List of input parameters of packages FORMS, MODEL, CRT, FD, NET and DATA

A11='string'
Name of an output file.
Used by: fd2d.for, fdmod.for, modfd.for.
A12='string'
Name of an output file.
Used by: fd2d.for, modfd.for, newpar.for.
A13='string'
Name of an output file.
Used by: fd2d.for, fdmod.for, modfd.for, newpar.for.
A21='string'
Name of an output file.
Used by: fd2d.for, modfd.for, newpar.for.
A22='string'
Name of an output file.
Used by: fd2d.for, modfd.for.
A23='string'
Name of an output file.
Used by: fd2d.for, modfd.for, newpar.for.
A31='string'
Name of an output file.
Used by: fd2d.for, fdmod.for, modfd.for, newpar.for.
A32='string'
Name of an output file.
Used by: fd2d.for, modfd.for, newpar.for.
A33='string'
Name of an output file.
Used by: fd2d.for, fdmod.for, modfd.for.
A44=real
Parameter describing the twisted crystal model.
Used by: tcgreen.for.
AA12='string'
Name of an output file.
Used by: newpar.for.
AA13='string'
Name of an output file.
Used by: newpar.for.
AA23='string'
Name of an output file.
Used by: newpar.for.
ABIG=nonnegative real
Parameter controlling the wavenumber cosine filter.
Used by: grdcor.for.
ACOR=positive real
Von Karman correlation length.
Used by: grdckn.for, grdcor.for, grdran2d.for.
ACORG=nonnegative real
Gaussian correlation length.
Used by: grdcor.for, grdran2d.for.
ADVANC=real
Distance to shift an initial point of a ray.
Used by: crtin.for.
AI0=real, AI1=real, AI2=real, AI3=real, AI11=real, AI12=real, AI22=real, AI13=real, AI23=real, AI33=real, AI111=real, AI112=real, AI122=real, AI222=real, AI113=real, AI123=real, AI223=real, AI133=real, AI233=real, AI333=real
Imaginary part of amplitude of a complex function and its derivatives.
Used by: grdte.for.
ALEMAX=real
Maximum angle for the frame with Lyapunov exponents.
Used by: modle2d.for.
ALEMIN=real
Minimum angle for the frame with Lyapunov exponents.
Used by: modle2d.for.
AMAX=nonnegative real
Maximum wavelength.
Used by: grdcor.for.
AMBIENT=real
Intensity of the ambient light.
Used by: iniwrl.for, srfwrl.for.
AMIN=nonnegative real
Minimum wavelength.
Used by: grdcor.for.
AMP='string'
Name of the output file to contain the grid values of the norm of the vectorial amplitude of the Green function.
Used by: mtt.for.
AMP2D1=real,
AMP2D2=real,
AMP2D3=real
Unit vector perpendicular to a 2-D section in the 3-D model for calculating the 2-D Green function.
Used by: mtt.for.
AMPKI='string'
Name of the file with the grid values of the amplitude modified for use in the Kirchoff integral.
Used by: mtt.for.
AMPKI1=real,
AMPKI2=real,
AMPKI3=real
Unit vector perpendicular to the surface of integration. for the Kirchhoff integral.
Used by: mtt.for.
AMPMAX=real
Maximum value of the amplitude of the Green function.
Used by: mtt.for, wfsrf.for.
AMPR11='string', AMPI11='string', AMPR21='string', AMPI21='string', AMPR31='string', AMPI31='string', AMPR12='string', AMPI12='string', AMPR22='string', AMPI22='string', AMPR32='string', AMPI32='string', AMPR13='string', AMPI13='string', AMPR23='string', AMPI23='string', AMPR33='string', AMPI33='string'
Names of the files with the vectorial amplitudes of the Green function.
Used by: mtt.for.
ANIDEG=real
Rotation angle.
Used by: anirot.for.
ANIDER='string'
Name of the input file containing the density-reduced stiffness tensor and its first-order and second-order spatial derivatives.
Used by: hdertest.for.
ANIE1=real, ANIE2=real, ANIE3=real
Axial vector of the rotation.
Used by: anirot.for.
ANIIN='string'
Name of the input file of program 'anirot.for'.
Used by: anirot.for.
ANIMOD='string'
Name of the input file with elastic moduli.
Used by: anisrf.for, tiaxis.for.
ANIOUT='string'
Name of the output file of program 'anirot.for'.
Used by: anirot.for.
ANISTRE='string'
Name of the output file with anisotropy strength.
Used by: anisrf.for.
ANITI='string'
Name of the output file of program 'tiaxis.for'.
Used by: tiaxis.for.
ANRTIM1='string', ANRTIM2='string'
Name of the output file of program 'anray.for'.
Used by: watable.for.
AR0=real, AR1=real, AR2=real, AR3=real, AR11=real, AR12=real, AR22=real, AR13=real, AR23=real, AR33=real, AR111=real, AR112=real, AR122=real, AR222=real, AR113=real, AR123=real, AR223=real, AR133=real, AR233=real, AR333=real
Real part of amplitude of a complex function and its derivatives.
Used by: grdte.for.
ASIZE=integer
Size of points (atoms) in GOCAD.
Used by: ptswrl.for.
ASMALL=nonnegative real
Parameter controlling the wavenumber cosine filter.
Used by: grdcor.for.
ASOB=positive real
Parameter controlling the wavenumber filter corresponding to smoothing with Sobolev scalar product.
Used by: grdcor.for.
ASYMB='string'
Name of the GOCAD symbol used for plotting the points.
Used by: ptswrl.for.
AUR1='string', AUR2='string', AUR3='string'
Names of the files with real part of the amplitudes.
Used by: grdborn.for.
AUI1='string', AUI2='string', AUI3='string'
Names of the files with imaginary part of the amplitudes.
Used by: grdborn.for.
B=real
Content of blue in the colour of background.
Used by: grdps.for, iniwrl.for, trglps.for.
Content of blue in the colour of lines.
Used by: linwrl.for,
Content of blue in the colour of points.
Used by: ptswrl.for,
Content of blue in the colour of surfaces.
Used by: srfwrl.for,
B11='string'
Name of an output file.
Used by: fd2d.for, fdmod.for, modfd.for.
B12='string'
Name of an output file.
Used by: fd2d.for, modfd.for, newpar.for.
B13='string'
Name of an output file.
Used by: fd2d.for, fdmod.for, modfd.for, newpar.for.
B21='string'
Name of an output file.
Used by: fd2d.for, modfd.for, newpar.for.
B22='string'
Name of an output file.
Used by: fd2d.for, modfd.for.
B23='string'
Name of an output file.
Used by: fd2d.for, modfd.for, newpar.for.
B31='string'
Name of an output file.
Used by: fd2d.for, fdmod.for, modfd.for, newpar.for.
B32='string'
Name of an output file.
Used by: fd2d.for, modfd.for, newpar.for.
B33='string'
Name of an output file.
Used by: fd2d.for, fdmod.for, modfd.for.
BB12='string'
Name of an output file.
Used by: newpar.for.
BB13='string'
Name of an output file.
Used by: newpar.for.
BB23='string'
Name of an output file.
Used by: newpar.for.
BORN='string'
Name of the file with the names of the files with the quantities required for the Born approximation.
Used by: grdborn.for.
C11='string'
Name of an output file.
Used by: fd2d.for, fdmod.for, modfd.for.
C12='string'
Name of an output file.
Used by: fd2d.for, modfd.for, newpar.for.
C13='string'
Name of an output file.
Used by: fd2d.for, fdmod.for, modfd.for, newpar.for.
C21='string'
Name of an output file.
Used by: fd2d.for, modfd.for, newpar.for.
C22='string'
Name of an output file.
Used by: fd2d.for, modfd.for.
C23='string'
Name of an output file.
Used by: fd2d.for, modfd.for, newpar.for.
C31='string'
Name of an output file.
Used by: fd2d.for, fdmod.for, modfd.for, newpar.for.
C32='string'
Name of an output file.
Used by: fd2d.for, modfd.for, newpar.for.
C33='string'
Name of an output file.
Used by: fd2d.for, fdmod.for, modfd.for.
CAL='string'
Name of the file with commands.
Used by: grdcal.for.
CALCOPS='string'
Text to be written to the 'Setup' section of a PostScript file.
Used by: pictures.for, rpplot.for, sp.for, ss.for.
CAMERA='string'
Name of the file with cameras.
Used by: iniwrl.for.
CC12='string'
Name of an output file.
Used by: newpar.for.
CC13='string'
Name of an output file.
Used by: newpar.for.
CC23='string'
Name of an output file.
Used by: newpar.for.
CKNMAX=real
Maximum value of a correlation function.
Used by: grdckn.for.
CKNOUT='string'
Name of the file with a correlation function.
Used by: grdckn.for.
CNAME='string'
Prefix of the name of shifted points.
Used by: srp.for.
CODE='string'
Name of the file with codes of elementary waves.
Used by: crtin.for.
COEF1=integer, COEF2=integer
Coefficients of linear combination.
Used by: matlin.for.
COEF1=integer to COEF#=integer
Coefficients of linear combination.
Used by: gsecal.for.
COLORS='string'
Name of the file with a colour map.
Used by: grdwrl.for, linwrl.for, ptswrl.for, rpplot.for, srfwrl.for, trglps.for.
COLUMN01='string' to COLUMN69='string'
String to specify the quantity to be written to the corresponding column of the output file.
Used by: modsrf.for, mtt.for, wfsrf.for.
COROUT='string'
Name of the output file with correlation function.
Used by: grdcor.for.
CPAR1=real
Configuration parameter.
Used by: srp.for.
CPAR2=real
Configuration parameter.
Used by: srp.for.
CREF=real
Reference colour.
Used by: grdps.for, grdwrl.for, linwrl.for, ptswrl.for, srfwrl.for, trglps.for.
CREF1=real
Reference colour for multidimensional colour maps.
Used by: grdwrl.for, linwrl.for, ptswrl.for, srfwrl.for, trglps.for.
CREF2=real
Reference colour for multidimensional colour maps.
Used by: grdwrl.for, linwrl.for, ptswrl.for, srfwrl.for, trglps.for.
CREF3=real
Reference colour for multidimensional colour maps.
Used by: grdwrl.for, linwrl.for, ptswrl.for, srfwrl.for, trglps.for.
CRTANI=real
Switch to anisotropic ray tracing.
Used by: crtin.for, crtpfa.for, green.for.
CRTLOG='string'
Name of the output log file.
Used by: crtin.for.
CRTNEW='string'
Name of the file with the names of the new CRT-like output files.
Used by: crt2d3d.for, crtpfa.for.
CRTOUT='string'
Name of the file with the names of the CRT output files.
