[R] Help with rgl

[roger koenker]

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)
>>
>
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