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In addition to the VtkCubeplot commands, the following controls are available within
VtkGocadplot.
Further, the user can provide on the command line:
- vc
- Whether (1) or not (0) to view the surface
- vn2
- Whether (1) or not (0) to view the contour
- ncv
- Number of contours to display
- cc
- Whether (1) or not (0) to display color line with its own color
- smooth
- Whether (1) or not (0) to smooth the surface
- nis
- Number of laplacian smoothing to perform
gocad
Figure 2 VTK displaying the GOCAD salt surface of the
SEG salt model.
CONCLUSIONS AND FUTURE WORK
We built both a cube viewer and
a surface viewer using the VTK library.
To make these viewers more effective research
tools, several additions need to be made.
- Geophysical data sets are generally very large. Due to this, SEP has a long
background in developing parallel algorithms. One of the next steps in the
development of the VtkCubePlot and VtkGocadPlot
therefore will be to take advantage of the parallel capabilities of VTK with MPI.
- The ability to interactively slice through the cube rather
than requiring slice selection at initiation.
- The ability to pick and store locations within
the space.
- The ability to have an interactive list of multiple objects (planes,
triangulated surfaces, lines) which can be displayed and/or not
displayed interactively.
- The ability to modify objects such as triangulated surfaces.
- The ability to do texture mapping (e.g. velocity surface model
with seismic amplitudes overlayed).
- The ability to annotate in the 3-D environment.
- Arbitrary number of cutting planes, and orientation for each plane,
currently
only 3 cutting planes are supported and only the time plane has arbitrary
orientation capabilities.
- Texture mapping of the seismic data over the GOCAD surfaces.
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Up: Arroyo and Clapp: Displaying
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Stanford Exploration Project
6/8/2002