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RvmTranslator 3.0 is released

摘要: RvmTranslator3.0 [20151205]
----------------
1.Enable multiple RVM files translation; 閱讀全文

posted @ 2015-12-05 13:17 eryar 閱讀(1817) | 評論 (0) | 編輯收藏

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(yōu)化算法, 閱讀全文

posted @ 2015-11-29 16:22 eryar 閱讀(1843) | 評論 (0) | 編輯收藏

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(2392) | 評論 (0) | 編輯收藏

OPEN CASCADE Curve Continuity

摘要: Abstract. 設(shè)計一條復(fù)雜曲線時，出于設(shè)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(xiàn)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(shù)連接性和幾何連續(xù)性。本文對這兩種連續(xù)性分別進(jìn)行介紹。

Key Words. Curve Continuity, Geometric Continuity, 參數(shù)連續(xù)性、幾何連續(xù)性閱讀全文

posted @ 2015-11-15 23:01 eryar 閱讀(2649) | 評論 (4) | 編輯收藏

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(3874) | 評論 (2) | 編輯收藏

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(3417) | 評論 (0) | 編輯收藏

BOOST Voronoi Visualizer

摘要: Abstract. The Voronoi extension of the Boost.Polygon library provides functionality to construct a Voronoi diagram of a set of points and linear segments in 2D space with some limitations. The paper mainly describles how to compile the boos voronoi visualizer and use it show the example voronoi diagram result.
Key Words. Boost, Voronoi, Visualizer 閱讀全文

posted @ 2015-10-31 12:12 eryar 閱讀(2229) | 評論 (2) | 編輯收藏

PDMS call Operating System Command

摘要: PDMS提供了在PML中調(diào)用系統(tǒng)命令的命令：syscom。借助這個PML命令，為PDMS的開發(fā)又提供了一種新架構(gòu)（New Architecture）。本文詳細(xì)介紹syscom命令的用法，及如何使用這條命令來為PDMS的二次開發(fā)指出一條新路。閱讀全文

posted @ 2015-10-27 22:44 eryar 閱讀(3399) | 評論 (0) | 編輯收藏

Clash Detection

摘要: Abstract. Clash detection is used for the model collision check. The paper introduce the clash detection in PDMS, and also about how to set the piping component for the operation space clash check.

Key Word. Clash Detection, Collision Detection
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posted @ 2015-10-21 21:01 eryar 閱讀(2090) | 評論 (0) | 編輯收藏

IsoAlgo2.0 Preview

posted @ 2015-10-15 21:02 eryar 閱讀(1460) | 評論 (2) | 編輯收藏

OpenCASCADE Interpolation - Lagrange

摘要: Abstract. Power basis polynomial is the most simple polynomial function. It also be called power series. OpenCASCADE provides basic computation functions for polynomial functions, such as evaluate the result for a given polynomial, Lagrange interpolation, Hermite interpolation, .etc. The package named PLib, means Polynomial functions Library. The paper focus on the Lagrange interpolation usage of PLib.

Key Words. OpenCASCADE, PLib, Interpolation, Lagrange, 插值閱讀全文

posted @ 2015-09-05 12:16 eryar 閱讀(2849) | 評論 (0) | 編輯收藏

RvmTranslator 2.1 is released

摘要: RvmTranslator2.1 [20150818]
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1. Improve performance for STEP translation;
2. Finish parse all the primitive shapes in RVM file; 閱讀全文

posted @ 2015-08-18 22:10 eryar 閱讀(2610) | 評論 (4) | 編輯收藏

Export AutoCAD Entities for PDMS Aids

摘要: cad2pdms - Export AutoCAD Entities for PDMS Aids. 閱讀全文

posted @ 2015-08-15 19:33 eryar 閱讀(3393) | 評論 (14) | 編輯收藏

IsoAlgo3d - A PCF 3D Viewer

摘要: IsoAlgo3d - A PCF 3D Viewer. 閱讀全文

posted @ 2015-08-06 22:46 eryar 閱讀(2693) | 評論 (2) | 編輯收藏

AVEVA PML.Net for DWG

摘要: Abstract. AVEVA PmlNet allows you to instantiate and invoke methods on .NET objects from PML proxy objects. The PML proxy objects behave just like any other PML object. By PML proxy object you can use many other C# resources easily. The paper show an example to use PML proxy object to read and write AutoCAD DXF/DWG files by the OpenDWG library in AVEVA PDMS.

Key Words. AVEVA, PDMS, Marine, Plant, OpenDWG, AutoCAD, DWG, DXF 閱讀全文

posted @ 2015-08-01 09:39 eryar 閱讀(4427) | 評論 (0) | 編輯收藏

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