def test_Fstdc_ezgetlalo_KnownValues2(self):
"""Fstdc_ezgetlalo corners should give known result with known input"""
(ni,nj) = self.la.shape
grtyp='L'
grref='L'
(ig1,ig2,ig3,ig4) = Fstdc.cxgaig(grtyp,-69.5,180.0,0.5,0.5)
hasAxes = 0
doCorners = 1
(i0,j0) = (0,0)
(la2,lo2,cla2,clo2) = Fstdc.ezgetlalo((ni,nj),grtyp,(grref,ig1,ig2,ig3,ig4),(None,None),hasAxes,(i0,j0),doCorners)
if numpy.any(self.la!=la2):
print("\nLAT Expected:\n",self.la)
print("LAT Got:\n",la2)
if numpy.any(self.lo!=lo2):
print("\nLON Expected:\n",self.lo)
print("LON Got:\n",lo2)
self.assertFalse(numpy.any(self.la!=la2))
self.assertFalse(numpy.any(self.lo!=lo2))
for ic in range(0,4):
if numpy.any(self.cla[ic,...]!=cla2[ic,...]):
print("\n",ic,'cla')
print("LAT Expected:\n",self.cla[ic,...])
print("LAT Got:\n",cla2[ic,...])
self.assertFalse(numpy.any(self.cla[ic,...]!=cla2[ic,...]))
if numpy.any(self.clo[ic,...]!=clo2[ic,...]):
print("\n",ic,'clo')
print("\nLON Expected:\n",self.clo[ic,...])
print("LON Got:\n",clo2[ic,...])
self.assertFalse(numpy.any(self.clo[ic,...]!=clo2[ic,...]))
def test_Fstdc_ezgetlalo_KnownValues2(self):
"""Fstdc_ezgetlalo corners should give known result with known input"""
(ni,nj) = self.la.shape
grtyp='L'
grref='L'
(ig1,ig2,ig3,ig4) = Fstdc.cxgaig(grtyp,-69.5,180.0,0.5,0.5)
hasAxes = 0
doCorners = 1
(i0,j0) = (0,0)
(la2,lo2,cla2,clo2) = Fstdc.ezgetlalo((ni,nj),grtyp,(grref,ig1,ig2,ig3,ig4),(None,None),hasAxes,(i0,j0),doCorners)
if numpy.any(self.la!=la2):
print "\nLAT Expected:\n",self.la
print "LAT Got:\n",la2
if numpy.any(self.lo!=lo2):
print "\nLON Expected:\n",self.lo
print "LON Got:\n",lo2
self.assertFalse(numpy.any(self.la!=la2))
self.assertFalse(numpy.any(self.lo!=lo2))
for ic in range(0,4):
if numpy.any(self.cla[ic,...]!=cla2[ic,...]):
print "\n",ic,'cla'
print "LAT Expected:\n",self.cla[ic,...]
print "LAT Got:\n",cla2[ic,...]
self.assertFalse(numpy.any(self.cla[ic,...]!=cla2[ic,...]))
if numpy.any(self.clo[ic,...]!=clo2[ic,...]):
print "\n",ic,'clo'
print "\nLON Expected:\n",self.clo[ic,...]
print "LON Got:\n",clo2[ic,...]
self.assertFalse(numpy.any(self.clo[ic,...]!=clo2[ic,...]))
def test_Fstdc_ezgetlalo_KnownValues2(self):
"""Fstdc_ezgetlalo corners should give known result with known input"""
(ni, nj) = self.la.shape
grtyp = "L"
grref = "L"
(ig1, ig2, ig3, ig4) = Fstdc.cxgaig(grtyp, -89.5, 180.0, 0.5, 0.5)
hasAxes = 0
doCorners = 1
(i0, j0) = (0, 0)
(la2, lo2, cla2, clo2) = Fstdc.ezgetlalo(
(ni, nj), grtyp, (grref, ig1, ig2, ig3, ig4), (None, None), hasAxes, (i0, j0), doCorners
)
if numpy.any(self.la != la2):
print self.la
print la2
if numpy.any(self.lo != lo2):
print self.lo
print lo2
self.assertFalse(numpy.any(self.la != la2))
self.assertFalse(numpy.any(self.lo != lo2))
for ic in range(0, 4):
if numpy.any(self.cla[ic, ...] != cla2[ic, ...]):
print ic, "cla"
print self.cla[ic, ...]
