On Sun, 08 Aug 1999 11:46:34 -0700, Ken <tyl### [at] pacbellnet> wrote:
>
>PoD wrote:
>> 
>> When you use the orthographic camera, all the camera rays are parallel.
>> This means that when the points below the y=-1.5 plane are rendered, the
>> camera is effectively below this plane as well.
>> When the pixel representing <0,0,0> is rendered, the effective camera
>> location is <0,0,-6.5>, when <20,-10,0> is rendered, the camera is at
>> <20,-10,-6.5> etc.
>> So you are looking _under_ the horizontal plane.
>> 
>> Cheers, PoD.
>
> A good explaination and one I will accept. Next question then is should Pov
>be able to see through solid object like this regardless of camera type ?
>It seems to defy the laws of the physical world as I know them to be.

If you think of the orthographic camera as an array of cameras, one for each pixel and
all
parallel to each other, the result may be clearer.
David
------------
dav### [at] cwcomnet
http://www.hamiltonite.mcmail.com
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