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OpenCASCADE Job - dimue

摘要: 上海地目信息科技有限公司招聘OpenCASCADE相關圖形開發人員，有興趣的可直接與hr聯系。閱讀全文

posted @ 2016-12-09 22:06 eryar 閱讀(1433) | 評論 (0) | 編輯收藏

摘要: Abstract. OpenCASCADE7.1.0 introduces new built-in interactive object AIS_Manipulator providing interface for moving objects within 3D viewer. The class features three kinds of transformation modes for attached objects: translation through axis, scaling within axis, rotation around axis. The object can be activated using vmanipulator command within Draw Test Harness.

Key Words. OpenCASCADE, 3D Viewer Interactive, Model Editor, Manipulator 閱讀全文

posted @ 2016-12-08 23:08 eryar 閱讀(3804) | 評論 (0) | 編輯收藏

Convert BSpline Curve to Arc Spline in OpenCASCADE

摘要: Abstract. The paper based on OpenCASCADE algorithms to approximate the NURBS curve to arc spline. The method is most useful in numerical control to drive the cutter along straight line or circular paths. Or in the shipbuilding industry to manufacture section bar for cold frame bender.

Key Words. NURBS, Biarc approximation, arc spline, 閱讀全文

posted @ 2016-11-22 23:12 eryar 閱讀(2773) | 評論 (0) | 編輯收藏

OpenSceneGraph in ActiveX by ActiveQt

摘要: Abstract. Qt’s ActiveX and COM support allows Qt for Windows developers to access and use ActiveX controls and COM objects provided by any ActiveX server in their Qt applications. Make their Qt application available as COM servers, with any number of Qt objects and widgets as COM objects and ActiveX controls. Make OpenSceneGraph to ActiveX controls then you can use it in other place, like IE.

Key Words. OpenSceneGraph, ActiveX, COM, ActiveQt 閱讀全文

posted @ 2016-11-11 23:32 eryar 閱讀(2260) | 評論 (0) | 編輯收藏

RvmTranslator5.1 - 3DS Max Importer

摘要: RvmTranslator5.1 is released! This is a 3ds max plugin developed by 3ds max sdk. 閱讀全文

posted @ 2016-10-03 12:14 eryar 閱讀(1529) | 評論 (0) | 編輯收藏

OpenCASCADE Shape Location

摘要: Abstract. The TopLoc package of OpenCASCADE gives resources to handle 3D local coordinate systems called Locations. A Location is a composition of elementary coordinate systems, each one is called a Datum. The Location keeps track of this composition. The paper will use the Draw Test Harness to illustrate the Location concept.

Key Words. Transformation, Location, Local Coordinate Systems 閱讀全文

posted @ 2016-09-07 00:06 eryar 閱讀(2764) | 評論 (0) | 編輯收藏

RvmTranslator5.0 - Translate RVM to AutoCAD DXF

摘要: RvmTranslator5.0 is released!

This version support to translate RVM to AutoCAD DXF file. 閱讀全文

posted @ 2016-08-22 23:26 eryar 閱讀(1537) | 評論 (0) | 編輯收藏

OpenCASCADE BRep Projection

摘要: OpenCASCADE BRepProj_Projection 閱讀全文

posted @ 2016-08-16 23:11 eryar 閱讀(3131) | 評論 (0) | 編輯收藏

RvmTranslator 4.3 Change Log

摘要: RvmTranslator4.3 ChangeLog

1. Reduce the STEP file size to improve the performance for STEP translation;
2.Fix the dish lose in STEP file; 閱讀全文

posted @ 2016-08-13 09:58 eryar 閱讀(1104) | 評論 (0) | 編輯收藏

C++ 應用程序性能優化

摘要: 對于幾何造型內核OpenCASCADE，由于會涉及到大量的數值算法，如矩陣相關計算，微積分，Newton迭代法解方程，以及非線性優化的一些算法，如BFGS，FRPR，PSO等等用于多元函數的極值求解，所以這些數值算法的性能直接影響系統的性能。軟件的性能優化是計算機軟件開發過程中需要一直關注的重要因素，因此有必要學習下C++應用程序性能優化的方法。閱讀全文

posted @ 2016-07-31 13:44 eryar 閱讀(4941) | 評論 (4) | 編輯收藏

RvmTranslator4.1 in PDMS

摘要: In order to export PDMS model to other system more convenient, I wrapped the RvmTranslator in PDMS by PML. Then you can export PDMS model to STEP, IGES, STL, 3D PDF. Etc. Directly. 閱讀全文

posted @ 2016-06-26 00:39 eryar 閱讀(1771) | 評論 (9) | 編輯收藏

IsoAlgo3d - PCF format 3d visualization tool

摘要: IsoAlgo3d is a PCF format 3d visualization tool. I publish it on github to open the source code. Its license is GPL, you can use the IsoAlgo3d freely.

https://github.com/eryar/IsoAlgo3d

You can download the source code and contribute your modification.
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posted @ 2016-06-16 23:21 eryar 閱讀(1730) | 評論 (0) | 編輯收藏

Make Helix Shape in occQt

摘要: PCurve is a powerful modeling method, to make helix shapes in occQt to help you understand pcurve better, then you can also can model some intereting shape based on pcurve.

OpenCASCADE does not provide helix curve directly, but you can build a helix curve by the pcurve of a surface(curve on surface). When you understand the pcurve of a surface, you can make a helix curve easily.
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posted @ 2016-06-05 13:44 eryar 閱讀(1787) | 評論 (2) | 編輯收藏

PDMS Automatic Pipe Routing

摘要: Abstract. AVEVA PDMS Pipe Router is a rule-based tool which enables you to route pipe network automatically and to position piping components. Pipe Router can create clash-free orthogonal routes which use the minimum length of pipe and as few elbows and bends as possible.

Key Words. Automatic Pipe Routing, 自動布管閱讀全文

posted @ 2016-05-31 22:59 eryar 閱讀(2689) | 評論 (0) | 編輯收藏

OpenCASCADE Expression Interpreter by Flex & Bison

摘要: Abstract. OpenCASCADE provide data structure of any expression, relation or function used in mathematics. Flex and Bison are tools for building programs that handle structured input. They were originally tools for building compilers, but they have proven to be useful in many other areas. The Expression Interpreter in OpenCASCADE is made by Flex and Bison. So let’s know something about Flex and Bison.

Key Words. OpenCASCADE, Expression Interpreter, Flex, Bison 閱讀全文

posted @ 2016-05-27 23:08 eryar 閱讀(1512) | 評論 (0) | 編輯收藏

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