Interoperable transfer of 3D Geomodels from GDM-Multilayer to Autodesk BIM-CAD softwares using the RESQML v2.2 format: the EGIS solution

@inproceedings{LEONARD_RM2020,
 abstract = { EGIS is engaged in a BIM approach for all these civil engineering projects. The RESQML V2.2 format was chosen as no IFC components are designed to transfer geological and geotechnical 3D models. We use RESQML V2 format to communicate between GDM-Multilayer and Autodesk Civil 3D and we are developing two programs named RESQML Builder and RESQML-CAD (written respectively in JAVA and C#.NET). By using this standard", other geomodeling sofware can be connected also to the Autodesk sofware suite. RESQML Builder reads the 3D models produced by GDM-MultiLayer, the boreholes data and the laboratory tests shared and used with GDM and also the DTM and other project surfaces exported from the Civil engineering project. RESQML Builder converts the different models of a same project and all their data into RESQML V2 format. The different interpretations of each horizon (top, bottom and profile) are transferred in the RESQML files with a triangulated surface representation associated to their outer and inner boundaries. The faults are also transferred as subvertical triangulated surfaces. The boreholes are transferred with their multiple interpretations (lithological, geological, geotechnical, etc.) with a code, a short and a complete description of each run. RESQML-CAD is a plug-in for Civil 3D. It reads the RESQML files and draw the horizons, the faults and the boreholes in 3D. The user can choose the earth model and the interpretation for each geological object. The colors of the layers and the boreholes are those which have defined by the GDM color pallets. Moreover, for the needs of the BIM, additional metadata are also added automatically to each object as elements of Property Sets. Our system can transfer and draw any type of borehole trajectory: vertical, inclined, horizontal and deviated. There are also functionalities for drawing fence diagrams and the logging curves belong the boreholes. Our solution was successfully tested with ancient projects like the 3D model of the Hinkley Point C EPR in UK, and the harbor of Guadeloupe. Now this solution is operational for our BIM projects like the new subway line from Lyon to Tassin-La-Demi-Lune," which will cross the Quaternary and the Miocene formations and the crystalline substratum of the Monts du Lyonnais. Our 3D drawing saved in DWG format can be imported by other Autodesk BIM applications (Navisworks and Infraworks) without loss. The rendering with these software is impressive. One of our further objectives is also to develop interoperability towards GIS software using RESQML standard and we would like to test our solution with 3D Geomodels built with GoCAD. },
 author = { Leonard, Jean-Marie },
 booktitle = { 2020 RING Meeting },
 publisher = { ASGA },
 title = { Interoperable transfer of 3D Geomodels from GDM-Multilayer to Autodesk BIM-CAD softwares using the RESQML v2.2 format: the EGIS solution },
 year = { 2020 }
}