Used by: crt2d3d.for, crtlew.for, crtpfa.for, crtpts.for, crtray.for, green.for, invtt.for, mtt.for, pfatubes.for, rpplot.for, wfsrf.for. Verbose option of the CRT program, enabling to select various levels of screen output.
CRTPAUSE=integer
Parameter to control screen output.
Used by: crtin.for.
CRTSCRO='string'
Verbose option of the CRT program, enabling to select various levels of screen output.
Used by: crtin.for.
CSWIN=real, CSWIN1=real, CSWIN2=real, CSWIN3=real, CSWIN4=real, CSWIN5=real, CSWIN6=real
Parmeters for cosine window.
Used by: grdborn.for.
CTYPE='string'
String specifying the correlation function.
Used by: grdran2d.for.
D1=positive real
Grid spacing along the X1 axis.
Used by: grdran2d.for.
D1=real
Grid spacing along the X1 axis.
Used by: fd2d.for, fdmod.for, grdborn.for, grdckn.for, grdcor.for, grdcros.for, grdfd.for, grdfft.for, grdiso.for, grdnew.for, grdnorm.for, grdpts.for, grdte.for, grdwrl.for, invpts.for, modfd.for, modsrf.for, mtt.for, net.for, ptsgrd.for, sgfgrd.for, sgfmat.for.
D10=real
Grid spacing along the X1 axis.
Used by: grdte.for.
D1NEW=real
Grid spacing along the X1 axis for the output grid.
Used by: grdnew.for, grdnorm.for.
D1OUT=real
Grid spacing along the X1 axis for the output grid.
Used by: grdfft.for.
D2=positive real
Grid spacing along the X2 axis.
Used by: grdran2d.for.
D2=real
Grid spacing along the X2 axis.
Used by: grdborn.for, grdckn.for, grdcor.for, grdcros.for, grdfd.for, grdfft.for, grdiso.for, grdnew.for, grdnorm.for, grdpts.for, grdte.for, grdwrl.for, invpts.for, modfd.for, modsrf.for, mtt.for, net.for, ptsgrd.for, sgfgrd.for, sgfmat.for.
D20=real
Grid spacing along the X2 axis.
Used by: grdte.for.
D2NEW=real
Grid spacing along the X2 axis for the output grid.
Used by: grdnew.for, grdnorm.for.
D2OUT=real
Grid spacing along the X2 axis for the output grid.
Used by: grdfft.for.
D3=real
Grid spacing along the X3 axis.
Used by: fd2d.for, fdmod.for, grd2d3d.for, grdborn.for, grdckn.for, grdcor.for, grdcros.for, grdfd.for, grdfft.for, grdiso.for, grdnew.for, grdnorm.for, grdpts.for, grdte.for, grdwrl.for, invpts.for, modfd.for, modsrf.for, mtt.for, net.for, ptsgrd.for, sgfgrd.for, sgfmat.for.
D30=real
Grid spacing along the X3 axis.
Used by: grdte.for.
D3NEW=real
Grid spacing along the X3 axis for the output grid.
Used by: grdnew.for, grdnorm.for.
D3OUT=real
Grid spacing along the X3 axis for the output grid.
Used by: grdfft.for.
D4=real
Time interval.
Used by: fd2d.for, grdnorm.for, grdps.for.
D4NEW=real
Time interval for the output grid.
Used by: grdnorm.for.
DA=real
Angular step.
Used by: crtlew.for, modle2d.for.
DCRT='string'
Name of the file with input data for complete ray tracing.
Used by: crtin.for.
DEGREE=real
Degree of the homogeneous Hamiltonian to be arithmetically averaged for common S-wave ray tracing.
Used by: crtin.for, crtpfa.for, green.for, hder.for.
DEN='string'
Name of the output file with gridded densities.
Used by: fd2d.for, fdmod.for, modfd.for.
DER=real
Order of derivative.
Used by: ss.for.
DEVEXP=positive real
Exponent for the renormalization to the maximum deviation from the mean value.
Used by: grdran2d.for, grdstat.for.
DEVMAX=positive real
Maximum deviation from the mean value.
Used by: grdran2d.for, grdstat.for.
DF=real
Frequency step.
Used by: grdborn.for, green.for, greenss.for, greentc.for, tcgreen.for.
DIST=real
Distance.
Used by: invtt.for.
DLIGHT='string'
Name of the file with directional lights.
Used by: iniwrl.for.
DM1='string'
Name of the file with a diagonal matrix.
Used by: invpts.for, invtt.for, smeigen.for.
DP=real
Step in slowness vector.
Used by: hdertest.for.
DPAR1=real
Increment of the first ray take-off parameter.
Used by: mtt.for, wfsrf.for.
DPAR2=real
Increment of the second ray take-off parameter.
Used by: mtt.for, wfsrf.for.
DSD=positive real
Desired standard deviation.
Used by: grdran2d.for, grdstat.for.
DSEIS=real
Sampling interval of a seismogram stored in a grid file.
Used by: grdmigr.for.
DSRC=real
Distance between two source points for numerical calculation of point-source geometrical spreading from slowness vectors.
Used by: q2.cal.
DSWAVE=real
Minimum relative difference between the S-wave eigenvalues.
Used by subroutine file hder.for,
called by programs: crt.for, crtpfa.for, green.for.
DT=real
Time step.
Used by: grdborn.for, green.for, greenss.for, ss.for, gsecal.for.
DTFD=real
Time step for finite differences.
Used by: fd2d.for.
DTIME=real
Two-way travel-time increment.
Used by: mtt.for, wfsrf.for.
DTT=real
Travel-time increment.
Used by: mtt.for, wfsrf.for.
DX=real
Step in spatial coordinates.
Used by: hdertest.for.
DX1=real
The X1 component of the translation vector.
Used by: crt2d3d.for.
DX2=real
The X2 component of the translation vector.
Used by: crt2d3d.for.
DX3=real
The X3 component of the translation vector.
Used by: crt2d3d.for.
EIGLST='string'
Name of the optional output file containing eigenvectors.
Used by: green.for.
EPSILON=real
Parameter describing the twisted crystal model.
Used by: tcgreen.for.
ERRMUL=real
Multiplication factor for the standard deviations.
Used by: invpts.for,
ERRQI=real
Maximum error of the quasi-isotropic projection of the polarization vectors.
Used by: green.for.
ERRSRF=real
Upper error bound in the position of points at interfaces.
Used by: modsrf.for.
ERRWAN=real
Upper error bound in the propagator matrix.
Used by: crtpfa.for, green.for.
ESIZE=integer
Number of bytes per a real in binary files.
Used by: ascbin.for, binasc.for, swap.for.
FACTOR=real
Brightness factor.
Used by: pallet.for.
FDMOD='string'
Name of the file describing a 2-D model composed of homogeneous convex polygons.
Used by: fdmod.for.
FFT=real
Multiplicative factor for FFT.
Used by: grdfft.for.
FFTINI='string'
Name of the file with imaginary part of the input function.
Used by: grdfft.for.
FFTINR='string'
Name of the file with real part of the input function.
Used by: grdfft.for.
FFTOUTI='string'
Name of the file with imaginary part of the output function.
Used by: grdfft.for.
FFTOUTR='string'
Name of the file with real part of the output function.
Used by: grdfft.for.
FGBE11='string'
FGBE21='string'
FGBE31='string'
FGBE12='string'
FGBE22='string'
FGBE32='string'
Filenames of the files corresponding to GBE11, GBE21, GBE31, GBE12, GBE22 and GBE32.
Used by: mtt.for, wfsrf.for.
FGBR11='string'
FGBR12='string'
FGBR22='string'
Filenames of the files corresponding to GBR11, GBR12, GBR22.
Used by: mtt.for, wfsrf.for.
FGBY11='string'
FGBY22='string'
Filenames of the files corresponding to GBY11 and GBY22.
Used by: mtt.for, wfsrf.for.
FHIGH=real
Parameter controlling the frequency cosine filter.
Used by: ss.for.
FISEGY='string'
Name of the output SEGY file.
Used by: gse2segy.for.
FLOW=real
Parameter controlling the frequency cosine filter.
Used by: ss.for.
FMAX=real
Maximum frequency.
Used by: grdborn.for, green.for, greenss.for, ss.for.
FMIN=real
Minimum frequency.
Used by: grdborn.for, green.for, greenss.for, ss.for.
FORM='string'
Form of a file.
Used by: fd2d.for, fdmod.for, modfd.for, newpar.for.
FORMM='string'
Form of files with matrices.
Used by: grdcal.for, invpts.for, invsoft.for, invtt.for, matfun.for, matinv.for, matlin.for, matmul.for, sgfgrd.for, sgfmat.for, smeigen.for, smpower.for.
FREESRF=real
Switch to decide about the polygons in free space.
Used by: modsrf.for.
FREF=nonnegative real
Reference frequency for the attenuation.
Used by: greenss.for.
FSTAB='string'
Name of the output file with the information on memory required to store forward stars.
Used by: net.for.
FTIME='string'
Name of the file containing two-way travel time.
Used by: mtt.for, wfsrf.for.
FTRGL1='string'
FTRGL2='string'
Name of the file 'CRT-T' with triangles.
Used by: pfatubes.for.
FTT='string'
Name of the data file with the field travel times.
Used by: invtt.for, sp.for.
G=real
Content of green in the colour of background.
Used by: grdps.for, iniwrl.for, trglps.for.
Content of green in the colour of lines.
Used by: linwrl.for,
Content of green in the colour of points.
Used by: ptswrl.for,
Content of green in the colour of surfaces.
Used by: srfwrl.for,
GAMMA=real
Parameter describing the twisted crystal model.
Used by: tcgreen.for.
GBE11=real
GBE21=real
GBE31=real
GBE12=real
GBE22=real
GBE32=real
Components of two vectors specifying the plane and coordinates for the initial second derivatives of the complex-valued travel times of Gaussian beams.
Used by: mtt.for, wfsrf.for.
GBR11=real
GBR12=real
GBR22=real
Real part of the second derivatives of the complex-valued travel times of Gaussian beams in the directions of the given vectors.
Used by: mtt.for, wfsrf.for.
GBW1='string'
GBW2='string'
Names of the output files to contain the grid values of the square roots of two components of the sum of squares of Gaussian beam widths.
Used by: mtt.for.
GBW11='string'
GBW22='string'
Names of the output files to contain the grid values of two components of the sum of squares of Gaussian beam widths.
Used by: mtt.for.
GBY11=real
GBY22=real
Imaginary part of the second derivatives of the complex-valued travel times of Gaussian beams in the directions of the given vectors.
Used by: mtt.for, wfsrf.for.
GM1='string'
Name of the file with a general matrix.
