Install the plugin via QGIS Python Plugins Repository or ZIP-file downloadable from releases. JAXA Earth API plugin icon is added to QGIS toolbar. By clicking on this icon, plugin dialog is shown. Set ...
export the PYTHONPATH yourself export your QGIS build directory with export QGIS-BUILD-DIR=/Users/timlinux/dev/QGIS/build or provide QGIS build directory as argument ...