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100 Inventors  Top 100 Assignees   Arnaud Deslandes, Suresnes FR
Patent application numberDescriptionPublished 20080316204SYSTEM
AND METHOD OF COMPUTER-AIDED DESIGN OF A 3D OBJECT MODELED BY
GEOMETRIES - A computer program, system and method of computer-
aided design of a 3D object. The 3D object is modeled by: (i)
cells, the cells being restrictions of geometries of the model;
and (ii) a cell graph comprising relations between the cells,
which relations capture a topology of the model. The invention
system edits an initial model by interacting with a user to
identify intended displacements of initial geometries of the
model. The system then selects the cells which are restrictions
of the geometries to be displaced. Cells adjacent to the
selected cells are collected according to the cell graph. Some
of the adjacent cells are excluded by means of predefined rules.
A solver computes transformations to be applied to initial
geometries, from the int