Add experiment on Pantanal on regular grid

tests/Pantanal_n48_regular/BuildHTUs_Pantanal.pbs

+#!/bin/bash
+#
+#PBS -N BuildHTUs_P
+#
+#PBS -j oe
+#PBS -l nodes=1:ppn=48
+#PBS -l walltime=128:00:00
+#PBS -l mem=252gb
+#PBS -l vmem=252gb
+#
+cd ${PBS_O_WORKDIR}
+export NSLOTS=$(($PBS_NUM_NODES*$PBS_NUM_PPN))
+#
+# Set the right Python 3 Anaconda environment
+#
+source ../../Environment
+#
+# Clean-up. Weights are kept for future runs.
+#
+/bin/rm -f DocumentationInterface *.nc *.txt
+#
+# Run the Python code to generate the HTUs and write them into a netCDF file.
+#
+mpirun -n ${NSLOTS} python ../../RoutingPreProc.py
+if [ $? -gt 0 ] ; then
+    echo "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
+    echo "X    Run on Iberian Peninsula failed    X"
+    echo "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
+else
+    echo "======================================="
+    echo "= Run on Iberian Peninsula successful ="
+    echo "======================================="
+fi
+#
+ls -l

tests/Pantanal_n48_regular/run.def

+[OverAll]
+#
+#
+#
+EarthRadius = 6370000.
+#
+ModelGridFile = /bdd/ORCHIDEE_Forcing/BC/OOL/OL2/WFDEI_CRU/WFDEI_CRU_1994.nc 
+WEST_EAST = -68.75, -53.25
+SOUTH_NORTH = -24.5, -14.25
+HydroFile = /homedata/aschrapffer/RoutingNc_AS/SouthAmerica_FP/routing.nc
+#
+# FORTRAN interface parameters
+#
+Documentation = true
+#
+# Configuration for the graph to be generated
+#
+nbasmax = 50
+#
+# Number of operation of simplification performed together
+#
+numop = 200
+#
+# Output
+#
+GraphFile = WFDEI_CRU_Pantanal_test_graph.nc
+#
+# Diagnostics
+# You need to provide an interval in longitude and Latitude.
+#
+DiagLon = 3.9, 3.9
+DiagLat = 40.0, 40.0