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accessing value of variable of one callback in other callback

asked 2013-07-23 06:41:47 -0600

fairy gravatar image

I have 2 callbacks in my program subcribing on depth and rgb image.I have detected circle and calculated its centre point from rgb data now I am trying to access the depth value of that centre point by passing the point to the second callback but when I run the code it generate "segmentation fault". Is there any solution for this??? kindly help

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you should post your code.

thebyohazard gravatar image thebyohazard  ( 2013-07-23 08:51:09 -0600 )edit

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answered 2013-07-23 10:26:57 -0600

allenh1 gravatar image

I'd suggest you thread your system. I cannot tell if you have, for you did not paste your code.

Threading would enable you to keep the variables that you from both callbacks to be in a common class. That would get rid of your segmentation fault.

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Asked: 2013-07-23 06:41:47 -0600

Seen: 89 times

Last updated: Jul 23 '13