class GCcreatefile(GCfile):
"""Creating a GC netCDF file."""
def __init__(self, fname, append=False):
"""Initialise.
fname: name of GC file.
append: set to true if file should be open rw"""
GCfile.__init__(self, fname)
self.mapvarname = 'mapping'
# get variable definitions
try:
vname = os.environ['GLIMMER_PREFIX']
except KeyError:
vname = os.path.expanduser(os.path.join('~', 'glimmer'))
vname = os.path.join(vname, 'share', 'glimmer')
if not os.path.exists(vname):
raise RuntimeError, 'Cannot find ncdf_vars.def\nPlease set GLIMMER_HOME to where glimmer is installed'
self.vars = GCVariableDef(glob.glob(vname + '/*.def'))
if append:
self.file = GCNetCDFFile(self.fname, 'a')
else:
self.file = GCNetCDFFile(self.fname, 'w')
self.file.Conventions = "GC-1.0"
def createDimension(self, name, length):
"""Create a dimension.
Creates a new dimension with the given name and length.
length must be a positive integer or None, which stands for
the unlimited dimension. Note that there can be only one
unlimited dimension in a file."""
self.file.createDimension(name, length)
def createVariable(self, name):
"""Create a GC variable.
name: name of variable."""
if name not in self.vars:
raise KeyError, 'Cannot find definition for variable %s' % name
v = self.vars[name]
var = self.file.createVariable(
name, 'f',
tuple(string.replace(v['dimensions'], ' ', '').split(',')))
for a in v:
if a not in NOATTRIB:
setattr(var, a, v[a])
if self.mapvarname != '' and 'x' in v['dimensions'] and 'y' in v[
'dimensions']:
var.grid_mapping = self.mapvarname
return var
class GCcreatefile(GCfile):
"""Creating a GC netCDF file."""
def __init__(self,fname,append=False):
"""Initialise.
fname: name of GC file.
append: set to true if file should be open rw"""
GCfile.__init__(self,fname)
self.mapvarname = 'mapping'
# get variable definitions
try:
vname=os.environ['GLIMMER_PREFIX']
except KeyError:
vname = os.path.expanduser(os.path.join('~','glimmer'))
vname = os.path.join(vname,'share','glimmer')
if not os.path.exists(vname):
raise RuntimeError, 'Cannot find ncdf_vars.def\nPlease set GLIMMER_HOME to where glimmer is installed'
self.vars = GCVariableDef(glob.glob(vname+'/*.def'))
if append:
self.file = GCNetCDFFile(self.fname,'a')
else:
self.file = GCNetCDFFile(self.fname,'w')
self.file.Conventions = "GC-1.0"
def createDimension(self,name, length):
"""Create a dimension.
Creates a new dimension with the given name and length.
length must be a positive integer or None, which stands for
the unlimited dimension. Note that there can be only one
unlimited dimension in a file."""
self.file.createDimension(name,length)
def createVariable(self,name):
"""Create a GC variable.
name: name of variable."""
if name not in self.vars:
raise KeyError, 'Cannot find definition for variable %s'%name
v = self.vars[name]
var = self.file.createVariable(name,'f',tuple(string.replace(v['dimensions'],' ','').split(',')))
for a in v:
if a not in NOATTRIB:
setattr(var,a,v[a])
if self.mapvarname != '' and 'x' in v['dimensions'] and 'y' in v['dimensions']:
var.grid_mapping = self.mapvarname
return var
class GCcreatefile(GCfile):
"""Creating a GC netCDF file."""
def __init__(self, fname, append=False):
"""Initialise.
fname: name of GC file.
append: set to true if file should be open rw"""
GCfile.__init__(self, fname)
self.mapvarname = "mapping"
# get variable definitions
try:
vname = os.environ["GLIMMER_PREFIX"]
except KeyError:
vname = os.path.expanduser(os.path.join("~", "glimmer"))
vname = os.path.join(vname, "share", "glimmer")
if not os.path.exists(vname):
raise RuntimeError, "Cannot find ncdf_vars.def\nPlease set GLIMMER_HOME to where glimmer is installed"
self.vars = GCVariableDef(glob.glob(vname + "/*.def"))
if append:
self.file = GCNetCDFFile(self.fname, "a")
else:
self.file = GCNetCDFFile(self.fname, "w")
self.file.Conventions = "GC-1.0"
def createDimension(self, name, length):
"""Create a dimension.
