def Count_Lines(filename, SILENT=False):
#----------------
# Open the file
#----------------
file_unit = open(filename, 'r')
#------------------
# Count the lines
#------------------
n_lines = int32(0)
n_total = int32(0)
line = ''
while logical_not(idl_func.eof(file_unit)):
line = idl_func.readf(file_unit, line)
n_total = (n_total + int32(1))
#---------------------------
# Count the nonblank lines
#---------------------------
_len = len(line.strip())
if (_len != 0):
n_lines = (n_lines + int32(1))
#-----------------
# Close the file
#-----------------
file_unit.close()
#--------------------
# Print a message ?
#--------------------
if not (SILENT):
print 'For the file: ' + filename
print 'Total number of lines = ' + TF_String(n_total)
print 'Number of nonblank lines = ' + TF_String(n_lines)
print ' '
return n_lines
def Count_Lines(filename, SILENT=False):
#----------------
# Open the file
#----------------
file_unit = open(filename, 'r')
#------------------
# Count the lines
#------------------
n_lines = int32(0)
n_total = int32(0)
line = ''
while logical_not(idl_func.eof(file_unit)):
line = idl_func.readf(file_unit, line)
n_total = (n_total + int32(1))
#---------------------------
# Count the nonblank lines
#---------------------------
_len = len(line.strip())
if (_len != 0):
n_lines = (n_lines + int32(1))
#-----------------
# Close the file
#-----------------
file_unit.close()
#--------------------
# Print a message ?
#--------------------
if not(SILENT):
print 'For the file: ' + filename
print 'Total number of lines = ' + TF_String(n_total)
print 'Number of nonblank lines = ' + TF_String(n_lines)
print ' '
return n_lines
def _ret():
def _ret():
_opt_rv = zip(_opt, [MY_KEY, key2, abc])
_rv = [_o[1] for _o in _opt_rv if _o[0] is not None]
if (len(_rv) == 1):
return _rv[0]
else:
return tuple(_rv)
# FORWARD_FUNCTION Func1, Func2
#------------------------------------------
# IF STATEMENT with AND, OR and NOT tests
#------------------------------------------
if not(logical_or(a, b)):
n = int16(0)
if (logical_or(a, b)):
n = int16(0)
if (logical_or(logical_or(a, b), c)):
n = int16(0)
if (logical_and((logical_or(a, b)), c)):
n = int16(0)
if (logical_and(logical_and(a, b), c)):
n = int16(0)
if (logical_and((logical_or(a, b)), not(c))):
n = int16(0)
if (logical_and((logical_or(a, b)), (logical_or(c, d)))):
n = int16(0)
if logical_or(a, b):
n = int16(0)
#------------------------
# Square bracket tests
#------------------------
a = my_func(int16([1, 2, 3, 4]))
a = int16([1, 2, 3, 4])
a = uint8([0, 1, 2, 3])
a = int16([0, 1, 2, 3])
a = int32([0, 1, 2, 3])
a = float64([0, 1, 2, 3])
a = int64([0, 1, 2])
a = float32([0.0, 1, 2.])
a = array(['x', 'y', 'z'])
a = array(["x", "y", "z"])
a = array(['x', "y"])
msg = array(['Error message.'])
#---------------------------
a = concatenate((a,[1]))
#---------------------------
a = concatenate(([0],a))
#---------------------------
a = concatenate(([1,2,3],[4]))
#---------------------------
a = concatenate(([0],[1,2,3]))
#---------------------------
a = concatenate(([1,2],[0],[3,4]))
#---------------------------
a = concatenate(([1,2,3],b))
#---------------------------
a = concatenate((b,[1,2,3]))
#---------------------------
a = array([int16([1, 2, 3]), int16([4, 5, 6])])
#---------------------------
a = int16([1, 2, 3])
b = int16([4, 5, 6])
c = concatenate((a, b))
#----------------------------------
a = array([array([int16([1, 2]), int16([3, 4])]), array([int16([5, 6]), int16([7, 8])])])
#-------------------
# Array subscripts
#-------------------
b = a(3)
b = a(1, 2)
b = a[4]
b = a[array([4])]
b = a[2,2]
b = a[:,2]
b = a[1:4,0:3]
b = a[w1[w2]]
#-----------------------
# SORT function tests
#----------------------------------------------
#Next line must use "array" vs. "concatenate"
#for converting the brackets, otherwise usage
#shown will not work in Python.
