Ok, Alain. Thank you very much,


news:412514fc$1@news.povray.org...
> Oleguer Vilella nous apporta ses lumieres ainsi en ce 19/08/2004 13:57...
:
>
> >Hello Bob,
> >
> >I'm glad to recibe your news. Yes, I'm getting help here in the group and
> >Warp and the other partners were traying to solve my questions.
> >About the arrow, please, can you tell me why you put a "y" in the vector?
> >I don't know about cars, you said a Subaru Impreza Outback Sport I think
> >that's a 4x4. Is it correct? I don't know what's "waterpump" I searched
on
> >the dictionary but it doesn't appear.
> >
> >
> Waterpump: It make the water circulate in an engine to cool it. Separate
> it in 2 words: water pump
>
> >Also, I wear eyeglassses, but I haven't got a progressive lenses. I have
> >short-sightedness, but I don't use them to read, only with the computer,
the
> >TV...
> >Well, now I'm thinking to do a different background, a cloudy scene, but
I
> >want to do it differnt than the others that I have, I'm thinking... :)
> >
> >Best regards,
> >Oleguer Vilella
> >
> >

> >news:4124bed0$1@news.povray.org...
> >
> >
> >
> >>right, this is very simple. One way to do it:
> >>
> >>// double-ended arrow
> >>union {
> >>cone { +y, 1, +2*y, 0 } // points toward + y (pluses not needed)
> >>cylinder { -y, +y, 0.5 } // centered on 0 y
> >>cone { -y, 1, -2*y, 0 } // points toward - y
> >>pigment {rgb 1}
> >>scale 4
> >>scale <1,2,1>
> >>rotate <0,0,-180>
> >>translate <200, -20, 0>
> >>}
> >>
> >>
> The "y" can be used as a shorthand for: <0,1,0>
> In this case, it make your arrow vertical around the y axis, centered at
> the origin.
>
> Alain

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