if o in ('-o', '--origin'):
a = a.split('/')
try:
origin = [float(a[0]),float(a[1])]
except:
print 'Error, cannot parse origin string'
usage()
sys.exit(1)
if o in ('-f', '--force'):
overwrite=1
if proj is None or origin is None:
usage()
sys.exit(1)
proj4 = PyCF.getCFProj(proj)
proj4.setOrigin(origin[0],origin[1])
proj.false_easting = proj4.params['x_0']
proj.false_northing = proj4.params['y_0']
cffile = Scientific.IO.NetCDF.NetCDFFile(inname,'r+')
if 'mapping' in cffile.variables.keys():
if overwrite==1:
varmap=cffile.variables['mapping']
else:
print 'netCDF file already got map projection info.'
sys.exit(0)
else:
varmap=cffile.createVariable('mapping','c',())
title = a
if o == '--institution':
institution = a
if o == '--source':
source = a
if o == '--references':
references = a
if o == '--comment':
comment = a
if proj is None or origin is None or delta is None or (num is None and upper is None):
usage()
sys.exit(1)
proj4 = PyCF.getCFProj(proj)
proj4.setOrigin(origin[0],origin[1])
proj.false_easting = proj4.params['x_0']
proj.false_northing = proj4.params['y_0']
if upper != None:
u = proj4.proj4(upper)
num = [int(u[0]/delta[0])+1,int(u[1]/delta[1])+1]
# projecting topography
proj_gmt='-J%s/1:1 -R%s -A -D%f/%f'%(
proj4.getGMTprojection(),
proj4.getGMTregion([0.,0.],[delta[0]*num[0],delta[1]*num[1]]),
delta[0],delta[1])
projfile = tempfile.NamedTemporaryFile(suffix='.bin')
PyGMT.command('grdproject','%s -G%s=1 %s'%(inname,projfile.name,proj_gmt))
default=25.,
type="float",
help="set grid spacing [km] (default = 25)")
(options, args) = parser.parse_args()
if len(args) != 1:
parser.error("no output file name given")
# ice sheet
print options.massbalance, options.flow_law_exponent, options.margin_radius
ism = exact_is.ModelAE(options.massbalance, options.flow_law_exponent,
options.margin_radius)
# creating output netCDF file
cffile = PyCF.CFcreatefile(args[0])
# global attributes
# history
cffile.history = '%s: %s' % (datetime.datetime.today(),
string.join(sys.argv))
num = int(1.1 * options.margin_radius / options.delta + 0.5)
num = 2 * (num - 1) + 1
# creating dimensions
cffile.createDimension('x0', num - 1)
cffile.createDimension('x1', num)
cffile.createDimension('y0', num - 1)
cffile.createDimension('y1', num)
cffile.createDimension('level', 1)
cffile.createDimension('time', None)
