sconstruct

国外免费地震资料处理软件包

from rsfproj import *

Flow('mod',None,
     '''
     sigmoid n1=200 d2=0.008 n2=200 |
     smooth rect1=3 diff1=1 | smooth rect1=3
     ''')

Flow('vel',None,
     '''
     math n1=199 d1=0.004 o1=0.004 output='%g*x1' |
     math output='%g * (sqrt((exp(input)-1)/input) - 1)' |
     pad beg1=1 | math output='input+%g'
     ''' % (0.5,1.5,1.5))

def kirchhoff(adj):
    return 'kirchnew adj=%d velocity=${SOURCES[1]}' % adj

def phaseshift(adj,case):
    return '''
    pad n2=%d | cosft sign2=1 |
    gazdag inv=%d velocity=${SOURCES[1]} nt=400 |
    cosft sign2=-1 | window n2=%d
    ''' % (2*200/(4-case),1-adj,200/(4-case))

for case in range(1,4):
    mod = 'mod%d' % case        
    Flow(mod,'mod','window j2=%d' % (4-case))
    
    dki = 'dki%d' % case
    kir = 'kir%d' % case

    Flow(dki,[mod,'vel'],kirchhoff(0))
    Flow(kir,[dki,'vel'],kirchhoff(1))
    Plot(dki,'grey title="Kirchhoff %d" labelsz=12' % case)
    Plot(kir,'grey wanttitle=n')

    dph = 'dph%d' % case
    pha = 'pha%d' % case

    Flow(dph,[mod,'vel'],phaseshift(0,case))
    Flow(pha,[dph,'vel'],phaseshift(1,case))
    Plot(dph,
         'window n1=200 | grey title="Phaseshift %d" labelsz=12' % case)
    Plot(pha,'grey wanttitle=n')

    Plot(mod,[dki,dph],'SideBySideAniso')

Result('comrecon','kir3 pha3','SideBySideAniso',vppen='txscale=1.5')

Flow('mspec','mod3','spectra all=y | scale axis=1')
Flow('pspec','pha3','spectra all=y | scale axis=1')
Result('phaspec','mspec pspec',
       '''
       cat axis=2 ${SOURCES[1]} |
       dots yreverse=1 labels="model:recon" label1=Frequency unit1=Hz dots=0
       ''')

Result('commod','mod3 mod2 mod1','OverUnderAniso',vppen='txscale=1.5')
       
End()