This second explanation is not as striking as the first one, is it? In other (more technical) words: GeoModeller works by implicit modeling of potentials, where each geologic interface (regardless if stratigraphic or tectonic) is defined as an equipotential surface (similar to isohypses etc.), whose gradient is specified by the input or orientation points. And this intuitive approach is one great benefit of GeoModeller in my opinion. This may already remind the geologist of his or her compass and field work. In GeoModeller, you have your interface points (= contacts between different units) and orientation points (= dip of the geological contact). In GOCAD, you deal with points, vertices and stuff. Basic differences to GOCAD already become obvious, when we look at basic input parameters. It also has its roots in France, stemming from the BRGM. But after all, it is a CAD software (although specified for geoscientific needs).Īnother approach to 3D modeling in the geosciences is done by 3D GeoModeller (and by Leapfrog in a quite similar fashion). Of course, this may also have been due to my limited knowledge of GOCAD. Whenever I worked with GOCAD, I could not help but felt somehow disconnected from the geology I try to model. And as wide as the range of software products is, so is their workflow/algorithm/structure. Three dimensional geological models play a huge role in several sectors of geosciences, but honesty, their main application is connected to resource exploration.īy now there is a wide range of modeling software, from the dinosaur GOCAD with its long way of development to younger software packages, such as Leapfrog Geo or 3D GeoModeller. Ever since I have seen those fantastic geological cross sections cutting straight through the alps, I am fascinated by geological models, be it 1D, 2D or (nowadays most popular) 3D.
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