def get_pixel_data(img):
"""Get the pixel data from an image"""
interval = wrap_interval(img)
dims = interval.dimensions()
#
# Make a Java double array
#
a = np.zeros(np.prod(dims), np.float64)
ja = J.get_env().make_double_array(np.ascontiguousarray(a))
strides = np.cumprod([1] + dims[:0:-1]).astype(int)[::-1]
J.static_call("net/imglib2/util/ImgUtil", "copy", "(Lnet/imglib2/img/Img;[DI[I)V", img, ja, 0, strides)
a = J.get_env().get_double_array_elements(ja)
a.shape = dims
return a
def get_pixel_data(img):
'''Get the pixel data from an image'''
interval = wrap_interval(img)
dims = interval.dimensions()
#
# Make a Java double array
#
a = np.zeros(np.prod(dims), np.float64)
ja = J.get_env().make_double_array(np.ascontiguousarray(a))
strides = np.cumprod([1] + dims[:0:-1]).astype(int)[::-1]
J.static_call("net/imglib2/util/ImgUtil", "copy",
"(Lnet/imglib2/img/Img;[DI[I)V", img, ja, 0, strides)
a = J.get_env().get_double_array_elements(ja)
a.shape = dims
return a
class ImageDisplay(object):
def __init__(self):
self.o = display
#
# List<DataView> methods
#
size = J.make_method("size", "()I")
isEmpty = J.make_method("isEmpty", "()Z")
contains = J.make_method("contains", "(Ljava/lang/Object;)Z")
def __iter__(self):
return J.iterate_collection(self.o)
toArray = J.make_method(
"toArray", "()[Ljava/lang/Object;",
fn_post_process=
lambda o:[wrap_data_view(v)
for v in J.get_env().get_object_array_elements(o)])
addO = J.make_method("add", "(Ljava/lang/Object;)Z")
removeO = J.make_method("remove", "(Ljava/lang/Object;)Z")
clear = J.make_method("clear", "()V")
get = J.make_method("get", "(I)Ljava/lang/Object;",
fn_post_process = wrap_data_view)
set = J.make_method("set", "(ILjava/lang/Object;)V")
addI = J.make_method("add", "(ILjava/lang/Object;)V")
removeI = J.make_method("remove", "(I)V")
#
# Display methods
#
canDisplay = J.make_method(
"canDisplay", "(Ljava/lang/Object;)Z",
"Return true if display can display dataset")
display = J.make_method(
"display", "(Ljava/lang/Object;)V",
"Display the given object")
update = J.make_method("update", "()V",
"Signal display change")
getName = J.make_method("getName", "()Ljava/lang/String;")
setName = J.make_method("setName", "(Ljava/lang/String;)V")
def close(self):
'''Close the display
This is run in the UI thread with synchronization.
'''
r = J.run_script(
"""new java.lang.Runnable() {
run: function() { display.close(); }
};
""", dict(display=self.o))
J.execute_runnable_in_main_thread(r, True)
#
# ImageDisplay methods
#
getActiveView = J.make_method(
"getActiveView", "()Limagej/data/display/DataView;",
fn_post_process=wrap_data_view)
getActiveAxis = J.make_method(
"getActiveAxis", "()Lnet/imglib2/meta/AxisType;")
setActiveAxis = J.make_method(
"setActiveAxis", "(Lnet/imglib2/meta/AxisType;)V")
getCanvas = J.make_method(
"getCanvas", "()Limagej/data/display/ImageCanvas;")
def make_ome_tiff_writer_class():
'''Return a class that wraps loci.formats.out.OMETiffWriter'''
env = jutil.get_env()
class_name = 'loci/formats/out/OMETiffWriter'
klass = env.find_class(class_name)
base_klass = env.find_class('loci/formats/IFormatWriter')
IFormatWriter = make_iformat_writer_class(class_name)
class OMETiffWriter(IFormatWriter):
new_fn = jutil.make_new(class_name, '()V')
def __init__(self):
self.new_fn()
setId = jutil.make_method('setId', '(Ljava/lang/String;)V',
'Sets the current file name.')
close = jutil.make_method(
'close','()V',
'Closes currently open file(s) and frees allocated memory.')
saveBytesIFD = jutil.make_method(
'saveBytes', '(I[BLloci/formats/tiff/IFD;)V',
'''save a byte array to an image channel
index - image index
bytes - byte array to save
ifd - a loci.formats.tiff.IFD instance that gives all of the
IFD values associated with the channel''')
return OMETiffWriter
class PixelType(object):
'''Provide enums from ome.xml.model.enums.PixelType'''
klass = jutil.get_env().find_class('ome/xml/model/enums/PixelType')
INT8 = jutil.get_static_field(klass, 'INT8',
'Lome/xml/model/enums/PixelType;')
INT16 = jutil.get_static_field(klass, 'INT16',
'Lome/xml/model/enums/PixelType;')
INT32 = jutil.get_static_field(klass, 'INT32',
'Lome/xml/model/enums/PixelType;')
UINT8 = jutil.get_static_field(klass, 'UINT8',
'Lome/xml/model/enums/PixelType;')
UINT16 = jutil.get_static_field(klass, 'UINT16',
'Lome/xml/model/enums/PixelType;')
UINT32 = jutil.get_static_field(klass, 'UINT32',
'Lome/xml/model/enums/PixelType;')
FLOAT = jutil.get_static_field(klass, 'FLOAT',
'Lome/xml/model/enums/PixelType;')
BIT = jutil.get_static_field(klass, 'BIT',
'Lome/xml/model/enums/PixelType;')
DOUBLE = jutil.get_static_field(klass, 'DOUBLE',
'Lome/xml/model/enums/PixelType;')
COMPLEX = jutil.get_static_field(
klass, 'COMPLEX', 'Lome/xml/model/enums/PixelType;')
DOUBLECOMPLEX = jutil.get_static_field(
klass, 'DOUBLECOMPLEX', 'Lome/xml/model/enums/PixelType;')
def evaluate_url(filtr, url):
'''Evaluate a URL using a setting's filter
'''
global filter_class, filter_method_id
env = J.get_env()
if filter_class is None:
filter_class = env.find_class(
"org/cellprofiler/imageset/filter/Filter")
if filter_class is None:
jexception = get_env.exception_occurred()
raise J.JavaException(jexception)
filter_method_id = env.get_static_method_id(
filter_class, "filter", "(Ljava/lang/String;Ljava/lang/String;)Z")
if filter_method_id is None:
raise JavaError(
"Could not find static method, org.cellprofiler.imageset.filter.Filter.filter(String, String)"
)
try:
expression = filtr.value_text
if isinstance(expression, unicode):
expression = expression.encode("utf-8")
if isinstance(url, unicode):
url = url.encode("utf-8")
return env.call_static_method(filter_class, filter_method_id,
env.new_string_utf(expression),
env.new_string_utf(url))
except J.JavaException as e:
if J.is_instance_of(
e.throwable,
"org/cellprofiler/imageset/filter/Filter$BadFilterExpressionException"
):
raise
return False
def evaluate_url(filtr, url):
'''Evaluate a URL using a setting's filter
'''
global filter_class, filter_method_id
env = J.get_env()
if filter_class is None:
filter_class = env.find_class("org/cellprofiler/imageset/filter/Filter")
if filter_class is None:
jexception = get_env.exception_occurred()
raise J.JavaException(jexception)
filter_method_id = env.get_static_method_id(
filter_class,
"filter",
"(Ljava/lang/String;Ljava/lang/String;)Z")
if filter_method_id is None:
raise JavaError("Could not find static method, org.cellprofiler.imageset.filter.Filter.filter(String, String)")
try:
expression = filtr.value_text
if isinstance(expression, unicode):
expression = expression.encode("utf-8")
if isinstance(url, unicode):
url = url.encode("utf-8")
return env.call_static_method(
filter_class, filter_method_id,
env.new_string_utf(expression), env.new_string_utf(url))
except J.JavaException as e:
if J.is_instance_of(
e.throwable, "org/cellprofiler/imageset/filter/Filter$BadFilterExpressionException"):
raise
return False
def make_ome_tiff_writer_class():
"""Return a class that wraps loci.formats.out.OMETiffWriter"""
env = jutil.get_env()
class_name = "loci/formats/out/OMETiffWriter"
klass = env.find_class(class_name)
base_klass = env.find_class("loci/formats/IFormatWriter")
IFormatWriter = make_iformat_writer_class(class_name)
class OMETiffWriter(IFormatWriter):
new_fn = jutil.make_new(class_name, "()V")
def __init__(self):
self.new_fn()
setId = jutil.make_method("setId", "(Ljava/lang/String;)V", "Sets the current file name.")
