DBPapers
DOI: 10.5593/SGEM2014/B21/S7.008

AUTOMATIC RECONSTRUCTION OF THREE-DIMENSIONAL OBJECTS USING PATTERNS FOR CAD-SYSTEMS

A. Zakharov, A. Zhiznyakov
Wednesday 1 October 2014 by Libadmin2014

References: 14th International Multidisciplinary Scientific GeoConference SGEM 2014, www.sgem.org, SGEM2014 Conference Proceedings, ISBN 978-619-7105-10-0 / ISSN 1314-2704, June 19-25, 2014, Book 2, Vol. 1, 57-64 pp

ABSTRACT
Tasks of automatic reconstruction of three-dimensional objects from orthogonal projections are actual for CAD. This paper summarizes the existing approaches to reconstruction from projections drawing. The algorithm is based on a boundary representation of three-dimensional models. The algorithm consists of the following steps: automatic separation of the drawing per the views, determination of threedimensional coordinates of vertices, definition and marking of wire model primitives, reconstruction of model faces and model elements. The algorithm uses patterns for the reconstruction of typical structural elements of the model. Patterns of standard elements are given in the form of adjacency matrix. The developed algorithm processes the data format DXF. The results of the system are presented.

Keywords: three-dimensional reconstruction, CAD-system

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