Curating Architectural 3D CAD Models

Curating Architectural 3D CAD Models

Increasing demand to manage and preserve 3-dimensional models for a variety of physical phenomena (e.g., building and engineering designs, computer games, or scientific visualizations) is creating new challenges for digital archives. Preserving 3D models requires identifying technical formats for the models that can be maintained over time, and the available formats offer different advantages a...

3D CAD models and its feature similarity

Knowing the geometrical object pose of products in manufacturing line before robot manipulation is required and less time consuming for overall shape measurement. In order to perform it, the information of shape representation and matching of objects is become required. Objects are compared with its descriptor that conceptually subtracted from each other to form scalar metric. When the metric v...

Recognition and Modeling of Architectural Objects from Architectural CAD Drawings

Recently in the eld of building CAD, research and development in CAD and data sharing among CAD tools has introduced object-oriented technology. This technology has brought object-oriented CAD tools that allow users to designing buildings by means of architectural objects and the standard data speci cation IFC (Industry Foundation Classes), which is involved in the architectural CALS (Commerce ...

A primitive-based 3D segmentation algorithm for mechanical CAD models

Automatic Reconstruction of 3D CAD Models from Digital Scans

We present an approach for the reconstruction and approximation of 3D CAD models from an unorganized collection of points. Applications include rapid reverse engineering of existing objects for use in a synthetic computer environment, including computer aided design and manufacturing. Our reconstruction approach is exible enough to permit interpolation of both smooth surfaces and sharp features...