posts - 336, comments - 537, trackbacks - 0, articles - 0
共6页: 1 2 3 4 5 6 
re: 非完美的stl eryar 2017-07-08 09:50
mark!
持续关注中……
re: GLUT Trackball Demo eryar 2017-06-16 19:37
@ccsdu2009
这个是学习用的。

好用的库有很多,像OpenSceneGraph, OpenCASCADE.

哈哈~~
re: Open Cascade中的布尔操作 eryar 2017-05-10 22:16
@eryar
我看到three.js有个插件ThreeBSP,可以提供boolean operation,不知道支不支持网格的?
re: Mesh Algorithm in OpenCascade eryar 2017-04-18 15:23
@Sirius

根据TopoDS_Shape的数据结构定义可知,遍历的顺序可能是构造TopoDS_Shape的顺序。
@Sirius
这两个参数越小,离散曲线得到的点越多,即越逼近真实曲线。

具体说明看这个类的头文件。
re: Mesh Algorithm in OpenCascade eryar 2017-04-17 09:10
@Sirius
建议你先看看Iterator模式,再看看TopExp_Explorer的头文件,应该会理解了。

这篇文章最后有部分Iterator的介绍,可以看看:
https://wenku.baidu.com/view/92524de981c758f5f61f678f.html
@Sirius
有空我写一个这方面的Blog吧!
@Sirius
Hi Sirius,

你好!

缺少了TkFillet.lib.

你可以用Reference文档去搜索。

Best Regards,
Shing Liu
re: Open Cascade中的布尔操作 eryar 2017-03-30 21:40
@Sirius

因为三角网没有朝向orientation信息,所以bool后不知道哪些要保留,哪些要去除,最多可以得到面与面相交的多段线,得不到bool后的实体模型。

个人观点。

re: Open Cascade中的布尔操作 eryar 2017-03-17 09:15
@Sirius
你好!

occ支持compsolid的bool 运算,前提是brep体中包含几何曲线和曲面。

当你的brep是从stl之类的文件中导入的话,其中只包含三角网格数据,是不能用bool运算的。

Best Regards,
Shing Liu
re: 冬瓜和eryar的专博 eryar 2017-02-28 08:55
既然点名了,我要回复下。

有的大神太忙了……

新版本可以使用函数:
GeomLib::NormEstim()
计算曲面的法向。

re: OpenCASCADE 的安装与编译 eryar 2016-08-22 19:15
@OCC_Study
Hi,

你好!

1.custom.bat就是用来配置inc和lib的,如果你已经可以编译成功了, 就没什么影响;

2. 这是DRAW 的Tcl路径没找到报错,这个路径也是通过环境变量来配置的。
建议还是用批处理来启动DRAWEXE。

Best Regards,
Shing Liu
@Roman
Hi Roman,

I have checked the binary rvm export, it works.

Yes, I agree with you. The 3D PDF is useful for small model with notes by email or internet to discuss their design.

Yes, Acrobat support JavaScript to define some 3D effect for the model.

Best Regards,
Shing Liu
re: SupportGenius for PDMS eryar 2016-08-10 11:26
@cjcyx

试用版已发,请查收。

@Roman
Hi Roman,

Yes, RvmTranslator can translate binary RVM.

Yes, it is possible to translate color of 3d model into PDF.
I will check this. I found there are not many person use
the 3D PDF.

Best Regards,
Shing Liu
@Roman
Hi Roman,

A good suggestion!

I have add a option to select the export RVM file format, you can have a try. Download RvmTranslator4.2 from here:

http://yun.baidu.com/pcloud/album/file?album_id=3634993082542187183&uk=3808749571&fsid=632872733265048

PS: what is RVMConverter?

Best Regards,
Shing Liu
re: Modify Branding of FreeCAD eryar 2016-08-05 19:18
@啦啦啦
static std::map<std::string,std::string> &Config(void){return mConfig;}
这个用的是std::string,涉及到编码问题了。
re: C++ 应用程序性能优化 eryar 2016-08-02 13:57
@赵先生
Hi 赵先生,

您好!

感谢关注,邮件已经回复,请查收。

Best Regards,
Shing Liu
re: C++ 应用程序性能优化 eryar 2016-08-01 20:57
@ViCross
是的,debug和release还是有些区别
re: RvmTranslator4.1 in PDMS eryar 2016-07-31 13:52
@何大双
那就没什么问题啊?

可以把RVM文件发给我测试下不?
re: RvmTranslator4.1 in PDMS eryar 2016-07-27 17:14
@何大双
导出其他格式(如STEP, IGES)可以看到模型不?
re: RvmTranslator4.1 in PDMS eryar 2016-07-26 19:01
@何大双
Hi,

你好,

3D PDF要用Adobe Reader打开才有用。
@lcj
Hi,

你好!

有图来说明么?

