Help with rgl

The funniest part is that we are close to carnival in Brazil...
vacation time... more than 30C... and I am the one to try to get back
to the track...

Any clue on how to rotate the object? Examples?

Also, still on the same object. If I change zoom, position, etc. with
the mouse, where to query this information, for reproducing the same
image later on?

Best,

Iuri.

On Wed, Feb 18, 2009 at 6:56 AM, Uwe Ligges
<ligges at statistik.tu-dortmund.de> wrote:

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. Nenadi?
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)