Re: Problem with camera

"David Weber" <[email protected]>
Newsgroups gmane.comp.cybernetics.webot.contest
Message-ID <000b01c3df5c$6b7179d0$6d7ba8c0@aksamit>
hi all

i found the solution to my problem

i tried to get the int-array of the camera twice
and it seems that this gets corrupt data

i invoked twice:
image = camera_get_image(camera);

and even the first data was corrupt ...

when i invoke it only once then the data is correct

greetz david



----- Original Message ----- 
From: "David Weber" <[email protected]>
To: <[email protected]>
Sent: Monday, January 19, 2004 10:20 PM
Subject: [webots-contest] Problem with camera


> hi all
>
> i've got a problem with the RGB values i get from the camera
> and i don't see the problem ...
>
> --------------------------------------------------------------------------
--
> ---
>
>         int camera = robot_get_device("camera");
>
>         camera_enable(camera,64);
>
>         int[] image = camera_get_image(camera);
>
>             for (int z =0 ; z < image.length; z++) { // z is the same as
(x
> + y * width)
>
>             int pixel = image[z];
>
>             int r = (pixel>>16)&0xFF;
>             int g = (pixel>>8)&0xFF;
>             int b = pixel&0xFF;
>         }
>
> --------------------------------------------------------------------------
--
> ---
>
> i tried it in various time steps and it always gets the same values ...
> most of those rgb - values are black and some of them are kind of green or
> blue
>
> any ideas ?
>
> greetz david
>
>
>
>
>
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