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Hi! I found a line-following package (https://github.com/robotictang/eddiebot_line_follower) that was originally made for fuerte, and I would like to use it groovy. The rosmake compilation generates errors probably due to the incompatibilities between groovy and fuerte. What can I do, is there any description or tutorial that helps to convert between the different ROS versions?
In this case, the issue is that eddiebot_line_follower uses CvBridge.h, which was marked as deprecated in fuerte and removed in groovy.
To get the package to work in groovy, you'll need to update eddiebot_line_follower to work with the current cv_bridge API. The following changes get the code to compile on my machine (under groovy):
40 //#include <cv_bridge/CvBridge.h>
103 cv::Mat imgMat = cv_bridge::toCvCopy(msg, "rgb8")->image;
104 IplImage* img = new IplImage(imgMat);
238 cv_bridge::CvImage tmpImg(std_msgs::Header(), "rgb8", cv::Mat(img));
239 sensor_msgs::ImagePtr out = tmpImg.toImageMsg();
NOTE: this trivial mod introduces a small memory leak (IplImage header). You should add the appropriate de-allocation call later to release the memory, if you intend to use this for anything other than testing purposes
Asked: 2013-04-03 00:25:25 -0500
Seen: 538 times
Last updated: Apr 03 '13
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I guess ROS Packages are not forward compatible.
I don't think that is quite a fair assertion. Most ROS packages work on multiple versions with no changes. I'm unsure exactly what error @ZoltanS is encountering, but looking into the new catkin build tools would be a good place to start. The eddiebot package doesn't even have a
package.xml