[ros-users] A question about OpenCV

[Marius Muja]

Hi Hao,

The OpenCV source has been reorganized to have a modular structure and
the preferred way of including header files is by using the *.hpp
includes. For example instead of

#include <opencv/cxcore.h>

you should do now

#include <opencv2/core/core.hpp>

A easy way to see which header you need to include if you know the
function you are using: for example, assuming you want to display an
image using the cv::imshow function and want to know what header to
include:

roscd opencv2/opencv/include/
grep -r imshow .


Hope this helps,

Marius


On Mon, Aug 2, 2010 at 1:05 PM, Hao Du <haodu.mailinglist at gmail.com> wrote:
> I use the package opencv2, and included "opencv/cv.h".  It reports a
> warning:
>     #warning "This is a deprecated opencv header provided for
> compatibility. Please include a header from a corresponding opencv module"
>
> I haven't been staying in this developing track.  It seems that cv.h is
> deprecated in Version 2 (or 2.1?).
>
> What would be the right way then to include opencv headers?   -- It
> would be further appreciated if anyone can point me to the reason of
> that being deprecated.
>
> Thanks!
>
> Hao
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