Estimating continuous floodplain and major river bed topography mixing ordinal coutour lines and topographic points

Jean-Stephane Bailly1, Mathieu Dartevelle2, Carole Delenne3 and Antoine Rousseau2, (1)LISAH, Univ Montpellier, INRAE, Montpellier, France, (2)INRIA, LEMON, Montpellier, France, (3)University of Montpellier, HSM, Montpellier, France