IBM Journal of Research and Development
A novel CSG approach for 3D reconstruction of helix using spiral sweeps
ACS'07 Proceedings of the 7th Conference on 7th WSEAS International Conference on Applied Computer Science - Volume 7
Identification of sections from engineering drawings based on evidence theory
Proceedings of the 2008 ACM symposium on Solid and physical modeling
Comparison of 3D reconstruction techniques for engineering drawings from orthographic projections
AEE'07 Proceedings of the 6th conference on Applications of electrical engineering
Identification of sections from engineering drawings based on evidence theory
Computer-Aided Design
Automatic restoration of omitted 2D drawings by using pattern learning of repetitive features
ACMOS'06 Proceedings of the 8th WSEAS international conference on Automatic control, modeling & simulation
A new method for identifying and validating features from 2D sectional views
Computer-Aided Design
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This paper presents an algorithm for solid model reconstruction from 2D sectional views based on volume-ba`sed approach. None of the existing work in automatic reconstruction from 2D orthographic views have addressed sectional views in detail. It is believed that the volume-based approach is better suited to handle different types of sectional views. The volume-based approach constructs the 3D solid by a boolean combination of elementary solids. The elementary solids are formed by sweep operation on loops identified in the input views. The only adjustment to be made for the presence of sectional views is in the identification of loops that would form the elemental solids. In the algorithm, the conventions of engineering drawing for sectional views, are used to identify the loops correctly. The algorithm is simple and intuitive in nature. Results have been obtained for full sections, offset sections and half sections. Future work will address other types of sectional views such as removed and revolved sections and broken-out sections.