close = jutil.make_method("close", "()V", "Closes currently open file(s) and frees allocated memory.")
saveBytesIFD = jutil.make_method(
"saveBytes",
"(I[BLloci/formats/tiff/IFD;)V",
"""save a byte array to an image channel
index - image index
bytes - byte array to save
ifd - a loci.formats.tiff.IFD instance that gives all of the
IFD values associated with the channel""",
)
return OMETiffWriter
def prepare_run(self, workspace):
"""Create an IPD for every url that passes the filter"""
if workspace.pipeline.in_batch_mode():
return True
file_list = workspace.pipeline.file_list
if self.filter_choice != FILTER_CHOICE_NONE:
if self.filter_choice == FILTER_CHOICE_IMAGES:
expression = FILTER_DEFAULT
else:
expression = self.filter.value_text
env = J.get_env()
ifcls = J.class_for_name("org.cellprofiler.imageset.ImageFile")
scls = env.find_class("java/lang/String")
iffilter = J.make_instance(
"org/cellprofiler/imageset/filter/Filter", "(Ljava/lang/String;Ljava/lang/Class;)V", expression, ifcls
)
file_array = env.make_object_array(len(file_list), scls)
for i, url in enumerate(file_list):
if isinstance(url, unicode):
ourl = env.new_string(url)
else:
ourl = env.new_string_utf(url)
env.set_object_array_element(file_array, i, ourl)
passes_filter = J.call(iffilter, "filterURLs", "([Ljava/lang/String;)[Z", file_array)
file_list = [f for f, passes in zip(file_list, passes_filter) if passes]
workspace.pipeline.set_filtered_file_list(file_list, self)
return True
def test_03_07_cw_get_fields(self):
c = J.get_class_wrapper('java.lang.String')
fields = c.getFields()
fields = J.get_env().get_object_array_elements(fields)
self.assertEqual(len(fields), 1)
self.assertEqual(J.call(fields[0], 'getName', '()Ljava/lang/String;'),
"CASE_INSENSITIVE_ORDER")
def make_ome_tiff_writer_class():
'''Return a class that wraps loci.formats.out.OMETiffWriter'''
env = jutil.get_env()
class_name = 'loci/formats/out/OMETiffWriter'
klass = env.find_class(class_name)
base_klass = env.find_class('loci/formats/IFormatWriter')
IFormatWriter = make_iformat_writer_class(class_name)
class OMETiffWriter(IFormatWriter):
new_fn = jutil.make_new(class_name, '()V')
def __init__(self):
self.new_fn()
setId = jutil.make_method('setId', '(Ljava/lang/String;)V',
'Sets the current file name.')
close = jutil.make_method(
'close','()V',
'Closes currently open file(s) and frees allocated memory.')
saveBytesIFD = jutil.make_method(
'saveBytes', '(I[BLloci/formats/tiff/IFD;)V',
'''save a byte array to an image channel
index - image index
bytes - byte array to save
ifd - a loci.formats.tiff.IFD instance that gives all of the
IFD values associated with the channel''')
return OMETiffWriter
def __init__(self):
env = jutil.get_env()
class_name = 'loci/formats/ImageReader'
klass = env.find_class(class_name)
base_klass = env.find_class('loci/formats/IFormatReader')
self.o = jutil.make_instance("loci/formats/ClassList",
"(Ljava/lang/String;"
"Ljava/lang/Class;" # base
"Ljava/lang/Class;)V", # location in jar
"readers.txt", base_klass, klass)
problem_classes = [
# BDReader will read all .tif files in an experiment if it's
# called to load a .tif.
#
'loci.formats.in.BDReader',
#
# MRCReader will read .stk files which should be read
# by MetamorphReader
#
'loci.formats.in.MRCReader'
]
for problem_class in problem_classes:
# Move to back
klass = jutil.class_for_name(problem_class)
self.remove_class(klass)
self.add_class(klass)
def test_03_07_cw_get_fields(self):
c = J.get_class_wrapper('java.lang.String')
fields = c.getFields()
fields = J.get_env().get_object_array_elements(fields)
self.assertEqual(len(fields), 1)
self.assertEqual(J.call(fields[0], 'getName', '()Ljava/lang/String;'),
"CASE_INSENSITIVE_ORDER")
def test_03_05_cw_get_annotations(self):
c = J.get_class_wrapper('java.security.Identity')
annotations = c.getAnnotations()
annotations = J.get_env().get_object_array_elements(annotations)
self.assertEqual(len(annotations), 1)
self.assertEqual(J.to_string(annotations[0]),
'@java.lang.Deprecated()')
def prepare_run(self, workspace):
'''Create an IPD for every url that passes the filter'''
if workspace.pipeline.in_batch_mode():
return True
file_list = workspace.pipeline.file_list
if self.filter_choice != FILTER_CHOICE_NONE:
if self.filter_choice == FILTER_CHOICE_IMAGES:
expression = FILTER_DEFAULT
else:
expression = self.filter.value_text
env = J.get_env()
ifcls = J.class_for_name("org.cellprofiler.imageset.ImageFile")
scls = env.find_class("java/lang/String")
iffilter = J.make_instance(
"org/cellprofiler/imageset/filter/Filter",
"(Ljava/lang/String;Ljava/lang/Class;)V", expression, ifcls)
file_array = env.make_object_array(len(file_list), scls)
for i, url in enumerate(file_list):
if isinstance(url, unicode):
ourl = env.new_string(url)
else:
ourl = env.new_string_utf(url)
env.set_object_array_element(file_array, i, ourl)
passes_filter = J.call(iffilter, "filterURLs",
"([Ljava/lang/String;)[Z", file_array)
file_list = [
f for f, passes in zip(file_list, passes_filter) if passes
]
workspace.pipeline.set_filtered_file_list(file_list, self)
return True
def __init__(self):
env = jutil.get_env()
class_name = 'loci/formats/ImageReader'
klass = env.find_class(class_name)
base_klass = env.find_class('loci/formats/IFormatReader')
self.o = jutil.make_instance(
"loci/formats/ClassList",
"(Ljava/lang/String;"
"Ljava/lang/Class;" # base
"Ljava/lang/Class;)V", # location in jar
"readers.txt",
base_klass,
klass)
problem_classes = [
# BDReader will read all .tif files in an experiment if it's
# called to load a .tif.
#
'loci.formats.in.BDReader',
#
# MRCReader will read .stk files which should be read
# by MetamorphReader
#
'loci.formats.in.MRCReader'
]
for problem_class in problem_classes:
# Move to back
klass = jutil.class_for_name(problem_class)
self.remove_class(klass)
self.add_class(klass)
def test_03_10_cw_get_methods(self):
c = J.get_class_wrapper('java.lang.String')
mmm = J.get_env().get_object_array_elements(c.getMethods())
self.assertTrue(
any([
J.call(m, 'getName', '()Ljava/lang/String;') == 'concat'
for m in mmm
]))
def allowOpenToCheckType(self, allow):
'''Allow the "isThisType" function to open files
For the cluster, you want to tell potential file formats
not to open the image file to test if it's their format.
'''
if not hasattr(self, "allowOpenToCheckType_method"):
self.allowOpenToCheckType_method = None
class_wrapper = jutil.get_class_wrapper(self.o)
methods = class_wrapper.getMethods()
for method in jutil.get_env().get_object_array_elements(methods):
m = jutil.get_method_wrapper(method)
if m.getName() in ('allowOpenToCheckType', 'setAllowOpenFiles'):
self.allowOpenToCheckType_method = m
if self.allowOpenToCheckType_method is not None:
object_class = env.find_class('java/lang/Object')
jexception = jutil.get_env().exception_occurred()
if jexception is not None:
raise jutil.JavaException(jexception)
boolean_value = jutil.make_instance('java/lang/Boolean',
'(Z)V', allow)
args = jutil.get_env().make_object_array(1, object_class)
jexception = jutil.get_env().exception_occurred()
if jexception is not None:
raise jutil.JavaException(jexception)
jutil.get_env().set_object_array_element(args, 0, boolean_value)
jexception = jutil.get_env().exception_occurred()
if jexception is not None:
raise jutil.JavaException(jexception)
self.allowOpenToCheckType_method.invoke(self.o, args)
def allowOpenToCheckType(self, allow):
'''Allow the "isThisType" function to open files
For the cluster, you want to tell potential file formats
not to open the image file to test if it's their format.
