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Define GridFinder.{,inv_}transform_xy as normal methods. #18661

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Merged
merged 1 commit into from
Oct 5, 2020
+18 −16
Merged

Define GridFinder.{,inv_}transform_xy as normal methods. #18661

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34 changes: 18 additions & 16 deletions lib/mpl_toolkits/axisartist/grid_finder.py
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Original file line number Diff line number Diff line change
Expand Up @@ -176,24 +176,26 @@ def _clip_grid_lines_and_find_ticks(self, lines, values, levs, bb):
return gi

def update_transform(self, aux_trans):
if isinstance(aux_trans, Transform):
def transform_xy(x, y):
ll1 = np.column_stack([x, y])
ll2 = aux_trans.transform(ll1)
lon, lat = ll2[:, 0], ll2[:, 1]
return lon, lat

def inv_transform_xy(x, y):
ll1 = np.column_stack([x, y])
ll2 = aux_trans.inverted().transform(ll1)
lon, lat = ll2[:, 0], ll2[:, 1]
return lon, lat

if not isinstance(aux_trans, Transform) and len(aux_trans) != 2:
raise TypeError("'aux_trans' must be either a Transform instance "
"or a pair of callables")
self._aux_transform = aux_trans

def transform_xy(self, x, y):
aux_trf = self._aux_transform
if isinstance(aux_trf, Transform):
return aux_trf.transform(np.column_stack([x, y])).T
else:
transform_xy, inv_transform_xy = aux_trans
transform_xy, inv_transform_xy = aux_trf
return transform_xy(x, y)

self.transform_xy = transform_xy
self.inv_transform_xy = inv_transform_xy
def inv_transform_xy(self, x, y):
aux_trf = self._aux_transform
if isinstance(aux_trf, Transform):
return aux_trf.inverted().transform(np.column_stack([x, y])).T
else:
transform_xy, inv_transform_xy = aux_trf
return inv_transform_xy(x, y)

def update(self, **kw):
for k in kw:
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