18th International 3D Forum Conference and Exhibition

Lindau, Germany (May 07-08, 2019)

Blom International Operations (BIO) exhibited and presented the latest geospatial data workflows at the 3D Forum conference and exhibition in Lindau (http://www.3d-forum.li/).

Lindau is situated on the south-eastern shores of Lake Constance in Germany, close to the borders with Austria and Switzerland. The conference was visited by approximately 300 delegates from communal and federal state authorities, mainly from these three countries, the so-called ‘DACH’ region.

In line with the primary focus of the 3D Forum related to ‘Smart Cities’ and 3D city models, BIO presented our production capabilities for 3D stereo data processing and feature capture, using the Trimble-Inpho and DAT/EM photogrammetric environments. We showcased our expertise in large-scale topographic mapping with city-wide CAD and GIS datasets where our operators had captured complex roof shapes from high-resolution aerial imagery on our stereo workstations. These 3D vector-based building models are the basis for CityGML-compliant 3D modeling in the LOD3 standard (Level of Detail, from 0 to 4). LOD3 is the higher-level geometry for smart city models, ready for the texturing of façades. Those façade textures are derived from aerial, terrestrial or mobile mapping sources, resulting in LOD4-textured buildings.

In the realm of automatically generated and highly realistic 3D city mesh-models, during the conference BIO has demonstrated the efficient editing and cleanup of mesh-tiles with various tools, such as Autodesk’s MeshMixer.

BIO also presented our data capture services for mobile mapping projects, combining accurate and high-density LiDAR point clouds with panoramic images in the TerraSolid environment, digitizing road-side features with Bentley’s Microstation.

The other main focus of the 3D Forum conference was on BIM (Building Information Management – or Modeling), which was reflected in a large number of visitors to our booth, inquiring about BIO’s BIM modeling capabilities. BIO has extensive expertise in the conversion of analog floorplans and LiDAR point clouds into 2D/3D building objects and offers such services very cost-effectively. BIO uses and is familiar with FARO PointCab, Autodesk Revit, Aveva LFM and the Speedikon software for exterior/interior building modeling and industrial plant documentation.

All 3D stereo data sources were brilliantly viewable and navigable with polarized glasses on the PluraView 3D-stereo monitors, provided by Schneider-Digital (https://www.schneider-digital.com/).

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