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Name
trg — Triangulate point data
Syntax
trg [rlf | inl | fau]
Description
Creates a triangle mesh from input points. The triangulation is of Delaunay type which tries to optimize the triangle with respect to equal sides.
Arguments
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No argument. Triangulate the input data. Only the points are honoured.
inl
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Convert a seismic inline to a triangulated seismic section.
rlf x | y | z sca scalefactor
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Turn the scalar values into x | y | z coordinates as a relief using scalefactor to control the expansion.
fau faultlines
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Make triangulated polydata in workspace faultlines within the fault polygon if the points are ordered counterclockwise. Otherwise it will be outside the fault polygon.
Examples
Ex.1: Triangulation towards faults
# Gridding of welldata and closed stick faults
xwi sel ;# select and raise current window if hidden
wmp name {Geocap Closed Stick Faults} ; # window name
set datapath [file join $Geocap::geocapdir data]
vie def ini ;# viewport default and initiate
rea $datapath/csf_wells.vtk ;# read well data
ssc ;# self scale
poi ;# display points
col whi ;# white colour
poi val ;# display point values
mhi csf_wells ;# save in high
rea $datapath/csf_faults.vtk ;# read faults
col red ;# red colour
pol ;# polygon display
mhi csf_fau ;# save in high
d2 ;# 2d mode
dra win ;# draw windows frame
sta Welldata and closed stick faults ;# stack text
col gre ;# select green colour
tx2 lle ;# 2d text
tx2 ule txt {Gridding is in progress ..... Wait}
mlo csf_wells ;# move down well data
grp 88 88 trg csf csf_fau ;# grid welldata, triangulate closed stick faults
d3 ;# 3d mode
upd d ;# downwards view
z ;# erase screen
scaz 4 ;# scale_in_z, turn off by: scaz off
ssc ;# self scale
acm n 12 nor sma ;# colour map
mhi trgdata ;# save in high the result model data
mlo closedGenFaults ;# move down closed stick faults with values
col red ;# red colour
pot .5 ;# tube with size
mlo csf_wells ;# move low well data
col mag ;# magenta
poi ;# display points
cco ;# colour code
tx2 lle sha col whi txt {Generated horizon model} ;# 2d text
mlo trgdata ;# move low the result
The above example produces this image.
Triangulated grid model to model fault traces