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David C. Gossard, Robert P. Zuffante, Hiroshi Sakurai, "Representing Dimensions, Tolerances, and Features in MCAE Systems," IEEE Computer Graphics and Applications, vol. 8, no. 2, pp. 5159, March/April, 1988.  
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@article{ 10.1109/38.503, author = {David C. Gossard and Robert P. Zuffante and Hiroshi Sakurai}, title = {Representing Dimensions, Tolerances, and Features in MCAE Systems}, journal ={IEEE Computer Graphics and Applications}, volume = {8}, number = {2}, issn = {02721716}, year = {1988}, pages = {5159}, doi = {http://doi.ieeecomputersociety.org/10.1109/38.503}, publisher = {IEEE Computer Society}, address = {Los Alamitos, CA, USA}, }  
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TY  MGZN JO  IEEE Computer Graphics and Applications TI  Representing Dimensions, Tolerances, and Features in MCAE Systems IS  2 SN  02721716 SP51 EP59 EPD  5159 A1  David C. Gossard, A1  Robert P. Zuffante, A1  Hiroshi Sakurai, PY  1988 VL  8 JA  IEEE Computer Graphics and Applications ER   
A method is presented for explicitly representing dimensions, tolerances, and geometric features in solid models. The method combines CSG and boundary representations in a graph structure called an object graph. Dimensions are represented by a relative position operator. The method can automatically translate changes in dimensional values into corresponding changes in geometry and topology. The representation provides an important foundation for higherlevel application programs to automate tolerance analysis and synthesis. The implementation of a prototype interactive polyhedral modeler based on this representation is presented.
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