You can create each cross-section by hand with the add button ![add](https://gitlab.irstea.fr/theophile.terraz/pamhyr/-/raw/master/src/View/ui/ressources/gtk-add.png) or import an `.ST` file with the _import_ button.
You can create each cross-section by hand with the add button ![add](https://gitlab.irstea.fr/theophile.terraz/pamhyr/-/raw/master/src/View/ui/ressources/add.png) or import an `.ST` file with the _import_ button.