[R] Help with rgl

Uwe Ligges ligges at statistik.tu-dortmund.de
Wed Feb 18 10:56:25 CET 2009



Yihui Xie wrote:
> "Chinese extend a helping hand to Russians who happen to be in Brazil
> about a package written in Germany," which gladdened an American.
> Trotsky would be even more proud  -- and amazed!! :-)



Please note that rgl is maintained by a Canadian and two others (O. 
Nenadić and W. Zucchini) who, I guess, are from different nationalities 
as well have been involved in first versions of OpenGL interfaces.

Best,
Uwe Ligges



> Regards,
> Yihui
> --
> Yihui Xie <xieyihui at gmail.com>
> Phone: +86-(0)10-82509086 Fax: +86-(0)10-82509086
> Mobile: +86-15810805877
> Homepage: http://www.yihui.name
> School of Statistics, Room 1037, Mingde Main Building,
> Renmin University of China, Beijing, 100872, China
> 
> 
> 
> On Wed, Feb 18, 2009 at 11:07 AM, roger koenker
> <roger at ysidro.econ.uiuc.edu> wrote:
>> Why I love R  [Number  6]:
>>
>> Chinese  extend a helping hand to Russians who happen to be in Brazil
>> about a package written in Germany.   Trotsky would be proud  -- and amazed!
>>
>> url:    www.econ.uiuc.edu/~roger                Roger Koenker
>> email   rkoenker at uiuc.edu                       Department of Economics
>> vox:    217-333-4558                            University of Illinois
>> fax:    217-244-6678                            Champaign, IL 61820
>>
>>
>> On Feb 17, 2009, at 8:37 PM, Yihui Xie wrote:
>>
>>> (1) you'll need ImageMagick installed to use the command "convert" to
>>> convert image sequences into GIF animations; see ?movie3d
>>> (2) "viewport" is read only!! see ?open3d carefully
>>>
>>> Regards,
>>> Yihui
>>> --
>>> Yihui Xie <xieyihui at gmail.com>
>>> Phone: +86-(0)10-82509086 Fax: +86-(0)10-82509086
>>> Mobile: +86-15810805877
>>> Homepage: http://www.yihui.name
>>> School of Statistics, Room 1037, Mingde Main Building,
>>> Renmin University of China, Beijing, 100872, China
>>>
>>>
>>>
>>> On Tue, Feb 17, 2009 at 2:45 AM, Iuri Gavronski <iuri at ufrgs.br> wrote:
>>>> Hi,
>>>>
>>>> I don't know much about the RGL package, and I have read the
>>>> documentation and tried some parameters, with no luck... I would like
>>>> to generate a movie from a 3D object (code below), where the vortex A
>>>> is closer to the observer, and then the object rotates and the B
>>>> vortex gets closer. I would like to capture this movie to a file.
>>>>
>>>> By the way, I am not being able to insert unicode text with text3d.
>>>>
>>>> rgl 0.82, R 2.8.1, Windows Vista.
>>>>
>>>> Any help would be appreciated.
>>>>
>>>> Code follows:
>>>>
>>>> library(rgl)
>>>> open3d()
>>>>
>>>> coord.1=c(0,100,0)
>>>> coord.2=c(100,100,0)
>>>> coord.3=c(100,0,0)
>>>> coord.4=c(0,0,0)
>>>> coord.5=c(50,50,70)
>>>>
>>>> pyrcolor="red"
>>>> triangles3d(rbind(coord.1,coord.4,coord.5),color=pyrcolor)
>>>> triangles3d(rbind(coord.1,coord.2,coord.5),color=pyrcolor)
>>>> triangles3d(rbind(coord.2,coord.3,coord.5),color=pyrcolor)
>>>> triangles3d(rbind(coord.3,coord.4,coord.5),color=pyrcolor)
>>>> quads3d(rbind(coord.1,coord.2,coord.3,coord.4),color=pyrcolor)
>>>>
>>>> vertices = LETTERS[1:5]
>>>> text3d(coord.1,text=vertices[1],adj=1,color="blue")
>>>> text3d(coord.2,text=vertices[2],adj=0,color="blue")
>>>> text3d(coord.3,text=vertices[3],adj=0,color="blue")
>>>> text3d(coord.4,text=vertices[4],adj=1,color="blue")
>>>> text3d(coord.5,text=vertices[5],adj=0,color="blue")
>>>>
>>>> # couldn't make this work...
>>>> #open3d(viewport=c(0,0,686,489))
>>>> #par3d(zoom = 1.157625)
>>>>
>>>> filename = "piramide.png"
>>>> rgl.snapshot(filename)
>>>>
>>> ______________________________________________
>>> R-help at r-project.org mailing list
>>> https://stat.ethz.ch/mailman/listinfo/r-help
>>> PLEASE do read the posting guide
>>> http://www.R-project.org/posting-guide.html
>>> and provide commented, minimal, self-contained, reproducible code.
>>
> 
> ______________________________________________
> R-help at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.




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