Hi miguel,

Keep the current transformation matrix in a history array (where
all(40-50) the past transformations are kept) and on each change add
all the past transformations with the current and divide by their
number..

Regards,

Andreas

On Mar 26, 10:01 pm, miguel <[email protected]> wrote:
> Hi, Im working on a AR framework to have the same functionality and
> behaviour as Layar or Wikitude does.
> Im working hard and now Im totally stuck and missing many hours trying
> to fix a problem: I cant get the screen objects to move smooth.
>
> Im trying to figure out how layar, wikitude, skymap or streetview does
> to have such a smooth moving overlays that follows the orientation
> changes of the devices. But I cant. (PLEASE: google free the skymap
> code)
> I dont even know if Im focusing the problem well so please, if someone
> could help me a bit It would be awesome.
>
> So here are some questions for someone who may answer it:
>
> - Any tip for the sensor noise removal? Low pass filter, threeshold?
> both? any value for that filters? I tried EVERYTHING but the smooth
> problem may not be just here (so sad)
> - Any useful tip to make the overlay views move smooth?
>
> Im using a framelayout witch has a camera overlay on it. Over it I
> paint everything else, the radar and its points, a frame, and the
> moving views so:
> - You think skymap or wikitude use a separated thread just for the
> painting?
> Should I include all the moving views on a surface or am I doing well?
> Do you think they are using openGL?
>
> Thank you very very much in advance. Any help would be appreciated.
> Im totally desperate and can go head without this issue solved. Sorry
> for my bad english and regards.

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