Re: videomap

Chris Shenton (
Fri, 20 Jan 1995 19:11:32 +0100

>> Video information is 3D in comparison to
>> imagemap which is 2D. So we only need to return x,y, and t
>> coordinates in stead of x and y in the imagemap case.

On Fri, 20 Jan 1995 00:45:15 +0100, said:

jern> Considering reaction times you might want to set a t offset of,
jern> say, -5. As in, hey, I really meant the frame I say a half sec
jern> ago. Or, use an mpeg viewer that has freeze frame, step, fast
jern> forward, back, etc.

Well, just as you specify *areas* of XY space (eg: a circle),
you'd probably also specify *volumes* of XYT spacetime (eg: a sphere,
possibly of diameter `t').