print cla2[ic, ...]
self.assertFalse(numpy.any(self.cla[ic, ...] != cla2[ic, ...]))
if numpy.any(self.clo[ic, ...] != clo2[ic, ...]):
print ic, "clo"
print self.clo[ic, ...]
print clo2[ic, ...]
self.assertFalse(numpy.any(self.clo[ic, ...] != clo2[ic, ...]))
def testSanity(self):
"""cigaxg(cxgaig(n))==n for all n"""
for name, proj, dims, xg, ig in self.knownValues:
xgout = Fstdc.cigaxg(proj, ig[0], ig[1], ig[2], ig[3])
igout = Fstdc.cxgaig(proj, xgout[0], xgout[1], xgout[2], xgout[3])
self.assertEqual(igout, ig,
name + igout.__repr__() + xgout.__repr__())
def cxgaig(grtyp, xg1, xg2=None, xg3=None, xg4=None):
"""Encode grid definition values into ig1-4 for the specified grid type
(ig1, ig2, ig3, ig4) = cxgaig(grtyp, xg1, xg2, xg3, xg4):
(ig1, ig2, ig3, ig4) = cxgaig(grtyp, (xg1, xg2, xg3, xg4)):
@param grtyp
@param xg1 xg1 value (float) or tuple of the form (xg1, xg2, xg3, xg4)
@param xg2 xg2 value (float)
@param xg3 xg3 value (float)
@param xg4 xg4 value (float)
@return Tuple of encoded grid desc values (ig1, ig2, ig3, ig4)
@exception TypeError if args are of wrong type
@exception ValueError if grtyp is not in ('A', 'B', 'E', 'G', 'L', 'N', 'S')
Example of use (and doctest tests):
>>> cxgaig('N', 200.5, 200.5, 40000.0, 21.0)
(2005, 2005, 2100, 400)
>>> cxgaig('N', 200.5, 220.5, 40000.0, 260.0)
(400, 1000, 29830, 57333)
>>> cxgaig('S', 200.5, 200.5, 40000.0, 21.0)
(2005, 2005, 2100, 400)
>>> cxgaig('L', -89.5, 180.0, 0.5, 0.5)
(50, 50, 50, 18000)
>>> ig1234 = (-89.5, 180.0, 0.5, 0.5)
>>> cxgaig('L', ig1234)
(50, 50, 50, 18000)
Example of bad use (and doctest tests):
>>> cxgaig('L', -89.5, 180 , 0.5, 0.5)
Traceback (most recent call last):
...
TypeError: cxgaig error: ig1, ig2, ig3, ig4 should be of type real:(-89.5, 180, 0.5, 0.5)
>>> cxgaig('I', -89.5, 180.0, 0.5, 0.5)
Traceback (most recent call last):
...
ValueError: cxgaig error: grtyp ['I'] must be one of ('A', 'B', 'E', 'G', 'L', 'N', 'S')
"""
validgrtyp = ('A', 'B', 'E', 'G', 'L', 'N', 'S') #I
if xg2 == xg3 == xg4 == None and isinstance(
xg1, (list, tuple)) and len(xg1) == 4:
(xg1, xg2, xg3, xg4) = xg1
if None in (grtyp, xg1, xg2, xg3, xg4):
raise TypeError(
'cxgaig error: missing argument, calling is cxgaig(grtyp, xg1, xg2, xg3, xg4)'
)
elif not grtyp in validgrtyp:
raise ValueError('cxgaig error: grtyp [' + repr(grtyp) +
'] must be one of ' + repr(validgrtyp))
elif not (type(xg1) == type(xg2) == type(xg3) == type(xg4) == type(0.)):
raise TypeError(
'cxgaig error: ig1, ig2, ig3, ig4 should be of type real:' +
repr((xg1, xg2, xg3, xg4)))
else:
return (Fstdc.cxgaig(grtyp, xg1, xg2, xg3, xg4))
def gridL(self,dlalo=0.5,nij=10):
"""provide grid and rec values for other tests"""
grtyp='L'
grref=grtyp
la0 = 0.-dlalo*(nij/2.)
