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This error is due to recent change in gmapping package. This can be fixed by recompiling the gmapping package as follows:

$ wget http://packages.ros.org/ros/ubuntu/pool/main/r/ros-indigo-gmapping/ros-indigo-gmapping_1.3.7.orig.tar.gz $ mkdir -p ~/catkin_ws/src $ cd ~/catkin_ws/src $ catkin_init_workspace $ tar xvf ../../ros-indigo-gmapping_1.3.7.orig.tar.gz $ mv ros-indigo-gmapping-1.3.7/ gmapping $ gedit gmapping/src/slam_gmapping.cpp

Change line 409 from: if (fabs(fabs(scan.angle_min) - fabs(scan.angle_max)) > FLT_EPSILON) to: if (fabs(fabs(scan.angle_min) - fabs(scan.angle_max)) > 0.003) // this is the value for Kinect Save and close the file. Go back to commandline:

$ cd .. $ catkin_make $ sudo cp $ sudo cp devel/lib/gmapping/slam_gmapping* /opt/ros/indigo/lib/gmapping/

This works for me.

This error is due to recent change in gmapping package. This can be fixed by modifying and recompiling the gmapping package as follows:

$ wget http://packages.ros.org/ros/ubuntu/pool/main/r/ros-indigo-gmapping/ros-indigo-gmapping_1.3.7.orig.tar.gz
$ mkdir -p ~/catkin_ws/src
$ cd ~/catkin_ws/src
$ catkin_init_workspace
$ tar xvf ../../ros-indigo-gmapping_1.3.7.orig.tar.gz
$ mv ros-indigo-gmapping-1.3.7/ gmapping
$ gedit gmapping/src/slam_gmapping.cpp
gmapping/src/slam_gmapping.cpp

  if (fabs(fabs(scan.angle_min) - fabs(scan.angle_max)) > FLT_EPSILON)
FLT_EPSILON)

  if (fabs(fabs(scan.angle_min) - fabs(scan.angle_max)) > 0.003) // this is the value for Kinect
Kinect

$ cd ..
$ catkin_make
$ sudo cp 
$ sudo cp devel/lib/gmapping/slam_gmapping* /opt/ros/indigo/lib/gmapping/
/opt/ros/indigo/lib/gmapping/

This error is due to recent change in gmapping package. This can be fixed by modifying and recompiling the gmapping package as follows:

$ wget http://packages.ros.org/ros/ubuntu/pool/main/r/ros-indigo-gmapping/ros-indigo-gmapping_1.3.7.orig.tar.gz
$ mkdir -p ~/catkin_ws/src
$ cd ~/catkin_ws/src
$ catkin_init_workspace
$ tar xvf ../../ros-indigo-gmapping_1.3.7.orig.tar.gz
$ mv ros-indigo-gmapping-1.3.7/ gmapping
$ gedit gmapping/src/slam_gmapping.cpp

  if (fabs(fabs(scan.angle_min) - fabs(scan.angle_max)) > FLT_EPSILON)

  if (fabs(fabs(scan.angle_min) - fabs(scan.angle_max)) > 0.003) // this is the value for Kinect

$ cd ..
$ catkin_make
$ sudo cp 
$ sudo cp devel/lib/gmapping/slam_gmapping* /opt/ros/indigo/lib/gmapping/

This error is due to recent change in gmapping package. This can be fixed by modifying and recompiling the gmapping package as follows:

$ wget http://packages.ros.org/ros/ubuntu/pool/main/r/ros-indigo-gmapping/ros-indigo-gmapping_1.3.7.orig.tar.gz
$ mkdir -p ~/catkin_ws/src
$ cd ~/catkin_ws/src
$ catkin_init_workspace
$ tar xvf ../../ros-indigo-gmapping_1.3.7.orig.tar.gz
$ mv ros-indigo-gmapping-1.3.7/ gmapping
$ gedit gmapping/src/slam_gmapping.cpp

  if (fabs(fabs(scan.angle_min) - fabs(scan.angle_max)) > FLT_EPSILON)

  if (fabs(fabs(scan.angle_min) - fabs(scan.angle_max)) > 0.003) // this is the value for Kinect

$ cd ..
$ catkin_make
$ sudo cp devel/lib/gmapping/slam_gmapping* /opt/ros/indigo/lib/gmapping/