Used by: invpts.for, invtt.for, smeigen.for.
GM2='string'
Name of the file with a general matrix.
Used by: invpts.for, invtt.for.
GM3='string'
Name of the file with a general matrix.
Used by: invpts.for, invtt.for.
GNORM=real
Exponent for the normalization.
Used by: grdnorm.for.
GRD='string'
Name of the file with gridded values.
Used by: ascbin.for, binasc.for, grd2d3d.for, grdfd.for, grdiso.for, grdnew.for, grdnorm.for, grdps.for, grdpts.for, grdran2d.for, grdtrans.for, grdwrl.for, invpts.for, mgrd.for, mttgrd.for, sgfgrd.for, sgfmat.for.
GRD1='string'
Name of the file with gridded values.
Used by: grdcal.for, grdcros.for, grdgse.for, grdfd.for, grdmerge.for, grdpts.for.
GRD11='string'
Name of the file with gridded second derivatives.
Used by: grdfd.for.
GRD2='string'
Name of the file with gridded values.
Used by: grdcal.for, grdcros.for, grdgse.for, grdfd.for, grdmerge.for, grdpts.for.
GRD22='string'
Name of the file with gridded second derivatives.
Used by: grdfd.for.
GRD3='string'
Name of the file with gridded values.
Used by: grdcal.for, grdcros.for, grdgse.for, grdfd.for, grdmerge.for, grdpts.for.
GRD33='string'
Name of the file with gridded second derivatives.
Used by: grdfd.for.
GRD4='string'
Name of the file with gridded values.
Used by: grdcal.for, grdcros.for, grdmerge.for, grdpts.for.
GRD5='string'
Name of the file with gridded values.
Used by: grdcal.for, grdpts.for.
GRD6='string'
Name of the file with gridded values.
Used by: grdcal.for, grdpts.for.
GRD7='string'
Name of the file with gridded values.
Used by: grdcal.for, grdpts.for.
GRD8='string'
Name of the file with gridded values.
Used by: grdcal.for, grdpts.for.
GRD9='string'
Name of the file with gridded values.
Used by: grdcal.for, grdpts.for.
GRDCALNUM='string'
Name of the file with numbers of values at gridpoints.
Used by: grdcal.for.
Note that parameter GRDCALNUM of program grdcal.for is equivalent to parameter NUM of some other programs.
GRDMIGR='string'
Name of the ASCII file containing the grid values of the migrated image.
Used by: grdmigr.for.
GRDERR='string'
Name of the file with gridded standard deviations.
Used by: invpts.for.
GRDICB='string'
Name of the file with gridded indices of the complex blocks.
Used by: invpts.for.
GRDNEW='string'
Name of the output file with gridded values.
Used by: grd2d3d.for, grdnew.for, grdnorm.for, grdtrans.for.
GRDPS2='string' to GRDPS9='string'
Names of the files with gridded values.
Used by: grdps.for.
GRDSEIS='string'
Name of the input ASCII grid file with seismograms for Kirchhoff migration.
Used by: grdmigr.for.
GRDTEI='string', GRDTER='string'
Names of the files with gridded functional values.
Used by: grdte.for.
GREEN='string'
Name of the file with the Green tensor.
Used by: green.for, greenmul.for, greenss.for, greentc.for, greenti.for.
GREEN1='string', GREEN2='string'
Name of the file with the Green tensor.
Used by: greenti.for.
GREENAMP=real
Multiplicative factor.
Used by: greenmul.for.
GREENMUL='string'
Name of the file with the Green tensor.
Used by: greenmul.for.
GREENTC='string'
Name of the file with the Green tensor.
Used by: greentc.for, tccomp.for, tcfd.for.
GREENTC2='string'
Name of the file with the Green tensor.
Used by: tccomp.for.
GREENTI='string'
Name of the file containing information on input Green tensors.
Used by: greenti.for.
GSEWIDTH=positive integer
Width of the output field for one integer value of a seismogram.
Used by: grdgse.for, greenss.for, gsecal.for, ss.for.
HDERTEST='string'
Name of the output file of program HDERTEST.
Used by: hdertest.for.
HEIGHT=real
Height of the paper in a portrait position.
Used by: grdps.for, trglps.for.
HILB=real
Order of Hilbert transform.
Used by: ss.for.
HIST='string'
Name of the file with the ray histories.
Used by: mttgrd.for.
HOFFSET=real
Distance from the leftmost paper edge.
Used by: grdps.for, trglps.for.
HRAUX=real
Height (in cm) of symbols for auxiliary rays.
Used by: rpplot.for.
HRBAS=real
Height (in cm) of symbols for basic rays.
Used by: rpplot.for.
HREC=real
Height (in cm) of symbols for receivers.
Used by: rpplot.for.
HRTWO=real
Height (in cm) of symbols for two-point rays.
Used by: rpplot.for.
HSIZE=real
Horizontal size of the image.
Used by: grdps.for, rpplot.for, trglps.for.
HTEXT=real
Height (in cm) of texts.
Used by: rpplot.for.
ICB='string'
Name of the file with gridded indices of the complex blocks.
Used by: grid.for.
ICB=integer
Index of a wave.
Used by: hdertest.for.
ICBEXT=integer
Switch to decide which complex block is to be gridded.
Used by: grid.for.
ICDPF=integer
CDP fold.
Used by: gse2segy.for.
ICLASS=integer
Class of model parameters to be inverted.
Used by: invpts.for, invsoft.for, invtt.for, modmod.for.
ICREC=positive integer
Index of the colour to plot the receivers.
Used by: rpplot.for.
ICRT=positive integer
Sequential index of the execution of program 'crt.for'.
Used by: mtt.for, wfsrf.for.
ICTWO=integer
Index of colour for two-point rays.
Used by: rpplot.for.
IHIST=integer
Switch to decide whether symbols correspondingto the ray histories are to be plotted to the figure legend.
Used by: rpplot.for.
IMGRD=integer
Switch to decide whether "snapshots" are to be stored in separate files.
Used by: mgrd.for, mttgrd.for.
IN='string'
Name of an unformatted file with gridded values.
Used by: ascbin.for, binasc.for, grdwrl.for, swap.for.
IND='string'
Name of the index file.
Used by: grid.for.
INDFUN=integer
Index of the surface or of the complex block.
Used by: invpts.for.
INVSRC='string'
Name of the file with the names of source points.
Used by: invtt.for, srcsrc.for.
INIDIM=integer
Dimensionality of the source.
Used by: crtin.for.
INIDIR=integer
Switch between global rotation vector and source-specific vectors.
Used by: crtin.for.
INIE1=real, INIE2=real, INIE3=real
Three components of the optional rotation vector describing the rotation of the local Cartesian basis vectors.
Used by: crtin.for.
INIPAR=integer
Parametrization of the rays.
Used by: crtin.for.
INIT='string'
Name of the file with the data specifying the line or surface initial conditions for rays.
Used by: crtin.for.
INORM=integer
Type of the norm.
Used by: tccomp.for.
INTF='string'
Name of the file containing the points situated at interface(s).
Used by: intf.for.
INTFOUT='string'
Name of the output file with functional values.
Used by: intf.for.
INVLOG='string'
Output log file.
Used by: invtt.for.
IRAUX=integer
Switch to decide whether auxiliary rays are to be plotted.
Used by: rpplot.for.
IRBAS=integer
Switch to decide whether basic rays are to be plotted.
Used by: rpplot.for.
IREC=positive integer
Index of the receiver.
Used by: grdborn.for, grdmigr.for.
IRTWO=integer
Switch to decide whether two-point rays are to be plotted.
Used by: rpplot.for.
ISANG=integer
Switch to decide whether ray domain or reference surface is to be plotted.
Used by: rpplot.for.
ISEED=integer
Seed for the generation of pseudorandom numbers.
Used by: grdran.for, grdran2d.for.
ISFORM=integer
Data sample format code.
Used by: gse2segy.for.
ISHP=integer
Switch to decide whether objects of all histories or of a single history are to be plotted.
Used by: rpplot.for.
ISORT=integer, ISORT1=integer
Sorting switches.
Used by: green.for, greenti.for.
ISRC=positive integer
Index of the source.
Used by: grdborn.for, grdmigr.for.
ISRCS=nonnegative integer
Index of the source.
Used by: rpplot.for.
ISREC=positive integer
Index of symbols for plotting the receivers.
Used by: rpplot.for.
ISRF=integer
Switch to decide whether material parameters or function describing surface will be gridded.
Used by: grid.for.
ISUC=integer
Switch to specify whether all histories or successful histories only are to be plotted in colours.
Used by: rpplot.for.
ITHOM=integer
Switch to decide whether homogeneous triangles will be plotted.
Used by: rpplot.for.
IVALUE01=integer to IVALUE69=integer
Integer value required for some special cases of COLUMNii.
Used by: modsrf.for, wfsrf.for.
IWAVES=nonnegative integer
Index of the elementary wave.
Used by: rpplot.for.
KALL=integer
Switch between all rays and two-point rays only.
Used by: crtlew.for, crtpts.for, crtray.for.
KAPPA=real
Multiplicative factor.
Used by: grdckn.for, grdcor.for.
KEXP=real
Exponent of the cosine filter.
Used by: grdcros.for, ss.for.
KMAHI=integer
Switch to exclude the KMAH index from the ray history.
Used by subroutine file rpar.for,
called by program: crt.for.
KODESP=integer
Switch for the description of plots with seismograms.
Used by: sp.for.
KOLERR=integer
Column containing the standard deviations.
Used by: invpts.for.
KOLFUN=integer
Column containing the index of the function or of the complex block.
Used by: invpts.for.
KOLLIN=integer
Column containing the colours for lines.
Used by: linwrl.for.
KOLNEG=integer
Column containing the colours for the negative sides of interfaces.
Used by: srfwrl.for.
KOLOR=positive integer
Index of colour to plot seismograms.
Used by: sp.for.
KOLOR1=positive integer to KOLOR#=positive integer
Indices of colours to plot seismograms.
Used by: sp.for.
KOLORTT=positive integer
Index of colour to plot travel times.
Used by: sp.for.
KOLORTD=positive integer
Index of colour to plot the error bar.
Used by: sp.for.
KOLPOS=integer
Column containing the colours for the positive sides of interfaces.
Used by: srfwrl.for.
KOLPTS=integer
Column containing the colours for points.
Used by: ptswrl.for.
KOLSRF=integer
Column containing the colours for the triangles.
Used by: trglps.for.
KOLUM1=integer
Column with the values.
Used by: ptsselec.for, trglnorm.for, trglsort.for.
KOLUM2=integer
Column with the values.
Used by: ptsselec.for, trglnorm.for, trglsort.for.