#----------------------------------------------
b = int16([5, 3, 1, 2, 8, 7, 0, 6])
s = argsort(ravel(b))
b2 = b[s]
#---------------------
# Cleaner increments
#---------------------
b12 += abc
b12 += abc
#----------------------------------
# Minimum/Maximum array operators
#----------------------------------
b = minimum(a, 5)
a = minimum(a, 5) #(Should we do in-place with 3rd arg to minimum() ?)
a = maximum(a, 5)
#-------------------------
# Boolean keyword tests
#------------------------------------------------
# Note also how unset keywords are initialized
# to KEY=None in "Test_Procedure" at the top.
#------------------------------------------------
a = my_function(key1=uint8(0), key2=0) #(unset keywords)
a = my_function(key3=uint8(1), key4=1, key5=True) #(set keywords)
a = my_function(key1=key1)
a = my_function(key1=some_function(b))
#------------------------------
# KEYWORD_SET function tests
#------------------------------
KEY1 = (KEY1 not in [0,None])
if ((KEY1 not in [0,None])):
print 'Key is set.'
if (KEY1 in [0,None]):
KEY1 = int16(0)
if (MY_KEY in [0,None]):
MY_KEY = int16(0)
if not(a):
b = int16(0) # (should be "not" vs. "logical_not")
#------------------
# Special tests
#------------------
a = int16([1, 2, 3]).max()
i = arange(5, dtype='Int16')
#-----------------------------
# Some IDL system variables
#-----------------------------
p = sys.path
d = idl_func.device_name()
os = platform.system()
osf = ('Windows' if (platform.system()=='Windows') else 'UNIX')
#-------------------------
# NaN and Infinity tests
#-------------------------
f_nan = float32(numpy.NaN)
f_inf = float32(numpy.Infinity)
d_nan = float64(numpy.NaN)
d_inf = float64(numpy.Infinity)
#------------------------
print isfinite(a)
print isnan(a)
print isinf(a)
print isinf(a)
print isinf(a)
#----------------------------
# PATH_SEP function tests
#----------------------------
sep = os.sep
#-----------------------------------------------
# PRINT procedure tests (with FORMAT keyword)
#-----------------------------------------------
print float32(3.14159), 'hello', 456
I2PY_out_str = idl_func.string(float32(3.14159), 'hello', 456, format='(F6.3, A7, 4X, I3)')
print I2PY_out_str
I2PY_out_str = idl_func.string(float32(3.14159), float32(2.718), float32(1.000), 'hello', format='(3F6.3, A7)')
print I2PY_out_str
print 'my_string'
print 'this ' + 'that'
print 'this' + 'that'
#-------------------------------------------------------
# Equals sign inside of quotes vs. keyword assignment
#-------------------------------------------------------
print 'path separator = ' + os.sep
print "path separator = " + os.sep
#-------------------------
# STRING function tests
#-------------------------
s = str(number)
s = idl_func.string(number, format=format) #;;;;;;;;;;;
s = idl_func.string(float32(3.14159), 'hello', 456)
s = idl_func.string(float32(3.14159), 'hello', 456, format='(F6.3, A7, 4X, I3)')
#---------------------------------------
# Special behavior (not supported yet)
#---------------------------------------
s = idl_func.string() #(should be a string array)
s = str(uint8([72, 101, 108, 108, 111])) #(should be "Hello")
#-----------------------------------
# Scalar constant assignment tests
#-----------------------------------
a = int16(1) #In assignments, wrap ints with "int16()"
a = int32(1)
a = float32(1.0)
a = float64(1)
a = int64(1)
a = uint64(1)
a = uint32(1)
a = uint8(1)
#------------------
# Structure tests
#------------------
v = idl_func.bunch(a=int32(0), b=uint8(0), c=float32(0.0), d=zeros([5], dtype='Int16'), e='this') #(anonymous)
V = idl_func.bunch(a=int32(0), b=uint8(0), c='this') #(named)
print v.__dict__.values()[0] #(tag numbers or field indices)
print v.__dict__.values()[1]
#(Note: Use "repeat" to "replicate" an IDL structure.)
