def __axes_spmap(self):
for x in xrange(self.nh):
for y in xrange(self.nv):
w = self.horizontal_subplot_size
h = self.vertical_subplot_size
l = 1.0 - self.right_margin - w * (
x + 1) + 0.5 * self.horizontal_space
b = self.bottom_margin + self.ylabel_area + h * y + 0.5 * self.vertical_space
axes = pl.axes(
[l, b, w - self.horizontal_space, h - self.vertical_space])
axes.cla()
if self.showaxislabel and y == 0 and x == self.nh - 1:
casalog.post('label "{label}" unit "{unit}"'.format(
label=self.spectral_label, unit=self.spectral_unit),
priority='DEBUG')
if self.spectral_unit is not None and len(
self.spectral_unit) > 0:
spectral_label = '%s [%s]' % (self.spectral_label,
self.spectral_unit)
else:
spectral_label = self.spectral_label
axes.xaxis.set_label_text(spectral_label,
size=self.ticksize)
if self.normalization_factor < 100 and self.normalization_factor > 0.01:
label_text = 'Intensity [%s]' % self.brightnessunit
else:
label_text = 'Intensity [1e%d x %s]' % (
int(numpy.log10(self.normalization_factor)),
self.brightnessunit)
axes.yaxis.set_label_text(label_text,
size=self.ticksize,
rotation='vertical')
if self.showtick:
axes.xaxis.tick_bottom()
axes.yaxis.tick_left()
if self.showticklabel:
xlocator = pl.AutoLocator()
xlocator.set_params(nbins=6, prune='upper')
axes.xaxis.set_major_locator(xlocator)
ylocator = pl.AutoLocator()
ylocator.set_params(nbins=4)
axes.yaxis.set_major_locator(ylocator)
xformatter = pl.ScalarFormatter(useOffset=False)
axes.xaxis.set_major_formatter(xformatter)
axes.xaxis.set_tick_params(
labelsize=max(self.ticksize - 1, 1))
axes.yaxis.set_tick_params(
labelsize=max(self.ticksize - 1, 1))
if y != 0 or x != self.nh - 1:
axes.xaxis.set_major_formatter(pl.NullFormatter())
axes.yaxis.set_major_formatter(pl.NullFormatter())
else:
axes.xaxis.set_major_formatter(pl.NullFormatter())
axes.yaxis.set_major_formatter(pl.NullFormatter())
else:
axes.yaxis.set_major_locator(pl.NullLocator())
axes.xaxis.set_major_locator(pl.NullLocator())
yield axes
def locator(self):
# {{{
'''Returns a matplotlib locator object for use in plotting.'''
import pylab as pyl
scl = self.plotatts.get('plotscale', 'linear')
if scl == 'log': return pyl.LogLocator()
else: return pyl.AutoLocator()
def plot_setticks(x=True, y=True):
pl.minorticks_on()
ax = pl.gca()
if x:
ax.xaxis.set_major_locator(pl.AutoLocator())
x_major = ax.xaxis.get_majorticklocs()
dx_minor = (x_major[-1] - x_major[0]) / (len(x_major) - 1) / 5.
ax.xaxis.set_minor_locator(pl.MultipleLocator(dx_minor))
else:
pl.minorticks_off()
if y:
ax.yaxis.set_major_locator(pl.AutoLocator())
y_major = ax.yaxis.get_majorticklocs()
dy_minor = (y_major[-1] - y_major[0]) / (len(y_major) - 1) / 5.
ax.yaxis.set_minor_locator(pl.MultipleLocator(dy_minor))
else:
pl.minorticks_off()