def set_image(self, image=None, wcs=None, **kwargs):
"""
Update the image shown in the widget
"""
if self._im is not None:
self._im.remove()
self._im = None
kwargs.setdefault('origin', 'upper')
if wcs is not None:
# In the following we force the color and linewith of the WCSAxes
# frame to be restored after calling reset_wcs. This can be removed
# once we support Astropy 1.3.1 or later.
color = self._axes.coords.frame.get_color()
linewidth = self._axes.coords.frame.get_linewidth()
self._axes.reset_wcs(wcs)
self._axes.coords.frame.set_color(color)
self._axes.coords.frame.set_linewidth(linewidth)
del color, linewidth
self._im = imshow(self._axes, image, norm=self._norm, cmap='gray', **kwargs)
self._im_array = image
self._wcs = wcs
self._redraw()
def set_image(self, image=None, wcs=None, **kwargs):
"""
Update the image shown in the widget
"""
if self._im is not None:
self._im.remove()
self._im = None
kwargs.setdefault('origin', 'upper')
if wcs is not None:
# In the following we force the color and linewith of the WCSAxes
# frame to be restored after calling reset_wcs. This can be removed
# once we support Astropy 1.3.1 or later.
color = self._axes.coords.frame.get_color()
linewidth = self._axes.coords.frame.get_linewidth()
self._axes.reset_wcs(wcs)
self._axes.coords.frame.set_color(color)
self._axes.coords.frame.set_linewidth(linewidth)
del color, linewidth
self._im = imshow(self._axes,
image,
norm=self._norm,
cmap='gray',
**kwargs)
self._im_array = image
self._wcs = wcs
self._redraw()
def set_image(self, image=None, wcs=None, **kwargs):
"""
Update the image shown in the widget
"""
if self._im is not None:
self._im.remove()
self._im = None
kwargs.setdefault('origin', 'upper')
self._composite.set('image',
array=image,
color=colormaps.members[0][1])
self._im = imshow(self._axes, self._composite, **kwargs)
self._im_array = image
self._set_norm(self._contrast_mode)
if 'extent' in kwargs:
self.axes.set_xlim(kwargs['extent'][:2])
self.axes.set_ylim(kwargs['extent'][2:])
else:
ny, nx = image.shape
self.axes.set_xlim(-0.5, nx - 0.5)
self.axes.set_ylim(-0.5, ny - 0.5)
# FIXME: for a reason I don't quite understand, dataLim doesn't
# get updated immediately here, which means that there are then
# issues in the first draw of the image (the limits are such that
# only part of the image is shown). We just set dataLim manually
# to avoid this issue. This is also done in ImageViewer.
self.axes.dataLim.intervalx = self.axes.get_xlim()
self.axes.dataLim.intervaly = self.axes.get_ylim()
self._redraw()
def __init__(self, axes, viewer_state, layer_state=None, layer=None):
super(ImageSubsetLayerArtist, self).__init__(axes, viewer_state,
layer_state=layer_state, layer=layer)
self.subset_array = ImageSubsetArray(self._viewer_state, self)
self.image_artist = imshow(self.axes, self.subset_array,
origin='lower', interpolation='nearest',
vmin=0, vmax=1, aspect=self._viewer_state.aspect)
self.mpl_artists = [self.image_artist]
def __init__(self, session, parent=None, state=None):
super(ImageViewer, self).__init__(session, parent=parent, wcs=True, state=state)
self.axes.set_adjustable('datalim')
self.state.add_callback('x_att', self._set_wcs)
self.state.add_callback('y_att', self._set_wcs)
self.state.add_callback('slices', self._on_slice_change)
self.state.add_callback('reference_data', self._set_wcs)
self.axes._composite = CompositeArray()
self.axes._composite_image = imshow(self.axes, self.axes._composite,
origin='lower', interpolation='nearest')
self._set_wcs()
def __init__(self, session, parent=None, state=None):
super(ImageViewer, self).__init__(session, parent=parent, wcs=True, state=state)
self.axes.set_adjustable('datalim')
self.state.add_callback('x_att', self._set_wcs)
self.state.add_callback('y_att', self._set_wcs)
self.state.add_callback('slices', self._set_wcs)
self.state.add_callback('reference_data', self._set_wcs)
self.axes._composite = CompositeArray()
self.axes._composite_image = imshow(self.axes, self.axes._composite,
origin='lower', interpolation='nearest')
self._set_wcs()
def setup_callbacks(self):
self._wcs_set = False
self._changing_slice_requires_wcs_update = None
self.axes.set_adjustable('datalim')
self.state.add_callback('x_att', self._set_wcs)
self.state.add_callback('y_att', self._set_wcs)
self.state.add_callback('slices', self._on_slice_change)
self.state.add_callback('reference_data', self._set_wcs)
self.axes._composite = CompositeArray()
self.axes._composite_image = imshow(self.axes, self.axes._composite,
origin='lower', interpolation='nearest')
self._set_wcs()
