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Cam2image py - #107

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clalancette wants to merge 16 commits into
ros2:rollingfrom
clalancette:cam2image_py
Open

Cam2image py#107
clalancette wants to merge 16 commits into
ros2:rollingfrom
clalancette:cam2image_py

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@clalancette

@clalancette clalancette commented Jan 10, 2017

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The code on this branch should resolve Issue #85 for quality of service demos in python. I've tested all of the basic functionality of this python code, including:

  • Getting images either from a camera or from the built-in "burger"
  • Flipping the image when an "image_flip" message comes in
  • Changing the image width and height
  • Changing the QoS parameters

I used the C++ "showimage" program to be the subscribing side for all of this testing. For the QoS parameter testing, I tested all of the following combinations:

cam2image_py reliable, showimage reliable - works
cam2image_py best effort, showimage best effort - works
cam2image_py reliable, showimage best effort - works
cam2image_py best effort, showimage reliable - doesn't work

From what Mikael told me, this seems to be the expected behavior.

One other thing I wasn't sure about was how I should setup the directory structure. The demos repository seems to be somewhat inconsistent on this, so I just ended up putting the python files image_tools_py/src. If they should go elsewhere, just let me know and I'll move them.

connects to #85

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