It was designed to be very simple to use and provides only basic functionalities. Open QGis3 click on Plugins>Manage and Install Plugins click on 'All' then search for 'QWaterModel' and click the ...
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 ...