[scilab-Users] Plot3d1 with spheres in diffrent colors, how?

[Calixte]

On 29/01/2012 20:06, Constellation Athome wrote:
> Hi there,

Hi,

In taking the example given in plot3d.html, you can make something like:

deff("[x,y,z]=sph(alp,tet)",["x=r*cos(alp).*cos(tet)+orig(1)*ones(tet)";..
      "y=r*cos(alp).*sin(tet)+orig(2)*ones(tet)";..
      "z=r*sin(alp)+orig(3)*ones(tet)"]);
r=1; orig=[0 0 0];
[xx,yy,zz]=eval3dp(sph,linspace(-%pi/2,%pi/2,40),linspace(0,%pi*2,20));
clf();
plot3d(xx,yy,zz)
plot3d(xx,yy,zz + 2.5)

a=gca();
a.children(1).color_mode = 3;
a.children(2).color_mode = 5;

You should have a look at:
http://help.scilab.org/docs/5.3.3/en_US/surface_properties.html

Regards,

Calixte


>
> I would like to give each sphere in my plot3d1 plot a different color 
> so that I can distinguish them better.
> I played around with 
> http://help.scilab.org/docs/5.3.3/en_US/plot3d.html but couldn't find 
> a way to change it to rgb colours or whatever, to have a red, a green 
> and another colour.
>
> It would be great, if you could help me.
> And another question is, how to add opacity so that they will be 
> translucent.
>
> Thanks in advance,
>
> Andreas

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