“ The objective of this Web Viewer is to show the capacity of a web linked to a POSTGRESQL database (with PostGIS extension) to modify the stored geometry and project it in real time on the viewer map. ”

“ This viewer shows how by selecting a river in Catalonia and indicating an overflow range (any value between 0 and 2000m) the area flooded by the river and the surface of the flooded population center can be visualized in real time. ”

1st.) Seleccionar una provincia.
2nd.) Select a River.
3rd.) Enter how many meters the river overflows (Rang).
4th.) Display River + Range + Population Center within 2km of the river.
5th.) Select Flooded Population Nucleus
6th.) Click with the mouse on the flooded zone