qt opencv linux installation notes.txt

Install library / packages:
*Note most commands require sudo

Generic:
apt-get install build-essential cmake gcc-arm* git unzip pkg-config


Qt install:
apt-get install qtcreator
apt-get install qt5-default
apt-get install qt5-doc qtbase5-examples qtbase5-doc-html

Or for Ubuntu versions >= 22.04 that don't have qt5-default:
apt-get install qtbase5-dev qt5-qmake

qtchooser -l
qtchooser -print-env (make sure qt5 is selected)

Qt from online installer (installs Qt IDE - Qt Creator):
https://the-codeslinger.com/2020/12/20/manual-install-of-qt6-on-linux-mint/
https://www.qt.io/download-open-source


OpenCV install:
apt-get install libopencv-dev

Alternatively OpenCV build (e.g. on Raspbian):
https://qengineering.eu/install-opencv-4.2-on-raspberry-pi-4.html


Clone project using git
git clone git@github.com:folterj/BioImageOperation.git


Compile using Qt Creator, or CMake:
- cmake from within sub-folder 'build' inside BioImageOperation root folder
- when making changes ensure cleaning build folder
mkdir build
cd build
cmake ..
make