eryar

OpenCascade 6.7.1 and Qt 5

摘要: 从OpenCascade6.7.0开始图形显示的初始化部分有较大改动，将原来给出的一个关于Qt的最简单的例子程序升级到最新版本. 阅读全文

posted @ 2014-07-16 22:49 eryar 阅读(5610) | 评论 (0) | 编辑收藏

std::ofstream failed

摘要: std::ofstream failed because of its file name is not right. 阅读全文

posted @ 2014-07-12 15:55 eryar 阅读(3812) | 评论 (3) | 编辑收藏

How to split piping isometric drawing automatically?

摘要: eryar@163.com

How to split piping isometric drawing automatically?

key words: IsoAlgo, Isogen, ISO-SPLIT-POINT, split automatically

当管道模型比较复杂时，生成的轴测图就会有重叠的现象，如何来消除重叠呢，一种有效的方式就是分图。
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posted @ 2014-07-02 19:54 eryar 阅读(2732) | 评论 (0) | 编辑收藏

HOOPS 3D Part Viewer

摘要: Try HOOPS 3D Part Viewer!
Great pictures... 阅读全文

posted @ 2014-06-24 19:36 eryar 阅读(2840) | 评论 (0) | 编辑收藏

OpenCascade Eigenvalues and Eigenvectors of Square Matrix

摘要: Abstract. OpenCascade use the Jacobi method to find the eigenvalues and the eigenvectors of a real symmetric square matrix. Use class math_Jacobi to computes all eigenvalues and eigenvectors by using Jacobi method. The exception NotSquare is raised if the matrix is not square. No verification that the matrix is really symmetric is done.

Key words. Eigenvalues, Eigenvectors, OpenCascade, Matrix, Jacobi method, 阅读全文

posted @ 2014-06-22 16:21 eryar 阅读(2553) | 评论 (1) | 编辑收藏

ModelDataExchange - Import

摘要: Abstract. The ModelDataExchange import utility enables the user to import geometric models of equipment into 3D models within Design. The input models files format are STEP, IGES, STL .etc. The imported model is saved in polyhedron of the equipment.

Key Words. ModelDataExchange, Import, MEI, Mechanical Equipment Inteface
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posted @ 2014-06-17 00:06 eryar 阅读(1972) | 评论 (0) | 编辑收藏

IsoAlgo Export Symbol Template

摘要: Key Words: IsoAlgo, Symbol Template

When you want to check the symbol templates that you defined in IsoAlgoSymbolTemplate.xml, you can give the command dumpsymbol to IsoAlgo,
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posted @ 2014-06-11 21:31 eryar 阅读(1665) | 评论 (0) | 编辑收藏

IsoAlgo Pipeline End Connection Info

摘要: Key words: IsoAlgo, End Connection Info, Nozzle
Add Pipeline End Connection info to the IsoAlgo, such as connection info and coordinate.

For more information about IsoAlgo, please visit: http://code.google.com/p/isoalgo/
Download trial version of IsoAlgo: http://code.google.com/p/isoalgo/issues/list
Any feedback is welcome, please send email to the author: IsoAlgo@gmail.com.
IsoAlgo User Guide: http://www.cppblog.com/eryar/archive/2014/04/27/206735.html
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posted @ 2014-06-02 10:13 eryar 阅读(1536) | 评论 (0) | 编辑收藏

IsoAlgo Equipment Connection

摘要: Abstract: If the pipeline connected with nozzles of the equipment, it should add the
equipment connection symbol in the piping isometric drawing.

Key words: IsoAlgo, ISOGEN, PCF, Equipment Connection
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posted @ 2014-05-26 22:51 eryar 阅读(1735) | 评论 (0) | 编辑收藏

IsoAlgo Fall Indicator

摘要: The slope of a pipe is how steep of an angle the pipe is at. The steeper the angle, the faster water will flow through the pipe. In order to calculate the slope of the pipe, you need to image the pipe is the hypotenuse of a right triangle.

Key Words: IsoAlgo, PCF, ISOGEN, DXF, Piping Isometric Drawing 阅读全文

posted @ 2014-05-25 14:08 eryar 阅读(1370) | 评论 (0) | 编辑收藏

IsoAlgo Labelling

摘要: IsoAlgo Labelling

Key words: IsoAlgo, Piping Isometric Drawing, PCF, DXF 阅读全文

posted @ 2014-05-20 21:28 eryar 阅读(1615) | 评论 (0) | 编辑收藏

IsoAlgo Material List Options

摘要: IsoAlgo can produce a customised Material List. The Material List columns maybe selected from one attribute of the component.
You can specify the material list datum position on the drawing. The entries in the material list are numbered sequentially,
each entry contains the material’s description, nominal size, item code and quantity.
You can customize the material list by modify the IsoAlgoConfig.xml. 阅读全文

posted @ 2014-05-17 19:56 eryar 阅读(1471) | 评论 (0) | 编辑收藏

IsoAlgo Dimensioning Options

摘要: IsoAlgo Dimensioning Options.
Key words: IsoAlgo, Dimensions Options 阅读全文

posted @ 2014-05-11 17:40 eryar 阅读(1563) | 评论 (0) | 编辑收藏

Visulalization Boost Voronoi in OpenSceneGraph

摘要: Abstract. One of the important features of the boost polygon library is the implementation of the generic sweepline algorithm to construct Voronoi diagrams of points and linear segments in 2D(developed as part of the Google Summer of Code 2010 program). Voronoi diagram data structure has applications in image segmentation, optical character recognition, nearest neighbor queries execution. It is closely related with the other computational geometry conectps: Delaunay triangulation, medial axis, s 阅读全文

posted @ 2014-05-06 23:41 eryar 阅读(3497) | 评论 (2) | 编辑收藏

Visulalize Voronoi in OpenSceneGraph

摘要: Abstract. In mathematics a Voronoi diagram is a way of dividing space into a number of regions. A set of points, called seeds, sites, or generators is specified beforehand and for each seed there will be a correspoinding region consisting of all points closer to that seed than to any other. The regions are called Voronoi cells. It is dual to the Delaunay triangulation. It is named after Georgy Voronoy, and is also called a Voronoi tessellation, a Voronoi decomposition, a Voronoi partition, or a 阅读全文

posted @ 2014-04-30 22:07 eryar 阅读(2371) | 评论 (0) | 编辑收藏

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