Re: Problem with camera

do you have hotmail messenger. if so, i am new under [email protected]
  ----- Original Message ----- 
  From: David Weber 
  To: [email protected] 
  Sent: Tuesday, January 20, 2004 2:50 PM
  Subject: Re: [webots-contest] Problem with camera


  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
  >
  >
  >
  >
  >
  > Yahoo! Groups Links
  >
  > To visit your group on the web, go to:
  >  http://groups.yahoo.com/group/webots-contest/
  >
  > To unsubscribe from this group, send an email to:
  >  [email protected]
  >
  > Your use of Yahoo! Groups is subject to:
  >  http://docs.yahoo.com/info/terms/
  >
  >
  >
  >



        Yahoo! Groups Sponsor 
              ADVERTISEMENT
             
       
       


------------------------------------------------------------------------------
  Yahoo! Groups Links

    a.. To visit your group on the web, go to:
    http://groups.yahoo.com/group/webots-contest/
      
    b.. To unsubscribe from this group, send an email to:
    [email protected]
      
    c.. Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service.