def circle(self) :
self.BlocksToWrite = copy.deepcopy(self.Blocks)
self.Writer = fitsGBT.Writer(self.BlocksToWrite, 0)
self.Writer.write('temp.fits')
self.newReader = fitsGBT.Reader('temp.fits', 0)
self.newBlocks = self.newReader.read()
self.assertEqual(len(self.Blocks), len(self.newBlocks))
for ii in range(len(self.newBlocks)) :
OldDB = self.Blocks[ii]
NewDB = self.newBlocks[ii]
for jj in range(4) :
self.assertEqual(OldDB.dims[ii], NewDB.dims[ii])
self.assertTrue(ma.allclose(OldDB.data, NewDB.data))
for field, axis in fitsGBT.fields_and_axes.iteritems() :
self.assertEqual(axis, OldDB.field_axes[field])
self.assertEqual(axis, NewDB.field_axes[field])
for field in ['SCAN', 'OBJECT', 'TIMESTAMP',
'OBSERVER', 'CRPIX1', 'CDELT1'] :
self.assertEqual(OldDB.field[field], NewDB.field[field])
for field in ['CRVAL1', 'BANDWID', 'RESTFREQ', 'DURATION'] :
self.assertAlmostEqual(OldDB.field[field], NewDB.field[field])
for field in ['LST', 'ELEVATIO', 'AZIMUTH', 'RA', 'DEC',
'OBSFREQ', 'CRVAL2', 'CRVAL3', 'EXPOSURE'] :
self.assertTrue(sp.allclose(OldDB.field[field],
NewDB.field[field]))
for field in ['DATE-OBS'] :
self.assertTrue(sp.alltrue(sp.equal(OldDB.field[field],
NewDB.field[field])))
for field in ['CRVAL4', 'CAL'] :
self.assertTrue(all(OldDB.field[field] == NewDB.field[field]))
def numpyAssertEqual(self, a1, a2):
"""Test for equality of array fields a1 and a2."""
self.assertEqual(type(a1), type(a2))
self.assertEqual(a1.shape, a2.shape)
self.assertEqual(a1.dtype, a2.dtype)
self.assertTrue(alltrue(equal(a1.ravel(), a2.ravel())))
def get_usgs_n(self):
if self.get_usgsrc() == 0:
return
self.get_values(
) # Fetch usgsq,usgsh,handq,handh,handarea,handrad,handslope, handstage
# Find indices for integer stageheight values in usgsh, and apply to usgsq
usgsidx = scipy.where(scipy.equal(scipy.mod(
self.usgsh, 1), 0)) # Find indices of integer values in usgsh
usgsh = self.usgsh[usgsidx]
usgsq = self.usgsq[usgsidx]
# Find indices where usgsh[usgsidx] occur in handstage, and apply to handarea and handrad
handidx = scipy.where(scipy.in1d(self.handstage, usgsh))
area = self.handarea[handidx]
hydrad = self.handrad[handidx]
# Remove usgsq values for duplicate usgsh heights (keep first instance only)
if usgsh.shape != area.shape:
for i in range(usgsh.shape[0]):
if i == 0: pass
elif usgsh[i] == usgsh[i - 1]:
usgsq = scipy.delete(usgsq, i)
# Calculate average manning's n after converting discharge units
disch = usgsq #*0.0283168 # Convert cfs to cms
self.usgsroughness_array = self.mannings_n(area=area,
hydrad=hydrad,
slope=self.handslope,
disch=disch)
self.usgsroughness = scipy.average(self.usgsroughness_array)
print 'Average roughness: {0:.2f}'.format(self.usgsroughness)
def numpyAssertEqual(self, a1, a2):
"""Test for equality of array fields a1 and a2."""
