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Unknown macro: {alias}

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

See also

filt tri, grp trg, mak tris

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