Both the the disparity and the points2 messages have the information
you need. Note that your camera should be calibrated.
best,
Daniel

On Tue, Feb 1, 2011 at 8:13 PM, Homer Manalo
<homer.manalo@roboteknik.com> wrote:
> I've actually used it for viewing disparity and rectifying images. What
> topic exactly are you referring to?
>
> Homer
>
> On Tue, Feb 1, 2011 at 11:43 PM, Daniel Maturana <dimatura@gmail.com> wrote:
>>
>> Try http://www.ros.org/wiki/stereo_image_proc.
>> Daniel
>>
>> On Tue, Feb 1, 2011 at 4:13 AM, Homer Manalo
>> <homer.manalo@roboteknik.com> wrote:
>> > Are there packages that convert stereo data into real world measurements
>> > -
>> > how far an object is from camera?
>> >
>> > Thanks,
>> > Homer
>> >
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>> >
>> >
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>