KOLUM3=integer
Column with the values.
Used by: ptsselec.for, trglnorm.for.
KOLUMN=integer
Column with the values.
Used by: grdpts.for, intf.for, invpts.for, trglsort.for.
KOLUMN1=integer to KOLUMN9=integer
Column with the values.
Used by: grdpts.for.
KOMP=integer
Component of the GSE seismograms.
Used by: gse2segy.for.
KOMP1=integer, KOMP11=integer to KOMP1#=integer, KOMP2=integer, KOMP21=integer to KOMP2#=integer, KOMP3=integer, KOMP31=integer to KOMP32=integer
Switches for selection of components of seismograms.
Used by: sp.for.
KOOR1=integer
Index of the first coordinate of 2-D section.
Used by: crtlew.for, modle2d.for.
KOOR2=integer
Index of the second coordinate of 2-D section.
Used by: crtlew.for, modle2d.for.
KOORGRD=integer
Kind of coordinates in which the grid for discretization is specified.
Used by: grid.for.
KPHASE=integer
Switch between algebraic and goniometric form of complex amplitudes.
Used by: crtpts.for.
KREC=integer
Switch to decide which points are to be written.
Used by: crtpts.for.
KRGB='string'
Name of the input file with RGB table.
Used by: pallet.for.
KRGBNEW='string'
Name of the output file with RGB table.
Used by: pallet.for.
KSIG=integer
Type of the source time function.
Used by: fd2d.for, ss.for.
KSRC=integer
Switch to modify the initial point of a ray.
Used by: crtpts.for, crtray.for.
KSRFC=integer
Parameter describing the form of file INTF.
Used by: intf.for.
KSURF=integer
Parameter describing surface.
Used by: anisrf.for.
KSWAVE=integer
Switch to trace anisotropic S-wave rays.
Used by subroutine file hder.for,
called by programs: crt.for, crtpfa.for, green.for.
KTT=integer
Switch to control the form of strings in the output file.
Used by: crtpts.for.
KTWO=integer
Switch to convert initial-value to two-point travel time.
Used by: crtpts.for, crtray.for.
KWAVE=integer
Parameter specifying the slowness or ray-velocity surface.
Used by: anisrf.for.
L1=positive integer
Number of small bricks in X1 direction.
Used by: grid.for, net.for.
L1MAX=integer
Maximum number of small bricks in X1 direction.
Used by: netind.for.
L2=positive integer
Number of small bricks in X2 direction.
Used by: grid.for, net.for.
L2MAX=integer
Maximum number of small bricks in X2 direction.
Used by: netind.for.
L3=positive integer
Number of small bricks in X3 direction.
Used by: grid.for, net.for.
L3MAX=integer
Maximum number of small bricks in X3 direction.
Used by: netind.for.
LA1=integer
Numerical parameter.
Used by: fd2d.for.
LATTICEV=integer
Parameter specifying the phase-space density of Gabor functions.
Used by: sgfhom.for.
LATTICEH=integer
Parameter specifying the phase-space density of Gabor functions.
Used by: sgfhom.for.
LEFT=integer
Specifies right-handed or left-handed plot coordinate system.
Used by: trglps.for.
LEMAX=real
Maximum value for the frame with Lyapunov exponents.
Used by: modle2d.for.
LFREE=integer
Switch to decide whether undefined free-space blocks are to be reported.
Used by: modchk.for.
LIN='string'
Name of the file with lines.
Used by: bndlin.for, coorchg.for, grdpts.for, invpts.for, linden.for, linwrl.for.
LINOUT='string'
Name of the file with lines.
Used by: coorchg.for, linden.for.
LOG='string'
Name of the log file.
Used by: grdran2d.for.
LOVER=integer
Indicates whether overlapping blocks are allowed.
Used by: modchk.for.
LPAR='string'
Name of the file with the material parameters to be gridded.
Used by: grid.for.
M1='string'
Name of the file with a single integer number.
Used by: grdcal.for, invpts.for, invsoft.for, invtt.for, modmod.for, smeigen.for, smpower.for, srcsrc.for, trsmsm.for.
M1IN='string'
Name of the file with a single integer number.
Used by: invtt.for.
M1LOC='string'
Name of the file with a single integer number.
Used by: invsoft.for.
M1MOD='string'
Name of the file with a single integer number.
Used by: srcsrc.for.
M2='string'
Name of the file with a single integer number.
Used by: grdcal.for, invpts.for, invtt.for.
M2IN='string'
Name of the file with a single integer number.
Used by: invpts.for, invtt.for.
M4='string'
Name of the file with a single integer number.
Used by: grdfft.for.
MATFUN='string'
Name of the function.
Used by: matfun.for.
MATIN1='string'
Name of the matrix header file.
Used by: matfun.for, matinv.for, matlin.for, matmul.for.
MATIN2='string'
Name of the matrix header file.
Used by: matlin.for, matmul.for.
MATOUT='string'
Name of the matrix header file.
Used by: matfun.for, matinv.for, matlin.for, matmul.for.
MATT1=integer, MATT2=integer
Transposition switch.
Used by: matmul.for.
MAXDIG=positive integer
Number of digits of reals in an output file.
Used by: binasc.for, coorchg.for, crtpfa.for, crtpts.for, crtray.for, grd2d3d.for, grdcal.for, grdcor.for, grdcros.for, grdfd.for, grdfft.for, grdiso.for, grdmerge.for, grdnew.for, grdnorm.for, grdpts.for, grdran.for, grdran2d.for, grdstat.for, grdte.for, grdtrans.for, grdwrl.for, green.for, grid.for, intf.for, linden.for, linwrl.for, mgrd.for, modmod.for, modsrf.for, mtt.for, mttgrd.for, pfatubes.for, ptsgrd.for, ptswrl.for, sgfgrd.for, sgfhom.for, sgfmat.for, srfwrl.for, srp.for, trglnorm.for, trglps.for, trglsort.for, tsurf.for, wfsrf.for.
MAXPTS=integer
Switch enabling to select the maximum value from the input grid.
Used by: grdpts.for.
MGRD='string'
Name of the file with multivalued gridded values.
Used by: mgrd.for, mttgrd.for.
MHIST='string'
Name of the file with gridded histories.
Used by: mtt.for.
MIGR='string'
Name of the input ASCII file containing the names of files with grid values of travel times and amplitudes for Kirchhoff migration.
Used by: grdmigr.for.
MINDIG=positive integer
Minimum number of digits of reals in an output file.
Used by: binasc.for, coorchg.for, crtpfa.for, crtpts.for, crtray.for, grd2d3d.for, grdcal.for, grdcor.for, grdcros.for, grdfd.for, grdfft.for, grdiso.for, grdmerge.for, grdnew.for, grdnorm.for, grdpts.for, grdran.for, grdran2d.for, grdstat.for, grdte.for, grdtrans.for, grdwrl.for, green.for, grid.for, intf.for, linden.for, linwrl.for, mgrd.for, modmod.for, modsrf.for, mtt.for, mttgrd.for, pfatubes.for, ptsgrd.for, ptswrl.for, sgfgrd.for, sgfhom.for, sgfmat.for, srfwrl.for, srp.for, trglnorm.for, trglps.for, trglsort.for, tsurf.for, wfsrf.for.
MODCHK='string'
Name of the file with additional free-space blocks.
Used by: modchk.for.
MODE=integer
Mode of the calculation.
Used by: grdiso.for.
MODEL='string'
Name of the file with the data for a model.
Used by: bndlin.for, coorchg.for, crtin.for, crtpfa.for, green.for, grid.for, intf.for, invpts.for, invsoft.for, invtt.for, modchk.for, modfd.for, modle2d.for, modmod.for, modsrf.for, sec.for, tcrot.for.
MODIN='string'
Name of the file describing the form of the parametrization of the output model.
Used by: modmod.for.
MODIND='string'
Name of the file containing the indices of model parameters.
Used by: invsoft.for, modmod.for.
MODL2='string'
Name of the file containing the L2 scalar products of the model basis functions.
Used by: invsoft.for.
MODLED='string'
Name of the file containing the directional Lyapunov exponents.
Used by: modle2d.for.
MODLEF='string'
Name of the file with the frame of the graph of the directional Lyapunov exponents.
Used by: modle2d.for.
MODLEM='string'
Name of the file containing the mean Lyapunov exponent for the model (a single value).
Used by: modle2d.for.
MODLEW='string'
Name of the file containing the weights for directional Lyapunov exponents.
Used by: crtlew.for, modle2d.for.
MODLOG='string'
Name of the file with the report on the consistency check.
Used by: modchk.for.
MODNEW='string'
Name of the file with the values of model parameters (coefficients at the model basis functions).
Used by: modmod.for, srcsrc.for.
MODOUT='string'
Name of the file describing the new model.
Used by: modmod.for, tcrot.for.
MODPAR='string'
Name of the file with the values of model parameters (coefficients at the model basis functions).
Used by: invsoft.for.
MODSOB='string'
Name of the file containing the Sobolev scalar products of the model basis functions.
Used by: invsoft.for.
MP1='string'
Name of the file with the first component of the slowness vector.
Used by: grdborn.for, mtt.for.
MP2='string'
Name of the file with the second component of the slowness vector.
Used by: grdborn.for, mtt.for.
MP3='string'
Name of the file with the third component of the slowness vector.
Used by: grdborn.for, mtt.for.
MP4='string', MP5='string', MP6='string'
Names of the files with the derivatives of travel time with respect to the coordinates of the source.
Used by: mtt.for.
MPAR=integer
Kind of a material parameter.
Used by: grid.for, invpts.for.
MPQ11='string', MPQ12='string', MPQ13='string', MPQ14='string', MPQ21='string', MPQ22='string', MPQ23='string', MPQ24='string', MPQ31='string', MPQ32='string', MPQ33='string', MPQ34='string', MPQ41='string', MPQ42='string', MPQ43='string', MPQ44='string'.
Names of the files with components of the 4 times 4 ray propagator matrix.
Used by: mtt.for.
MPTS=integer
Number of points of the time functions at the output check plot.
Used by: ss.for.
MTI='string'
Name of the file with imaginary parts of complex travel times.
Used by: mtt.for.
MTT='string'
Name of the file with travel times.
Used by: grdborn.for, mtt.for.
MTT11='string', MTT12='string', MTT22='string', MTT13='string', MTT23='string', MTT33='string'
Names of the files with the second derivatives of travel time.
Used by: mtt.for.
MTTLIN=integer
Switch between bicubic and bilinear interpolation.
Used by: mtt.for.
MTTORDER=real
Order of sorting the multivalued interpolated quantities (ascending or descending).
Used by: mtt.for.
MTTPTS='string'
Name of the output file with points.
