vrml viewpoint with draw package



Hi,

First thanks for this great package.

Using the code below I can't see the 3d graphic without changing 
manually the viewpoint in the vrml file or changing the viewpoint in the 
vrml viewer.

is it possible to choose the default viewpoint ?

(%o12) build_info
(version="5.30.0",timestamp="2013-06-01 
21:29:43",host="i686-pc-mingw32",lisp_name="GNU Common Lisp 
(GCL)",lisp_version="GCL 2.6.8")
VTK 5.8.0 win32

Regards

R_opt:10;
X1_opt:0;
Y1_opt:0;
Z1_opt:0;
X2_opt:0;
Y2_opt:0;
Z2_opt:20;
draw_renderer : 'vtk$
sc3:gr3d(
  file_name = "C:/suivi/cylindre",
  terminal= 'vrml,
  axis_3d    = false,
  enhanced3d = none,
  color=blue,
  points(ps),
  opacity=1,
  color=red,
  line_type = [tube,24],
  line_width = R_opt,
  nticks = 50,
  parametric(X1_opt+(X2_opt-X1_opt)*t,Y1_opt+(Y2_opt-Y1_opt)*t,Y1_opt+(Z2_opt-Z1_opt)*t,t,0,0.999)
)$
draw(sc3)$

-- 
Jean-Fran?ois MAUREL
PIMECA
http://www.pimeca.com