'''
if not hasattr(self, "allowOpenToCheckType_method"):
self.allowOpenToCheckType_method = None
class_wrapper = jutil.get_class_wrapper(self.o)
methods = class_wrapper.getMethods()
for method in jutil.get_env().get_object_array_elements(
methods):
m = jutil.get_method_wrapper(method)
if m.getName() in ('allowOpenToCheckType',
'setAllowOpenFiles'):
self.allowOpenToCheckType_method = m
if self.allowOpenToCheckType_method is not None:
object_class = env.find_class('java/lang/Object')
jexception = jutil.get_env().exception_occurred()
if jexception is not None:
raise jutil.JavaException(jexception)
boolean_value = jutil.make_instance('java/lang/Boolean',
'(Z)V', allow)
args = jutil.get_env().make_object_array(1, object_class)
jexception = jutil.get_env().exception_occurred()
if jexception is not None:
raise jutil.JavaException(jexception)
jutil.get_env().set_object_array_element(
args, 0, boolean_value)
jexception = jutil.get_env().exception_occurred()
if jexception is not None:
raise jutil.JavaException(jexception)
self.allowOpenToCheckType_method.invoke(self.o, args)
def suffixSufficient(self):
if self.get_class_name() == 'loci.formats.in.JPKReader':
return True;
env = jutil.get_env()
klass = env.get_object_class(self.o)
field_id = env.get_field_id(klass, "suffixSufficient", "Z")
if field_id is None:
return None
return env.get_boolean_field(self.o, field_id)
def suffixSufficient(self):
if self.get_class_name() == 'loci.formats.in.JPKReader':
return True
env = jutil.get_env()
klass = env.get_object_class(self.o)
field_id = env.get_field_id(klass, "suffixSufficient", "Z")
if field_id is None:
return None
return env.get_boolean_field(self.o, field_id)
def suffixNecessary(self):
if self.get_class_name() == "loci.formats.in.JPKReader":
return True
env = jutil.get_env()
klass = env.get_object_class(self.o)
field_id = env.get_field_id(klass, "suffixNecessary", "Z")
if field_id is None:
return None
return env.get_boolean_field(self.o, field_id)
def make_image_reader_class():
'''Return an image reader class for the given Java environment'''
env = jutil.get_env()
class_name = 'loci/formats/ImageReader'
klass = env.find_class(class_name)
base_klass = env.find_class('loci/formats/IFormatReader')
IFormatReader = make_iformat_reader_class()
class_list = get_class_list()
class ImageReader(IFormatReader):
new_fn = jutil.make_new(class_name, '(Lloci/formats/ClassList;)V')
def __init__(self):
self.new_fn(class_list.o)
getFormat = jutil.make_method(
'getFormat', '()Ljava/lang/String;',
'Get a string describing the format of this file')
getReader = jutil.make_method('getReader',
'()Lloci/formats/IFormatReader;')
def allowOpenToCheckType(self, allow):
'''Allow the "isThisType" function to open files
For the cluster, you want to tell potential file formats
not to open the image file to test if it's their format.
'''
if not hasattr(self, "allowOpenToCheckType_method"):
self.allowOpenToCheckType_method = None
class_wrapper = jutil.get_class_wrapper(self.o)
methods = class_wrapper.getMethods()
for method in jutil.get_env().get_object_array_elements(
methods):
m = jutil.get_method_wrapper(method)
if m.getName() in ('allowOpenToCheckType',
'setAllowOpenFiles'):
self.allowOpenToCheckType_method = m
if self.allowOpenToCheckType_method is not None:
object_class = env.find_class('java/lang/Object')
jexception = jutil.get_env().exception_occurred()
if jexception is not None:
raise jutil.JavaException(jexception)
boolean_value = jutil.make_instance('java/lang/Boolean',
'(Z)V', allow)
args = jutil.get_env().make_object_array(1, object_class)
jexception = jutil.get_env().exception_occurred()
if jexception is not None:
raise jutil.JavaException(jexception)
jutil.get_env().set_object_array_element(
args, 0, boolean_value)
jexception = jutil.get_env().exception_occurred()
if jexception is not None:
raise jutil.JavaException(jexception)
self.allowOpenToCheckType_method.invoke(self.o, args)
return ImageReader
def get_bit_data(img):
'''Get the pixel data from a binary mask
returns a Numpy array of boolean type
'''
interval = wrap_interval(img)
dims = interval.dimensions()
#
# Make a Java boolean array
#
a = np.zeros(np.prod(dims), np.float64)
ja = J.get_env().make_boolean_array(np.ascontiguousarray(a))
strides = np.cumprod([1] + dims[:0:-1]).astype(int)[::-1]
J.static_call("net/imglib2/util/ImgUtil", "copy",
"(Lnet/imglib2/img/Img;[ZI[I)V",
img, ja, 0, strides)
a = J.get_env().get_boolean_array_elements(ja)
a.shape = dims
return a
def make_image_reader_class():
"""Return an image reader class for the given Java environment"""
env = jutil.get_env()
class_name = "loci/formats/ImageReader"
klass = env.find_class(class_name)
base_klass = env.find_class("loci/formats/IFormatReader")
IFormatReader = make_iformat_reader_class()
class_list = get_class_list()
class ImageReader(IFormatReader):
new_fn = jutil.make_new(class_name, "(Lloci/formats/ClassList;)V")
def __init__(self):
self.new_fn(class_list.o)
getFormat = jutil.make_method(
"getFormat", "()Ljava/lang/String;", "Get a string describing the format of this file"
)
getReader = jutil.make_method("getReader", "()Lloci/formats/IFormatReader;")
def allowOpenToCheckType(self, allow):
"""Allow the "isThisType" function to open files
For the cluster, you want to tell potential file formats
not to open the image file to test if it's their format.
"""
if not hasattr(self, "allowOpenToCheckType_method"):
self.allowOpenToCheckType_method = None
class_wrapper = jutil.get_class_wrapper(self.o)
methods = class_wrapper.getMethods()
for method in jutil.get_env().get_object_array_elements(methods):
m = jutil.get_method_wrapper(method)
if m.getName() in ("allowOpenToCheckType", "setAllowOpenFiles"):
self.allowOpenToCheckType_method = m
if self.allowOpenToCheckType_method is not None:
object_class = env.find_class("java/lang/Object")
jexception = jutil.get_env().exception_occurred()
if jexception is not None:
raise jutil.JavaException(jexception)
boolean_value = jutil.make_instance("java/lang/Boolean", "(Z)V", allow)
args = jutil.get_env().make_object_array(1, object_class)
jexception = jutil.get_env().exception_occurred()
if jexception is not None:
raise jutil.JavaException(jexception)
jutil.get_env().set_object_array_element(args, 0, boolean_value)
jexception = jutil.get_env().exception_occurred()
if jexception is not None:
raise jutil.JavaException(jexception)
self.allowOpenToCheckType_method.invoke(self.o, args)
return ImageReader
def close_all_windows():
"""Close all ImageJ windows
Hide the ImageJ windows so that they don't go through the Save dialog,
then call the Window Manager's closeAllWindows to get the rest.
"""
jimage_list = J.static_call("ij/WindowManager", "getIDList", "()[I")
if jimage_list is None:
return
image_list = J.get_env().get_int_array_elements(jimage_list)
for image_id in image_list:
ip = J.static_call("ij/WindowManager", "getImage", "(I)Lij/ImagePlus;", image_id)
ip = get_imageplus_wrapper(ip)
ip.hide()
J.static_call("ij/WindowManager", "closeAllWindows", "()Z")
def close_all_windows():
'''Close all ImageJ windows
Hide the ImageJ windows so that they don't go through the Save dialog,
then call the Window Manager's closeAllWindows to get the rest.
'''
jimage_list = J.static_call('ij/WindowManager', 'getIDList', '()[I')
if jimage_list is None:
return
image_list = J.get_env().get_int_array_elements(jimage_list)
for image_id in image_list:
ip = J.static_call('ij/WindowManager', 'getImage', '(I)Lij/ImagePlus;',
image_id)
ip = get_imageplus_wrapper(ip)
ip.hide()
J.static_call('ij/WindowManager', 'closeAllWindows', '()Z')
def close_all_windows():
'''Close all ImageJ windows
Hide the ImageJ windows so that they don't go through the Save dialog,
then call the Window Manager's closeAllWindows to get the rest.