#-------------------------
# READF procedure tests
#-------------------------
a, b = idl_func.readf(file_1, a, b)
a, b = idl_func.readf(file_unit, a, b)
a, b = idl_func.readf(file_unit, a, b, format=('F8.3, I3'))
#---------------------------------
# "if (N_ELEMENTS(g) eq 0)" TEST
#---------------------------------
if (idl_func.n_elements(g) == 0):
g = int16(1)
if (idl_func.n_elements(a_b) == 0):
a_b = int16(1)
if (idl_func.n_elements(a + b) == 0):
c = int16(1)
if (idl_func.n_elements(g) == 1):
g = int16(2)
#------------------------------------------
# OPENR procedure tests (and SWAP_ENDIAN)
#------------------------------------------
file_unit = open('my_file.bin', 'rb')
I2PY_SWAP_ENDIAN = True
file_unit = open('my_file.bin', 'rb')
I2PY_SWAP_ENDIAN = True
file_unit = open('my_file.bin', 'rb')
I2PY_SWAP_ENDIAN = Not_Same_Byte_Order(byte_order)
file_unit = open('my_file.txt', 'r')
I2PY_SWAP_ENDIAN = False
#------------------------------------------
# OPENU procedure tests (and SWAP_ENDIAN)
#------------------------------------------
file_unit = open('my_file.bin', 'rb+')
I2PY_SWAP_ENDIAN = True
file_unit = open('my_file.bin', 'rb+')
I2PY_SWAP_ENDIAN = True
file_unit = open('my_file.bin', 'rb+')
I2PY_SWAP_ENDIAN = Not_Same_Byte_Order(byte_order)
file_unit = open('my_file.txt', 'r+')
I2PY_SWAP_ENDIAN = False
#------------------------------------------
# OPENW procedure tests (and SWAP_ENDIAN)
#------------------------------------------
file_unit = open('my_file.bin', 'wb')
I2PY_SWAP_ENDIAN = True
file_unit = open('my_file.bin', 'wb')
I2PY_SWAP_ENDIAN = True
file_unit = open('my_file.bin', 'wb')
I2PY_SWAP_ENDIAN = Not_Same_Byte_Order(byte_order)
file_unit = open('my_file.txt', 'w')
I2PY_SWAP_ENDIAN = False
#-----------------------------
# MAKE_ARRAY function tests
#-----------------------------
a = reshape(arange(2*3, dtype='Float64'), [3, 2])
a = zeros([10], dtype='UInt8')
a = empty([10], dtype='Int16')
#----------------------------------
# DIALOG_PICKFILE function tests
#----------------------------------
sav_file = []
app = wx.PySimpleApp()
I2PY_dialog = wx.FileDialog(parent=None, defaultDir=os.getcwd(), defaultFile='myfile.sav', style=wx.SAVE, wildcard='(*.sav)|*.sav')
if (I2PY_dialog.ShowModal() == wx.ID_OK):
sav_file.append(I2PY_dialog.GetPath())
I2PY_dialog.Destroy()
#-------------------------
# CASE statement tests
#-------------------------
I2PY_expr = a + b #(an expression)
if (I2PY_expr == 0):
value = int16(0)
elif (I2PY_expr == 1):
value = int16(1)
else:
value = int16(2)
#--------------------------
if (TYPE == 'THIS'):
value = int16(0)
elif (TYPE == 'THAT'):
value = int16(1)
else:
value = int16(2)
#--------------------------
if (result == 0):
value = int16(0)
elif (result == 1):
value = int16(1)
else:
value = int16(2)
#---------------------------
# PTR_NEW function tests
#---------------------------
a = float64(1)
a = b
a = int32(0)
#----------------------------
# GET_LUN procedure tests
#----------------------------
# Note: Removed unneeded GET_LUN call from here.
# Note: Removed unneeded GET_LUN call from here.
#--------------------------
# Special variable tests
#--------------------------
start = time.time()
dpi = numpy.pi
fpi = nympy.pi
_in = int16(20)
_in = int16(20)
_pow = int16(30)
TYPE = 'DOUBLE'
TYPE = 'FLOAT'
print str(TYPE)
print str(1)
#-----------------------
# BYTE function tests
#--------------------------------
# Python has ord() and chr().
#--------------------------------
b = idl_func.byte(257) # should be 1
b = idl_func.byte('a') # should be 97
b = idl_func.byte('abc') # should be [97, 98, 99]
#-------------------------------------
# BYTE function test (special case)
#-------------------------------------
big_endian = (sys.byteorder == 'big')
#-------------------------------
# ONLINE_HELP procedure tests
#-------------------------------
filepath = '/Applications/TopoFlow/help/about_TF.htm'
result = webbrowser.open('file://' + filepath)
result = webbrowser.open('file://' + filepath)
result = webbrowser.open('file://' + 'some_help_file.htm')
# online_help, /quit ;(not supported yet)
#---------------------
# For loop tests
#--------------------
for k in xrange(n, -1, -1):
print k
#-------------------------------
for k in xrange(n):
print k
#-------------------------------
for k in xrange(n):
print k
#-------------------------------
for k in xrange(int32(0), n):
print k
#----------------
# Pointer tests
#----------------
w = where(T_air != T_surf)
nw = size(w[0])
#------------------------------------------------
(var)[i[j]:(i[j + 1] - 1)+1] = v_by_layer[j]
n = idl_func.n_elements(v[k])
A = v[k]
v2 = vol + dt * ((R * da) - Q)
#------------------------------------------------
a = (T_air * 5) + T_surf
b = (c * d)
B = (C * d)
b = (c * d)
b = (1 * d)
b = (d + c)
b = (1 + 5)
b = (5 * 1)
#-----------------------
# SIZE function tests
#-----------------------
s = idl_func.size(A, dimensions=True)
s = idl_func.size(a, n_elements=True)
s = idl_func.size(a, n_dimensions=True)
s = idl_func.size(a, TYPE=True)
#----------------------------------------------
s = idl_func.size(a)
#---------------------------------
# LOGICAL OR, AND and NOT tests
#---------------------------------
print logical_or(0, 1)
print logical_and(0, 1)
DONE = uint8(0)
if not(DONE):
print 'Not done.'
