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Lasso selector #730

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Merged
merged 13 commits into from
Mar 17, 2012
Merged

Lasso selector #730

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8af797d
Change cursors and selectors to subclass Widget.
tonysyu Feb 27, 2012
5b35427
Remove call to `new_axes` in SpanSelector.
tonysyu Feb 27, 2012
e37c135
Add AxesWidget class and let it initialize `ax` and `canvas` attributes.
tonysyu Feb 27, 2012
21bca27
Add `connect_event` and `disconnect_events` to AxesWidget.
tonysyu Feb 27, 2012
c8f152a
Add default ignore method and check it in callbacks.
tonysyu Feb 28, 2012
6baa65a
Fix: save correct callback ids.
tonysyu Feb 28, 2012
0f0286e
Remove duplicate code in `SpanSelector.__init__`.
tonysyu Feb 28, 2012
8345d4c
Add LassoSelector widget with demo.
tonysyu Mar 1, 2012
adb1754
DOC: Fix sphinx class references.
tonysyu Mar 2, 2012
f169460
Fix and improve docstring.
tonysyu Mar 2, 2012
c668798
Merge branch 'base-widget' into lasso-selector
tonysyu Mar 2, 2012
fe3e2b8
Use `Path.contains_point` instead of `nxutils` function.
tonysyu Mar 12, 2012
78798f1
Add docstrings for `Lasso` and `LassoSelector`.
tonysyu Mar 12, 2012
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Use Path.contains_point instead of nxutils function. 
`nxutils` is removed from master.
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@tonysyu
tonysyu committed Mar 12, 2012
commit fe3e2b870a6a2634e5267115f83c3500c6372e15
7 changes: 4 additions & 3 deletions examples/widgets/lasso_selector_demo.py
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Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
import numpy as np

from matplotlib.widgets import LassoSelector
from matplotlib.nxutils import points_inside_poly
from matplotlib.path import Path


class SelectFromCollection(object):
Expand Down Expand Up @@ -45,7 +45,8 @@ def __init__(self, ax, collection, alpha_other=0.3):
self.ind = []

def onselect(self, verts):
self.ind = np.nonzero(points_inside_poly(self.xys, verts))[0]
path = Path(verts)
self.ind = np.nonzero([path.contains_point(xy) for xy in self.xys])[0]
self.fc[:, -1] = self.alpha_other
self.fc[self.ind, -1] = 1
self.collection.set_facecolors(self.fc)
Expand Down Expand Up @@ -76,6 +77,6 @@ def disconnect(self):
print selector.xys[selector.ind]
selector.disconnect()

# Block end of script so you can check that lasso is disconnected.
# Block end of script so you can check that the lasso is disconnected.
raw_input('Press any key to quit')