'''
jimage_list = J.static_call('ij/WindowManager', 'getIDList', '()[I')
if jimage_list is None:
return
image_list = J.get_env().get_int_array_elements(jimage_list)
for image_id in image_list:
ip = J.static_call('ij/WindowManager', 'getImage',
'(I)Lij/ImagePlus;', image_id)
ip = get_imageplus_wrapper(ip)
ip.hide()
J.static_call('ij/WindowManager', 'closeAllWindows', '()Z')
def make_image_writer_class():
'''Return an image writer class for the given Java environment'''
env = jutil.get_env()
class_name = 'loci/formats/ImageWriter'
klass = env.find_class(class_name)
base_klass = env.find_class('loci/formats/IFormatWriter')
IFormatWriter = make_iformat_writer_class(class_name)
#
# This uses the writers.txt file from inside the loci_tools.jar
#
class_list = jutil.make_instance("loci/formats/ClassList",
"(Ljava/lang/String;"
"Ljava/lang/Class;" # base
"Ljava/lang/Class;)V", # location in jar
"writers.txt", base_klass, klass)
class ImageWriter(IFormatWriter):
new_fn = jutil.make_new(class_name, '(Lloci/formats/ClassList;)V')
def __init__(self):
self.new_fn(class_list)
setId = jutil.make_method('setId', '(Ljava/lang/String;)V',
'Sets the current file name.')
addStatusListener = jutil.make_method('addStatusListener', '()Lloci/formats/StatusListener;',
'Adds a listener for status update events.')
close = jutil.make_method('close','()V',
'Closes currently open file(s) and frees allocated memory.')
getFormat = jutil.make_method('getFormat', '()Ljava/lang/String;',
'Gets the name of this file format.')
getNativeDataType = jutil.make_method('getNativeDataType', '()Ljava/lang/Class;',
'Returns the native data type of image planes for this reader, as returned by IFormatReader.openPlane(int, int, int, int, int) or IFormatWriter#saveData.')
getStatusListeners = jutil.make_method('getStatusListeners', '()[Lloci/formats/StatusListener;',
'Gets a list of all registered status update listeners.')
getSuffixes = jutil.make_method('getSuffixes', '()Ljava/lang/String;',
'Gets the default file suffixes for this file format.')
getWriter = jutil.make_method('getWriter', '()Lloci/formats/IFormatWriter;',
'Gets the writer used to save the current file.')
# getWriter = jutil.make_method('getWriter', '(Ljava/lang/Class)Lloci/formats/IFormatWriter;',
# 'Gets the file format writer instance matching the given class.')
# getWriter = jutil.make_method('getWriter', '(Ljava/lang/String;)Lloci/formats/IFormatWriter;',
# 'Gets the writer used to save the given file.')
getWriters = jutil.make_method('getWriters', '()[Lloci/formats/IFormatWriter;',
'Gets all constituent file format writers.')
isThisType = jutil.make_method('isThisType', '(Ljava/lang/String;)Z',
'Checks if the given string is a valid filename for this file format.')
removeStatusListener = jutil.make_method('removeStatusListener', '(Lloci/formats/StatusListener;)V',
'Saves the given byte array to the current file.')
return ImageWriter
def get_measurements_for_good_pipeline(nimages = 1,
group_numbers = None):
'''Get an appropriately initialized measurements structure for the good pipeline'''
path = os.path.join(example_images_directory(), "ExampleSBSImages")
m = cpmeas.Measurements()
if group_numbers is None:
group_numbers = [1] * nimages
group_indexes = [1]
last_group_number = group_numbers[0]
group_index = 1
for group_number in group_numbers:
if group_number == last_group_number:
group_index += 1
else:
group_index = 1
group_indexes.append(group_index)
for i in range(1, nimages+1):
filename = ("Channel2-%02d-%s-%02d.tif" %
(i, "ABCDEFGH"[int((i-1) / 12)], ((i-1) % 12) + 1))
url = pathname2url(os.path.join(path, filename))
m[cpmeas.IMAGE, cpmeas.C_FILE_NAME + "_DNA", i] = filename
m[cpmeas.IMAGE, cpmeas.C_PATH_NAME + "_DNA", i] = path
m[cpmeas.IMAGE, cpmeas.C_URL+"_DNA", i] = url
m[cpmeas.IMAGE, cpmeas.GROUP_NUMBER, i] = group_numbers[i-1]
m[cpmeas.IMAGE, cpmeas.GROUP_INDEX, i] = group_indexes[i-1]
jblob = J.run_script("""
importPackage(Packages.org.cellprofiler.imageset);
importPackage(Packages.org.cellprofiler.imageset.filter);
var imageFile=new ImageFile(new java.net.URI(url));
var imageFileDetails = new ImageFileDetails(imageFile);
var imageSeries=new ImageSeries(imageFile, 0);
var imageSeriesDetails = new ImageSeriesDetails(imageSeries, imageFileDetails);
var imagePlane=new ImagePlane(imageSeries, 0, ImagePlane.ALWAYS_MONOCHROME);
var ipd = new ImagePlaneDetails(imagePlane, imageSeriesDetails);
var stack = ImagePlaneDetailsStack.makeMonochromeStack(ipd);
var stacks = java.util.Collections.singletonList(stack);
var keys = java.util.Collections.singletonList(imageNumber);
var imageSet = new ImageSet(stacks, keys);
imageSet.compress(java.util.Collections.singletonList("DNA"), null);
""", dict(url=url, imageNumber = str(i)))
blob = J.get_env().get_byte_array_elements(jblob)
m[cpmeas.IMAGE, M_IMAGE_SET, i, blob.dtype] = blob
pipeline = cpp.Pipeline()
pipeline.loadtxt(StringIO(GOOD_PIPELINE))
pipeline.write_pipeline_measurement(m)
return m
def make_image_writer_class():
'''Return an image writer class for the given Java environment'''
env = jutil.get_env()
class_name = 'loci/formats/ImageWriter'
klass = env.find_class(class_name)
base_klass = env.find_class('loci/formats/IFormatWriter')
IFormatWriter = make_iformat_writer_class(class_name)
#
# This uses the writers.txt file from inside the loci_tools.jar
#
class_list = jutil.make_instance("loci/formats/ClassList",
"(Ljava/lang/String;"
"Ljava/lang/Class;" # base
"Ljava/lang/Class;)V", # location in jar
"writers.txt", base_klass, klass)
class ImageWriter(IFormatWriter):
new_fn = jutil.make_new(class_name, '(Lloci/formats/ClassList;)V')
def __init__(self):
self.new_fn(class_list)
setId = jutil.make_method('setId', '(Ljava/lang/String;)V',
'Sets the current file name.')
addStatusListener = jutil.make_method('addStatusListener', '()Lloci/formats/StatusListener;',
'Adds a listener for status update events.')
close = jutil.make_method('close','()V',
'Closes currently open file(s) and frees allocated memory.')
getFormat = jutil.make_method('getFormat', '()Ljava/lang/String;',
'Gets the name of this file format.')
getNativeDataType = jutil.make_method('getNativeDataType', '()Ljava/lang/Class;',
'Returns the native data type of image planes for this reader, as returned by IFormatReader.openPlane(int, int, int, int, int) or IFormatWriter#saveData.')
getStatusListeners = jutil.make_method('getStatusListeners', '()[Lloci/formats/StatusListener;',
'Gets a list of all registered status update listeners.')
getSuffixes = jutil.make_method('getSuffixes', '()Ljava/lang/String;',
'Gets the default file suffixes for this file format.')
getWriter = jutil.make_method('getWriter', '()Lloci/formats/IFormatWriter;',
'Gets the writer used to save the current file.')
