos=y bias=1.5
     title=Model screenratio=1
     ''')

Result('model','vofz lays0 lays1','Overlay')

# Model data

Flow('dips','lays','deriv scale=y')
Flow('modl','lays dips',
     '''
     kirmod cmp=y dip=${SOURCES[1]} 
     nh=51  dh=0.1  h0=0
     ns=201 ds=0.05 s0=0
     freq=10 dt=0.004 nt=1501
     vel=1.5 gradz=0.36 verb=y |
     pow pow1=1 |
     put d2=0.05 
     label1=Time        unit1=s
     label2=Half-Offset unit2=km 
     label3=Midpoint    unit3=km 
     ''',split=[1,10001], reduce='add')

# Add random noise
#Flow('data','modl','noise var=1e-6 seed=101013')
Flow('data','modl','noise var=1e-20 seed=101013')
Greycsg('data','title="Data (Orignal)"')

Flow('data-csg','data','cmp2shot positive=y')
Greycsg('data-csg','title="Data (CSG)"')

Flow('data-cmg','data-csg','shot2cmp positive=y | window n3=201 f3=50 | put o3=0')
Greycsg('data-cmg','title="Data (CMG)"')

## Suppose source2 has nearly the same feature as source1

#for i in range(151):
Flow('data-r','data-csg','reverse which=2')
Greycsg('data-r','title=source2')

Flow('dithert',None,'math output=1 n1=251 n2=1 | noise rep=y seed=201313 var=2 | spray axis=2 n=51 | transp ')
Flow('ditherx',None,'math output=1 n1=251 n2=1 | noise rep=y seed=201313 var=0 | spray axis=2 n=1501 | transp ')

Flow('datt','data-r dithert','datstretch inv=y datum=${SOURCES[1]}')
Flow('datx','datt ditherx','transp plane=12 | datstretch inv=y datum=${SOURCES[1]} |transp plane=12')

## Blending
Flow('datas-csg','data-csg datx','add scale=1,1 ${SOURCES[1]} ')
Greycsg('datas-csg','title="Blended(CSG)"')

Flow('data-blend','datas-csg','shot2cmp positive=y | window n3=201 f3=50 | put o3=0')
Greycmg('data-blend','title="Blended data (CMG)"')


End()