def setup_callbacks(self):
self._wcs_set = False
self._changing_slice_requires_wcs_update = None
self.axes.set_adjustable('datalim')
self.state.add_callback('x_att', self._set_wcs)
self.state.add_callback('y_att', self._set_wcs)
self.state.add_callback('slices', self._on_slice_change)
self.state.add_callback('reference_data', self._set_wcs)
self.axes._composite = CompositeArray()
self.axes._composite_image = imshow(self.axes,
self.axes._composite,
origin='lower',
interpolation='nearest')
self._set_wcs()
def set_image(self, image=None, wcs=None, **kwargs):
"""
Update the image shown in the widget
"""
if self._im is not None:
self._im.remove()
self._im = None
kwargs.setdefault('origin', 'upper')
if wcs is not None:
self._axes.reset_wcs(wcs)
self._im = imshow(self._axes, image, norm=self._norm, cmap='gray', **kwargs)
self._im_array = image
self._wcs = wcs
self._redraw()
def set_image(self, image=None, wcs=None, **kwargs):
"""
Update the image shown in the widget
"""
if self._im is not None:
self._im.remove()
self._im = None
kwargs.setdefault('origin', 'upper')
if wcs is not None:
self._axes.reset_wcs(wcs)
self._im = imshow(self._axes, image, norm=self._norm, cmap='gray', **kwargs)
self._im_array = image
self._wcs = wcs
self._redraw()
def __init__(self, axes, viewer_state, layer_state=None, layer=None):
super(ImageSubsetLayerArtist, self).__init__(axes,
viewer_state,
layer_state=layer_state,
layer=layer)
self.subset_array = ImageSubsetArray(self._viewer_state, self)
self.image_artist = imshow(self.axes,
self.subset_array,
origin='lower',
interpolation='nearest',
vmin=0,
vmax=1,
aspect=self._viewer_state.aspect)
self.mpl_artists = [self.image_artist]
def set_image(self, image=None, wcs=None, **kwargs):
"""
Update the image shown in the widget
"""
if self._im is not None:
self._im.remove()
self._im = None
kwargs.setdefault('origin', 'upper')
if wcs is not None:
# In the following we force the color and linewith of the WCSAxes
# frame to be restored after calling reset_wcs. This can be removed
# once we support Astropy 1.3.1 or later.
color = self._axes.coords.frame.get_color()
linewidth = self._axes.coords.frame.get_linewidth()
self._axes.reset_wcs(wcs)
self._axes.coords.frame.set_color(color)
self._axes.coords.frame.set_linewidth(linewidth)
del color, linewidth
self._composite.set('image',
array=image,
color=colormaps.members[0][1])
self._im = imshow(self._axes, self._composite, **kwargs)
self._im_array = image
self._set_norm(self._contrast_mode)
if 'extent' in kwargs:
self.axes.set_xlim(kwargs['extent'][:2])
self.axes.set_ylim(kwargs['extent'][2:])
else:
ny, nx = image.shape
self.axes.set_xlim(-0.5, nx - 0.5)
self.axes.set_ylim(-0.5, ny - 0.5)
# FIXME: for a reason I don't quite understand, dataLim doesn't
# get updated immediately here, which means that there are then
# issues in the first draw of the image (the limits are such that
# only part of the image is shown). We just set dataLim manually
# to avoid this issue. This is also done in ImageViewer.
self.axes.dataLim.intervalx = self.axes.get_xlim()
self.axes.dataLim.intervaly = self.axes.get_ylim()
self._redraw()
def set_image(self, image=None, wcs=None, **kwargs):
"""
Update the image shown in the widget
"""
if self._im is not None:
self._im.remove()
self._im = None
kwargs.setdefault('origin', 'upper')
if wcs is not None:
# In the following we force the color and linewith of the WCSAxes
# frame to be restored after calling reset_wcs. This can be removed
# once we support Astropy 1.3.1 or later.
color = self._axes.coords.frame.get_color()
linewidth = self._axes.coords.frame.get_linewidth()
self._axes.reset_wcs(wcs)
self._axes.coords.frame.set_color(color)
self._axes.coords.frame.set_linewidth(linewidth)
del color, linewidth
self._composite.set('image', array=image, color=colormaps.members[0][1])
self._im = imshow(self._axes, self._composite, **kwargs)
self._im_array = image
self._set_norm(self._contrast_mode)
if 'extent' in kwargs:
self.axes.set_xlim(kwargs['extent'][:2])
self.axes.set_ylim(kwargs['extent'][2:])
else:
ny, nx = image.shape
self.axes.set_xlim(-0.5, nx - 0.5)
self.axes.set_ylim(-0.5, ny - 0.5)
# FIXME: for a reason I don't quite understand, dataLim doesn't
# get updated immediately here, which means that there are then
# issues in the first draw of the image (the limits are such that
# only part of the image is shown). We just set dataLim manually
# to avoid this issue. This is also done in ImageViewer.
self.axes.dataLim.intervalx = self.axes.get_xlim()
self.axes.dataLim.intervaly = self.axes.get_ylim()
self._redraw()
