Report: fixed gui not built with Qt6. Improved dev containers. Add latest deps dev container for convenience.

.devcontainer/latest-deps-from-source/Dockerfile

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+ARG ROS_DISTRO=noble
+
+FROM osrf/ros:${ROS_DISTRO}-desktop
+
+# Install build dependencies
+RUN apt-get update && \
+    apt-get install -y git software-properties-common ros-${ROS_DISTRO}-rtabmap-ros libqt6* qt6* qml6* && \
+    apt-get remove -y ros-${ROS_DISTRO}-rtabmap* ros-${ROS_DISTRO}-gtsam ros-${ROS_DISTRO}-libg2o libpcl* libqt5* qt5* libvtk* libopencv* && \
+    apt-get clean && rm -rf /var/lib/apt/lists/
+
+# remove ubuntu user
+RUN touch /var/mail/ubuntu && chown ubuntu /var/mail/ubuntu && userdel -r ubuntu
+
+RUN apt-get update && apt-get install -y sudo && \
+    apt-get clean && rm -rf /var/lib/apt/lists/
+
+ARG USERNAME=vscode
+ARG USER_UID=1000
+ARG USER_GID=1000
+
+RUN set -ex && \
+    groupadd --gid ${USER_GID} ${USERNAME} && \
+    useradd --uid ${USER_UID} --gid ${USER_GID} -m ${USERNAME} && \
+    usermod -a -G sudo ${USERNAME} && \
+    echo "${USERNAME} ALL=(ALL) NOPASSWD:ALL" > /etc/sudoers.d/${USERNAME} && \
+    chmod 0440 /etc/sudoers.d/${USERNAME}
+
+RUN mkdir -p /home/${USERNAME}/Documents/RTAB-Map
+
+RUN echo "source /usr/share/bash-completion/completions/git" >> /home/${USERNAME}/.bashrc
+
+WORKDIR /home/${USERNAME}/
+
+RUN rm /bin/sh && ln -s /bin/bash /bin/sh
+
+# We build main dependencies from source, cleaning up the
+# build directory after install but keeping the source code
+# to change version/reinstall from inside the dev container
+# if needed.
+
+# Build latest VTK with Qt6
+RUN git clone https://github.com/Kitware/VTK.git
+RUN cd VTK && \
+    mkdir build && \
+    cd build && \
+    cmake -DVTK_GROUP_ENABLE_Qt=YES .. && \
+    make -j$(nproc) && \
+    make install && \
+    make clean
+    
+# Build latest PCL with latest VTK
+# Make sure all libraries depending on Eigen are built with same CXX standard (17)
+RUN git clone https://github.com/PointCloudLibrary/pcl.git
+RUN cd pcl && \
+    mkdir build && \
+    cd build && \
+    cmake -DCMAKE_CXX_STANDARD=17 -DBUILD_tools=ON -DPCL_ENABLE_AVX=OFF -DPCL_ENABLE_MARCHNATIVE=OFF -DPCL_ENABLE_SSE=OFF .. && \
+    make -j$(nproc) && \
+    make install && \
+    make clean
+    
+# Build latest OpenCV
+RUN git clone https://github.com/opencv/opencv.git
+RUN git clone https://github.com/opencv/opencv_contrib.git
+RUN cd opencv && \
+    mkdir build && \
+    cd build && \
+    cmake -DBUILD_opencv_python3=OFF -DBUILD_opencv_python_bindings_generator=OFF -DBUILD_opencv_python_tests=OFF -DBUILD_PERF_TESTS=OFF -DBUILD_TESTS=OFF -DOPENCV_ENABLE_NONFREE=ON -DOPENCV_EXTRA_MODULES_PATH=/root/opencv_contrib/modules .. && \
+    make -j$(nproc) && \
+    make install && \
+    make clean
+
+# Build latest gtsam
+RUN git clone https://github.com/borglab/gtsam.git
+RUN cd gtsam && \
+    mkdir build && \
+    cd build && \
+    cmake -DCMAKE_CXX_STANDARD=17 -DGTSAM_BUILD_WITH_MARCH_NATIVE=OFF -DGTSAM_BUILD_EXAMPLES_ALWAYS=OFF -DGTSAM_BUILD_TESTS=OFF -DGTSAM_BUILD_STATIC_LIBRARY=OFF -DGTSAM_BUILD_UNSTABLE=OFF -DGTSAM_INSTALL_CPPUNILITE=OFF -DGTSAM_USE_SYSTEM_EIGEN=ON -DCMAKE_BUILD_TYPE=Release .. && \
+    make -j$(nproc) && \
+    make install && \
+    make clean
+
+# Build latest g2o
+RUN git clone https://github.com/RainerKuemmerle/g2o.git
+RUN cd g2o && \
+    mkdir build && \
+    cd build && \
+    cmake -DCMAKE_CXX_STANDARD=17 -DBUILD_WITH_MARCH_NATIVE=OFF -DG2O_BUILD_APPS=OFF -DG2O_BUILD_EXAMPLES=OFF -DG2O_USE_OPENGL=OFF -DCMAKE_BUILD_TYPE=Release .. && \
+    make -j$(nproc) && \
+    make install && \
+    make clean
+
+# ros2 seems not sourcing by default its multi-arch folders
+ENV LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/opt/ros/${ROS_DISTRO}/lib/x86_64-linux-gnu
+
+RUN ldconfig
+
+RUN chown -R ${USERNAME} /home/${USERNAME}

.devcontainer/latest-deps-from-source/devcontainer.json

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+{
+    "build": {
+      "dockerfile": "Dockerfile",
+      "args": {
+        "ROS_DISTRO": "jazzy"
+      }
+    },
+    "customizations": {
+        "vscode": {
+          "extensions": ["ms-vscode.cpptools-themes", "ms-vscode.cmake-tools"]
+        }
+      },
+    "workspaceMount": "source=${localWorkspaceFolder},target=/home/vscode/rtabmap,type=bind",
+    "workspaceFolder": "/home/vscode/rtabmap",
+    "mounts": ["source=${localEnv:HOME}/Documents/RTAB-Map,target=/home/vscode/Documents/RTAB-Map,type=bind,consistency=cached"],
+    "settings": {
+      "terminal.integrated.defaultProfile.linux": "bash"
+    },
+    "remoteUser": "vscode",
+    "runArgs": ["--privileged", "--network=host"]
+}