Here is a new version of Mapiah following the first comments by Bruce, Andrew and Xavier (thanks guys for the help and attention!!). It can be found at the same location: https://sourceforge.net/projects/mapiah Here is the changelog: 0.0.2 - first-stroll - 2021-11-15 - Initializing all class variables at constructors (Rodrigo Severo <rsev@pm.me>) - 5ae61f7 - Including libOpenGL.so.0 in Linux AppImage (reported by Andrew Atkinson <andrew@wotcc.org.uk>) - e354911 - Adding TODO list (Rodrigo Severo <rsev@pm.me>) - 728665c - Trying to be smart about 'Save As' default path (reported by Bruce Mutton <bruce@tomo.co.nz>) - abd5ece - Writing point, line and area IDs (reported by Bruce Mutton <bruce@tomo.co.nz>) - 4cac70e - Improving floats output to file (reported by Bruce Mutton <bruce@tomo.co.nz>) - 74c3996 - Changing Windows install directory to "C:\Program File (x86)" (Rodrigo Severo <rsev@pm.me>) Regards, Rodrigo