a = int16([0, 1, 0])
b = int16([1, 1, 0])
print (logical_or(a, b))
print (logical_and(a, b))
print (logical_and(a, logical_not(b)))
print (logical_or(a, logical_not(b)))
print logical_not(a) #([-1,-2,-1]; caution)
if (0):
print 'Hello'
if (1):
print 'Hello'
print (3 < 5) #(= 1 in IDL, = True in Python)
print (3 > 5) #(= 0 in IDL, = False in Python)
#-------------------------
# PTRARR function tests
#-------------------------
#p = ptrarr(2,2)
#-------------------------
# STRARR function tests
#-------------------------
s = zeros([2, 2], dtype='|S100')
s = zeros([5], dtype='|S100')
s.fill('this') #*** Use s.fill()
#-----------------------
# TV procedure tests
#-----------------------
matplotlib.pyplot.imshow(image, origin='upper')
matplotlib.pyplot.show()
#--------------------------
# CONTOUR procedure tests
#--------------------------
matplotlib.pyplot.contour(z, 10)
matplotlib.pyplot.show()
matplotlib.pyplot.contour(z, float32([100.0, 200.0, 300.0]))
matplotlib.pyplot.show()
matplotlib.pyplot.contour(z, my_levels)
matplotlib.pyplot.show()
matplotlib.pyplot.contourf(x, y, z)
matplotlib.pyplot.show()
matplotlib.pyplot.contour(x, y, z, 20)
matplotlib.pyplot.axis('equal')
matplotlib.pyplot.show()
#--------------------------
# SURFACE procedure tests
#--------------------------
fig = matplotlib.pylab.figure()
ax = matplotlib.axes3d.Axes3DI(fig)
(nx, ny) = numpy.shape(z)
xv = numpy.linspace(0,nx-1,nx)
yv = numpy.linspace(0,ny-1,ny)
(xgrid, ygrid) = numpy.meshgrid(xv, yv)
ax.plot_wireframe(xgrid, ygrid, z)
matplotlib.pylab.show()
#-----------------------------------------
fig = matplotlib.pylab.figure()
ax = matplotlib.axes3d.Axes3DI(fig)
ax.plot_wireframe(x, y, z)
matplotlib.pyplot.xlabel('X')
matplotlib.pyplot.ylabel('Y')
matplotlib.pylab.show()
#------------------------------
# SHADE_SURF procedure tests
#------------------------------
fig = matplotlib.pylab.figure()
ax = matplotlib.axes3d.Axes3DI(fig)
(nx, ny) = numpy.shape(z)
xv = numpy.linspace(0,nx-1,nx)
yv = numpy.linspace(0,ny-1,ny)
(xgrid, ygrid) = numpy.meshgrid(xv, yv)
ax.plot_surface(xgrid, ygrid, z)
matplotlib.pylab.show()
#--------------------------------------------
fig = matplotlib.pylab.figure()
ax = matplotlib.axes3d.Axes3DI(fig)
ax.plot_surface(x, y, z)
matplotlib.pyplot.xlabel('X')
matplotlib.pyplot.ylabel('Y')
matplotlib.pylab.show()
#--------------------------
# PRINTF procedure tests
#--------------------------
file_unit.write(a, 1, 2 + "\n")
I2PY_out_str = idl_func.string(a, 1, format='(F8.3, I3)')
file_unit.write(I2PY_out_str + "\n")
#--------------------------
# Line continuation tests
#--------------------------
if (THIS):
do_this = int16(1)
else:
do_that = int16(1)
#--------------------------
f = my_function(a, b, c, d, e)
#-----------------------------
# FILE_CHMOD function tests
#-----------------------------
os.chmod('my_file',755)
#-------------------------
# SPAWN procedure tests
#-------------------------
os.system('notepad')
#---------------------
# CD function tests
#---------------------
os.chdir(newdir)
os.chdir(newdir)
olddir = os.getcwd()
curdir = os.getcwd()
#--------------------------
# XYOUTS procedure tests
#--------------------------
matplotlib.pyplot.text(float32(1.5), float32(2.0), 'Hello')
matplotlib.pyplot.text(float32(1.5), float32(2.0), 'Hello', color='r')
matplotlib.pyplot.text(float32(0.4), float32(0.6), 'Hello', transform=ax.transAxes)
#xyouts, 'Hello' ;(unsupported case)
#------------------------------
# PLOT_FIELD procedure tests
#------------------------------
matplotlib.pyplot.quiver(u, v, scale=float32(0.1))
matplotlib.pyplot.title('Arrows!')
