def transform(contours, wcs_in, wcs_out, filled=False):
system_in, equinox_in, units_in = wcs_util.system(wcs_in)
system_out, equinox_out, units_out = wcs_util.system(wcs_out)
for contour in contours.collections:
polygons_out = []
for polygon in contour.get_paths():
xp_in = polygon.vertices[:, 0]
yp_in = polygon.vertices[:, 1]
xw, yw = wcs_util.pix2world(wcs_in, xp_in, yp_in)
xw, yw = wcs_util.convert_coords(xw, yw,
input=(system_in, equinox_in),
output=(system_out, equinox_out))
xp_out, yp_out = wcs_util.world2pix(wcs_out, xw, yw)
if filled:
polygons_out.append(Path(np.array(zip(xp_out, yp_out)),codes=polygon.codes))
else:
polygons_out.append(zip(xp_out, yp_out))
if filled:
contour.set_paths(polygons_out)
else:
contour.set_verts(polygons_out)
contour.apl_converted = True
def __init__(self, parent):
# Store references to axes
self._ax1 = parent._ax1
self._ax2 = parent._ax2
self._wcs = parent._wcs
self._figure = parent._figure
# Set font
self._label_fontproperties = FontProperties()
self._ax2.yaxis.set_label_position('right')
self._ax2.xaxis.set_label_position('top')
system, equinox, units = wcs_util.system(self._wcs)
if system == 'equatorial':
if equinox == 'b1950':
self.set_xtext('RA (B1950)')
self.set_ytext('Dec (B1950)')
else:
self.set_xtext('RA (J2000)')
self.set_ytext('Dec (J2000)')
elif system == 'galactic':
self.set_xtext('Galactic Longitude')
self.set_ytext('Galactic Latitude')
else:
self.set_xtext('Ecliptic Longitude')
self.set_ytext('Ecliptic Latitude')
self.set_xposition('bottom')
self.set_yposition('left')
def __init__(self, parent):
# Store references to axes
self._ax1 = parent._ax1
self._ax2 = parent._ax2
self._wcs = parent._wcs
self._figure = parent._figure
# Set font
self._label_fontproperties = FontProperties()
self._ax2.yaxis.set_label_position('right')
self._ax2.xaxis.set_label_position('top')
system, equinox, units = wcs_util.system(self._wcs)
if system == 'equatorial':
if equinox == 'b1950':
self.set_xtext('RA (B1950)')
self.set_ytext('Dec (B1950)')
else:
self.set_xtext('RA (J2000)')
self.set_ytext('Dec (J2000)')
elif system == 'galactic':
self.set_xtext('Galactic Longitude')
self.set_ytext('Galactic Latitude')
else:
self.set_xtext('Ecliptic Longitude')
self.set_ytext('Ecliptic Latitude')
self.set_xposition('bottom')
self.set_yposition('left')
def __init__(self, parent):
# Store references to axes
self._ax1 = parent._ax1
self._ax2 = parent._ax2
self._wcs = parent._wcs
self._figure = parent._figure
# Set font
self._label_fontproperties = FontProperties()
self.set_style('plain')
system, equinox, units = wcs_util.system(self._wcs)
# Set default label format
if system == 'equatorial':
self.set_xformat("hh:mm:ss.ss")
self.set_yformat("dd:mm:ss.s")
else:
self.set_xformat("ddd.dddd")
self.set_yformat("dd.dddd")
# Set major tick formatters
fx1 = WCSFormatter(wcs=self._wcs, coord='x')
fy1 = WCSFormatter(wcs=self._wcs, coord='y')
self._ax1.xaxis.set_major_formatter(fx1)
self._ax1.yaxis.set_major_formatter(fy1)
fx2 = mpl.NullFormatter()
fy2 = mpl.NullFormatter()
self._ax2.xaxis.set_major_formatter(fx2)
self._ax2.yaxis.set_major_formatter(fy2)
def __init__(self, parent):
# Store references to axes
self._ax1 = parent._ax1
self._ax2 = parent._ax2
self._wcs = parent._wcs
self._figure = parent._figure
# Set font
self._label_fontproperties = FontProperties()
self.set_style('plain')
system, equinox, units = wcs_util.system(self._wcs)
# Set default label format
if system == 'equatorial':
self.set_xformat("hh:mm:ss.ss")
self.set_yformat("dd:mm:ss.s")
else:
self.set_xformat("ddd.dddd")
self.set_yformat("dd.dddd")
# Set major tick formatters
fx1 = WCSFormatter(wcs=self._wcs, coord='x')
fy1 = WCSFormatter(wcs=self._wcs, coord='y')
self._ax1.xaxis.set_major_formatter(fx1)
self._ax1.yaxis.set_major_formatter(fy1)
fx2 = mpl.NullFormatter()
fy2 = mpl.NullFormatter()
self._ax2.xaxis.set_major_formatter(fx2)
self._ax2.yaxis.set_major_formatter(fy2)
def __init__(self, parent):
# Store references to axes
self._ax1 = parent._ax1
self._ax2 = parent._ax2
self._wcs = parent._wcs
self._figure = parent._figure
# Set font
self._label_fontproperties = FontProperties()
self.set_style("plain")
system, equinox, units = wcs_util.system(self._wcs)
# Set default label format
if system == "equatorial":
self.set_xformat("hh:mm:ss.ss")
self.set_yformat("dd:mm:ss.s")
else:
self.set_xformat("ddd.dddd")
self.set_yformat("dd.dddd")
# Set major tick formatters
fx1 = WCSFormatter(wcs=self._wcs, coord="x")
fy1 = WCSFormatter(wcs=self._wcs, coord="y")
self._ax1.xaxis.set_major_formatter(fx1)
self._ax1.yaxis.set_major_formatter(fy1)
fx2 = mpl.NullFormatter()
fy2 = mpl.NullFormatter()
self._ax2.xaxis.set_major_formatter(fx2)
self._ax2.yaxis.set_major_formatter(fy2)
# Cursor display
self._ax1._cursor_world = True
self._figure.canvas.mpl_connect("key_press_event", self._set_cursor_prefs)