# getWriter = jutil.make_method('getWriter', '(Ljava/lang/Class)Lloci/formats/IFormatWriter;',
# 'Gets the file format writer instance matching the given class.')
# getWriter = jutil.make_method('getWriter', '(Ljava/lang/String;)Lloci/formats/IFormatWriter;',
# 'Gets the writer used to save the given file.')
getWriters = jutil.make_method('getWriters', '()[Lloci/formats/IFormatWriter;',
'Gets all constituent file format writers.')
isThisType = jutil.make_method('isThisType', '(Ljava/lang/String;)Z',
'Checks if the given string is a valid filename for this file format.')
removeStatusListener = jutil.make_method('removeStatusListener', '(Lloci/formats/StatusListener;)V',
'Saves the given byte array to the current file.')
return ImageWriter
def get_measurements_for_good_pipeline(nimages=1, group_numbers=None):
'''Get an appropriately initialized measurements structure for the good pipeline'''
path = os.path.join(example_images_directory(), "ExampleSBSImages")
m = cpmeas.Measurements()
if group_numbers is None:
group_numbers = [1] * nimages
group_indexes = [1]
last_group_number = group_numbers[0]
group_index = 1
for group_number in group_numbers:
if group_number == last_group_number:
group_index += 1
else:
group_index = 1
group_indexes.append(group_index)
for i in range(1, nimages + 1):
filename = ("Channel2-%02d-%s-%02d.tif" % (i, "ABCDEFGH"[int(
(i - 1) / 12)], ((i - 1) % 12) + 1))
url = pathname2url(os.path.join(path, filename))
m[cpmeas.IMAGE, cpmeas.C_FILE_NAME + "_DNA", i] = filename
m[cpmeas.IMAGE, cpmeas.C_PATH_NAME + "_DNA", i] = path
m[cpmeas.IMAGE, cpmeas.C_URL + "_DNA", i] = url
m[cpmeas.IMAGE, cpmeas.GROUP_NUMBER, i] = group_numbers[i - 1]
m[cpmeas.IMAGE, cpmeas.GROUP_INDEX, i] = group_indexes[i - 1]
jblob = J.run_script(
"""
importPackage(Packages.org.cellprofiler.imageset);
importPackage(Packages.org.cellprofiler.imageset.filter);
var imageFile=new ImageFile(new java.net.URI(url));
var imageFileDetails = new ImageFileDetails(imageFile);
var imageSeries=new ImageSeries(imageFile, 0);
var imageSeriesDetails = new ImageSeriesDetails(imageSeries, imageFileDetails);
var imagePlane=new ImagePlane(imageSeries, 0, ImagePlane.ALWAYS_MONOCHROME);
var ipd = new ImagePlaneDetails(imagePlane, imageSeriesDetails);
var stack = ImagePlaneDetailsStack.makeMonochromeStack(ipd);
var stacks = java.util.Collections.singletonList(stack);
var keys = java.util.Collections.singletonList(imageNumber);
var imageSet = new ImageSet(stacks, keys);
imageSet.compress(java.util.Collections.singletonList("DNA"), null);
""", dict(url=url, imageNumber=str(i)))
blob = J.get_env().get_byte_array_elements(jblob)
m[cpmeas.IMAGE, M_IMAGE_SET, i, blob.dtype] = blob
pipeline = cpp.Pipeline()
pipeline.loadtxt(StringIO(GOOD_PIPELINE))
pipeline.write_pipeline_measurement(m)
return m
def prepare_run(self, workspace):
'''Create an IPD for every url that passes the filter'''
if workspace.pipeline.in_batch_mode():
return True
if self.wants_filter:
env = J.get_env()
jexpression = env.new_string_utf(self.filter.value_text)
filter_fn = J.make_static_call(
"org/cellprofiler/imageset/filter/Filter", "filter",
"(Ljava/lang/String;Ljava/lang/String;)Z")
ipds = filter(
lambda ipd: filter_fn(jexpression, env.new_string_utf(
ipd.url)), workspace.pipeline.image_plane_details)
else:
ipds = workspace.pipeline.image_plane_details
workspace.pipeline.set_filtered_image_plane_details(ipds, self)
return True
def get_pixel_data(self, axes = None):
imgplus = self.getImgPlus()
pixel_data = get_pixel_data(imgplus)
inv_axes = J.get_env().get_object_array_elements(self.getAxes())
if axes is None:
axes = [ Axes().Y, Axes().X]
if len(inv_axes) > 2:
axes.append(Axes().CHANNEL)
transpose = []
for axis in axes:
matches = [i for i, inv_axis in enumerate(inv_axes)
if J.call(inv_axis, "equals",
"(Ljava/lang/Object;)Z", axis)]
if len(matches) != 1:
raise ValueError("No match for %s axis" % J.to_string(axis))
transpose.append(matches[0])
return pixel_data.transpose(transpose)
def prepare_run(self, workspace):
'''Create an IPD for every url that passes the filter'''
if workspace.pipeline.in_batch_mode():
return True
if self.wants_filter:
env = J.get_env()
jexpression = env.new_string_utf(self.filter.value_text)
filter_fn = J.make_static_call(
"org/cellprofiler/imageset/filter/Filter",
"filter", "(Ljava/lang/String;Ljava/lang/String;)Z")
ipds = filter(
lambda ipd:filter_fn(jexpression, env.new_string_utf(ipd.url)),
workspace.pipeline.image_plane_details)
else:
ipds = workspace.pipeline.image_plane_details
workspace.pipeline.set_filtered_image_plane_details(ipds, self)
return True
def get_pixel_data(self, axes=None):
imgplus = self.getImgPlus()
pixel_data = get_pixel_data(imgplus)
inv_axes = J.get_env().get_object_array_elements(self.getAxes())
if axes is None:
axes = [Axes().Y, Axes().X]
if len(inv_axes) > 2:
axes.append(Axes().CHANNEL)
transpose = []
for axis in axes:
matches = [
i for i, inv_axis in enumerate(inv_axes) if J.call(
inv_axis, "equals", "(Ljava/lang/Object;)Z", axis)
]
if len(matches) != 1:
raise ValueError("No match for %s axis" %
J.to_string(axis))
transpose.append(matches[0])
return pixel_data.transpose(transpose)
def get_image(imageprocessor_obj, do_scaling=False):
"""Retrieve the image from an ImageProcessor
Returns the image as a numpy float array.
"""
#
# The strategy is:
# * Make a TypeConverter
# * Ask the TypeConverter for a float ImageProcessor
# * Get the pixels - should be a float array
#
type_converter = J.make_instance(
"ij/process/TypeConverter", "(Lij/process/ImageProcessor;Z)V", imageprocessor_obj, do_scaling
)
float_processor = J.call(type_converter, "convertToFloat", "([F)Lij/process/ImageProcessor;", None)
jpixels = J.call(float_processor, "getPixels", "()Ljava/lang/Object;")
pixels = J.get_env().get_float_array_elements(jpixels)
height = J.call(imageprocessor_obj, "getHeight", "()I")
width = J.call(imageprocessor_obj, "getWidth", "()I")
pixels.shape = (height, width)
return pixels
class FormatTools(object):
'''A wrapper for loci.formats.FormatTools
See http://hudson.openmicroscopy.org.uk/job/LOCI/javadoc/loci/formats/FormatTools.html
'''
env = jutil.get_env()
klass = env.find_class('loci/formats/FormatTools')
CAN_GROUP = jutil.get_static_field(klass, 'CAN_GROUP','I')
CANNOT_GROUP = jutil.get_static_field(klass, 'CANNOT_GROUP','I')
DOUBLE = jutil.get_static_field(klass, 'DOUBLE','I')
FLOAT = jutil.get_static_field(klass, 'FLOAT', 'I')
INT16 = jutil.get_static_field(klass, 'INT16', 'I')
INT32 = jutil.get_static_field(klass, 'INT32', 'I')
INT8 = jutil.get_static_field(klass, 'INT8', 'I')
MUST_GROUP = jutil.get_static_field(klass, 'MUST_GROUP', 'I')
UINT16 = jutil.get_static_field(klass, 'UINT16', 'I')
UINT32 = jutil.get_static_field(klass, 'UINT32', 'I')
UINT8 = jutil.get_static_field(klass, 'UINT8', 'I')
@classmethod
def getPixelTypeString(cls, pixel_type):
return jutil.static_call('loci/formats/FormatTools', 'getPixelTypeString', '(I)Ljava/lang/String;', pixel_type)
def get_image(imageprocessor_obj, do_scaling=False):
'''Retrieve the image from an ImageProcessor
Returns the image as a numpy float array.
