Camera Problem.

[Maz]

Ok, this has to be the most embarrasing question. BUT. i just cant figure it out for the life of me. Any help will be greatly appreciated.

Im making an animation where i want the camera to change locations abruptly. But when i keyframe it, for some reason all the frames before and after have automatically tweened into a curve.
How can i get rid of that? Ive played with the pre/post behaviour and spline controls in graph editor, but i cant get it to stop.
------
Ill give an example.

Frame 01: Keyframe camera into position A.

Frame 19: Keyframe camera in exact same postion A again. (to prevent movement between 01 and 19).

Frame 20: Move camera into position B and keyframe.
------
I would have thought this would eliminate any movement of the camera between frames 01 to 19, then instantly be at position B for frame 20 (which is what i want to happen). But alas, between 01 and 19, the camera now starts tweening Position A and B, and after frame 20 it keeps moving.

please, stop laffing at my stupidity for a few sec and post a helpful reply :P. j/k.

thanx in advance..

[js33]

Hi Maz,

Well first I would suggest a read of the manual.
Lightwaves keyframes are spline curves by default. What you need to do is set the camera keyframes all to linear to avoid the movement.

Cheers,
JS

[hrgiger]

Or if you read the manual you would know how to adjust tension and bias in the curves...

[Maz]

heh, i *did* read the manual. but me and manuals are like fire and protected forestry. (we dont work well together :P)

i tried setting the camera to linear on prebehavior and post behavior, but the same thing happens, only on a slightly straighter curve. Its really got me perplexed.

[edit]

hrgiger: Thanks alot man, i found it was the tension that needed fixing. Life saver :P Just had to leave behaviours as constant and push the tension all the way to 1.0 and it worked a charm!!!
thanx a ton man.
Now i can continue with my masterpiece!
(Pixar here i come ;)

[js33]

A Tension of 1 will work but if you want absolutely no movement it should be linear. As linear has no interpretation between keyframes.

Cheers,
JS

[Maz]

umm, one more thing. is there a way to defualt the tension to 1 so i dont have to change it for every keyframe and every xyz?

[hunter]

Don't think you can set it to 1 by default, but forget all this about tension. For what you're trying to do, as js33 said, is set your incoming curve to linear. Also, forget pre and post behaviors.

[w_will]

Whats with the RTFM response? At least he got his problem fixed, but responses like that make people afraid to ask questions.
My 2 cents for what its worth...
WILL

[WizCraker]

Originally posted by w_will
Whats with the RTFM response? At least he got his problem fixed, but responses like that make people afraid to ask questions.
My 2 cents for what its worth...
WILL

Because the manual will give the user an insightful knowledge on the interworkings inside of Lightwave.

On a side note check out the shortcut transition from Lightwave to Maya here (http://www.alias.com/eng/products-services/maya/index.shtml) it is on the bottom of the page.

That is if you use Maya at all.