cmake pcl_ros examples

jkk-research/pointcloud_to_grid CMakeLists.txt :24 

find_package(pcl_ros REQUIRED)

fzi-forschungszentrum-informatik/gpu-voxels packages/gpu_voxels/CMakeLists.txt :42 

FIND_PACKAGE(pcl_ros)

jkk-research/urban_road_filter CMakeLists.txt :18 

find_package(pcl_ros REQUIRED)