Hi, you can check some examples in the image_transport plugin, or our
message_transport package:
https://github.com/ethz-asl/ros-message-transport
which is using the same code base: see compressed and theora transports.

Hope that helps...


On Wed, Nov 28, 2012 at 6:04 PM, Oier Mees <oier.mees@gmail.com> wrote:

> Hello,
> I am trying to migrate code to groovy and have problems with CvBridge.
> Since the tutorials for CvBridge[0] haven't been updated to groovy, I
> don't know if the API has changed. Could anyone tell me if CvBridge works
> now differently?
>
> The offending code is this one:
>
> void imageDepth_callback(const sensor_msgs::ImageConstPtr& msg)
> {
>     sensor_msgs::CvBridge bridge;
>     IplImage *aux=NULL;
>     aux = bridge.imgMsgToCv(msg, msg->encoding.c_str());
>     cvCopy(aux, PointCloud_image);
> }
> The error message is:
> error: ‘CvBridge’ is not a member of ‘sensor_msgs’
>
> Regards,
> Oier
>
> [0]
> http://www.ros.org/wiki/cv_bridge/Tutorials/UsingCvBridgeToConvertBetweenROSImagesAndOpenCVImages
>
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>
>


-- 
Cedric Pradalier