lo0 = 180.-dlalo*(nij/2.)
ig14 = (ig1,ig2,ig3,ig4) = Fstdc.cxgaig(grtyp,la0,lo0,dlalo,dlalo)
axes = (None,None)
hasAxes = 0
ij0 = (1,1)
doCorners = 0
(la,lo) = Fstdc.ezgetlalo((nij,nij),grtyp,(grref,ig1,ig2,ig3,ig4),axes,hasAxes,ij0,doCorners)
return (grtyp,ig14,(nij,nij),la,lo)
def gridL(self,dlalo=0.5,nij=10):
"""provide grid and rec values for other tests"""
grtyp='L'
grref=grtyp
la0 = 0.-dlalo*(nij/2.)
lo0 = 180.-dlalo*(nij/2.)
ig14 = (ig1,ig2,ig3,ig4) = Fstdc.cxgaig(grtyp,la0,lo0,dlalo,dlalo)
axes = (None,None)
hasAxes = 0
ij0 = (1,1)
doCorners = 0
(la,lo) = Fstdc.ezgetlalo((nij,nij),grtyp,(grref,ig1,ig2,ig3,ig4),axes,hasAxes,ij0,doCorners)
return (grtyp,ig14,(nij,nij),la,lo)
def cxgaig(grtyp, xg1, xg2=None, xg3=None, xg4=None):
"""Encode grid definition values into ig1-4 for the specified grid type
(ig1, ig2, ig3, ig4) = cxgaig(grtyp, xg1, xg2, xg3, xg4):
(ig1, ig2, ig3, ig4) = cxgaig(grtyp, (xg1, xg2, xg3, xg4)):
@param grtyp
@param xg1 xg1 value (float) or tuple of the form (xg1, xg2, xg3, xg4)
@param xg2 xg2 value (float)
@param xg3 xg3 value (float)
@param xg4 xg4 value (float)
@return Tuple of encoded grid desc values (ig1, ig2, ig3, ig4)
@exception TypeError if args are of wrong type
@exception ValueError if grtyp is not in ('A', 'B', 'E', 'G', 'L', 'N', 'S')
Example of use (and doctest tests):
>>> cxgaig('N', 200.5, 200.5, 40000.0, 21.0)
(2005, 2005, 2100, 400)
>>> cxgaig('N', 200.5, 220.5, 40000.0, 260.0)
(400, 1000, 29830, 57333)
>>> cxgaig('S', 200.5, 200.5, 40000.0, 21.0)
(2005, 2005, 2100, 400)
>>> cxgaig('L', -89.5, 180.0, 0.5, 0.5)
(50, 50, 50, 18000)
>>> ig1234 = (-89.5, 180.0, 0.5, 0.5)
>>> cxgaig('L', ig1234)
(50, 50, 50, 18000)
Example of bad use (and doctest tests):
>>> cxgaig('L', -89.5, 180 , 0.5, 0.5)
Traceback (most recent call last):
...
TypeError: cxgaig error: ig1, ig2, ig3, ig4 should be of type real:(-89.5, 180, 0.5, 0.5)
>>> cxgaig('I', -89.5, 180.0, 0.5, 0.5)
Traceback (most recent call last):
...
