eryar

PipeCAD - Plant Piping Design Software.
PlantAssistant - Translate AVEVA RVM/SP3D VUE to glTF, STEP, etc.

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11 2015 檔案

OPEN CASCADE Multiple Variable Function

摘要: Abstract. Multiple variable function with gradient and Hessian matrix is very very import in OPEN CASCADE optimization algorithms. In order to understand these optimization algorithm better, let’s study some basic knowledge about Gradient, Hessian Matrix.

Key Words. Multiple Variable Function, Gradient, Hessian Matrix, 最優化算法, 閱讀全文

posted @ 2015-11-29 16:22 eryar 閱讀(1844) | 評論 (0) 編輯 |

OPEN CASCADE Gauss Least Square

摘要: Abstract. The least square can be used to solve a set of n linear equations of m unknowns(n >= m). The OPEN CASCADE class math_GaussLeastSquare implements the least square solution of the linear equations by using Gauss LU decomposition algorithm. The paper focus on the Least Square method to solve the linear equations.

Key Words. Least Square, LU Decomposition, Linear Equations 閱讀全文

posted @ 2015-11-25 22:06 eryar 閱讀(2397) | 評論 (0) 編輯 |

OPEN CASCADE Curve Continuity

摘要: Abstract. 設計一條復雜曲線時，出于設計和制造上的考慮，常常通過多段曲線組合而成，這就需要解決曲線段之間如何實現光滑連接的問題。評價曲線間連接的光滑度的度量有兩種：參數連接性和幾何連續性。本文對這兩種連續性分別進行介紹。

Key Words. Curve Continuity, Geometric Continuity, 參數連續性、幾何連續性閱讀全文

posted @ 2015-11-15 23:01 eryar 閱讀(2652) | 評論 (4) 編輯 |

OPEN CASCADE BSpline Curve Interpolation

摘要: Abstract. Global curve interpolation to point data is a way to construct curves. The paper focus on the interpolate algorithm in OPEN CASCADE, and give a simple example to demonstrate the usage of the GeomAPI_Interpolate class.

Key Words. Interpolate, NURBS, BSpline, OPEN CASCADE 閱讀全文

posted @ 2015-11-11 22:23 eryar 閱讀(3881) | 評論 (2) 編輯 |

RvmTranslator - 3D OBJ

摘要: RvmTranslator2.2 - Support export 3D OBJ files. 閱讀全文

posted @ 2015-11-07 18:00 eryar 閱讀(3418) | 評論 (0) 編輯 |

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