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Commit ad5e0ade authored by Anthony's avatar Anthony
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Changes in Hydrogrid for land points outside Hydrosheds (>60°S) + some clean up

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with 30 additions and 36 deletions
HydroGrid.py
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......@@ -6,6 +6,7 @@ from netCDF4 import Dataset
# Doc : https://spacetelescope.github.io/spherical_geometry/api/spherical_geometry.polygon.SphericalPolygon.html
from spherical_geometry import polygon
import RPPtools as RPP
import os
#
import configparser
config=configparser.ConfigParser()
......@@ -31,35 +32,27 @@ def getbox(ncdf, corners) :
#
def corners(lon, lat) :
jjm,iim = lon.shape
cornerspoly = []
cornersll = []
centersll=[]
radiusll = []
index = []
#
hdlon=np.mean(np.abs(np.diff(lon[0,:])))
hdlat=np.mean(np.abs(np.diff(lat[:,0])))
#
for i in range(iim) :
for j in range(jjm) :
#
boxll = RPP.boxit([lon[j,i], lat[j,i]], hdlon, hdlat, 2)
lons = [p[0] for p in boxll]
lats = [p[1] for p in boxll]
#
cornerspoly.append(polygon.SphericalPolygon.from_lonlat(lons, lats, center=[lon[j,i], lat[j,i]]))
#
centersll.append([lon[j,i], lat[j,i]])
radiusll.append(RPP.maxradius([lon[j,i], lat[j,i]], lons, lats))
#
index.append([j,i])
cornersll.append(boxll)
cornersll = [RPP.boxit([lon[j,i], lat[j,i]], hdlon, hdlat, 2) for i in range(iim) for j in range(jjm)]
Llons = [[p[0] for p in boxll] for boxll in cornersll]
Llats = [[p[1] for p in boxll] for boxll in cornersll]
index = [[j,i] for i in range(iim) for j in range(jjm)]
centersll = [[lon[j,i], lat[j,i]] for j,i in index]
cornerspoly = [ polygon.SphericalPolygon.from_lonlat(lons, lats, center=cent) for lons, lats, cent in zip(Llons, Llats, centersll)]
radiusll = [RPP.maxradius(cent, lons, lats) for cent, lons, lats in zip(centersll,Llons,Llats)]
#
return cornersll, cornerspoly, centersll, radiusll, index
#
def gather(x, index) :
def gather(x, index, default = 0) :
y=[]
for ia in index :
y.append(list(x[ia[0,i],ia[1,i]] for i in range(ia.shape[1]) ))
if (ia[:,0] == [-1, -1]).all():
y.append([default])
else:
y.append(list(x[ia[0,i],ia[1,i]] for i in range(ia.shape[1]) ))
return y
#
def getattrcontaining(nc, varname, substr) :
......@@ -71,7 +64,7 @@ def getattrcontaining(nc, varname, substr) :
return att
#
class HydroGrid :
def __init__(self, lolacorners) :
def __init__(self, lolacorners, wfile) :
#
self.source=config.get("OverAll", "HydroFile")
INFO("Opening in HydroGrid : "+self.source)
......@@ -83,31 +76,32 @@ class HydroGrid :
self.jjm,self.iim = self.lon.shape
DEBUG("# Range Lon :"+str(np.min(self.lon))+" -- "+str(np.max(self.lon)))
DEBUG("# Range Lat :"+str(np.min(self.lat))+" -- "+str(np.max(self.lat)))
self.polyll, self.polylist, self.centers, self.radius, self.index = corners(self.lon, self.lat)
#
if not os.path.exists(wfile):
self.polyll, self.polylist, self.centers, self.radius, self.index = corners(self.lon, self.lat)
def select(self, c, r) :
indices=[]
for i in range(len(self.centers)) :
if RPP.loladist(c,self.centers[i]) <= r+self.radius[i] :
indices.append(i)
indices = [i for i in range(len(self.centers)) if (RPP.loladist(c,self.centers[i]) <= r+self.radius[i])]
return indices
class HydroData :
def __init__(self, nf, box, index) :
istr, iend, jstr, jend = box[:]
self.trip=gather(nf.variables["trip"][jstr:jend,istr:iend].astype(np.float32), index)
self.trip=gather(nf.variables["trip"][jstr:jend,istr:iend].astype(np.float32), index, 97)
self.tripdesc=nf.variables["trip"].long_name
#
self.basins=gather(nf.variables["basins"][jstr:jend,istr:iend], index)
self.basins=gather(nf.variables["basins"][jstr:jend,istr:iend], index, 999)
self.basinsdesc=nf.variables["basins"].long_name
att = getattrcontaining(nf, "basins", "max")
if len(att) > 0 :
self.basinsmax=att[0]
else :
INFO("We need to scan full file to find maximum number of basins")
self.basinsmax=np.max(np.where(nf.variables["basins"][:,:] < 1.e10))
# This variable seems not to be used further
self.basinsmax = part.domainmax(np.ma.max(ma.masked_where(self.basins < 1.e10, self.basins)))
#
self.topoind=gather(nf.variables["topoind"][jstr:jend,istr:iend].astype(np.float32), index)
self.topoind=gather(nf.variables["topoind"][jstr:jend,istr:iend].astype(np.float32), index, 10)
self.topoinddesc=nf.variables["topoind"].long_name
att = getattrcontaining(nf, "topoind", "min")
if len(att) > 0 :
......@@ -117,7 +111,7 @@ class HydroData :
self.topoindmin=np.min(np.where(nf.variables["topoind"][:,:] < 1.e15))
#
#
self.topoindh=gather(nf.variables["topoind_h"][jstr:jend,istr:iend].astype(np.float32), index)
self.topoindh=gather(nf.variables["topoind_h"][jstr:jend,istr:iend].astype(np.float32), index, 10)
self.topoindhdesc=nf.variables["topoind_h"].long_name
att = getattrcontaining(nf, "topoind_h", "min")
if len(att) > 0 :
......@@ -126,20 +120,20 @@ class HydroData :
INFO("We need to scan full file to find minimum topoind_h over domain")
self.topoindhmin=np.min(np.where(nf.variables["topoind_h"][:,:] < 1.e15))
#
self.disto=gather(nf.variables["disto"][jstr:jend,istr:iend].astype(np.float32), index)
self.disto=gather(nf.variables["disto"][jstr:jend,istr:iend].astype(np.float32), index, 0)
self.distodesc=nf.variables["disto"].long_name
#
self.fac=gather(nf.variables["fac"][jstr:jend,istr:iend].astype(np.float32), index)
self.fac=gather(nf.variables["fac"][jstr:jend,istr:iend].astype(np.float32), index, 0)
self.facdesc=nf.variables["fac"].long_name
#
if "orog" in nf.variables.keys():
self.orog = gather(nf.variables["orog"][jstr:jend,istr:iend].astype(np.float32), index)
self.orog = gather(nf.variables["orog"][jstr:jend,istr:iend].astype(np.float32), index, 0)
self.orogdesc=nf.variables["orog"].long_name
else:
self.orog = gather(np.zeros((jend-jstr,iend-istr)).astype(np.float32), index)
#
if "floodplains" in nf.variables.keys():
self.floodplains = gather(nf.variables["floodplains"][jstr:jend,istr:iend].astype(np.float32), index)
self.floodplains = gather(nf.variables["floodplains"][jstr:jend,istr:iend].astype(np.float32), index, 0)
self.floodplainsdesc=nf.variables["floodplains"].long_name
else:
self.floodplains = gather(np.zeros((jend-jstr,iend-istr)).astype(np.float32), index)
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