ValueError: cxgaig error: grtyp ['I'] must be one of ('A', 'B', 'E', 'G', 'L', 'N', 'S')
"""
validgrtyp = ('A', 'B', 'E', 'G', 'L', 'N', 'S') #I
if xg2 == xg3 == xg4 == None and type(xg1) in (type([]), type(())) and len(xg1) == 4:
(xg1, xg2, xg3, xg4) = xg1
if None in (grtyp, xg1, xg2, xg3, xg4):
raise TypeError, 'cxgaig error: missing argument, calling is cxgaig(grtyp, xg1, xg2, xg3, xg4)'
elif not grtyp in validgrtyp:
raise ValueError, 'cxgaig error: grtyp ['+repr(grtyp)+'] must be one of '+repr(validgrtyp)
elif not (type(xg1) == type(xg2) == type(xg3) == type(xg4) == type(0.)):
raise TypeError, 'cxgaig error: ig1, ig2, ig3, ig4 should be of type real:'+repr((xg1, xg2, xg3, xg4))
else:
return(Fstdc.cxgaig(grtyp, xg1, xg2, xg3, xg4))
def test_Fstdc_ezgetlalo_KnownValues(self):
"""Fstdc_ezgetlalo should give known result with known input"""
(ni,nj) = self.la.shape
grtyp='L'
grref='L'
(ig1,ig2,ig3,ig4) = Fstdc.cxgaig(grtyp,-69.5,180.0,0.5,0.5)
hasAxes = 0
doCorners = 0
(i0,j0) = (0,0)
(la2,lo2) = Fstdc.ezgetlalo((ni,nj),grtyp,(grref,ig1,ig2,ig3,ig4),(None,None),hasAxes,(i0,j0),doCorners)
if numpy.any(self.la!=la2):
print "\nLAT Expected:\n",self.la
print "LAT Got:\n",la2
if numpy.any(self.lo!=lo2):
print "\nLON Expected:\n",self.lo
print "LON Got:\n",lo2
self.assertFalse(numpy.any(self.la!=la2))
self.assertFalse(numpy.any(self.lo!=lo2))
def test_Fstdc_ezgetlalo_Dieze_KnownValues(self):
"""Fstdc_ezgetlalo with #-grid should give known result with known input"""
(ni,nj) = self.la.shape
grtyp='#'
grref='L'
(ig1,ig2,ig3,ig4) = Fstdc.cxgaig(grref,0.,0.,1.,1.)
xaxis = self.lo[:,0].reshape((self.lo.shape[0],1)).copy('FORTRAN')
yaxis = self.la[0,:].reshape((1,self.la.shape[1])).copy('FORTRAN')
hasAxes = 1
doCorners = 0
(i0,j0) = (2,2)
(la2,lo2) = Fstdc.ezgetlalo((ni-1,nj-1),grtyp,(grref,ig1,ig2,ig3,ig4),(xaxis,yaxis),hasAxes,(i0,j0),doCorners)
if numpy.any(self.la[1:,1:]!=la2):
print "\nLAT Expected:\n",self.la[1:,1:]
print "LAT Got:\n",la2
if numpy.any(self.lo[1:,1:]!=lo2):
print "\nLON Expected:\n",self.lo[1:,1:]
print "LON Got:\n",lo2
self.assertFalse(numpy.any(self.la[1:,1:]!=la2))
self.assertFalse(numpy.any(self.lo[1:,1:]!=lo2))
def test_Fstdc_ezgetlalo_Dieze_KnownValues(self):
"""Fstdc_ezgetlalo with #-grid should give known result with known input"""
(ni,nj) = self.la.shape
grtyp='#'
grref='L'
(ig1,ig2,ig3,ig4) = Fstdc.cxgaig(grref,0.,0.,1.,1.)
xaxis = self.lo[:,0].reshape((self.lo.shape[0],1)).copy('FORTRAN')
yaxis = self.la[0,:].reshape((1,self.la.shape[1])).copy('FORTRAN')
hasAxes = 1
doCorners = 0
(i0,j0) = (2,2)
(la2,lo2) = Fstdc.ezgetlalo((ni-1,nj-1),grtyp,(grref,ig1,ig2,ig3,ig4),(xaxis,yaxis),hasAxes,(i0,j0),doCorners)
if numpy.any(self.la[1:,1:]!=la2):
print("\nLAT Expected:\n",self.la[1:,1:])
print("LAT Got:\n",la2)
if numpy.any(self.lo[1:,1:]!=lo2):
print("\nLON Expected:\n",self.lo[1:,1:])
print("LON Got:\n",lo2)
self.assertFalse(numpy.any(self.la[1:,1:]!=la2))
self.assertFalse(numpy.any(self.lo[1:,1:]!=lo2))
def test_Fstdc_ezgetlalo_KnownValues(self):
"""Fstdc_ezgetlalo should give known result with known input"""
(ni, nj) = self.la.shape
grtyp = 'L'
grref = 'L'
(ig1, ig2, ig3, ig4) = Fstdc.cxgaig(grtyp, -89.5, 180.0, 0.5, 0.5)
hasAxes = 0
doCorners = 0
(i0, j0) = (0, 0)
(la2, lo2) = Fstdc.ezgetlalo((ni, nj), grtyp,
(grref, ig1, ig2, ig3, ig4), (None, None),
hasAxes, (i0, j0), doCorners)
if numpy.any(self.la != la2):
print self.la
print la2
if numpy.any(self.lo != lo2):
print self.lo
print lo2
self.assertFalse(numpy.any(self.la != la2))
self.assertFalse(numpy.any(self.lo != lo2))
def test_Fstdc_ezgetlalo_Z_KnownValues(self):
"""Fstdc_ezgetlalo with Z grid should give known result with known input"""
(ni, nj) = self.la.shape
grtyp = 'Z'
grref = 'L'
(ig1, ig2, ig3, ig4) = Fstdc.cxgaig(grref, 0., 0., 1., 1.)