self.assertEqual(type(a1), type(a2))
self.assertEqual(a1.shape, a2.shape)
self.assertEqual(a1.dtype, a2.dtype)
self.assertTrue(alltrue(equal(a1.ravel(), a2.ravel())))
def hardmax(self, Z):
""" Transform each row in array Z into another row with zeroes in the
non-maximum values and 1/nmax on the maximum values, where nmax is
the number of elements taking the maximum value
"""
D = sp.equal(Z, np.max(Z, axis=1, keepdims=True))
# In case more than one value is equal to the maximum, the output
# of hardmax is nonzero for all of them, but normalized
D = D / np.sum(D, axis=1, keepdims=True)
return D
def __test_eigenpairs(vals, vecs, matrix):
"""Test correct computation of eigenpairs
Parameters
----------
vals : vector of eigenvalues
vecs : eigenvector matrix, vecs[:,i] corresponding to eigenvalue vals[i]
matrix : matrix from where eigenpairs came from
Returns
-------
res : list of (bool, float)
truth value of eigenpair corectness along with error in computation
"""
res = []
for i in range(len(vals)):
A = matrix * vecs[:, i]
B = vals[i] * vecs[:, i]
res.append((any(sp.equal(A, B)), sp.sum(A - B)))
print('-----------laplacian test:')
print(res)
return res
def circle(self):
self.BlocksToWrite = copy.deepcopy(self.Blocks)
self.Writer = fitsGBT.Writer(self.BlocksToWrite, 0)
self.Writer.write('temp.fits')
self.newReader = fitsGBT.Reader('temp.fits', 0)
self.newBlocks = self.newReader.read()
self.assertEqual(len(self.Blocks), len(self.newBlocks))
for ii in range(len(self.newBlocks)):
OldDB = self.Blocks[ii]
NewDB = self.newBlocks[ii]
for jj in range(4):
self.assertEqual(OldDB.dims[ii], NewDB.dims[ii])
self.assertTrue(ma.allclose(OldDB.data, NewDB.data))
for field, axis in fitsGBT.fields_and_axes.iteritems():
self.assertEqual(axis, OldDB.field_axes[field])
self.assertEqual(axis, NewDB.field_axes[field])
for field in [
'SCAN', 'OBJECT', 'TIMESTAMP', 'OBSERVER', 'CRPIX1',
'CDELT1'
]:
self.assertEqual(OldDB.field[field], NewDB.field[field])
for field in ['CRVAL1', 'BANDWID', 'RESTFREQ', 'DURATION']:
self.assertAlmostEqual(OldDB.field[field], NewDB.field[field])
for field in [
'LST', 'ELEVATIO', 'AZIMUTH', 'RA', 'DEC', 'OBSFREQ',
'CRVAL2', 'CRVAL3', 'EXPOSURE'
]:
self.assertTrue(
sp.allclose(OldDB.field[field], NewDB.field[field]))
for field in ['DATE-OBS']:
self.assertTrue(
sp.alltrue(sp.equal(OldDB.field[field],
NewDB.field[field])))
for field in ['CRVAL4', 'CAL']:
self.assertTrue(all(OldDB.field[field] == NewDB.field[field]))
def get_in_common(self): # Find indices for integer stageheight values in usgsh, and apply to usgsq usgsidx = scipy.where(scipy.equal(scipy.mod(self.usgsh,1),0)) # Find indices of integer values in usgsh usgshint = self.usgsh[usgsidx] # Integers in usgsh usgsqint = self.usgsq[usgsidx] # Integers in usgsq # Find indices where usgshint[usgsidx] occur in handstage, and apply to handarea and handrad handidx = scipy.where(scipy.in1d(self.handstage,usgshint)) handareaint = self.handarea[handidx] handradint = self.handrad[handidx] # Remove usgsqint values for duplicate usgshint heights (keep first instance only) if usgshint.shape != handareaint.shape: for i in range(usgshint.shape[0]): if i == 0: pass elif usgshint[i] == usgshint[i-1]: usgsqint = scipy.delete(usgsqint,i) self.usgshint = usgshint self.usgsqint = usgsqint self.handareaint = handareaint self.handradint = handradint self.usgsidx = usgsidx self.handidx = handidx
def are_matrix_equal(m1, m2): return s.equal(m1, m2).all()
def minstates(v):
"return the indices of v that equal the minimum"
return scipy.nonzero(scipy.equal(v, min(v)))
