def test_resample_on_zoom():
# For images where the aspect ratio of pixels is fixed to be square, when
# the user zooms in, the limits of the axes are actually changed twice by
# matplotlib - a second time when the aspect ratio is enforced. So we need
# to make sure that we update the modest_image when this is the case.
session = simple_session()
np.random.seed(12345)
data = Data(x=np.random.random((2048, 2048)), label='image')
session.data_collection.append(data)
image = ImageWidget(session=session)
image.add_data(data)
image.show()
image.axes.figure.canvas.key_press_event('o')
image.axes.figure.canvas.button_press_event(200, 200, 1)
image.axes.figure.canvas.motion_notify_event(400, 210)
image.axes.figure.canvas.button_release_event(400, 210, 1)
return image.axes.figure
class BaseTestSpectrumTool(object):
def setup_data(self):
self.data = Data(x=np.zeros((3, 3, 3)))
def setup_method(self, method):
self.setup_data()
session = simple_session()
session.data_collection.append(self.data)
self.image = ImageWidget(session)
self.image.add_data(self.data)
self.image.data = self.data
self.image.attribute = self.data.id['x']
self.mode = self.image.toolbar.tools['spectrum']
self.tool = self.mode._tool
self.tool.show = lambda *args: None
class BaseTestSpectrumTool(object):
def setup_data(self):
self.data = Data(x=np.zeros((3, 3, 3)))
def setup_method(self, method):
self.setup_data()
session = simple_session()
session.data_collection.append(self.data)
self.image = ImageWidget(session)
self.image.add_data(self.data)
self.image.data = self.data
self.image.attribute = self.data.id['x']
self.mode = self.image.toolbar.tools['spectrum']
self.tool = self.mode._tool
self.tool.show = lambda *args: None
class BaseTestSpectrumTool(object):
def setup_data(self):
self.data = Data(x=np.zeros((3, 3, 3)))
def setup_method(self, method):
self.setup_data()
session = simple_session()
session.data_collection.append(self.data)
self.image = ImageWidget(session)
self.image.add_data(self.data)
self.image.data = self.data
self.image.attribute = self.data.id['x']
for tool in self.image._tools:
if isinstance(tool, SpectrumTool):
self.tool = tool
break
else:
raise Exception("SpectrumTool not found")
self.tool.show = lambda *args: None
class BaseTestSpectrumTool(object):
def setup_data(self):
self.data = Data(x=np.zeros((3, 3, 3)))
def setup_method(self, method):
self.setup_data()
session = simple_session()
session.data_collection.append(self.data)
self.image = ImageWidget(session)
self.image.add_data(self.data)
self.image.data = self.data
self.image.attribute = self.data.id["x"]
for tool in self.image._tools:
if isinstance(tool, SpectrumTool):
self.tool = tool
break
else:
raise Exception("SpectrumTool not found")
self.tool.show = lambda *args: None