/usr/share/pyshared/mpl_toolkits/axes_grid1/anchored_artists.py is in python-matplotlib 1.3.1-1ubuntu5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 | from matplotlib.patches import Rectangle, Ellipse
import numpy as np
from matplotlib.offsetbox import AnchoredOffsetbox, AuxTransformBox, VPacker,\
TextArea, AnchoredText, DrawingArea, AnnotationBbox
class AnchoredDrawingArea(AnchoredOffsetbox):
"""
AnchoredOffsetbox with DrawingArea
"""
def __init__(self, width, height, xdescent, ydescent,
loc, pad=0.4, borderpad=0.5, prop=None, frameon=True,
**kwargs):
"""
*width*, *height*, *xdescent*, *ydescent* : the dimensions of the DrawingArea.
*prop* : font property. This is only used for scaling the paddings.
"""
self.da = DrawingArea(width, height, xdescent, ydescent, clip=True)
self.drawing_area = self.da
super(AnchoredDrawingArea, self).__init__(loc, pad=pad, borderpad=borderpad,
child=self.da,
prop=None,
frameon=frameon,
**kwargs)
class AnchoredAuxTransformBox(AnchoredOffsetbox):
def __init__(self, transform, loc,
pad=0.4, borderpad=0.5, prop=None, frameon=True, **kwargs):
self.drawing_area = AuxTransformBox(transform)
AnchoredOffsetbox.__init__(self, loc, pad=pad, borderpad=borderpad,
child=self.drawing_area,
prop=prop,
frameon=frameon,
**kwargs)
class AnchoredEllipse(AnchoredOffsetbox):
def __init__(self, transform, width, height, angle, loc,
pad=0.1, borderpad=0.1, prop=None, frameon=True, **kwargs):
"""
Draw an ellipse the size in data coordinate of the give axes.
pad, borderpad in fraction of the legend font size (or prop)
"""
self._box = AuxTransformBox(transform)
self.ellipse = Ellipse((0,0), width, height, angle)
self._box.add_artist(self.ellipse)
AnchoredOffsetbox.__init__(self, loc, pad=pad, borderpad=borderpad,
child=self._box,
prop=prop,
frameon=frameon, **kwargs)
class AnchoredSizeBar(AnchoredOffsetbox):
def __init__(self, transform, size, label, loc,
pad=0.1, borderpad=0.1, sep=2, prop=None, frameon=True,
**kwargs):
"""
Draw a horizontal bar with the size in data coordinate of the give axes.
A label will be drawn underneath (center-aligned).
pad, borderpad in fraction of the legend font size (or prop)
sep in points.
"""
self.size_bar = AuxTransformBox(transform)
self.size_bar.add_artist(Rectangle((0,0), size, 0, fc="none"))
self.txt_label = TextArea(label, minimumdescent=False)
self._box = VPacker(children=[self.size_bar, self.txt_label],
align="center",
pad=0, sep=sep)
AnchoredOffsetbox.__init__(self, loc, pad=pad, borderpad=borderpad,
child=self._box,
prop=prop,
frameon=frameon, **kwargs)
if __name__ == "__main__":
import matplotlib.pyplot as plt
fig = plt.gcf()
fig.clf()
ax = plt.subplot(111)
offsetbox = AnchoredText("Test", loc=6, pad=0.3,
borderpad=0.3, prop=None)
xy = (0.5, 0.5)
ax.plot([0.5], [0.5], "xk")
ab = AnnotationBbox(offsetbox, xy,
xybox=(1., .5),
xycoords='data',
boxcoords=("axes fraction", "data"),
arrowprops=dict(arrowstyle="->"))
#arrowprops=None)
ax.add_artist(ab)
from matplotlib.patches import Circle
ada = AnchoredDrawingArea(20, 20, 0, 0,
loc=6, pad=0.1, borderpad=0.3, frameon=True)
p = Circle((10, 10), 10)
ada.da.add_artist(p)
ab = AnnotationBbox(ada, (0.3, 0.4),
xybox=(1., 0.4),
xycoords='data',
boxcoords=("axes fraction", "data"),
arrowprops=dict(arrowstyle="->"))
#arrowprops=None)
ax.add_artist(ab)
arr = np.arange(100).reshape((10,10))
im = AnchoredImage(arr,
loc=4,
pad=0.5, borderpad=0.2, prop=None, frameon=True,
zoom=1,
cmap = None,
norm = None,
interpolation=None,
origin=None,
extent=None,
filternorm=1,
filterrad=4.0,
resample = False,
)
ab = AnnotationBbox(im, (0.5, 0.5),
xybox=(-10., 10.),
xycoords='data',
boxcoords="offset points",
arrowprops=dict(arrowstyle="->"))
#arrowprops=None)
ax.add_artist(ab)
ax.set_xlim(0, 1)
ax.set_ylim(0, 1)
plt.draw()
plt.show()
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