The OpenCraterTool is an open source extension for QGIS to measure and compare craters. The tool enables a map projection-independent measurement of crater sizes as basis for accurate dating of planetary surfaces. Scientific publications using the OpenCraterTool are welcome to cite the following article as a reference: https://doi.org/10.1016/j.pss.2023.105687
For questions or suggestions, do not hesitate to contact thomas.heyer[at]uni-muenster.de.