'''
#
# The strategy is:
# * Make a TypeConverter
# * Ask the TypeConverter for a float ImageProcessor
# * Get the pixels - should be a float array
#
type_converter = J.make_instance('ij/process/TypeConverter',
'(Lij/process/ImageProcessor;Z)V',
imageprocessor_obj, do_scaling)
float_processor = J.call(type_converter, 'convertToFloat',
'([F)Lij/process/ImageProcessor;', None)
jpixels = J.call(float_processor, 'getPixels', '()Ljava/lang/Object;')
pixels = J.get_env().get_float_array_elements(jpixels)
height = J.call(imageprocessor_obj, 'getHeight', '()I')
width = J.call(imageprocessor_obj, 'getWidth', '()I')
pixels.shape = (height, width)
return pixels
def __init__(self):
env = jutil.get_env()
class_name = "loci/formats/ImageReader"
klass = env.find_class(class_name)
base_klass = env.find_class("loci/formats/IFormatReader")
self.o = jutil.make_instance(
"loci/formats/ClassList",
"(Ljava/lang/String;" "Ljava/lang/Class;" "Ljava/lang/Class;)V", # base # location in jar
"readers.txt",
base_klass,
klass,
)
problem_classes = [
# BDReader will read all .tif files in an experiment if it's
# called to load a .tif.
#
"loci.formats.in.BDReader"
]
for problem_class in problem_classes:
# Move to back
klass = jutil.class_for_name(problem_class)
self.remove_class(klass)
self.add_class(klass)
def convert_pixels_to_buffer(pixels, pixel_type):
'''Convert the pixels in the image into a buffer of the right pixel type
pixels - a 2d monochrome or color image
pixel_type - one of the OME pixel types
returns a 1-d byte array
'''
if pixel_type in (ome.PT_UINT8, ome.PT_INT8, ome.PT_BIT):
as_dtype = np.uint8
elif pixel_type in (ome.PT_UINT16, ome.PT_INT16):
as_dtype = "<u2"
elif pixel_type in (ome.PT_UINT32, ome.PT_INT32):
as_dtype = "<u4"
elif pixel_type == ome.PT_FLOAT:
as_dtype = "<f4"
elif pixel_type == ome.PT_DOUBLE:
as_dtype = "<f8"
else:
raise NotImplementedError("Unsupported pixel type: %d" % pixel_type)
buf = np.frombuffer(np.ascontiguousarray(pixels, as_dtype).data, np.uint8)
env = jutil.get_env()
return env.make_byte_array(buf)
def convert_pixels_to_buffer(pixels, pixel_type):
"""Convert the pixels in the image into a buffer of the right pixel type
pixels - a 2d monochrome or color image
pixel_type - one of the OME pixel types
returns a 1-d byte array
"""
if pixel_type in (ome.PT_UINT8, ome.PT_INT8, ome.PT_BIT):
as_dtype = np.uint8
elif pixel_type in (ome.PT_UINT16, ome.PT_INT16):
as_dtype = "<u2"
elif pixel_type in (ome.PT_UINT32, ome.PT_INT32):
as_dtype = "<u4"
elif pixel_type == ome.PT_FLOAT:
as_dtype = "<f4"
elif pixel_type == ome.PT_DOUBLE:
as_dtype = "<f8"
else:
raise NotImplementedError("Unsupported pixel type: %d" % pixel_type)
buf = np.frombuffer(np.ascontiguousarray(pixels, as_dtype).data, np.uint8)
env = jutil.get_env()
return env.make_byte_array(buf)
def get_image(imageprocessor_obj, do_scaling = False):
'''Retrieve the image from an ImageProcessor
Returns the image as a numpy float array.
'''
#
# The strategy is:
# * Make a TypeConverter
# * Ask the TypeConverter for a float ImageProcessor
# * Get the pixels - should be a float array
#
type_converter = J.make_instance(
'ij/process/TypeConverter', '(Lij/process/ImageProcessor;Z)V',
imageprocessor_obj, do_scaling)
float_processor = J.call(
type_converter, 'convertToFloat', '([F)Lij/process/ImageProcessor;',
None)
jpixels = J.call(
float_processor, 'getPixels', '()Ljava/lang/Object;')
pixels = J.get_env().get_float_array_elements(jpixels)
height = J.call(imageprocessor_obj, 'getHeight', '()I')
width = J.call(imageprocessor_obj, 'getWidth', '()I')
pixels.shape = (height, width)
return pixels
def getDimensions(self):
'Returns the dimensions of this image: (width, height, nChannels, nSlices, nFrames)'
jresult = J.call(self.o, 'getDimensions', '()[I')
return J.get_env().get_int_array_elements(jresult)
def prepare_run(self, workspace):
'''Initialize the pipeline's metadata'''
if workspace.pipeline.in_batch_mode():
return True
file_list = workspace.file_list
pipeline = workspace.pipeline
ipds = pipeline.get_filtered_image_plane_details(workspace)
extractor = self.build_extractor()
max_series = 0
max_index = 0
for ipd in ipds:
if ipd.series is not None:
max_series = max(max_series, ipd.series)
if ipd.index is not None:
max_index = max(max_index, ipd.index)
if max_series > 0:
series_digits = int(np.log10(max_series)) + 1
else:
series_digits = 1
if max_index > 0:
index_digits = int(np.log10(max_index)) + 1
else:
index_digits = 1
if max_series > 0 or max_index > 0:
script = """
importPackage(Packages.org.cellprofiler.imageset);
extractor.addImagePlaneExtractor(new SeriesIndexMetadataExtractor(
seriesDigits, indexDigits));
"""
J.run_script(
script,
dict(extractor=extractor,
seriesDigits=series_digits,
indexDigits=index_digits))
env = J.get_env()
entry_set_class = env.find_class("java/util/Map$Entry")
get_key_id = env.get_method_id(entry_set_class, "getKey",
"()Ljava/lang/Object;")
get_value_id = env.get_method_id(entry_set_class, "getValue",
"()Ljava/lang/Object;")
def wrap_entry_set(o):
return (env.get_string_utf(env.call_method(o, get_key_id)),
env.get_string_utf(env.call_method(o, get_value_id)))
#
# Much of what appears below is optimized to avoid the cost of
# "getting nice arguments" for the Java bridge. The IPDs should be
# in alphabetical order which means that, for stacks, we can
# save the results of OME-XML parsing in the Java ImageFile object.
#
extractor_class = env.find_class(
"org/cellprofiler/imageset/ImagePlaneMetadataExtractor")
extract_metadata_id = env.get_method_id(
extractor_class, "extractMetadata",
"(Ljava/lang/String;IILjava/lang/String;"
"[Lorg/cellprofiler/imageset/filter/ImagePlaneDetails;"
"[Lorg/cellprofiler/imageset/ImageFile;"
")Ljava/util/Iterator;")
extract_metadata_if_id = env.get_method_id(
extractor_class, "extractMetadata",
"(Lorg/cellprofiler/imageset/ImageFile;II"
"[Lorg/cellprofiler/imageset/filter/ImagePlaneDetails;"
")Ljava/util/Iterator;")
ipd_class = env.find_class(
"org/cellprofiler/imageset/filter/ImagePlaneDetails")
if_class = env.find_class("org/cellprofiler/imageset/ImageFile")
clear_xml_document_id = env.get_method_id(if_class, "clearXMLDocument",
"()V")
pIPD = env.make_object_array(1, ipd_class)
pIF = env.make_object_array(1, if_class)
last_url = None
last_if = None
if_has_metadata = False
for ipd in ipds:
series, index = [
x if x is not None else 0 for x in ipd.series, ipd.index
]
if ipd.url != last_url:
if if_has_metadata:
env.call_method(last_if, clear_xml_document_id)
x = env.exception_occurred()
if x is not None:
raise J.JavaException(x)
if_has_metadata = False
xmlmetadata = file_list.get_metadata(ipd.url)
if xmlmetadata is not None:
xmlmetadata = env.new_string_utf(xmlmetadata)
if_has_metadata = True
metadata = env.call_method(extractor, extract_metadata_id,
env.new_string_utf(ipd.url),
int(series), int(index),
xmlmetadata, pIPD, pIF)
x = env.exception_occurred()
if x is not None:
raise J.JavaException(x)
last_url = ipd.url
last_if = env.get_object_array_elements(pIF)[0]
else:
metadata = env.call_method(extractor,
extract_metadata_if_id, last_if,
int(series), int(index), pIPD)
x = env.exception_occurred()
if x is not None:
raise J.JavaException(x)
ipd.metadata.update(J.iterate_java(metadata, wrap_entry_set))
ipd.jipd = env.get_object_array_elements(pIPD)[0]
if if_has_metadata:
env.call_method(last_if, clear_xml_document_id)
x = env.exception_occurred()
if x is not None:
raise J.JavaException(x)
return True
def getDimensions(self):
"Returns the dimensions of this image: (width, height, nChannels, nSlices, nFrames)"
jresult = J.call(self.o, "getDimensions", "()[I")
return J.get_env().get_int_array_elements(jresult)
def fn(path=path, c=c, z=z, t=t, series=series, index=index,
rescale=rescale, wants_max_intensity=wants_max_intensity,
channel_names=channel_names):
FormatTools = make_format_tools_class()
ImageReader = make_image_reader_class()
ChannelSeparator = make_reader_wrapper_class(
"loci/formats/ChannelSeparator")
#
# Bioformats is more picky about slashes than Python
#
if sys.platform.startswith("win"):
path = path.replace("/",os.path.sep)
