Hi,

        Vow thanks, that was a really cool explanation!!

        :-)
        Cheers
        Tina


> The object itself, where is its origin? Where is (0,0,0) when you load the
> object with no translation at all? When the object loads with out any
> translation and scaling is it to the right of the worlds origin? If you have
> to create a small sphere, cube, or point, to help mark the location of
> origin, and add it to the objects branch group with out translation. This
> will give you an idea of where the object is being scaled from.
>
> Where do you want to scale it from, the objects origin, or somewhere else
> inside the object space? If the object itself is not centered properly you
> will then have to translate before you scale (have a translate node inbetween
> the scale node and your object node) so that you can control where the object
> scales from (alter the objects origin).
>
> Here is one way to think about it. When you scale an object up, its as if you
> are shrinking. So imagine if you (the origin) were standing in the yard of a
> house, and you shrank down in size, well the house will apear to get farther
> and farther away from you as the distance between you and the house scales
> up. Like that movie Honey I shrunk the kids, where the yard becomes a jungle
> and making it back to the house is a long journey instead of just a few steps
> away. That is one way of thinking about what is happening here, why it
> appears the house is moving. The diffrence is that the view is not being
> scaled, its the house that is being scaled, so the origin is where ever
> (0,0,0) is for the house, if the house is right of its own origin, then it
> will appear to move to the right as the distance between the house and its
> origin is scaled up.
>
> Look at the example attached, I believe that to be where origin is located at.
>
> Leyland Needham
>

Tina Manoharan

I can see the light at the end of the tunnel. Yeah! I am getting there.

Work:                                           Home:
------                                          ------
Heriot Watt University  , PhD                   89 Lothian Road
Dept. of Computing & Electrical Eng.            Flat: 3f1
Riccarton, Edinburgh EH14 4AS                   Edinburgh EH3 9AW
Ph: 0131 449 5111 ext. 4197 (lab)               Ph: 07801 069485 (mobile)
Ph: 0131 449 5111 ext. 4191 (office)            Ph: 07740 959483 (mobile)
                                                Ph: 0044 131 477 9043


===========================================================================
To unsubscribe, send email to [EMAIL PROTECTED] and include in the body
of the message "signoff JAVA3D-INTEREST".  For general help, send email to
[EMAIL PROTECTED] and include in the body of the message "help".

Reply via email to