Creates a new dimension with the given name and length.
length must be a positive integer or None, which stands for
the unlimited dimension. Note that there can be only one
unlimited dimension in a file."""
self.file.createDimension(name, length)
def createVariable(self, name):
"""Create a GC variable.
name: name of variable."""
if name not in self.vars:
raise KeyError, "Cannot find definition for variable %s" % name
v = self.vars[name]
var = self.file.createVariable(name, "f", tuple(string.replace(v["dimensions"], " ", "").split(",")))
for a in v:
if a not in NOATTRIB:
setattr(var, a, v[a])
if self.mapvarname != "" and "x" in v["dimensions"] and "y" in v["dimensions"]:
var.grid_mapping = self.mapvarname
return var
def __init__(self, fname, append=False):
"""Initialise.
fname: name of GC file.
append: set to true if file should be open rw"""
GCfile.__init__(self, fname)
self.mapvarname = 'mapping'
# get variable definitions
try:
vname = os.environ['GLIMMER_PREFIX']
except KeyError:
vname = os.path.expanduser(os.path.join('~', 'glimmer'))
vname = os.path.join(vname, 'share', 'glimmer')
if not os.path.exists(vname):
raise RuntimeError, 'Cannot find ncdf_vars.def\nPlease set GLIMMER_HOME to where glimmer is installed'
self.vars = GCVariableDef(glob.glob(vname + '/*.def'))
if append:
self.file = GCNetCDFFile(self.fname, 'a')
else:
self.file = GCNetCDFFile(self.fname, 'w')
self.file.Conventions = "GC-1.0"
def __init__(self,fname,append=False):
"""Initialise.
fname: name of GC file.
append: set to true if file should be open rw"""
GCfile.__init__(self,fname)
self.mapvarname = 'mapping'
# get variable definitions
try:
vname=os.environ['GLIMMER_PREFIX']
except KeyError:
vname = os.path.expanduser(os.path.join('~','glimmer'))
vname = os.path.join(vname,'share','glimmer')
if not os.path.exists(vname):
raise RuntimeError, 'Cannot find ncdf_vars.def\nPlease set GLIMMER_HOME to where glimmer is installed'
self.vars = GCVariableDef(glob.glob(vname+'/*.def'))
if append:
self.file = GCNetCDFFile(self.fname,'a')
else:
self.file = GCNetCDFFile(self.fname,'w')
self.file.Conventions = "GC-1.0"
def __init__(self, fname, append=False):
"""Initialise.
fname: name of GC file.
append: set to true if file should be open rw"""
GCfile.__init__(self, fname)
self.mapvarname = "mapping"
# get variable definitions
try:
vname = os.environ["GLIMMER_PREFIX"]
except KeyError:
vname = os.path.expanduser(os.path.join("~", "glimmer"))
vname = os.path.join(vname, "share", "glimmer")
if not os.path.exists(vname):
raise RuntimeError, "Cannot find ncdf_vars.def\nPlease set GLIMMER_HOME to where glimmer is installed"
self.vars = GCVariableDef(glob.glob(vname + "/*.def"))
if append:
self.file = GCNetCDFFile(self.fname, "a")
else:
self.file = GCNetCDFFile(self.fname, "w")
self.file.Conventions = "GC-1.0"
def __init__(self, fname):
"""Initialise.
fname: name of CF file."""
GCfile.__init__(self, fname)
self.file = GCNetCDFFile(self.fname, 'r')
self.timescale = 0.001
# get mapping variable name
for var in self.file.variables.keys():
if hasattr(self.file.variables[var], 'grid_mapping_name'):
self.mapvarname = var
break
self.reset_bb()
# initialising variable dictionary
self.__vars = {}
# RSL residuals
self.__rslres = {}