#
# Bypass the ImageReader and scroll through the class list. The
# goal here is to ask the FormatHandler if it thinks it could
# possibly parse the file, then only give the FormatReader access
# to the open file stream so it can't damage the file server.
#
env = jutil.get_env()
class_list = get_class_list()
stream = jutil.make_instance('loci/common/RandomAccessInputStream',
'(Ljava/lang/String;)V', path)
filename = os.path.split(path)[1]
IFormatReader = make_iformat_reader_class()
rdr = None
for klass in env.get_object_array_elements(class_list.get_classes()):
wclass = jutil.get_class_wrapper(klass, True)
maybe_rdr = IFormatReader()
maybe_rdr.o = wclass.newInstance()
maybe_rdr.setGroupFiles(False)
if maybe_rdr.suffixNecessary:
if not maybe_rdr.isThisTypeSZ(filename, False):
continue
if maybe_rdr.suffixSufficient:
rdr = maybe_rdr
break
if (maybe_rdr.isThisTypeStream(stream)):
rdr = maybe_rdr
break
if rdr is None:
raise ValueError("Could not find a Bio-Formats reader for %s", path)
mdoptions = metadatatools.get_metadata_options(metadatatools.ALL)
rdr.setMetadataOptions(mdoptions)
metadata = metadatatools.createOMEXMLMetadata()
rdr.setMetadataStore(metadata)
rdr.setId(path)
width = rdr.getSizeX()
height = rdr.getSizeY()
pixel_type = rdr.getPixelType()
little_endian = rdr.isLittleEndian()
if pixel_type == FormatTools.INT8:
dtype = np.char
scale = 255
elif pixel_type == FormatTools.UINT8:
dtype = np.uint8
scale = 255
elif pixel_type == FormatTools.UINT16:
dtype = '<u2' if little_endian else '>u2'
scale = 65535
elif pixel_type == FormatTools.INT16:
dtype = '<i2' if little_endian else '>i2'
scale = 65535
elif pixel_type == FormatTools.UINT32:
dtype = '<u4' if little_endian else '>u4'
scale = 2**32
elif pixel_type == FormatTools.INT32:
dtype = '<i4' if little_endian else '>i4'
scale = 2**32-1
elif pixel_type == FormatTools.FLOAT:
dtype = '<f4' if little_endian else '>f4'
scale = 1
elif pixel_type == FormatTools.DOUBLE:
dtype = '<f8' if little_endian else '>f8'
scale = 1
max_sample_value = rdr.getMetadataValue('MaxSampleValue')
if max_sample_value is not None:
try:
scale = jutil.call(max_sample_value, 'intValue', '()I')
except:
bioformats.logger.warning("WARNING: failed to get MaxSampleValue for image. Intensities may be improperly scaled.")
if series is not None:
rdr.setSeries(series)
if index is not None:
image = np.frombuffer(rdr.openBytes(index), dtype)
if len(image) / height / width in (3,4):
image.shape = (height, width, int(len(image) / height / width))
else:
image.shape = (height, width)
elif rdr.isRGB() and rdr.isInterleaved():
index = rdr.getIndex(z,0,t)
image = np.frombuffer(rdr.openBytes(index), dtype)
image.shape = (height, width, 3)
elif c is not None and rdr.getRGBChannelCount() == 1:
index = rdr.getIndex(z,c,t)
image = np.frombuffer(rdr.openBytes(index), dtype)
image.shape = (height, width)
elif rdr.getRGBChannelCount() > 1:
rdr.close()
rdr = ImageReader()
rdr.allowOpenToCheckType(False)
rdr = ChannelSeparator(rdr)
rdr.setGroupFiles(False)
rdr.setId(path)
red_image, green_image, blue_image = [
np.frombuffer(rdr.openBytes(rdr.getIndex(z,i,t)),dtype)
for i in range(3)]
image = np.dstack((red_image, green_image, blue_image))
image.shape=(height,width,3)
elif rdr.getSizeC() > 1:
images = [np.frombuffer(rdr.openBytes(rdr.getIndex(z,i,t)), dtype)
for i in range(rdr.getSizeC())]
image = np.dstack(images)
image.shape = (height, width, rdr.getSizeC())
if not channel_names is None:
metadata = metadatatools.MetadataRetrieve(metadata)
for i in range(rdr.getSizeC()):
index = rdr.getIndex(z, 0, t)
channel_name = metadata.getChannelName(index, i)
if channel_name is None:
channel_name = metadata.getChannelID(index, i)
channel_names.append(channel_name)
else:
index = rdr.getIndex(z,0,t)
image = np.frombuffer(rdr.openBytes(index),dtype)
image.shape = (height,width)
rdr.close()
jutil.call(stream, 'close', '()V')
del rdr
#
# Run the Java garbage collector here.
#
jutil.static_call("java/lang/System", "gc","()V")
if rescale:
image = image.astype(np.float32) / float(scale)
if wants_max_intensity:
return image, scale
return image
def test_03_03_cw_get_classes(self):
c = J.get_class_wrapper('java.lang.Number')
classes = c.getClasses()
self.assertEqual(len(J.get_env().get_object_array_elements(classes)), 0)
def test_03_05_cw_get_annotations(self):
c = J.get_class_wrapper('java.security.Identity')
annotations = c.getAnnotations()
annotations = J.get_env().get_object_array_elements(annotations)
self.assertEqual(len(annotations), 1)
self.assertEqual(J.to_string(annotations[0]),'@java.lang.Deprecated()')
def test_03_06_cw_get_constructors(self):
c = J.get_class_wrapper('java.lang.String')
constructors = c.getConstructors()
constructors = J.get_env().get_object_array_elements(constructors)
self.assertEqual(len(constructors), 15)
def test_03_06_cw_get_constructors(self):
c = J.get_class_wrapper('java.lang.String')
constructors = c.getConstructors()
constructors = J.get_env().get_object_array_elements(constructors)
self.assertEqual(len(constructors), 15)
def test_03_10_cw_get_methods(self):
c = J.get_class_wrapper('java.lang.String')
mmm = J.get_env().get_object_array_elements(c.getMethods())
self.assertTrue(any([J.call(m, 'getName', '()Ljava/lang/String;') == 'concat'
for m in mmm]))
def test_03_03_cw_get_classes(self):
c = J.get_class_wrapper('java.lang.Number')
classes = c.getClasses()
self.assertEqual(len(J.get_env().get_object_array_elements(classes)),
0)
def __load_using_bioformats(path, c, z, t, series, index, rescale,
wants_max_intensity, channel_names):
FormatTools = make_format_tools_class()
ImageReader = make_image_reader_class()
ChannelSeparator = make_reader_wrapper_class(
"loci/formats/ChannelSeparator")
#
# Bioformats is more picky about slashes than Python
#
if sys.platform.startswith("win"):
path = path.replace("/", os.path.sep)
#
# Bypass the ImageReader and scroll through the class list. The
# goal here is to ask the FormatHandler if it thinks it could
# possibly parse the file, then only give the FormatReader access
# to the open file stream so it can't damage the file server.
#
# Pass 0 - allow access to stream if reader believes it is the correct
# reader no matter what the file contents.
# Pass 1 - allow access to stream if reader indicates that it supports
# files with this file's suffix.
# Pass 2 - allow all readers access to the stream
#
env = jutil.get_env()
with GetImageReader(path) as rdr:
mdoptions = metadatatools.get_metadata_options(metadatatools.ALL)
rdr.setMetadataOptions(mdoptions)
rdr.setGroupFiles(False)
metadata = metadatatools.createOMEXMLMetadata()
rdr.setMetadataStore(metadata)
rdr.setId(path)
width = rdr.getSizeX()
height = rdr.getSizeY()
pixel_type = rdr.getPixelType()
little_endian = rdr.isLittleEndian()
if pixel_type == FormatTools.INT8:
dtype = np.char
scale = 255
elif pixel_type == FormatTools.UINT8:
dtype = np.uint8
scale = 255
elif pixel_type == FormatTools.UINT16:
dtype = '<u2' if little_endian else '>u2'
scale = 65535
elif pixel_type == FormatTools.INT16:
dtype = '<i2' if little_endian else '>i2'
scale = 65535
elif pixel_type == FormatTools.UINT32:
dtype = '<u4' if little_endian else '>u4'
scale = 2**32
elif pixel_type == FormatTools.INT32:
dtype = '<i4' if little_endian else '>i4'
scale = 2**32 - 1
elif pixel_type == FormatTools.FLOAT:
dtype = '<f4' if little_endian else '>f4'
scale = 1
elif pixel_type == FormatTools.DOUBLE:
dtype = '<f8' if little_endian else '>f8'
scale = 1
max_sample_value = rdr.getMetadataValue('MaxSampleValue')
if max_sample_value is not None:
try:
scale = jutil.call(max_sample_value, 'intValue', '()I')
except:
bioformats.logger.warning(
"WARNING: failed to get MaxSampleValue for image. Intensities may be improperly scaled."
