# -*- coding: utf-8 -*-
"""
-example of use case of interpolZ and createZfield methods:
+example of use case of interpolZ:
# --- case name in HYDRO
nomCas = 'inondation1'
# --- Z interpolation on the bathymety/altimetry on the mesh nodes
interpolZ(nomCas, fichierMaillage, dicoGroupeRegion, zUndef, interpolMethod)
"""
-__revision__ = "V2.02"
+__revision__ = "V2.04"
# -----------------------------------------------------------------------------
# -----------------------------------------------------------------------------
#from med import medlocalization
#from med import medlink
+# La fonction createZfield1 ne sert plus à partir du 12/07/2017
def createZfield1(fichierMaillage):
"""
Complete the mesh for Telemac.
# -----------------------------------------------------------------------------
-import MEDLoader
-from MEDLoader import MEDCouplingFieldDouble, ON_NODES, DataArrayDouble, MEDFileMesh
-
+# La fonction createZfield2 ne sert plus à partir du 12/07/2017
def createZfield2(fichierMaillage):
"""
Complete the mesh for Telemac.
return <fichierMaillage>F.med : med file containing the field "BOTTOM"
"""
+ import MEDLoader
+ from MEDLoader import MEDCouplingFieldDouble, ON_NODES, DataArrayDouble, MEDFileMesh
+
basename = fichierMaillage[:-4]
fichierZMaillage = basename + 'Z.med'
fichierFMaillage = basename + 'F.med'
# -----------------------------------------------------------------------------
-def interpolZ(nomCas, fichierMaillage, dicoGroupeRegion, zUndef=90., interpolMethod=0, zUndefThreshold=-9000., xyzFile=False, verbose=False):
+def interpolZ(nomCas, fichierMaillage, dicoGroupeRegion, zUndef=90., interpolMethod=0, xyzFile=False, verbose=False):
"""
interpolZ takes a 2D (x,y) mesh and calls the active instance of module HYDRO
to interpolate the bathymetry/altimetry on the mesh nodes, to produce the Z value of each node.
nomCas: Calculation Case Name in module HYDRO
fichierMaillage: med file name produced by SMESH, corresponding to the HYDRO case
dicoGroupeRegion: python dictionary giving the correspondance of mesh groups to HYDRO regions.
- Key: face group name, value: region name in the HYDRO Case
+ Key: face group name
+ Value: region name in the HYDRO Case
zUndef: Z value to use for nodes outside the regions (there must be none if the case is correct).
default value is 90.
interpolMethod: integer value
0 = nearest point on bathymetry (default)
1 = linear interpolation
zUndef: Z value to use for nodes outside the regions (there must be none if the case is correct).
- zUndefThreshold: if the interpolated z is under this value, it is replaced by zUndef
- default value is -9000.
xyzFile: True/False to write an ascii file with xyz for every node. Default is False.
Out:
statz: statistique for z
- Key: face group name, value: (minz, maxz, meanz, stdz, v05z, v95z)
+ Key: face group name
+ Value: (minz, maxz, meanz, stdz, v05z, v95z)
Out:
return <fichierMaillage>F.med : med file with Z value on nodes and in a field "BOTTOM"
"""
message = ""
while not erreur:
-
+
if verbose:
+ print "nomCas:", nomCas
print "interpolMethod: %d" % interpolMethod
print "zUndef:", zUndef
- print "zUndefThreshold: %f" % zUndefThreshold
doc = HYDROPy.HYDROData_Document.Document(theStudyId)
cas = doc.FindObjectByName(nomCas)
fichierFonds = basename + '.xyz'
print "fichierFonds =", fichierFonds
#
-# 1. Reads the mesh and gets the number of nodes
+# 1. Reads the mesh
#
meshMEDFileRead = ml.MEDFileMesh.New(fichierMaillage)
#
bathy[nodeId] = vz[iaux]
#
# 5. Minimum:
-# If the value is lower than a threshold, an "undefined" valeur is set
+# During the interpolation, if no value is available over a node, a default value
+# is set: -9999. It has no importance for the final computation, but if the field
+# or the mesh is displayed, it makes huge gap. To prevent this artefact, a more
+# convenient "undefined" value is set. This new undefinde value is given by the user.
+#
+# zUndefThreshold: the default value is -9000. It is tied with the value -9999. given
+# by the interpolation when no value is defined.
+#
+ zUndefThreshold = -9000.
+ if verbose:
+ print "zUndefThreshold: %f" % zUndefThreshold#
#
#print "bathy :\n", bathy
np_aux_z = (bathy < zUndefThreshold).nonzero()
# 7.1. Modification of the z coordinates
#
bathy_dd = mc.DataArrayDouble(np.asfarray(bathy, dtype='float'))
- coords3D = DataArrayDouble.Meld([coords, bathy_dd])
- #print "coords3D\n", coords3D
+ bathy_dd.setInfoOnComponents(["Z [m]"])
+#
+ coords3D = ml.DataArrayDouble.Meld([coords, bathy_dd])
+ coords3D.setInfoOnComponents(["X [m]", "Y [m]", "Z [m]"])
+ #print "coords3D =\n", coords3D
+#
meshMEDFileRead.setCoords(coords3D)
#
# 7.2. Writes the 3D mesh
#
# 7.3. Writes the field
#
+ med_field_name = "BOTTOM"
if verbose:
- print ".. Ecriture du champ BOTTOM"
- fieldOnNodes=ml.MEDCouplingFieldDouble(ml.ON_NODES, ml.ONE_TIME)
- fieldOnNodes.setName("BOTTOM")
+ print ".. Ecriture du champ '"+med_field_name+"'"
+ #print "bathy_dd =\n", bathy_dd
+ fieldOnNodes = ml.MEDCouplingFieldDouble(ml.ON_NODES)
+ fieldOnNodes.setName(med_field_name)
fieldOnNodes.setMesh(meshMEDFileRead.getMeshAtLevel(0))
fieldOnNodes.setArray(bathy_dd)
+# Ces valeurs d'instants sont mises pour assurer la lecture par TELEMAC
+# instant = 0.0
+# numero d'itération : 0
+# pas de numero d'ordre (-1)
+ fieldOnNodes.setTime(0.0, 0, -1)
#
fMEDFile_ch_d = ml.MEDFileField1TS()
fMEDFile_ch_d.setFieldNoProfileSBT(fieldOnNodes)
