Off the top of my head, we now need the "trunk" version of opencv.  I'll 
check up on this...kk

On 11/9/2010 11:43 AM, Lucas wrote:
> I'm using cturtle and followed the instructions at
> http://www.ros.org/wiki/vslam, but encountered an error about DMatch:
>
> vslam/frame_common/include/frame_common/frame.h:207: error: ‘DMatch’ is not a member of ‘cv’
>
>
> I don't see DMatch in my vision_opencv or in any of the files the
> checkout of the unstable tag pulled in.  I tried copying DMatch from
> https://code.ros.org/trac/opencv/browser/branches/features2d/opencv/modules/features2d/include/opencv2/features2d/features2d.hpp?rev=3589
> and got the build to this error:
>
> vslam/frame_common/src/frame.cpp:163: error: no match for ‘operator=’ in
> ‘((frame_common::FrameProc*)this)->frame_common::FrameProc::detector =
> (int*)operator new(4u)’
>
> I think I could hack further but I'm curious if there's a correct way to
> get vslam built.
>
> Thank you,
>
> Lucas Walter
>
> On Fri, Sep 24, 2010 at 4:06 PM, Kurt Konolige
> <konolige@willowgarage.com <mailto:konolige@willowgarage.com>> wrote:
>
>     All -
>
>     The vslam packages have moved around a bit lately, but have settled
>     down.  They now require unstable versions of opencv and pcl.  For your
>     convenience, there's an install file you can use to set up vslam
>     correctly, thanks to Patrick Mihelich.
>
>     # Download vision_opencv, point_cloud_perception and vslam sources
>     $ rosinstall ~/vslam_unstable /opt/ros/cturtle
>     https://code.ros.org/svn/wg-ros-pkg/branches/trunk_cturtle/rosinstall_files/cturtle/vslam-cturtle-base-overlay-devel.rosinstall
>
>     # Set up environment
>     $ . ~/vslam_unstable/setup.sh
>
>     # Build
>     $ rosmake vslam_system
>
>     This info will also be on the wiki page.
>
>     Cheers --Kurt
>
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