)
if series is not None:
rdr.setSeries(series)
if index is not None:
image = np.frombuffer(rdr.openBytes(index), dtype)
if len(image) / height / width in (3, 4):
n_channels = int(len(image) / height / width)
if rdr.isInterleaved():
image.shape = (height, width, n_channels)
else:
image.shape = (n_channels, height, width)
image = image.transpose(1, 2, 0)
else:
image.shape = (height, width)
elif rdr.isRGB() and rdr.isInterleaved():
index = rdr.getIndex(z, 0, t)
image = np.frombuffer(rdr.openBytes(index), dtype)
image.shape = (height, width, 3)
elif c is not None and rdr.getRGBChannelCount() == 1:
index = rdr.getIndex(z, c, t)
image = np.frombuffer(rdr.openBytes(index), dtype)
image.shape = (height, width)
elif rdr.getRGBChannelCount() > 1:
n_planes = rdr.getRGBChannelCount()
rdr = ChannelSeparator(rdr)
planes = [
np.frombuffer(rdr.openBytes(rdr.getIndex(z, i, t)), dtype)
for i in range(n_planes)
]
if len(planes) > 3:
planes = planes[:3]
elif len(planes) < 3:
# > 1 and < 3 means must be 2
# see issue #775
planes.append(np.zeros(planes[0].shape, planes[0].dtype))
image = np.dstack(planes)
image.shape = (height, width, 3)
elif rdr.getSizeC() > 1:
images = [
np.frombuffer(rdr.openBytes(rdr.getIndex(z, i, t)), dtype)
for i in range(rdr.getSizeC())
]
image = np.dstack(images)
image.shape = (height, width, rdr.getSizeC())
if not channel_names is None:
metadata = metadatatools.MetadataRetrieve(metadata)
for i in range(rdr.getSizeC()):
index = rdr.getIndex(z, 0, t)
channel_name = metadata.getChannelName(index, i)
if channel_name is None:
channel_name = metadata.getChannelID(index, i)
channel_names.append(channel_name)
elif rdr.isIndexed():
#
# The image data is indexes into a color lookup-table
# But sometimes the table is the identity table and just generates
# a monochrome RGB image
#
index = rdr.getIndex(z, 0, t)
image = np.frombuffer(rdr.openBytes(index), dtype)
if pixel_type in (FormatTools.INT16, FormatTools.UINT16):
lut = rdr.get16BitLookupTable()
lut = np.array([
env.get_short_array_elements(d)
for d in env.get_object_array_elements(lut)
]).transpose()
else:
lut = rdr.get8BitLookupTable()
lut = np.array([
env.get_byte_array_elements(d)
for d in env.get_object_array_elements(lut)
]).transpose()
image.shape = (height, width)
if not np.all(lut == np.arange(lut.shape[0])[:, np.newaxis]):
image = lut[image, :]
else:
index = rdr.getIndex(z, 0, t)
image = np.frombuffer(rdr.openBytes(index), dtype)
image.shape = (height, width)
rdr.close()
if rescale:
image = image.astype(np.float32) / float(scale)
if wants_max_intensity:
return image, scale
return image
def get_id_list():
'''Get the list of IDs of open images'''
jid_list = J.static_call('ij/WindowManager', 'getIDList', '()[I')
return J.get_env().get_int_array_elements(jid_list)
def get_id_list():
'''Get the list of IDs of open images'''
jid_list = J.static_call('ij/WindowManager', 'getIDList', '()[I')
return J.get_env().get_int_array_elements(jid_list)
def prepare_run(self, workspace):
'''Initialize the pipeline's metadata'''
if workspace.pipeline.in_batch_mode():
return True
file_list = workspace.file_list
pipeline = workspace.pipeline
ipds = pipeline.get_filtered_image_plane_details(workspace)
extractor = self.build_extractor()
max_series = 0
max_index = 0
for ipd in ipds:
if ipd.series is not None:
max_series = max(max_series, ipd.series)
if ipd.index is not None:
max_index = max(max_index, ipd.index)
if max_series > 0:
series_digits = int(np.log10(max_series)) + 1
else:
series_digits = 1
if max_index > 0:
index_digits = int(np.log10(max_index)) + 1
else:
index_digits = 1
if max_series > 0 or max_index > 0:
script = """
importPackage(Packages.org.cellprofiler.imageset);
extractor.addImagePlaneExtractor(new SeriesIndexMetadataExtractor(
seriesDigits, indexDigits));
"""
J.run_script(script, dict(extractor = extractor,
seriesDigits = series_digits,
indexDigits = index_digits))
env = J.get_env()
entry_set_class = env.find_class("java/util/Map$Entry")
get_key_id = env.get_method_id(entry_set_class, "getKey", "()Ljava/lang/Object;")
get_value_id = env.get_method_id(entry_set_class, "getValue", "()Ljava/lang/Object;")
def wrap_entry_set(o):
return (env.get_string_utf(env.call_method(o, get_key_id)),
env.get_string_utf(env.call_method(o, get_value_id)))
#
# Much of what appears below is optimized to avoid the cost of
# "getting nice arguments" for the Java bridge. The IPDs should be
# in alphabetical order which means that, for stacks, we can
# save the results of OME-XML parsing in the Java ImageFile object.
#
extractor_class = env.find_class(
"org/cellprofiler/imageset/ImagePlaneMetadataExtractor")
extract_metadata_id = env.get_method_id(
extractor_class,
"extractMetadata",
"(Ljava/lang/String;IILjava/lang/String;"
"[Lorg/cellprofiler/imageset/filter/ImagePlaneDetails;"
"[Lorg/cellprofiler/imageset/ImageFile;"
")Ljava/util/Iterator;")
extract_metadata_if_id = env.get_method_id(
extractor_class,
"extractMetadata",
"(Lorg/cellprofiler/imageset/ImageFile;II"
"[Lorg/cellprofiler/imageset/filter/ImagePlaneDetails;"
")Ljava/util/Iterator;")
ipd_class = env.find_class("org/cellprofiler/imageset/filter/ImagePlaneDetails")
if_class = env.find_class("org/cellprofiler/imageset/ImageFile")
clear_xml_document_id = env.get_method_id(
if_class,
"clearXMLDocument", "()V")
pIPD = env.make_object_array(1, ipd_class)
pIF = env.make_object_array(1, if_class)
last_url = None
last_if = None
if_has_metadata = False
for ipd in ipds:
series, index = [x if x is not None else 0
for x in ipd.series, ipd.index]
if ipd.url != last_url:
if if_has_metadata:
env.call_method(last_if, clear_xml_document_id)
x = env.exception_occurred()
if x is not None:
raise J.JavaException(x)
if_has_metadata = False
xmlmetadata = file_list.get_metadata(ipd.url)
if xmlmetadata is not None:
xmlmetadata = env.new_string_utf(xmlmetadata)
if_has_metadata = True
metadata = env.call_method(extractor, extract_metadata_id,
env.new_string_utf(ipd.url),
int(series), int(index),
xmlmetadata, pIPD, pIF)
x = env.exception_occurred()
if x is not None:
raise J.JavaException(x)
last_url = ipd.url
last_if = env.get_object_array_elements(pIF)[0]
else:
metadata = env.call_method(
extractor, extract_metadata_if_id,
last_if, int(series), int(index), pIPD)
x = env.exception_occurred()
if x is not None:
raise J.JavaException(x)
ipd.metadata.update(J.iterate_java(metadata, wrap_entry_set))
ipd.jipd = env.get_object_array_elements(pIPD)[0]
if if_has_metadata:
env.call_method(last_if, clear_xml_document_id)
x = env.exception_occurred()
if x is not None:
raise J.JavaException(x)
return True
