Editing Documentation:system/seismic (section)

==sfpveltran3==
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! colspan="4" style="background:#ffdead;" | Slope-based tau-p 3D velocity transform for elliptical anisotropy.
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! colspan="4" | sfpveltran3 < input.rsf > velx.rsf vely=vely.rsf velxy=velxy.rsf cmp=cmp.rsf dipx=dipx.rsf dipy=dipy.rsf dipxy=dipxy.rsf map=n interval=n nvx= vx0= dvx= nvy=nvx vy0=vx0 dvy=dvx nvxy=101 vxy0=-0.1 dvxy=0.1 nw=4
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|  colspan="4" |  * The program returns the squared velocity vx,vy,vxy spectra or maps<br> 
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| ''string '' || '''cmp=''' ||   || 	auxiliary input file name
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| ''string '' || '''dipx=''' ||   || 	auxiliary input file name
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| ''string '' || '''dipxy=''' ||   || 	auxiliary input file name
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| ''string '' || '''dipy=''' ||   || 	auxiliary input file name
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| ''float  '' || '''dvx=''' ||   || 	vx squared velocity sampling
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| ''float  '' || '''dvxy=0.1''' ||   || 	vxy   velocity sampling
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| ''float  '' || '''dvy=dvx''' ||   || 	vy squared  velocity sampling
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| ''bool   '' || '''interval=n''' ||  [y/n] || 	interval values by 3D stripping equations
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| ''bool   '' || '''map=n''' ||  [y/n] || 	output maps instead of coherency panels
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| ''int    '' || '''nvx=''' ||   || 	number of vx squared velocities
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| ''int    '' || '''nvxy=101''' ||   || 	number of vxy velocities
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| ''int    '' || '''nvy=nvx''' ||   || 	number of vy squared velocities
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| ''int    '' || '''nw=4''' ||   || 	interpolator size (2,3,4,6,8)
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| ''file   '' || '''velxy=''' ||   || 	auxiliary output file name
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| ''file   '' || '''vely=''' ||   || 	auxiliary output file name
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| ''float  '' || '''vx0=''' ||   || 	vx squared velocity origin
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| ''float  '' || '''vxy0=-0.1''' ||   || 	vxy   velocity origin
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| ''float  '' || '''vy0=vx0''' ||   || 	vy squared  velocity origin
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