#------------------------
# PLOT procedure tests
#------------------------
matplotlib.pyplot.plot(y)
matplotlib.pyplot.show()
#-------------------------------------------------
matplotlib.pyplot.plot(x, y)
matplotlib.pyplot.axes(axisbg='w')
matplotlib.pyplot.axes((0, 0, 1, 1))
matplotlib.pyplot.show()
#-------------------------------------------------
matplotlib.pyplot.plot(x, y)
matplotlib.pyplot.title('Long. Profile Plot')
matplotlib.pyplot.xlabel('Distance [km]')
matplotlib.pyplot.ylabel('Elevation [m]')
matplotlib.pyplot.show()
#-------------------------------------------------
matplotlib.pyplot.plot(x, y)
matplotlib.pyplot.axis('equal')
matplotlib.pyplot.show()
#-------------------------------------------------
matplotlib.pyplot.plot(x, y, marker='+', markersize=float32(2.0))
matplotlib.pyplot.show()
#-------------------------------------------------
matplotlib.pyplot.plot(x, y, marker='d', linestyle='None', markersize=float32(2.0))
matplotlib.pyplot.show()
#-------------------------------------------------
matplotlib.pyplot.plot(x, y, marker='None', linestyle='None', markersize=float32(0.5))
matplotlib.pyplot.show()
#-------------------------------------------------
matplotlib.pyplot.polar(theta, r)
matplotlib.pyplot.show()
matplotlib.pyplot.loglog(x, y)
matplotlib.pyplot.show()
matplotlib.pyplot.semilogx(x, y)
matplotlib.pyplot.show()
matplotlib.pyplot.semilogy(x, y)
matplotlib.pyplot.show()
matplotlib.pyplot.semilogy(y, linewidth=2)
matplotlib.pyplot.show()
matplotlib.pyplot.plot(x, y, color='b', linestyle='-.')
matplotlib.pyplot.show()
#-------------------------------------------------
matplotlib.pyplot.plot(x, y)
matplotlib.pyplot.xticks(numpy.linspace(x.min(), x.max(), 5))
matplotlib.pyplot.yticks(numpy.linspace(y.min(), y.max(), 10))
matplotlib.pyplot.show()
#-------------------------------------------------
matplotlib.pyplot.plot(float32[1.1, 2, 3], float32[1.1, 2, 3])
matplotlib.pyplot.axis('image')
matplotlib.pyplot.show()
#-------------------------------------------------
matplotlib.pyplot.plot(float32[1.1, 2, 3], float32[1.1, 2, 3])
matplotlib.pyplot.axis('image')
matplotlib.pyplot.axis('off')
matplotlib.pyplot.show()
#-------------------------
# WINDOW function tests
#-------------------------
matplotlib.pyplot.figure(1, figsize=(8, 6), dpi=80)
matplotlib.pyplot.show()
matplotlib.pyplot.figure(2, figsize=(500/80.0, 6), dpi=80)
matplotlib.pyplot.show()
matplotlib.pyplot.figure(2, figsize=(500/80.0, 300/80.0), dpi=80)
matplotlib.pyplot.show()
matplotlib.pyplot.figure(2, figsize=(nx/80.0, ny/80.0), dpi=80)
matplotlib.pyplot.show()
matplotlib.pyplot.figure(2, figsize=(8, 6), dpi=80)
matplotlib.pyplot.show()
matplotlib.pyplot.figure(2, figsize=(8, 6), dpi=80)
matplotlib.pyplot.show()
#--------------------------
# WDELETE function tests
#--------------------------
matplotlib.pyplot.close(1)
matplotlib.pyplot.close(2)
matplotlib.pyplot.close(3)
matplotlib.pyplot.close(4)
matplotlib.pyplot.close(n+1)
#-----------------------
# WSET function tests
#-----------------------
matplotlib.pyplot.figure(1)
matplotlib.pyplot.figure(2)
matplotlib.pyplot.figure(n+1)
#-------------------------
# BYTSCL function tests
#-------------------------
b = ((255 + 1) * (a - a.min()) - 1) / (a.max() - a.min())
b = ((top + 1) * (a - amin) - 1) / (amax - amin)
#--------------------------
# RANDOMN function tests
#--------------------------
if ('seed1' in locals()): numpy.random.seed(seed1)
a = random.normal(loc=0.0, scale=1.0, size=None)
if ('seed1' in locals()): numpy.random.seed(seed1)
a = random.normal(loc=0.0, scale=1.0, size=(10))
if ('seed1' in locals()): numpy.random.seed(seed1)
a = random.normal(loc=0.0, scale=1.0, size=(4, 3))
if ('seed1' in locals()): numpy.random.seed(seed1)
a = random.binomial(5, 0.3, size=(4, 3))
if ('seed1' in locals()): numpy.random.seed(seed1)
a = random.gamma(scale=float32(2.0), size=(4, 3))
if ('seed1' in locals()): numpy.random.seed(seed1)
a = random.normal(loc=0.0, scale=1.0, size=(4, 3))
if ('seed1' in locals()): numpy.random.seed(seed1)
a = random.poisson(lam=float32(2.3), size=(4, 3))
if ('seed1' in locals()): numpy.random.seed(seed1)
a = random.uniform(low=0.0, high=1.0, size=(4, 3))
#-----------------------------------------------
if ('seed1' in locals()): numpy.random.seed(seed1)
a = -5 + (random.uniform(low=0.0, high=1.0, size=(4, 3)) * 10)
#--------------------------
