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ReflexW 3-D
GPR Data Interpretation
Module
REFLEXW is the new WindowsNT/9X/2000
software generation of REFLEX for the 3-dimensional
processing and interpretation of Ground Penetrating
Radar (GPR), reflection and refraction seismic.
The 3D-data may be easily constructed
from equidistant or non-equidistant 2D-lines either
during the import or in a later stage. Equidistant: only
two parameters must be entered - the trace increment
within each 2D-line and the distance between each line.
An interpolation filter allows a resampling of the data
in the direction of each line if the number of traces
differ in each 2D-line. Nonequidistant: The profiles can
be arbitrarily orientated. The spatial interpolation
ranges can be determined freely. The data are completely
loaded into the RAM of the computer whereby a fast
visualization of the data is possible.
3D data-interpretation:
Display of x-Lines using the windows option
The module also allows to
load several (up to 25) different 2D-files in order to
display them within the different modes. The scale of
the different 2D-files can vary.
3D data-interpretation:
Display of time slices using the scroll option
Two different display options are
available.
Using the option "windows" (see first
figure) the slices are displayed in manually scalable
windows. The step and smoothing rate may be freely
chosen.
Using the option "scroll" (see second
figure) you may continuously move through the 3D-cube
either in x-, y- or z-direction using the track bar.
Again the step and smoothing rate is freely choosable.
The 3D-data can also be displayed within
a 3D-CUBE . The program supports an interactive rotation
of the 3D-CUBE. The data can be viewed from any
direction and can be zoomed. You may select if only the
front or back planes of the datacube are displayed or
the full 3D-data volume. In addition you only may select
single cuts and scroll through the cube in one distinct
direction. With the options front or back activated only
the front or back planes of the datacube are displayed.
In addition you may select a distinct cornerpoint which
serves as the starting point for a cutting out of the
cube.
3D data interpretation : 3D cube display - 'Cutting
out' display function
With the option single
activated you may select any combination of x-, y- and
z-cuts. With the option scroll activated it is possible
to continuously move through the 3D-CUBE either in x-,
y- or z-direction using the track bar. The step rate is
freely choosable. It is possible to plot a "background"
consisting of any combination of x-, y- and z- cuts in
addition.
3D data interpretation : 3D
cube display - 'Selected' display function
With the option full activated all data of the 3D-cube are displayed. Shading and hiding are supported. Not visible parts of profiles are covered. However there is the possibility to "look through" certain parts of the 3D-data volume, whose amplitude values are smaller than the given threshold value. With the option shading activated a special shading algorithm is used in addition.
3D data interpretation : 3D
cube display - 'Look through' display function
In addition you may
construct single timeslices (C-scans) from different
2D-lines originating all from one acquisition plane.
3D data interpretation:
Construction of single time slices
Calculation of timeslices: construction of
time-constant slices from a sequence of profiles which
are measured in the same plane. The profiles can be
arbitrarily orientated. Alternatively, data with
different geometries sorted after midpoint-coordinates
may be also used for the calculation of the timeslices.
The spatial interpolation ranges can be freely
determined. The timeslice is considered as a simple
section - all processing and display possibilities can
be applied on. |
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