Before all the cmd, DONOT forget to download the Vocabulary form the origin repo and place it into dir ./Vocabulary
cd YourDirectory/ORBSLAM2_with_pointcloud_map
chmod +x build.sh
./build.sh
cd YourDirectory/ORBSLAM2_with_pointcloud_map/ORB_SLAM2_modified
mkdir build
cd build
cmake ..
make -j
./run/rgbd_tum Vocabulary/ORBvoc.bin path_to_settings path_to_sequence path_to_association
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changing the vocabulary loading method into binary mod
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adding a pointcloud viewer( realized by adding a viewer thread )
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changing the CMakeLists.txt that all the executable files are placed in ./bin