xaxis = self.lo[:, 0].reshape((self.lo.shape[0], 1)).copy('FORTRAN')
yaxis = self.la[0, :].reshape((1, self.la.shape[1])).copy('FORTRAN')
hasAxes = 1
doCorners = 0
(i0, j0) = (0, 0)
(la2, lo2) = Fstdc.ezgetlalo(
(ni, nj), grtyp, (grref, ig1, ig2, ig3, ig4), (xaxis, yaxis),
hasAxes, (i0, j0), doCorners)
if numpy.any(self.la != la2):
print self.la
print la2
if numpy.any(self.lo != lo2):
print self.lo
print lo2
self.assertFalse(numpy.any(self.la != la2))
self.assertFalse(numpy.any(self.lo != lo2))
def test_Fstdc_ezgetlalo_Dieze_KnownValues(self):
"""Fstdc_ezgetlalo with #-grid should give known result with known input"""
(ni, nj) = self.la.shape
grtyp = "#"
grref = "L"
(ig1, ig2, ig3, ig4) = Fstdc.cxgaig(grref, 0.0, 0.0, 1.0, 1.0)
xaxis = self.lo[:, 0].reshape((self.lo.shape[0], 1)).copy("FORTRAN")
yaxis = self.la[0, :].reshape((1, self.la.shape[1])).copy("FORTRAN")
hasAxes = 1
doCorners = 0
(i0, j0) = (2, 2)
(la2, lo2) = Fstdc.ezgetlalo(
(ni - 1, nj - 1), grtyp, (grref, ig1, ig2, ig3, ig4), (xaxis, yaxis), hasAxes, (i0, j0), doCorners
)
if numpy.any(self.la[1:, 1:] != la2):
print self.la[1:, 1:]
print la2
if numpy.any(self.lo[1:, 1:] != lo2):
print self.lo[1:, 1:]
print lo2
self.assertFalse(numpy.any(self.la[1:, 1:] != la2))
self.assertFalse(numpy.any(self.lo[1:, 1:] != lo2))
def testCxgaigKnownValues(self):
"""Cxgaig should give known result with known input"""
for name,proj,dims,xg,ig in self.knownValues:
igout = Fstdc.cxgaig(proj,xg[0],xg[1],xg[2],xg[3])
self.assertEqual(igout,ig,name+igout.__repr__())
def testSanity(self):
"""cigaxg(cxgaig(n))==n for all n"""
for name,proj,dims,xg,ig in self.knownValues:
xgout = Fstdc.cigaxg(proj,ig[0],ig[1],ig[2],ig[3])
igout = Fstdc.cxgaig(proj,xgout[0],xgout[1],xgout[2],xgout[3])
self.assertEqual(igout,ig,name+igout.__repr__()+xgout.__repr__())
def testCxgaigKnownValues(self):
"""Cxgaig should give known result with known input"""
for name,proj,dims,xg,ig in self.knownValues:
igout = Fstdc.cxgaig(proj,xg[0],xg[1],xg[2],xg[3])
self.assertEqual(igout,ig,name+igout.__repr__())