Used by: mtt.for.
MTTSORT='string'
Quantity according which the multivalued interpolated quantities are sorted.
Used by: mtt.for.
MTTXX='string'
Name of the file with second derivatives of travel time with respect to the coordinate perpendicular to the 2D grid.
Used by: grdborn.for.
MX4='string', MX5='string', MX6='string'
Name of the file with the coordinates of the initial point of the ray.
Used by: mtt.for.
N1=integer
Number of gridpoints in X1 direction.
Used by: ascbin.for, binasc.for, fd2d.for, fdmod.for, grd2d3d.for, grdborn.for, grdcal.for, grdckn.for, grdcor.for, grdcros.for, grdfd.for, grdfft.for, grdgse.for, grdiso.for, grdmerge.for, grdnew.for, grdnorm.for, grdmigr.for, grdps.for, grdpts.for, grdran.for, grdran2d.for, grdstat.for, grdte.for, grdtrans.for, grdwrl.for, grid.for, invpts.for, mgrd.for, modchk.for, modfd.for, modsrf.for, mtt.for, mttgrd.for, net.for, newpar.for, ptsgrd.for, sgfgrd.for, sgfmat.for, swap.for.
N10=integer
Number of gridpoints in X1 direction.
Used by: grdte.for.
N11=positive integer, N12=positive integer,
Number of gridpoints in X1 direction.
Used by: grdcros.for.
N1FFT=positive integer
Number of gridpoints for the Fourier transform in X1 direction.
Used by: grdfft.for.
N1NEW=integer
Number of gridpoints in X1 direction.
Used by: binasc.for, grdiso.for, grdnew.for, grdnorm.for.
N1OUT=positive integer
Number of gridpoints in X1 direction.
Used by: grdfft.for.
N2=integer
Number of gridpoints in X2 direction.
Used by: ascbin.for, binasc.for, fd2d.for, grd2d3d.for, grdborn.for, grdcal.for, grdckn.for, grdcor.for, grdcros.for, grdfd.for, grdfft.for, grdgse.for, grdiso.for, grdmerge.for, grdmigr.for, grdnew.for, grdnorm.for, grdps.for, grdpts.for, grdran.for, grdran2d.for, grdstat.for, grdte.for, grdtrans.for, grdwrl.for, grid.for, invpts.for, mgrd.for, modchk.for, modfd.for, modsrf.for, mtt.for, mttgrd.for, net.for, newpar.for, ptsgrd.for, sgfgrd.for, sgfmat.for, swap.for.
N20=integer
Number of gridpoints in X2 direction.
Used by: grdte.for.
N21=positive integer, N22=positive integer,
Number of gridpoints in X2 direction.
Used by: grdcros.for.
N2FFT=positive integer
Number of gridpoints for the Fourier transform in X2 direction.
Used by: grdfft.for.
N2NEW=integer
Number of gridpoints in X2 direction.
Used by: binasc.for, grdiso.for, grdnew.for, grdnorm.for.
N2OUT=positive integer
Number of gridpoints in X2 direction.
Used by: grdfft.for.
N3=integer
Number of gridpoints in X3 direction.
Used by: ascbin.for, binasc.for, fd2d.for, fdmod.for, grd2d3d.for, grdborn.for, grdcal.for, grdckn.for, grdcor.for, grdcros.for, grdfd.for, grdfft.for, grdiso.for, grdmerge.for, grdmigr.for, grdnew.for, grdnorm.for, grdps.for, grdpts.for, grdran.for, grdstat.for, grdte.for, grdtrans.for, grdwrl.for, grid.for, invpts.for, mgrd.for, modchk.for, modfd.for, modsrf.for, mtt.for, mttgrd.for, net.for, newpar.for, ptsgrd.for, sgfgrd.for, sgfmat.for, swap.for.
N30=integer
Number of gridpoints in X3 direction.
Used by: grdte.for.
N31=positive integer, N32=positive integer,
Number of gridpoints in X1 direction.
Used by: grdcros.for.
N3FFT=positive integer
Number of gridpoints for the Fourier transform in X3 direction.
Used by: grdfft.for.
N3NEW=integer
Number of gridpoints in X3 direction.
Used by: binasc.for, grdiso.for, grdnew.for, grdnorm.for.
N3OUT=positive integer
Number of gridpoints in X3 direction.
Used by: grdfft.for.
N4=positive integer
Number of time slices ("snapshots").
Used by: fd2d.for, grdcal.for, grdfd.for, grdfft.for, grdnorm.for, grdps.for, grdtrans.for, mgrd.for, mttgrd.for.
N4NEW=positive integer
Number of time slices ("snapshots").
Used by: grdnorm.for.
NA=integer
Number of angles.
Used by: crtlew.for, modle2d.for.
NAME='string'
String containing the GOCAD name of the set of lines, points, or of the surface.
Used by: grdwrl.for, linwrl.for, ptswrl.for, srfwrl.for.
NCRT=positive integer
Total number of executions of program 'crt.for'.
Used by: mtt.for, wfsrf.for.
ND1=positive integer
Multiplication factor of the grid interval along the X1 axis.
Used by: binasc.for, grdiso.for.
ND2=positive integer
Multiplication factor of the grid interval along the X2 axis.
Used by: binasc.for, grdiso.for.
ND3=positive integer
Multiplication factor of the grid interval along the X3 axis.
Used by: binasc.for, grdiso.for.
NDIG=integer
Specification of the output format.
Used by: binasc.for.
NDIM=positive integer
Spatial dimension.
Used by: grdckn.for, grdcor.for.
NDIVTRGL=integer
Specification of the density of triangle vertices along the unit sphere.
Used by: anisrf.for.
NEGPAR=integer
Flag whether the negative values of material parameters are allowed.
Described in file model.for, where subroutine MODEL1 reading this parameter is located.
Used in subroutine PARM2 of file parm.for,
called by programs crt.for, green.for, modfd.for, modsrf.for, grid.for, sec.for, modle2d.for,
and in subroutine PARM2 of file parmv.for,
called by program invtt.for.
NET='string'
Name of the input data file containing the references to other input and output files.
Used by: net.for.
NEWX1=positive integer
Index of the input axis.
Used by: grdtrans.for.
NEWX2=positive integer
Index of the input axis.
Used by: grdtrans.for.
NEWX3=positive integer
Index of the input axis.
Used by: grdtrans.for.
NEWX4=positive integer
Index of the input axis.
Used by: grdtrans.for.
NF=integer
Number of frequencies.
Used by: grdborn.for, green.for, greenss.for, greenmul.for, greentc.for, tcgreen.for.
NFFT=integer
Number of the time samples for the fast Fourier transform.
Used by: grdborn.for, green.for, greenss.for, ss.for.
NFSMAX=integer
Maximum size of a forward star; parameter deciding about TTT mode.
Used by: net.for.
NH=positive integer
Number of sections in rows of the image.
Used by: grdps.for.
NHALF=integer
Kind of finite difference scheme.
Used by: grdfd.for.
NL1MAX=integer
Maximum value of N1*L1.
Used by: netind.for.
NL2MAX=integer
Maximum value of N2*L2.
Used by: netind.for.
NL3MAX=integer
Maximum value of N3*L3.
Used by: netind.for.
NLINDEN=integer
Number of subparts of a line.
Used by: linden.for.
NO1=positive integer
Index of the first output gridpoint along the X1 axis.
Used by: binasc.for, grdiso.for.
NO2=positive integer
Index of the first output gridpoint along the X2 axis.
Used by: binasc.for, grdiso.for.
NO3=positive integer
Index of the first output gridpoint along the X3 axis.
Used by: binasc.for, grdiso.for.
NODATA=real
Value used as the 'property no data value' in GOCAD.
Used by: grdwrl.for.
NORDER=integer
Order of finite difference scheme.
Used by: grdfd.for.
NORMSP=integer
Type of amplitude scaling.
Used by: sp.for.
NPAR1=positive integer
Number of gridpoints corresponding to the first ray take-off parameter.
Used by: mtt.for, wfsrf.for.
NPAR2=positive integer
Number of gridpoints corresponding to the second ray take-off parameter.
Used by: mtt.for, wfsrf.for.
NPOWER=integer
Number of subsequent finite differences.
Used by: hdertest.for.
NQ=integer
Number of quantities.
Used by: crtpts.for, crtray.for.
NREC=positive integer
Number of receivers.
Used by: grdborn.for, grdmigr.for.
NS=integer
Number of segments.
Used by: modle2d.for.
NSAMPL=integer
Number of samples per data trace.
Used by: gse2segy.for.
NSEIS=positive integer
Number of points of a seismogram stored in a grid file.
Used by: grdmigr.for.
NTFD=integer
Number of time levels.
Used by: fd2d.for.
NTIME=positive integer
Number of two-way travel times.
Used by: mtt.for, wfsrf.for.
NTRACE=integer
Number of data traces per record.
Used by: gse2segy.for.
NTT=positive integer
Number of travel-time samples.
Used by: mtt.for, wfsrf.for.
NULL=positive real
Parameter specifying values to be deamed zero.
Used by: sgfmat.for.
NUM='string'
Name of the file with numbers of values at gridpoints.
Used by: grdborn.for, mgrd.for, mtt.for, mttgrd.for.
Note that parameter NUM is equivalent to parameter GRDCALNUM of program grdcal.for.
NUMLIN=positive integer
Maximum number of numbers at one line of an output file.
Used by: binasc.for, gpanal.for, gpmig.for, grd2d3d.for, grdcal.for, grdcor.for, grdcros.for, grdfd.for, grdfft.for, grdmerge.for, grdmigr.for, grdnew.for, grdnorm.for, grdran.for, grdran2d.for, grdstat.for, grdte.for, grdtrans.for, grid.for, mgrd.for, modmod.for, mtt.for, mttgrd.for, ptsgrd.for, sgfgrd.for, tcrot.for.
NUMLINM=positive integer
Maximum number of numbers at one line of an output matrix data file.
Used by: matfun.for, matinv.for, matlin.for, matmul.for, sgfmat.for.
NWAVES=positive integer
Number of the elementary waves.
Used by: mtt.for.
NWRITE=positive integer
Number of calculation steps to update screen output.
Used by: grid.for.
NX=integer
Number of lines for computation of Lyapunov exponents.
Used by: modle2d.for.
NY=integer
Number of sections for computation of Lyapunov exponents.
Used by: modle2d.for.
O1=real
First coordinate of the origin of a grid.
Used by: fd2d.for, fdmod.for, grdckn.for, grdcor.for, grdcros.for, grdfft.for, grdiso.for, grdnew.for, grdnorm.for, grdpts.for, grdte.for, grdwrl.for, invpts.for, modfd.for, modsrf.for, mtt.for, net.for, ptsgrd.for, sgfgrd.for, sgfmat.for.
