[Rock-dev] image_preprocessing -> DepthImage2Pointcloud callback method never called?

[Martin.Azkarate at esa.int]

Dear Rockers,

I am using the image_preprocessing component, specifically the 
DepthImage2Pointcloud task.

I am feeding the color and distance image to the component (I can see them 
in the rock-display). However, it seems like the callback method for the 
frame port (it's a port driven task) is never called...as I cannot see any 
data in the output port (rock display says "no data"). I have added a 
debug line (cout <<) to see if it enters the method but nothing. 
Strangely, I happen to see this debug line when terminating the component, 
just once, as if the method would be called before terminating the task...
I don't know if it has to do with the fact that is the task includes a 
stream aligner and I am not feeding the frames at the right frequency...? 

Anyone had this kind of experience before?

Regards,
Martin Azkarate
TEC-MMA
HE Space for ESA - European Space Agency
Space Automation and Robotics Engineer 
ESTEC - European Space research and TEchnology Centre
Keplerlaan 1, 2201 AZ Noordwijk 
The Netherlands 
Martin.Azkarate at esa.int | www.esa.int 
Tel +31 71 565 3480 | Mob +31 650 625 564 
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