### Abstract

Original language | English |
---|---|

Pages (from-to) | 363-384 |

Journal | CWI Quarterly |

Volume | 6 |

Issue number | 4 |

Publication status | Published - 1993 |

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### Cite this

*CWI Quarterly*,

*6*(4), 363-384.

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*CWI Quarterly*, vol. 6, no. 4, pp. 363-384.

**30 Years after Sketchpad : relaxation of geometric constraints revisited (I).** / Overveld, van, C.W.A.M.

Research output: Contribution to journal › Article › Academic › peer-review

TY - JOUR

T1 - 30 Years after Sketchpad : relaxation of geometric constraints revisited (I)

AU - Overveld, van, C.W.A.M.

PY - 1993

Y1 - 1993

N2 - The problem of solving sets of coupled geometric constraints in the context of inetractive computer aided sketching is studied. Some criteria for solution methods are given and the applicability of a relaxation method is discussed. Despite its relatively slow convergence, the relaxation method turns out to be sufficiently flexible (it works for a variety of constraint types and it can be implemented to handle both under-and over-constrained systems in a stable way) to be of at least qualitative use in an interactive design environment. Some mathematical aspects of the method are discussed and examples of applications are given.

AB - The problem of solving sets of coupled geometric constraints in the context of inetractive computer aided sketching is studied. Some criteria for solution methods are given and the applicability of a relaxation method is discussed. Despite its relatively slow convergence, the relaxation method turns out to be sufficiently flexible (it works for a variety of constraint types and it can be implemented to handle both under-and over-constrained systems in a stable way) to be of at least qualitative use in an interactive design environment. Some mathematical aspects of the method are discussed and examples of applications are given.

M3 - Article

VL - 6

SP - 363

EP - 384

JO - CWI Quarterly

JF - CWI Quarterly

SN - 0922-5366

IS - 4

ER -