This layer of polygons makes it possible to represent the surface hydrographic network on Rennes Métropole.
Watercourses and bodies of water are mainly represented.
This layer is the aggregation of visible and invisible surfaces (hydro_visible field) of the data used for the communal and intercommunal city plan (PVCI).
Other fields available include:
\- hydro_visible: course or body of water visible from the sky (true or false);
\- type_hydro_name: type of watercourse or body of water;
\- deno_hydr_name: name of the course or body of water.
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