def _switch_ds(self, new_ds, data_source=None):
old_object = self.data_source
name = old_object._type_name
kwargs = {n: getattr(old_object, n) for n in old_object._con_args}
kwargs["center"] = getattr(old_object, "center", None)
if data_source is not None:
if name != "proj":
raise RuntimeError("The data_source keyword argument "
"is only defined for projections.")
kwargs["data_source"] = data_source
self.ds = new_ds
# A _hack_ for ParticleProjectionPlots
if name == "Particle":
from yt.visualization.particle_plots import (
ParticleAxisAlignedDummyDataSource, )
new_object = ParticleAxisAlignedDummyDataSource(ds=self.ds,
**kwargs)
else:
new_object = getattr(new_ds, name)(**kwargs)
self.data_source = new_object
for d in "xyz":
lim_name = d + "lim"
if hasattr(self, lim_name):
lim = getattr(self, lim_name)
lim = tuple(new_ds.quan(l.value, str(l.units)) for l in lim)
setattr(self, lim_name, lim)
self.plots.data_source = new_object
self._background_color.data_source = new_object
self._colorbar_label.data_source = new_object
self._setup_plots()
def _switch_ds(self, new_ds, data_source=None):
old_object = self.data_source
name = old_object._type_name
kwargs = dict((n, getattr(old_object, n))
for n in old_object._con_args)
kwargs['center'] = getattr(old_object, 'center', None)
if data_source is not None:
if name != "proj":
raise RuntimeError("The data_source keyword argument "
"is only defined for projections.")
kwargs['data_source'] = data_source
self.ds = new_ds
# A _hack_ for ParticleProjectionPlots
if name == 'Particle':
from yt.visualization.particle_plots import \
ParticleAxisAlignedDummyDataSource
new_object = ParticleAxisAlignedDummyDataSource(ds=self.ds, **kwargs)
else:
new_object = getattr(new_ds, name)(**kwargs)
self.data_source = new_object
self._data_valid = self._plot_valid = False
for d in 'xyz':
lim_name = d+'lim'
if hasattr(self, lim_name):
lim = getattr(self, lim_name)
lim = tuple(new_ds.quan(l.value, str(l.units)) for l in lim)
setattr(self, lim_name, lim)
self.plots.data_source = new_object
self._colorbar_label.data_source = new_object
self._setup_plots()