You likely have a conflicting #define in one of your headers.

On Fri, Dec 17, 2010 at 9:11 PM, panj <panjia1983@gmail.com> wrote:

solved....Must include #include <pcl_ros/io/bag_io.h>
#include <pcl/point_types.h>
or
#include <rosbag/bag.h>
#include <rosbag/chunked_file.h>
#include <rosbag/view.h>
#include <sensor_msgs/point_cloud_conversion.h>
#include <boost/foreach.hpp>
#include <sensor_msgs/PointCloud2.h>
before headers of my own...Weird...

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