O10=real
First coordinate of the origin of a grid.
Used by: grdte.for.
O11=real, O12=real
First coordinate of the origin of a grid.
Used by: grdcros.for.
O1NEW=real
First coordinate of the origin of a grid.
Used by: grdnew.for, grdnorm.for.
O1OUT=real
First coordinate of the origin of a grid.
Used by: grdfft.for.
O2=real
Second coordinate of the origin of a grid.
Used by: grdckn.for, grdcor.for, grdcros.for, grdfft.for, grdiso.for, grdnew.for, grdnorm.for, grdpts.for, grdte.for, grdwrl.for, invpts.for, modfd.for, modsrf.for, mtt.for, net.for, ptsgrd.for, sgfgrd.for, sgfmat.for.
O20=real
Second coordinate of the origin of a grid.
Used by: grdte.for.
O21=real, O22=real
Second coordinate of the origin of a grid.
Used by: grdcros.for.
O2NEW=real
Second coordinate of the origin of a grid.
Used by: grdnew.for, grdnorm.for.
O2OUT=real
Second coordinate of the origin of a grid.
Used by: grdfft.for.
O3=real
Third coordinate of the origin of a grid.
Used by: fd2d.for, fdmod.for, grd2d3d.for, grdckn.for, grdcor.for, grdcros.for, grdfft.for, grdiso.for, grdnew.for, grdnorm.for, grdpts.for, grdte.for, grdwrl.for, invpts.for, modfd.for, modsrf.for, mtt.for, net.for, ptsgrd.for, sgfgrd.for, sgfmat.for.
O30=real
Third coordinate of the origin of a grid.
Used by: grdte.for.
O31=real, O32=real
Third coordinate of the origin of a grid.
Used by: grdcros.for.
O3NEW=real
Third coordinate of the origin of a grid.
Used by: grdnew.for, grdnorm.for.
O3OUT=real
Third coordinate of the origin of a grid.
Used by: grdfft.for.
O4=real
Time corresponding to the first spatial grid.
Used by: grdnorm.for.
Time of the first snapshot.
Used by: fd2d.for.
O4NEW=real
Time corresponding to the first spatial grid.
Used by: grdnorm.for.
OA=real
The first angle.
Used by: crtlew.for, modle2d.for.
OF=real
The first frequency.
Used by: grdborn.for, green.for, greenss.for, greentc.for, tcgreen.for.
OFSS=real
The first frequency.
Used by: greenss.for.
OLDMOD=real
Percentage of the kept original model.
Used by: modmod.for.
OPAR1=real
The first ray take-off parameter corresponding to the first gridpoint.
Used by: mtt.for, wfsrf.for.
OPAR2=real
The second ray take-off parameter corresponding to the first gridpoint.
Used by: mtt.for, wfsrf.for.
OSEIS=real
Time of the first sample of a seismogram stored in a grid file.
Used by: grdmigr.for.
OT=real
Initial travel time.
Used by: greentc.for.
OTIME=real
Two-way travel time of the first sample.
Used by: mtt.for, wfsrf.for.
OTT=real
Travel time of the first sample.
Used by: mtt.for, wfsrf.for.
OUTU='string'
Name of the file with seismograms.
Used by: fd2d.for.
OUTW='string'
Name of the file with seismograms.
Used by: fd2d.for.
P1=real,P2=real,P3=real
Components of a slowness vector.
Used by: hdertest.for.
PICDAT='string'
Name of the input file to control plotting.
Used by: pictures.for.
PICTURE='string'
Name of the output PostScript file with the plotted picture.
Used by: pictures.for.
PLGN='string'
Name of the file with polygons (indices of vertices).
Used by: grdpts.for, modsrf.for, plgn.for, trgl.for, wfsrf.for.
PLGNS='string'
Name of the file with polygons (names of vertices).
Used by: modsrf.for, plgn.for, tsurf.for, wfsrf.for.
PLIGHT='string'
Name of the file with point lights.
Used by: iniwrl.for.
PLIM1=real
Minimum of the first plot coordinate.
Used by: rpplot.for.
PLIM2=real
Maximum of the first plot coordinate.
Used by: rpplot.for.
PLIM3=real
Minimum of the second plot coordinate.
Used by: rpplot.for.
PLIM4=real
Maximum of the second plot coordinate.
Used by: rpplot.for.
POWER=real
Power of the matrix.
Used by: smpower.for.
POWER01=real to POWER69=real
Power of the quantity to be written to the corresponding column.
Used by: modsrf.for, wfsrf.for.
POWERM=real
Power of the material parameter.
Used by: invpts.for.
POWERN=real
Exponent or index related to fractal dimension (e.g., the exponent describing the self-affine random medium).
Used by: grdckn.for, grdcor.for, grdran2d.for, loc1.cal.
PROJ1=real
First component of the projection vector.
Used by: mtt.for.
PROJ2=real
Second component of the projection vector.
Used by: mtt.for.
PROJ3=real
Third component of the projection vector.
Used by: mtt.for.
PROPERTIES='string'
String containing names of properties.
Used by: linwrl.for, ptswrl.for, srfwrl.for.
PROPERTY='string'
String containing the name of property.
Used by: grdwrl.for.
PS='string'
Name of the output PostScript file.
Used by: grdps.for.
PSHEX='string'
Name of the output file containing hexadecimal grid data and the PostScript trailer.
Used by: grdps.for.
PTS='string'
Name of the file with points.
Used by: coorchg.for, crtpts.for, grdckn.for, grdiso.for, grdpts.for, invpts.for, invtt.for, mtt.for, ptsgrd.for, ptsselec.for, ptswrl.for, sgfhom.for, sp.for.
PTS1='string'
Name of the file with points.
Used by: grdiso.for, invtt.for.
PTS2='string' to PTS9='string'
Name of the file with points.
Used by: invtt.for.
PTSGRD='string'
Name of the output with grid values at points.
Used by: ptsgrd.for.
PTSNEW='string'
Name of the file with points.
Used by: ptsselec.for.
PTSOUT='string'
Name of the file with points.
Used by: coorchg.for.
QFC='string'
Name of the output file with gridded P-wave quality factor.
Used by: fdmod.for, modfd.for.
QICHM=integer
Switch deciding about optional quasi-isotropic modification of the Christoffel matrix.
Used by: green.for.
QIDT=integer
Switch deciding about optional quasi-isotropic modification of the difference between the anisotropic travel times.
Used by: green.for.
QILST='string'
Name of the file containing second-order perturbations of anisotropic travel times of S waves.
Used by: green.for.
QILSTA='string'
Name of the input/output file.
Used by: watable.for.
QILSTI='string'
Name of the input/output file.
Used by: watable.for.
QIPV=integer
Switch deciding about optional quasi-isotropic projection of the polarization vectors.
Used by: green.for, mtt.for.
QIRAY=integer
Switch deciding about optional second-order perturbation of anisotropic travel times of S waves.
Used by: crtpfa.for, green.for.
QITT=integer
Switch deciding about optional quasi-isotropic modification of the average anisotropic travel time.
Used by: green.for.
QMIN=real
Minimum value of point-source geometrical spreading. Smaller grid values are replaced by QMIN.
Used by: q2.cal.
QMAX=real
Maximum value of point-source geometrical spreading. Greater grid values are replaced by QMAX.
Used by: q2.cal.
R=real
Content of red in the colour of background.
Used by: grdps.for, iniwrl.for, trglps.for.
Content of red in the colour of lines.
Used by: linwrl.for,
Content of red in the colour of points.
Used by: ptswrl.for,
Content of red in the colour of surfaces.
Used by: srfwrl.for,
RANDIS='string'
Specification of the random distribution.
Used by: grdran.for, grdran2d.for.
RANOUT='string'
Name of the file with pseudorandom values.
Used by: grdran.for.
RAYS='string'
Name of the file with rays.
Used by: crtray.for.
REC='string'
Name of the file with receiver(s).
Used by: crtin.for, crtpts.for, crtray.for, fd2d.for, grdborn.for, green.for, greenti.for, rpplot.for, sp.for, tcgreen.for.
REDUNDANCY=real
Parameter specifying the phase-space density of Gabor functions.
Used by: sgfhom.for.
RELAMP=positive real
Parameter specifying relative decay of the Gaussian envelope.
Used by: sgfgrd.for, sgfmat.for.
RF='string'
Name of the file with the frequency-domain response function.
Used by: grdborn.for, greenss.for, ss.for.
RHOPER='string'
Name of the file with gridded values of perturbations of density.
Used by: grdborn.for.
RIDGE1=positive real
Numerical parameter controlling the check for the ridges of the first-arrival travel time.
Used by: net.for.
RIDGE2=positive real
Numerical parameter controlling the check for the ridges of the first-arrival travel time.
Used by: net.for.
RLMAX=nonnegative real
Parameter controlling the low-pass wavenumber cosine filter.
Used by: grdran2d.for.
RLMIN=nonnegative real
Parameter controlling the low-pass wavenumber cosine filter.
Used by: grdran2d.for.
RMATRIX='string'
Name of file with the parameters of fine layered structures at the receiver sites.
Used by: greenss.for.
ROTATE=real
Angle in degrees to rotate the image.
Used by: grdps.for, trglps.for.
RPAR='string'
Name of the file with the data specifying the take-off parameters of the rays.
Used by: crtin.for, rpplot.for.
RPAREW='string'
Name of the file with the data RPAR-(4).
Used by: crtin.for.
RPPLOT='string'
Name of the output PostScript file.
Used by: rpplot.for.
SAMP=real
Parameter to amplify the rotation before further processing of wavefield snapshots.
Used by: snap.cal.
SCRANSI=integer
Identification how the screen handles the ANSI escape sequences.
Used by: crtin.for.
SCRBBOX1=real, SCRBBOX2=real, SCRBBOX3=real, SCRBBOX4=real
Bounding box (plotting area) of the graphical screen output.
Used by: crtin.for.
SCRLINE=real
Estimated thickness of a line plotted on the screen (in the CalComp units).
Used by: crtin.for.
SCRPLUS=integer
Identification how the screen handles the first character of a record.
Used by: crtin.for.
SCRHEIGHT=integer
Screen height in lines.
Used by: crtin.for.
SCRWIDTH=integer
Screen width in characters.
Used by: crtin.for.
SECDAT='string'
Name of the file containing input data for the specification of the sections of the model.
Used by: sec.for.
SECTS='string'
Name of the output file with the generated sections.
Used by: sec.for.
SGF='string'
Name of the file with structural Gabor functions.
Used by: sgfgrd.for, sgfhom.for, sgfmat.for.
