output of camera plugin in standalone gazebo

asked 2013-06-24 11:05:23 -0500

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Hi all,

Dear Friends, i want to do a simple project and i need to image processing, i should say that i work with standalone version of gazebo (1.8) (without ROS), so, i inserted a camera in gazebo and i get output of it with this command:

> gztopic echo /gazebo/default/camera/link/camera/image

but i can't understand its output:

    time {
  sec: 17
  nsec: 449000000
}
image {
  width: 5
  height: 2
  pixel_format: 3
  step: 15
  data: "\255\273\336\250\267\333\246\264\332\246\265\332\251\267\333\214\214\214\214\214\214\214\214\214\214\214\214\214\214\214"
}

any one can explain the output? also i set width = 5 and height=2 in SDF file of camera. i want to know what is the pixel_format and step and order of data ?!

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Thank you so much, but my friend i can't understand exactly order of data? based on your explanation the first three number are for first pixel in first line and first column (or in other way the first fifteen number are for first row of image), and data printed row by row? am i right?!

Vahid ( 2013-06-25 10:41:02 -0500 )edit

That's how I interpret the data.

SL Remy ( 2013-06-25 13:14:42 -0500 )edit

Thank you so much my friend.

Vahid ( 2013-06-25 14:56:43 -0500 )edit

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