# RANDOMU function tests
#--------------------------
#similar
#--------------------------
# REFORM function tests
#--------------------------
# NumPy also has SQUEEZE
#--------------------------
a = arange(24, dtype='Int16')
b = reshape(a, [4, 6]) #(note reverse indices)
c = reshape(b, [24])
#-----------------------
a = arange(24 * 3, dtype='Int16')
b = reshape(a, [3, 4, 6])
#-------------------------------------
# ROTATE and REVERSE function tests
#-------------------------------------
a = reshape(arange(3*4, dtype='Int16'), [4, 3])
b = transpose(a)
#-----------------
b = a
b = rot90(a, -1)
b = rot90(a, -2) ## Use FLIPUD to reverse 1D arrays
b = rot90(a, -3)
b = transpose(a) #(same as transpose)
b = fliplr(a) #(flip x-axis)
b = transpose(rot90(a, 2))
b = flipud(a) #(flip y-axis)
#----------------
a = arange(4, dtype='Int16')
b = flipud(a)
#--------------------------
# EXECUTE function tests
#--------------------------
a = 1 # (EXEC has no return value)
exec("print, 'Hello'")
a = 1 # (EXEC has no return value)
exec("print, 'Hello' ; a=1 ; print, 'a =', a") #(multiple statements)
#------------------------
# SHIFT function tests
#------------------------
a = arange(5, dtype='Int16') #[0,1,2,3,4]
b = numpy.roll(a, 1, axis=0) #[4,0,1,2,3]
b = numpy.roll(a, -1, axis=0) #[1,2,3,4,0]
#--------------------------------------
# Note that array axes are reversed
#--------------------------------------
a = reshape(arange(3*4, dtype='Int16'), [4, 3])
b = numpy.roll(a, 1, axis=1)
b = numpy.roll(a, -1, axis=1)
c = numpy.roll(a, 1, axis=0)
c = numpy.roll(a, -1, axis=0)
c = numpy.roll(numpy.roll(a, -1, axis=0), 1, axis=1)
#--------------------------------------
# These 3D cases need more testing
#--------------------------------------
a = reshape(arange(3*4*5, dtype='Int16'), [5, 4, 3])
c = numpy.roll(a, 1, axis=2)
c = numpy.roll(a, 1, axis=1)
c = numpy.roll(a, 1, axis=0)
c = numpy.roll(numpy.roll(numpy.roll(a, 3, axis=0), 2, axis=1), 1, axis=2) #(this case works)
#---------------------------
# REPLICATE function tests
#---------------------------
a = repeat('-',10)
a = repeat(5,10)
a = repeat(structure,10)
#-----------------------
# Array indexing tests
#-----------------------
print a[0:6] #(note upper limit is adjusted)
print a[0,:] #(note reversed indices)
#----------------------
# IF statement tests
#----------------------
if a < 5:
print 'a is smaller than 5'
if (a < 5):
print 'a is smaller than 5'
else:
print 'a is GE 5'
#-----------------------
# TOTAL function tests
#-----------------------
a = sum(b)
a = sum(double(b))
a = cumsum(b)
a = cumsum(b)
a = cumsum(double(b))
a = cumsum(double(b))
a = nansum(double(b))
a = nansum(b)
a = cumsum(nan_to_num(b)) #(there is no "nancumsum")
#---------------------------
# Deliberate casting tests
#---------------------------
a = uint8(0)
a = int32(0)
a = float64(0)
a = float32(0.0)
a = int64(0)
a = uint16(0)
a = uint64(0)
a = 0x15
#----------------------------
# POINT_LUN procedure tests
#----------------------------
file_unit.seek((nx * 5)) #(set position)
pos = file_2.tell() #(return position)
pos = file_unit.tell() #(return position)
#------------------------
# FSTAT function tests
#------------------------
file_unit1 = open('my_filename.txt', 'r')
I2PY_SWAP_ENDIAN = False
temp = idl_func.fstat(file_unit1)
filesize = temp.size
file_unit1.close()
#----------------
# File I/O tests
#----------------
file_unit = open('my_filename.txt', 'rb')
I2PY_SWAP_ENDIAN = True
a = zeros([5, 5], dtype='Int16')
I2PY_shape = a.shape
I2PY_dtype = str(a.dtype)
a = fromfile(file_unit, count=size(a), dtype=I2PY_dtype)
a = reshape(a, I2PY_shape)
if (I2PY_SWAP_ENDIAN):
array(a, copy=0).byteswap(True)
#---------------------------------------
# CLOSE and FREE_LUN procedure tests
#---------------------------------------
file_3.close()
file_unit.close()
file_unit1.close()
file_unit2.close()
#------------------------
file_3.close()
file_unit.close()
file_unit1.close()
file_unit2.close()
file_unit3.close()
#--------------------------------
# FILE_DELETE procedure tests
#--------------------------------
idl_func.file_delete('dirname/my_filename.txt')
a = '/dir1/dir2/my_file.txt'
idl_func.file_delete(a)
idl_func.file_delete(a, b, c)
#-----------------------------
# FILE_TEST function tests
#-----------------------------
exists = os.path.exists('dirname/my_filename.txt')
#---------------------
# EOF function tests
#---------------------
