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Geomodeller3D
Geomodeller3D (old name was 3DWEG) is a methodology and associated software tool for 3D geologic modelling developed by BRGM over the last 15 years. The software is written using Open CASCADE in C++ for the engine (geometry, topology, viewers, data management, ...), Java for the GUI and data are stored in extensible mark-up language XML. Geomodeller 3D has started to revolutionise the working practices, data standards and products of a geological survey as a whole. The software takes into account all structural geology data such as dip, dip directions, strike, hingelines and axialtrace to build the geometry of geological units.
== A brief outline of the methodology ==
Geomodeller3D utilizes a Digital Terrain Model, surface geological linework, cross-sections, geophysical interpretation and downhole borehole data to enable the geologist to construct cross sections, or 3D models. 3D Geostatistical interpolation (co-kriging) using all the data (location of interface, dip, direction, ...) produces a 3D implicit function representing a solid model. The model build may take in account if necessary a network of geologic faults. The model could be represented by triangulated objects each corresponding to one of the geological units present. Geologists can draw the model in their sections to obtain a fence diagram. The geologist can use their knowledge to add information in the 3D space until he obtain a 'right' model.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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