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ENH: Add crosshair toggling to OrthoSlicer3D #701

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Merged
merged 2 commits into from
Dec 25, 2018
Merged

ENH: Add crosshair toggling to OrthoSlicer3D #701

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78b1a56
Add toggle crosshairs
Dec 11, 2018
099d975
Update viewers.py
Dec 24, 2018
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9 changes: 7 additions & 2 deletions nibabel/viewers.py
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Original file line number Diff line number Diff line change
Expand Up @@ -69,6 +69,7 @@ def __init__(self, data, affine=None, axes=None, title=None):
mpl_patch = optional_package('matplotlib.patches')[0]
self._title = title
self._closed = False
self._cross = True

data = np.asanyarray(data)
if data.ndim < 3:
Expand Down Expand Up @@ -490,6 +491,9 @@ def _on_keypress(self, event):
new_idx = max(self._data_idx[3] - 1, 0)
self._set_volume_index(new_idx, update_slices=True)
self._draw()
elif event.key == 'ctrl+x':
self._cross = not self._cross
self._draw()

def _draw(self):
"""Update all four (or three) plots"""
Expand All @@ -498,8 +502,9 @@ def _draw(self):
for ii in range(3):
ax = self._axes[ii]
ax.draw_artist(self._ims[ii])
for line in self._crosshairs[ii].values():
ax.draw_artist(line)
if self._cross:
for line in self._crosshairs[ii].values():
ax.draw_artist(line)
ax.figure.canvas.blit(ax.bbox)
if self.n_volumes > 1 and len(self._axes) > 3:
ax = self._axes[3]
Expand Down