while not(idl_func.eof(file_unit)):
I2PY_shape = a.shape
I2PY_dtype = str(a.dtype)
a = fromfile(file_unit, count=size(a), dtype=I2PY_dtype)
a = reshape(a, I2PY_shape)
if (I2PY_SWAP_ENDIAN):
array(a, copy=0).byteswap(True)
#-------------------------
# Type conversion tests
#-------------------------
a = arange(5, dtype='Int16')
a = float32(a)
g = idl_func.byte(257) #should be 1. ( Python has ord() and chr(). )
g = int16(float32(1.5)) #should be 1
g = float32(1) #should be 1.0
#-------------------------------
# Array initialization tests
#-------------------------------
B_arr = zeros([5], dtype='UInt8')
I_arr = zeros([5, 3], dtype='Int16') #(note reversed indices)
L_arr = zeros([5], dtype='Int32')
F_arr = zeros([5], dtype='Float32')
D_arr = zeros([5], dtype='Float64')
#-----------------------------
B_arr = empty([5], dtype='UInt8')
I_arr = empty([5, 3], dtype='Int16')
L_arr = empty([5], dtype='Int32')
F_arr = empty([5], dtype='Float32')
D_arr = empty([5], dtype='Float32')
#----------------------
# Array "ramp" tests
#----------------------
a = arange(5, dtype='Float32')
a = reshape(arange(3*5, dtype='Float32'), [5, 3])
a = reshape(arange(3*5*8, dtype='Float32'), [8, 5, 3])
a = arange(5, dtype='UInt8')
a = arange(5, dtype='Int16')
a = arange(5, dtype='Int32')
a = arange(5, dtype='Float64')
#------------------------------
# MIN and MAX function tests
#------------------------------
amin = a.min()
#------------------------
amin = a.min()
amin_sub = a.argmin()
#------------------------
amin = a.min()
amin_sub = a.argmin()
amax = a.max()
#------------------------
amin = a.min()
amin_sub = a.argmin()
amax = a.max()
amax_sub = a.argmax()
#------------------------
amin = a.min()
amin_sub = a.argmin()
amax = a.max()
amax_sub = a.argmax()
#------------------------
amax = a.max()
#------------------------
amax = a.max()
amax_sub = a.argmax()
amin = a.min()
amin_sub = a.argmin()
#------------------------
amax = a.max()
amax_sub = a.argmax()
amin = a.min()
amin_sub = a.argmin()
#------------------------
# WHERE function tests
#------------------------
a[where(a < 0)] = int16(0)
#----------------------------------------
a[where(a < 0)
wc = where(invert(a < 0))
nc = size(wc[0])] = int16(0) #(doesn't work yet)
#----------------------------------------
w = where(a < 10)
#--------------------------
w = where(a < 10)
nw = size(w[0])
#--------------------------
w = where(a < 10)
nw = size(w[0])
wc = where(invert(a < 10))
nc = size(wc[0])
#-------------------------------------------
# These have arguments with an equals sign
#-------------------------------------------
w = where(a == 10)
w = where(a <= 10)
w = where(a >= 10)
w = where(a != 10)
#-------------------------
# "Nested" WHERE example
#-------------------------
a = reshape(arange(4*4, dtype='Int16'), [4, 4]) - 8
w1 = where(a < 0)
w2 = where(a[w1] > -3)
a[w1[w2]] = int16(99)
#-----------------------
# ATAN function tests
#-----------------------
a = arctan(x)
a = arctan2(x,y)
#---------------------------
# STRSPLIT function tests
#---------------------------
s = ' Parse this sentence.'
words = s.split()
words = s.split()
words = s.split()
my_count = len(words)
words = s.split()
my_length = map(len, words)
#-------------------------------------
indices = [j for j in xrange(len(s)) if (ord(s[j]) > 32) and ((j==0) or ((j>0) and (ord(s[j-1]) < 33)))]
indices = [j for j in xrange(len(s)) if (ord(s[j]) > 32) and ((j==0) or ((j>0) and (ord(s[j-1]) < 33)))]
s.split()
my_count = len(indices)
my_length = map(len, indices)
#-------------------------------------
dstr = '1,2,3,4,5,'
data = dstr.split(',')
indices = [j for j in xrange(len(dstr)) if (dstr[j] not in ',') and ((j==0) or ((j>0) and (dstr[j-1] in ',')))]
#---------------------------
# STRTRIM function tests
#---------------------------
name = ' Scott '.rstrip()
name = ' Scott '.rstrip()
name = ' Scott '.lstrip()
name = ' Scott '.strip()
name = ' Scott '.rstrip()
#-----------------------------
# String manipulation tests
#-----------------------------
word = s[4:4+3]
word = 'the red fox'[4:4+3] #(should be 'red')
s = 'the red fox'
s = (s[:8] + 'dog' + s[8+len('dog'):])[:len(s)]
s = ('dog' + s[len('dog'):])[:len(s)]
_len = len('this')
name = 'Scott'.upper()
name = 'Scott'.lower()
print 'path separator = ' + os.sep
def Read_Vars(file_unit, var2=None, var3=None, var4=None, \
data_type='STRING', name=None):