最好有occ的brep模型。
re: RvmTranslator4.1 in PDMS eryar 2016-07-20 14:30
@Mohamed Auswath Khan
Hello,

I will check this problem.
re: SupportGenius for PDMS eryar 2016-07-14 17:08
@杨华

已经发送,请查收!

Enjoy!
re: AVEVA PML Quick Start Guide eryar 2016-07-14 17:07
@lyj
Hi,

已经发送,请查收!

Enjoy!
re: PDMS RvmTranslator eryar 2016-06-22 21:23
@kurian.anish@yahoo.com
Hello,

You can send me the rvm file to debug if the rvm file do not
confidentiality.

Best Regards,
Shing Liu
re: Make Helix Shape in occQt eryar 2016-06-07 19:33
@flydream0913

本来准备上传到github上的,结果是上传不成功:
https://github.com/eryar/occQt/releases

还是上传到百度云上先用用看:
download from baidu cloud
@Ahmed

Any suggestions?

:-)
re: SupportGenius for PDMS eryar 2016-06-01 08:48
@风中飘
:-)

思路还需要再完善下
re: SupportGenius for PDMS eryar 2016-05-24 22:11
@lanbellone
Hi No.1,

你好!

现在正在改写程序,稍后会发布一个测试版本。

Best Regards,
Shing Liu
@liyunzhou

原理和这个类似,不过那几个类只针对二次曲线到B样条的转换。

@liyunzhou
OCC目前Geom_Curve中支持Bezier和B样条曲线,以及二次曲线,像圆,椭圆,抛物线,双曲线。

对任意的参数曲线,我觉得有两种方法:
1.可以参考二次曲线的类实现,从Geom_Curve派生,实现相关虚函数;
2.将你的参数曲线转换成B样条曲线;

Best Regards,
Shing Liu

@liyunzhou

要看下你的参数方程是什么样子的。
re: Open Cascade中的布尔操作 eryar 2016-04-28 23:14
@liyunzhou
Hi,
你好!

记得原来看过文档说明是BRepAlgoAPI中的算法较新,BRepAlgo中较老。
功能上没有区别,都是实现Boolean Operation.

Best Regards,
Shing Liu
@hkrugertjie

Wonderful!

Of course, there is an automated way, that is use RvmTranslator in the Batch File, such as the RvmTranslator.bat does.

You can generate a XXX.bat file to run RvmTranslator, just give two parameters: Rvm file name(include path) and translator Type(STEP, IGES, STL, etc). You can write the batch file like this:
RvmTranslator "1.rvm" "STEP"
RvmTranslator "2.rvm" "STEP"
RvmTranslator "3.rvm" "STEP"
...

then run the XXX.bat.

Enjoy!
@hkrugertjie

You are welcome!

Kudos for your PML macro skills.

Current version have this functionality to translate multiple files one by one.

Yes, solidworks have problem for larges files. For solidworks I think it also support STEP files.

Best Regards,
Shing Liu
@Hkrugertjie

Hi Hkrugertijie,

I do not know the way to subdivide rvm file except manually select them. That is a known problem of RvmTranslator to export so big rvm file.

RvmTranslator4.0 now only can export text rvm file to 3D PDF, the binary rvm is not supported.

Best Regards,
Shing Liu
re: The First ASM Program eryar 2016-04-16 10:24
@Alphamolasses
这个工具不错,
@ssj

Hi ssj,

你好!

目前RvmTranslator生成的OBJ文件中是没有对象命名和层次结构信息。

你的OBJ文件是准备用在unity3d中么?

Best Regards,
Shing Liu
@ssj
Hi,
你好!

你转换成STL试过没?
re: Open Cascade中的内存管理 eryar 2016-04-12 10:49
@zhaiht
Hi,
你好!

可以设置环境变量:MMGT_OPT,将其值设置为0,从而去使用系统的malloc之类的,而不使用OCC的内存管理机制。
@zhaiht
这要自己debug处理了
re: OpenCASCADE 的安装与编译 eryar 2016-04-07 22:46
@yyy
我是不喜欢去污染system32的,最多可以把相关库的dll路径加到环境变量path中去。
re: OpenCASCADE 的安装与编译 eryar 2016-04-07 19:46
@yyy
这是第三主库Tcl/Tk没有配置正确导致的。
@CWING

Hi Cwing,

You are welcome.
@me_hungry

Hi me_hungry,

Yes, it is possible to set model color in PDF by RVM files.
The RVM contains color info.

Best Regards,
Shing Liu
@CWING

Hello Cwing,

Sorry, I have no tools to split RVM files.
You can export smaller RVM files from PDMS, such as a RVM file only include one SITE or ZONE.

Best Regards,
Shing Liu
@cwing

Hi Cwingz,

Thanks for your feedback.

The 4.0 Beta version of RvmTranslator only can translate text RVM to 3D PDF.

And your RVM files are too large for RvmTranslator, especially the binary RVM files. I think you can export smaller RVM file to have a try.

Best Regards,
Shing Liu
共6页: 1 2 3 4 5 6