home/en/Geometry.md

+To edit the geometry of the current reach click on geometry button or in menu _Geometry > Edit geometry_.
+
+# Edit geometry
+
+The geometry edition window contains a table with the list of cross-sections and tree plot with different view. The first one is an X/Y representation, the second one is an KP/Elevation view and the last one is a view of the current cross-section selected on the table with also the previous and next cross-sections if exists.
+
+![Geometry window](https://gitlab.irstea.fr/theophile.terraz/pamhyr/-/raw/master/doc/images/wiki/geometry_empty_window.png){width=80%}
+
+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.
+
+![Geometry import window](https://gitlab.irstea.fr/theophile.terraz/pamhyr/-/raw/master/doc/images/wiki/geometry_import_window.png){width=80%}
+
+# Cross-section edition
+
+You can select a cross-section and click on the edit button ![edit](https://gitlab.irstea.fr/theophile.terraz/pamhyr/-/raw/master/src/View/ui/ressources/edit.png){height=20px} to modify it. In this case, a new window appears. On this window you have a table of cross-section points. You can add, delete and modify points coordinate and name.
+
+![Geometry edit cross-section window](https://gitlab.irstea.fr/theophile.terraz/pamhyr/-/raw/master/doc/images/wiki/geometry_edit_profile_window.png){width=80%}
+
+:bulb: You can paste data from a spreadsheet program like LibreOffice.
+
+# Meshed geometry (optional)
+
+It is possible to use the mage meshing function to create a new meshed geometry with the _meshing_ button. _At this point, this option as no arguments._
+
+![Geometry meshed window](https://gitlab.irstea.fr/theophile.terraz/pamhyr/-/raw/master/doc/images/wiki/geometry_meshed_window.png){width=80%}
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