#-------------------------------------------------------------
# Notes: By default, the STRSPLIT routine uses both blank
# spaces and tabs as delimiters. Others can be
# specified with the optional "pattern" argument.
# NB! If (type eq 'STRING') (the default), then we want
# to read everything after the ":", which may contain
# space characters in the interior (e.g a directory),
# but with leading/trailing spaces removed.
#-------------------------------------------------------------
n_params = 5 - [var2, var3, var4].count(None)
var1 = None
_opt = (var2, var3, var4)
def _ret():
_opt_rv = zip(_opt, [var2, var3, var4])
_rv = [var1]
_rv += [_o[1] for _o in _opt_rv if _o[0] is not None]
if (len(_rv) == 1):
return _rv[0]
else:
return tuple(_rv)
line = ''
line = idl_func.readf(file_unit, line)
#-----------------------------------
# Extract the variable name, which
# may contain blank spaces
#-----------------------------------
p = line.find(':')
if (p == -1):
return _ret()
name = line[0:0 + p]
line = line[p + 1:]
#-------------------------------
# Extract variables as strings
#-------------------------------
words = line.split()
count = len(words)
## print 'words =', words
## print 'count =', count
#################################
try:
value = eval(words[0])
except:
value = words[0]
#--------------
# For testing
#--------------
## print 'VALUE =', value
## print 'data_type =', data_type
## print '-------------------------------------------------'
#------------------------
# Convert var1 string ?
#------------------------
if (count >= 1):
dtype = data_type.upper()
if (dtype == 'BYTE'):
var1 = int16(value)
## var1 = uint8(int16(value))
elif (dtype == 'INTEGER'):
var1 = int16(value)
elif (dtype == 'LONG'):
var1 = int32(value)
elif (dtype == 'FLOAT'):
var1 = float32(value)
elif (dtype == 'DOUBLE'):
var1 = float64(value)
elif (dtype == 'STRING'):
var1 = value
elif (dtype == 'FILE'):
var1 = line.strip() #(may contain blanks)
else:
var1 = value
#-------------------------------------
# Extract additional vars as strings
#-------------------------------------
if (count >= 2):
var2 = words[1]
if (count >= 3):
var3 = words[2]
if (count >= 4):
var4 = words[3]
return _ret()
def Read_Vars(file_unit, var2=None, var3=None, var4=None, \
data_type='STRING', name=None):
#-------------------------------------------------------------
# Notes: By default, the STRSPLIT routine uses both blank
# spaces and tabs as delimiters. Others can be
# specified with the optional "pattern" argument.
# NB! If (type eq 'STRING') (the default), then we want
# to read everything after the ":", which may contain
# space characters in the interior (e.g a directory),
# but with leading/trailing spaces removed.
#-------------------------------------------------------------
n_params = 5 - [var2, var3, var4].count(None)
var1 = None
_opt = (var2, var3, var4)
def _ret():
_opt_rv = zip(_opt, [var2, var3, var4])
_rv = [var1]
_rv += [_o[1] for _o in _opt_rv if _o[0] is not None]
if (len(_rv) == 1):
return _rv[0]
else:
return tuple(_rv)
line = ''
line = idl_func.readf(file_unit, line)
#-----------------------------------
# Extract the variable name, which
# may contain blank spaces
#-----------------------------------
p = line.find(':')
if (p == -1):
return _ret()
name = line[0:0+p]
line = line[p + 1:]
#-------------------------------
# Extract variables as strings
#-------------------------------
words = line.split()
count = len(words)
## print 'words =', words
## print 'count =', count
#################################
try:
value = eval(words[0])
except:
value = words[0]
#--------------
# For testing
#--------------
## print 'VALUE =', value
## print 'data_type =', data_type
## print '-------------------------------------------------'
#------------------------
# Convert var1 string ?
#------------------------
if (count >= 1):
dtype = data_type.upper()
if (dtype == 'BYTE'):
var1 = int16(value)
## var1 = uint8(int16(value))
elif (dtype == 'INTEGER'):
var1 = int16(value)
elif (dtype == 'LONG'):
var1 = int32(value)
elif (dtype == 'FLOAT'):
var1 = float32(value)
elif (dtype == 'DOUBLE'):
var1 = float64(value)
elif (dtype == 'STRING'):
var1 = value
elif (dtype == 'FILE'):
var1 = line.strip() #(may contain blanks)
else:
var1 = value
#-------------------------------------
# Extract additional vars as strings
#-------------------------------------
if (count >= 2):
var2 = words[1]
if (count >= 3):
var3 = words[2]
if (count >= 4):
var4 = words[3]
return _ret()