SGFAMP='string'
Name of the file with amplitudes of Gabor functions.
Used by: sgfgrd.for.
SGFMAT='string'
Name of the file with matrix of the scalar products between the real-valued functions corresponding to individual unknown real-valued coefficients.
Used by: sgfmat.for.
SGFRHS='string'
Name of the file with vector of the scalar products of the given gridded real-valued quantity with the real-valued functions corresponding to individual unknown real-valued coefficients.
Used by: sgfmat.for.
SGFPTS='string'
Name of the output file linking structural Gabor functions to central points.
Used by: sgfhom.for.
SHIFT1=real
First component of the shifting vector.
Used by: linwrl.for, ptswrl.for, tsurf.for.
SHIFT2=real
Second component of the shifting vector.
Used by: linwrl.for, ptswrl.for, tsurf.for.
SHIFT3=real
Third component of the shifting vector.
Used by: linwrl.for, ptswrl.for, tsurf.for.
SHININESS=real
Shininess of the surfaces (sometimes called transmit).
Used by: srfwrl.for.
SHOWPAGE=integer
Optionally disabling the PostScript "showpage" command.
Used by: grdps.for, pictures.for, rpplot.for, sp.for, ss.for.
SIGA=real
Amplitude of the maximum of the signal or its envelope.
Used by: ss.for.
Reference amplitude of the excitation wavelet.
Used by: fd2d.for.
SIGDIG='string'
Name of the file containing the digitized time function.
Used by: ss.for.
SIGF=positive real
Reference frequency.
Used by: fd2d.for, ss.for.
SIGGSE='string'
Name of the file in the GSE format containing the source time function and its Hilbert transform (for seismic force), or their derivatives (for seismic moment).
Used by: greenss.for, ss.for.
SIGPH=real
Phase in radians.
Used by: ss.for.
SIGPLOT='string'
Name of the output PostScript file.
Used by: ss.for.
SIGT=real
Reference time of the given signal.
Used by: ss.for.
SIGW=positive real
Relative width of the signal.
Used by: ss.for.
SIN2TH=real
Parameter describing the twisted crystal model.
Used by: tcgreen.for.
SINGLF=positive real
Prevailing frequency for the prevailing-frequency approximation of the coupling ray theory.
Used by: crtpfa.for, green.for.
SINTER=real
Sample interval.
Used by: gse2segy.for.
SM1='string'
Name of the file with a symmetric matrix.
Used by: smeigen.for, smpower.for, trsmsm.for.
SM2='string'
Name of the file with a symmetric matrix.
Used by: smpower.for, trsmsm.for.
SMALL=positive real
Parameter to neglect relatively small amplitudes.
Used by: ss.for.
SNAP1='string'
Name of the output file with the displacement.
Used by: fd2d.for.
SNAP3='string'
Name of the output file with the displacement.
Used by: fd2d.for.
SOBMUL=real
Scaling parameter of the Sobolev scalar products.
Used by: addsob.cal.
SOBOLEV='string'
Name of the file with the coefficients describing the Sobolev scalar product under consideration.
Used by: invsoft.for.
SOBW00=real to SOBW47=real
Weights of Sobolev scalar products.
Used by: invsoft.for.
SOURCE='string'
Name of the file with the seismic force or moment.
Used by: greenss.for.
SP1='string'
Name of the output PostScript file with the plot of the first component of the synthetic seismograms.
Used by: sp.for.
SP2='string'
Name of the output PostScript file with the plot of the second component of the synthetic seismograms.
Used by: sp.for.
SP3='string'
Name of the output PostScript file with the plot of the third component of the synthetic seismograms.
Used by: sp.for.
SPAMP=real
Amplitude scale for all 3 components.
Used by: sp.for.
SPAMP1=real to SPAMP#=real
Individual amplitude scales for SS1 to SS#.
Used by: sp.for.
SPAMPX='string'
Name of the optional input data file, which specifies different amplitude scaling for individual receivers.
Used by: sp.for.
SPAMPX1=real
Amplitude scale for the first component.
Used by: sp.for.
SPAMPX2=real
Amplitude scale for the second component.
Used by: sp.for.
SPAMPX3=real
Amplitude scale for the third component.
Used by: sp.for.
SPARSE=integer
Sparseness of the matrix
Used by: matfun.for, matinv.for, matlin.for, matmul.for.
SPCHRH=real
Character height in cm.
Used by: sp.for.
SPDIST=real
Reference hypocentral distance for the amplitude power scaling.
Used by: sp.for.
SPECULAR=real
Intensity of the specular reflections from glossy surfaces.
Used by: srfwrl.for.
SPEXP=real
Exponential scaling of seismograms with respect to time.
Used by: sp.for.
SPEXP1=real to SPEXP#=real
Individual scale exponents for SS1 to SS#.
Used by: sp.for.
SPEXPT=real
Exponential scaling of seismograms with respect to time.
Used by: sp.for.
SPHILI='string'
Name of the file with the travel times to be highlighted.
Used by: sp.for.
SPHIWI=real
Width of the highlighted area when plotting travel times.
Used by: sp.for.
SPOWER=real
Exponent of the amplitude power scaling.
Used by: sp.for.
SPOWER1=real to SPOWER#=real
Individual exponents of the amplitude power scaling for SS1 to SS#.
Used by: sp.for.
SPPAR='string'
Name of an optional input SEP parameter file.
Used by: sp.for.
SPSYMH=real
Height of symbols.
Used by: sp.for.
SPSYMTT=integer
Index of symbols.
Used by: sp.for.
SPTDEC=integer
Number of decimal places of times written along the time axis.
Used by: sp.for.
SPTDIV=real
Number of intervals along the time axis.
Used by: sp.for.
SPTEXT1='string' to SPTEXT4='string'
Text to be written to the plot.
Used by: sp.for.
SPTLEN=real
Length of the vertical time axis in cm.
Used by: sp.for.
SPTMAX=real
Maximum time or reduced time.
Used by: sp.for.
SPTMIN=real
Minimum time or reduced time.
Used by: sp.for.
SPTSUB=real
Number of subintervals.
Used by: sp.for.
SPTTC='string'
Name of the file for plotting of travel-time curves.
Used by: sp.for.
SPVRED=real
Reduction velocity.
Used by: sp.for.
SPXDEC=integer
Number of decimal places of coordinates written along the horizontal axis.
Used by: sp.for.
SPXDIV=real
Number of intervals along the horizontal axis.
Used by: sp.for.
SPXLEN=real
Length of the horizontal axis in cm.
Used by: sp.for.
SPXMAX=real, SPXMAX1=real to SPXMAX#=real
Maximum of the horizontal plot axis.
Used by: sp.for.
SPXMIN=real, SPXMIN1=real to SPXMIN#=real
Minimum of the horizontal plot axis.
Used by: sp.for.
SPXSUB=real
Number of subintervals.
Used by: sp.for.
SPYMAX=real, SPYMAX1=real to SPYMAX#=real
Maximum of the vertical plot axis.
Used by: sp.for.
SPYMIN=real, SPYMIN1=real to SPYMIN#=real
Minimum of the vertical plot axis.
Used by: sp.for.
SRC='string'
Name of the file with source(s).
Used by: crtin.for, crtpts.for, crtray.for, fd2d.for, grdborn.for, green.for, sp.for, srcsrc.for, tcgreen.for.
SRCNEW='string'
Name of the file with source(s).
Used by: srcsrc.for.
SRF0=real, SRF1=real, SRF2=real, SRF3=real
Parameter specifying the surface with seismic sources and receivers.
Used by: sgfhom.for.
SRP='string'
Name of the file with the unshifted points and derivatives.
Used by: srp.for.
SS='string'
Name of the file with the seismograms in the GSE format.
Used by: fd2d.for, grdgse.for, greenss.for, sp.for, ss.for, gsecal.for.
SS1='string' to SS#='string'
Names of the files with seismograms in the GSE format.
Used by: sp.for, gsecal.for.
SSLOG='string'
Name of the output log file of program SS.
Used by: ss.for.
SSPLOT='string'
Name of the output PostScript file.
Used by: ss.for.
SSVRED=real
Specification of the time window for the synthetic seismograms.
Used by: ss.for.
STATIN='string'
Name of the file containing the input gridded data.
Used by: grdstat.for.
STATOUT='string'
Name of the file containing the rescaled gridded data.
Used by: grdstat.for.
SYMBOLS='string'
Name of the file with indices of symbols for ray histories.
Used by: rpplot.for.
SYMMETRY='string'
Symmetry of the matrix.
Used by: matmul.for.
T=real
Arrival time at the receiver.
Used by: loc1.cal.
TAPER=real
Spatial cosine windowing of seismograms during migration.
Used by: grdmigr.for.
TCCOMP='string'
Name of the file with differences of propagator matrices.
Used by: tcfd.for, tccomp.for.
TCE1=real
First component of the rotation vector.
Used by: tcgreen.for, tcrot.for.
TCE2=real
Second component of the rotation vector.
Used by: tcgreen.for, tcrot.for.
TCE3=real
Third component of the rotation vector.
Used by: tcgreen.for, tcrot.for.
TCFDX='string'
Name of the output file.
Used by: tcfd.for.
TCFDX='string'
Name of the input file.
Used by: tcfd.for.
TCFDY='string'
Name of the input file.
Used by: tcfd.for.
TCGREENA='string'
Name of the file with the anisotropic propagator matrix.
Used by: tcgreen.for.
TCGREENE='string'
Name of the file with the exact propagator matrix.
Used by: tcgreen.for.
TCGREENI='string'
Name of the file with the isotropic propagator matrix.
Used by: tcgreen.for.
TCGREENQ='string'
Name of the file with the quasi-isotropic propagator matrix.
Used by: tcgreen.for.
TCGREENW='string'
Name of the file with the coupling ray theory propagator matrix.
Used by: tcgreen.for.
TCK=real
Parameter describing the twisted crystal model.
Used by: tcgreen.for.
TCSTRESS='string'
Name of the file with the stress components.
Used by: tcfd.for, tcgreen.for.
TERR=real
Standard deviation of the arrival time.
Used by: loc1.cal.
TEXTP='string'
First part of the names of points.
Used by: modsrf.for, wfsrf.for.
TI0=real, TI1=real, TI2=real, TI3=real, TI11=real, TI12=real, TI22=real, TI13=real, TI23=real, TI33=real, TI111=real, TI112=real, TI122=real, TI222=real, TI113=real, TI123=real, TI223=real, TI133=real, TI233=real, TI333=real
Imaginary part of phase of a complex function and its derivatives.
Used by: grdte.for.
TIA1=real, TIA2=real, TIA3=real
Symmetry axis of a transversely isotropic medium.
