Contour extraction

For tools...

Install

sudo apt-get install python3-pyqt5
sudo apt-get install qttools5-dev-tools
sudo apt-get install qtcreator pyqt5-dev-tools
sudo apt-get install qtcreator pyqt5-dev-tools

pip install numpy
pip install ezdxf
pip install opencv-python
pip install matplotlib
pip install scipy
pip install pyqtgraph

Generate UI file

pyuic5 mainWindow.ui -o mainWindow.py