def test_write_read():
for compression in [None, 'lzw']:
for itype in [uint8, uint16, uint32, uint64,
int8, int16, int32, int64,
float32, float64,
complex64, complex128]:
image = array([[1,2,3], [4,5,6]], itype)
fn = mktemp('.tif')
if 0:
tif = TIFF.open(fn,'w')
tif.write_image(image, compression=compression)
tif.close()
else:
tif = TIFFimage(image)
tif.write_file(fn, compression=compression)
del tif
tif = TIFFfile(fn)
data, names = tif.get_samples()
assert names==['sample0'],`names`
assert len(data)==1, `len(data)`
assert image.dtype==data[0].dtype, `image.dtype, data[0].dtype`
assert (image==data[0]).all()
#os.remove(fn)
atexit.register(os.remove, fn)
def test_write_read():
for compression in [None, 'lzw']:
for itype in [
uint8, uint16, uint32, uint64, int8, int16, int32, int64,
float32, float64, complex64, complex128
]:
image = array([[1, 2, 3], [4, 5, 6]], itype)
fn = mktemp('.tif')
if 0:
tif = TIFF.open(fn, 'w')
tif.write_image(image, compression=compression)
tif.close()
else:
tif = TIFFimage(image)
tif.write_file(fn, compression=compression)
del tif
tif = TIFFfile(fn)
data, names = tif.get_samples()
assert names == ['sample0'], repr(names)
assert len(data) == 1, repr(len(data))
assert image.dtype == data[0].dtype, repr(
(image.dtype, data[0].dtype))
assert (image == data[0]).all()
#os.remove(fn)
atexit.register(os.remove, fn)
def test_rw_rgb():
itype = uint8
dt = dtype(dict(names=list('rgb'), formats=[itype] * 3))
image = zeros((2, 3), dtype=dt)
image['r'][:, 0] = 250
image['g'][:, 1] = 251
image['b'][:, 2] = 252
fn = mktemp('.tif')
tif = TIFFimage(image)
tif.write_file(fn, compression='lzw') #, samples='rgb')
del tif
tif = TIFFfile(fn)
data, names = tif.get_samples()
#os.remove(fn)
atexit.register(os.remove, fn)
print image
print data
assert itype == data[0].dtype, ` itype, data[0].dtype `
assert (image['r'] == data[0]).all()
assert (image['g'] == data[1]).all()
assert (image['b'] == data[2]).all()
def test_rw_rgb():
itype = uint8
dt = dtype(dict(names = list('rgb'), formats = [itype]*3))
image = zeros((2,3), dtype=dt)
image['r'][:,0] = 250
image['g'][:,1] = 251
image['b'][:,2] = 252
fn = mktemp('.tif')
tif = TIFFimage(image)
tif.write_file(fn,compression='lzw')#, samples='rgb')
del tif
tif = TIFFfile(fn)
data, names = tif.get_samples()
#os.remove(fn)
atexit.register(os.remove, fn)
print image
print data
assert itype == data[0].dtype, `itype, data[0].dtype`
assert (image['r']==data[0]).all()
assert (image['g']==data[1]).all()
assert (image['b']==data[2]).all()
def test_write_read():
for compression in ['none', 'lzw']:
for itype in [
uint8, uint16, uint32, uint64, int8, int16, int32, int64,
float32, float64, complex64, complex128
]:
image = array([[1, 2, 3], [4, 5, 6]], itype)
fn = mktemp('.tif')
tif = TIFFimage(image)
tif.write_file(fn, compression=compression)
del tif
tif = TIFFfile(fn)
data, names = tif.get_samples()
#os.remove(fn)
atexit.register(os.remove, fn)
assert names == ['sample0'], ` names `
assert len(data) == 1, ` len(data) `
assert image.dtype == data[0].dtype, ` image.dtype, data[0].dtype `
assert (image == data[0]).all()
def test_write_read():
for compression in ['none', 'lzw']:
for itype in [uint8, uint16, uint32, uint64,
int8, int16, int32, int64,
float32, float64,
complex64, complex128]:
image = array([[1,2,3], [4,5,6]], itype)
fn = mktemp('.tif')
tif = TIFFimage(image)
tif.write_file(fn, compression=compression)
del tif
tif = TIFFfile(fn)
data, names = tif.get_samples()
#os.remove(fn)
atexit.register(os.remove, fn)
assert names==['sample0'],repr(names)
assert len(data)==1, repr(len(data))
assert image.dtype==data[0].dtype, repr((image.dtype,data[0].dtype))
assert (image==data[0]).all()
