missing header file causing" plotTrajectory.cpp:13:28: error: ‘Isometry3d’ was not declared in this scope"

[zylinux]

mzhang@mzhang-XPS-9320:~/home_work/SLAM/slambook2/ch3/build$ make
[ 10%] Building CXX object useEigen/CMakeFiles/eigenMatrix.dir/eigenMatrix.cpp.o
[ 20%] Linking CXX executable eigenMatrix
[ 20%] Built target eigenMatrix
[ 30%] Building CXX object useGeometry/CMakeFiles/eigenGeometry.dir/eigenGeometry.cpp.o
[ 40%] Linking CXX executable eigenGeometry
[ 40%] Built target eigenGeometry
[ 50%] Building CXX object visualizeGeometry/CMakeFiles/visualizeGeometry.dir/visualizeGeometry.cpp.o
[ 60%] Linking CXX executable visualizeGeometry
[ 60%] Built target visualizeGeometry
[ 70%] Building CXX object examples/CMakeFiles/coordinateTransform.dir/coordinateTransform.cpp.o
[ 80%] Linking CXX executable coordinateTransform
[ 80%] Built target coordinateTransform
[ 90%] Building CXX object examples/CMakeFiles/plotTrajectory.dir/plotTrajectory.cpp.o
/home/mzhang/home_work/SLAM/slambook2/ch3/examples/plotTrajectory.cpp:13:28: error: ‘Isometry3d’ was not declared in this scope
13 | void DrawTrajectory(vector<Isometry3d, Eigen::aligned_allocator>);
| ^~~~~~~~~~
/home/mzhang/home_work/SLAM/slambook2/ch3/examples/plotTrajectory.cpp:13:65: error: ‘Isometry3d’ was not declared in this scope
13 | void DrawTrajectory(vector<Isometry3d, Eigen::aligned_allocator>);
| ^~~~~~~~~~
/home/mzhang/home_work/SLAM/slambook2/ch3/examples/plotTrajectory.cpp:13:65: error: template argument 1 is invalid
/home/mzhang/home_work/SLAM/slambook2/ch3/examples/plotTrajectory.cpp:13:75: error: template argument 1 is invalid

FIX is :
In order to solve this , please add a line "#include <Eigen/Geometry>" into plotTrajectory.cpp. you should be good.

looks like I don't have permission to create remote branch and do the PR. anyway. Hope this could help someone. There was another issue might related to this as well.

#308

@gaoxiang12