Used by subroutine file hder.for,
called by programs: crt.for, crtpfa.for, green.for.
Used also by program: greenti.for.
TIAXIS='string'
Name of the output file with the reference symmetry vector.
Used by: tiaxis.for.
TIMUL=nonnegative real
Multiplication factor for the imaginary part of the travel time.
Used by: greenss.for.
TINT=nonnegative real
Maximum time interval.
Used by: greenss.for.
TMIN=real
Time of the samples.
Used by: gsecal.for.
TOCART=integer
Type of the transformation to be performed.
Used by: coorchg.for.
TR0=real, TR1=real, TR2=real, TR3=real, TR11=real, TR12=real, TR22=real, TR13=real, TR23=real, TR33=real, TR111=real, TR112=real, TR122=real, TR222=real, TR113=real, TR123=real, TR223=real, TR133=real, TR233=real, TR333=real
Real part of phase of a complex function and its derivatives.
Used by: grdte.for.
TRACE='string'
Name of the file with a trace of a matrix.
Used by: trsmsm.for.
TRANSP=real
Transparency of the surfaces (sometimes called transmit).
Used by: grdwrl.for, srfwrl.for.
TRED=real
Specification of the time window for the synthetic seismograms.
Used by: ss.for.
TREF=real
Optional reference arrival time. Need not be specified.
Used by: loc1.cal, loc2.cal.
TRGL='string'
Name of the file with triangles.
Used by: anisrf.for, grdpts.for, srfwrl.for, trgl.for, trglnorm.for, trglps.for, trglsort.for.
TRGLN='string'
Name of the file with triangles.
Used by: trglnorm.for, trglsort.for.
TRGLN1='string'
Name of the file with triangles.
Used by: trglsort.for.
TRGLN2='string'
Name of the file with triangles.
Used by: trglsort.for.
TRGLPS='string'
Name of the output PostScript file.
Used by: trglps.for.
TTDMAX=real
Maximum value of the second travel-time derivatives.
Used by: mtt.for, wfsrf.for.
TTERR1=real
Travel-time error at travel time equal to 1 unit.
Used by: loc1.cal.
TSTART=real
Start time.
Used by: grdgse.for.
TSTEP=real
Time step.
Used by: grdgse.for.
TSURF='string'
Name of the file with GOCAD triangulated surfaces.
Used by: tsurf.for.
UEBMUL=real
Multiplicative factor for upper error bound in determining the point of intersection of a ray with a surface.
Used by: crtin.for.
UNDEF=real
Value used for undefined real values.
Used by: ascbin.for, binasc.for, coorchg.for, crtin.for, crtpts.for, crtray.for, gbopt.for, gpanal.for, gpmig.for, gpstep.for, gpsynt.for, grd2d3d.for, grdborn.for, grdcal.for, grdcor.for, grdcros.for, grdfd.for, grdfft.for, grdgse.for, grdiso.for, grdmerge.for, grdmigr.for, grdnew.for, grdnorm.for, grdps.for, grdpts.for, grdran.for, grdran2d.for, grdstat.for, grdte.for, grdtrans.for, grdwrl.for, green.for, greenmul.for, greenss.for, greentc.for, greenti.for, grid.for, gsecal.for, iniwrl.for, intf.for, invpts.for, invtt.for, linden.for, linwrl.for, matfun.for, mgrd.for, modmod.for, mtt.for, mttgrd.for, ptsgrd.for, ptsps.for, ptsselec.for, sgfgrd.for, sgfmat.for, sp.for, ss.for, tcrot.for, trglnorm.for, trglsort.for, wfsrf.for.
UNIT='string'
The string specifying length units.
Used by: grdps.for, trglps.for.
UP1=real
First component of a vector pointing upwards.
Used by: iniwrl.for.
UP2=real
Second component of a vector pointing upwards.
Used by: iniwrl.for.
UP3=real
Third component of a vector pointing upwards.
Used by: iniwrl.for.
V0=real
Parameter describing the twisted crystal model.
Used by: tcgreen.for.
VADD=real
Controls the default value of VPER.
Used by: grdwrl.for, linwrl.for, ptswrl.for, srfwrl.for, trglps.for.
VALUE=real
Real value.
Used by: grdiso.for, trglsort.for.
VBLACK=real
Brightness interpretation: value corresponding to black.
Used by: grdps.for.
VBRI=real
Extent of values corresponding to the whole brightness range.
Used by: grdps.for.
VBRI4=real
Enables to modify VBRI in dependence on time levels.
Used by: grdps.for.
VCIRC=real
Extent of values corresponding to the whole colour circle RGB.
Used by: grdps.for.
VCIRC4=real
Enables to modify VCIRC in dependence on time levels.
Used by: grdps.for.
VDIV=real
Period of values corresponding to one colour.
Used by: trglps.for.
VECT1=real
First component of the selection vector.
Used by: trglnorm.for.
VECT2=real
Second component of the selection vector.
Used by: trglnorm.for.
VECT3=real
Third component of the selection vector.
Used by: trglnorm.for.
VEL='string'
Name of the file with the values at gridpoints.
Used by: grid.for.
VEL1='string'
Name of the file with first partial derivatives at gridpoints.
Used by: grid.for.
VEL2='string'
Name of the file with first partial derivatives at gridpoints.
Used by: grid.for.
VEL3='string'
Name of the file with first partial derivatives at gridpoints.
Used by: grid.for.
VEL11='string'
Name of the file with second partial derivatives at gridpoints.
Used by: grid.for.
VEL12='string'
Name of the file with second partial derivatives at gridpoints.
Used by: grid.for.
VEL22='string'
Name of the file with second partial derivatives at gridpoints.
Used by: grid.for.
VEL13='string'
Name of the file with second partial derivatives at gridpoints.
Used by: grid.for.
VEL23='string'
Name of the file with second partial derivatives at gridpoints.
Used by: grid.for.
VEL33='string'
Name of the file with second partial derivatives at gridpoints.
Used by: grid.for.
VER1=real
Numerical parameter controling the interpolation.
Used by: net.for.
VER2=real
Numerical parameter controling the interpolation.
Used by: net.for.
VMAX=real
Values greater than or equal to VMAX will be deemed undefined.
Used by: grdnorm.for, grdps.for, grdpts.for.
VMEAN=real
Desired mean value.
Used by: grdran2d.for, grdstat.for.
VMIN=real
Values less than or equal to VMIN will be deemed undefined.
Used by: grdnorm.for, grdps.for, grdpts.for.
VMUL=real
Controls the default value of VPER.
Used by: grdwrl.for, linwrl.for, ptswrl.for, srfwrl.for, trglps.for.
VOFFSET=real
Distance from the bottom paper edge.
Used by: grdps.for, trglps.for.
VP='string'
Name of the output file with gridded P-wave velocity.
Used by: modfd.for.
VPER=real
Period of values corresponding to one period in the colour map.
Used by: grdwrl.for, linwrl.for, ptswrl.for, srfwrl.for, trglps.for.
VPLUS=real
Controls the default value of VCIRC.
Used by: grdps.for.
VPOWER=real
Velocity power for the computation of the travel-time check sum.
Used by: invtt.for.
VPPER='string'
Name of the file with gridded values of perturbations of the product of the density and the square of P-wave velocity.
Used by: grdborn.for.
VREF=real
Value corresponding to reference colour.
Used by: grdps.for, grdwrl.for, linwrl.for, ptswrl.for, srfwrl.for, trglps.for.
VREF2=real
Parameter describing the twisted crystal model.
Used by: tcgreen.for.
VRML='string'
Virtual reality scene description language.
Used by: grdwrl.for, iniwrl.for, linwrl.for, ptswrl.for, srfwrl.for.
VRTX='string'
Name of the file with vertices.
Used by: anisrf.for, modsrf.for, plgn.for, ptsselec.for, srfwrl.for, trgl.for, trglnorm.for, trglps.for, trglsort.for, tsurf.for, wfsrf.for.
VRTXN='string'
Name of the file with vertices.
Used by: trglnorm.for, trglsort.for.
VRTXN1='string'
Name of the file with vertices.
Used by: trglsort.for.
VRTXN2='string'
Name of the file with vertices.
Used by: trglsort.for.
VS='string'
Name of the output file with gridded S-wave velocity.
Used by: modfd.for.
VSAT=real
The extent of values corresponding to the whole saturation range.
Used by: grdps.for.
VSAT4=real
Enables to modify VSAT in dependence on time levels.
Used by: grdps.for.
VSIGN=real
Controls the default value of VCIRC.
Used by: grdps.for.
VSIZE=real
Vertical size of the image.
Used by: grdps.for, rpplot.for, trglps.for.
VSPER='string'
Name of the file with gridded values of perturbations of the product of the density and the square of S-wave velocity.
Used by: grdborn.for.
VSRC=real
Velocity at the source point for numerical calculation of point-source geometrical spreading from slowness vectors.
Used by: q2.cal.
VWHITE=real
Saturation interpretation: value corresponding to white.
Used by: grdps.for.
WFTIME=real
Travel time of the wavefront.
Used by: wfsrf.for.
WKMAX=real
Parameter controlling values of wavenumber vector.
Used by: sgfhom.for.
WKMIN=real
Parameter controlling values of wavenumber vector.
Used by: sgfhom.for.
WRIT='string'
Name of the file specifying the names of the output files with the computed quantities.
Used by: crtin.for.
WRITEW='string'
Name of the file with data WRIT-(6).
Used by: crtin.for.
WRL='string'
Name of the output file.
Used by: grdwrl.for, iniwrl.for, linwrl.for, ptswrl.for, srfwrl.for.
WRLINI='string'
Name of the file to be copied to the beginning of the output file.
Used by: iniwrl.for.
WRLOUT='string'
Name of the output file.
Used by: grdwrl.for, linwrl.for, ptswrl.for, srfwrl.for.
X1HIGH=real
Parameter controlling the cosine filter.
Used by: grdcros.for.
X1LOW=real
Parameter controlling the cosine filter.
Used by: grdcros.for.
X1MAX=real, X2MAX=real, X3MAX=real
Parameter controlling the cosine filter or spatial coordinates.
Used by: grdcros.for, sgfhom.for.
X1MIN=real, X2MIN=real, X3MIN=real
Parameter controlling the cosine filter or spatial coordinates.
Used by: grdcros.for, sgfhom.for.
X3=real
Source-receiver distance.
Used by: tcgreen.for.
XDLOC=real
Value of diagonal terms corresponding to source coordinates.
Used by: invsoft.for.
XSIGN=real
Determines the sign of the default value of HSIZE.
Used by: grdps.for, trglps.for.
YSIGN=real
Determines the sign of the default value of VSIZE.
Used by: grdps.for, trglps.for.