Revision: 8034
http://matplotlib.svn.sourceforge.net/matplotlib/?rev=8034&view=rev
Author: astraw
Date: 2009-12-15 02:57:46 +0000 (Tue, 15 Dec 2009)
Log Message:
-----------
Add patch_artist kwarg to boxplot
Modified Paths:
--------------
trunk/matplotlib/CHANGELOG
trunk/matplotlib/examples/pylab_examples/boxplot_demo2.py
trunk/matplotlib/lib/matplotlib/axes.py
trunk/matplotlib/lib/matplotlib/pyplot.py
Modified: trunk/matplotlib/CHANGELOG
===================================================================
--- trunk/matplotlib/CHANGELOG 2009-12-15 02:57:32 UTC (rev 8033)
+++ trunk/matplotlib/CHANGELOG 2009-12-15 02:57:46 UTC (rev 8034)
@@ -1,3 +1,6 @@
+2009-12-14 Add patch_artist kwarg to boxplot, but keep old default.
+ Convert boxplot_demo2.py to use the new patch_artist. - ADS
+
2009-12-06 axes_grid: reimplemented AxisArtist with FloatingAxes support.
Added new examples. - JJL
Modified: trunk/matplotlib/examples/pylab_examples/boxplot_demo2.py
===================================================================
--- trunk/matplotlib/examples/pylab_examples/boxplot_demo2.py 2009-12-15
02:57:32 UTC (rev 8033)
+++ trunk/matplotlib/examples/pylab_examples/boxplot_demo2.py 2009-12-15
02:57:46 UTC (rev 8034)
@@ -42,8 +42,8 @@
ax1 = fig.add_subplot(111)
plt.subplots_adjust(left=0.075, right=0.95, top=0.9, bottom=0.25)
-bp = plt.boxplot(data, notch=0, sym='+', vert=1, whis=1.5)
-plt.setp(bp['boxes'], color='black')
+bp = plt.boxplot(data, notch=0, sym='+', vert=1, whis=1.5, patch_artist=True)
+plt.setp(bp['boxes'], edgecolor='black')
plt.setp(bp['whiskers'], color='black')
plt.setp(bp['fliers'], color='red', marker='+')
@@ -64,25 +64,12 @@
medians = range(numBoxes)
for i in range(numBoxes):
box = bp['boxes'][i]
- boxX = []
- boxY = []
- for j in range(5):
- boxX.append(box.get_xdata()[j])
- boxY.append(box.get_ydata()[j])
- boxCoords = zip(boxX,boxY)
- # Alternate between Dark Khaki and Royal Blue
k = i % 2
- boxPolygon = Polygon(boxCoords, facecolor=boxColors[k])
- ax1.add_patch(boxPolygon)
- # Now draw the median lines back over what we just filled in
+ # Set the box colors
+ box.set_facecolor(boxColors[k])
+ # Now get the medians
med = bp['medians'][i]
- medianX = []
- medianY = []
- for j in range(2):
- medianX.append(med.get_xdata()[j])
- medianY.append(med.get_ydata()[j])
- plt.plot(medianX, medianY, 'k')
- medians[i] = medianY[0]
+ medians[i] = med.get_ydata()[0]
# Finally, overplot the sample averages, with horixzontal alignment
# in the center of each box
plt.plot([np.average(med.get_xdata())], [np.average(data[i])],
Modified: trunk/matplotlib/lib/matplotlib/axes.py
===================================================================
--- trunk/matplotlib/lib/matplotlib/axes.py 2009-12-15 02:57:32 UTC (rev
8033)
+++ trunk/matplotlib/lib/matplotlib/axes.py 2009-12-15 02:57:46 UTC (rev
8034)
@@ -21,6 +21,7 @@
import matplotlib.legend as mlegend
import matplotlib.lines as mlines
import matplotlib.mlab as mlab
+import matplotlib.path as mpath
import matplotlib.patches as mpatches
import matplotlib.spines as mspines
import matplotlib.quiver as mquiver
@@ -4892,12 +4893,12 @@
return (l0, caplines, barcols)
def boxplot(self, x, notch=0, sym='b+', vert=1, whis=1.5,
- positions=None, widths=None):
+ positions=None, widths=None, patch_artist=False):
"""
call signature::
boxplot(x, notch=0, sym='+', vert=1, whis=1.5,
- positions=None, widths=None)
+ positions=None, widths=None, patch_artist=False)
Make a box and whisker plot for each column of *x* or each
vector in sequence *x*. The box extends from the lower to
@@ -4905,6 +4906,8 @@
The whiskers extend from the box to show the range of the
data. Flier points are those past the end of the whiskers.
+ *x* is an array or a sequence of vectors.
+
- *notch* = 0 (default) produces a rectangular box plot.
- *notch* = 1 will produce a notched box plot
@@ -4927,7 +4930,8 @@
each box. The default is 0.5, or ``0.15*(distance between extreme
positions)`` if that is smaller.
- *x* is an array or a sequence of vectors.
+ - *patch_artist* = False (default) produces boxes with the Line2D
artist
+ - *patch_artist* = True produces boxes with the Patch artist
Returns a dictionary mapping each component of the boxplot
to a list of the :class:`matplotlib.lines.Line2D`
@@ -5045,23 +5049,55 @@
med_x = [cap_x_min, cap_x_max]
med_y = [med, med]
+ def to_vc(xs,ys):
+ # convert arguments to verts and codes
+ verts = []
+ #codes = []
+ for xi,yi in zip(xs,ys):
+ verts.append( (xi,yi) )
+ verts.append( (0,0) ) # ignored
+ codes = [mpath.Path.MOVETO] + \
+ [mpath.Path.LINETO]*(len(verts)-2) + \
+ [mpath.Path.CLOSEPOLY]
+ return verts,codes
+
+ def patch_list(xs,ys):
+ verts,codes = to_vc(xs,ys)
+ path = mpath.Path( verts, codes )
+ patch = mpatches.PathPatch(path)
+ self.add_artist(patch)
+ return [patch]
+
# vertical or horizontal plot?
if vert:
def doplot(*args):
return self.plot(*args)
+ def dopatch(xs,ys):
+ return patch_list(xs,ys)
else:
def doplot(*args):
shuffled = []
for i in xrange(0, len(args), 3):
shuffled.extend([args[i+1], args[i], args[i+2]])
return self.plot(*shuffled)
+ def dopatch(xs,ys):
+ xs,ys = ys,xs # flip X, Y
+ return patch_list(xs,ys)
+ if patch_artist:
+ median_color = 'k'
+ else:
+ median_color = 'r'
+
whiskers.extend(doplot(wisk_x, [q1, wisk_lo], 'b--',
wisk_x, [q3, wisk_hi], 'b--'))
caps.extend(doplot(cap_x, [wisk_hi, wisk_hi], 'k-',
cap_x, [wisk_lo, wisk_lo], 'k-'))
- boxes.extend(doplot(box_x, box_y, 'b-'))
- medians.extend(doplot(med_x, med_y, 'r-'))
+ if patch_artist:
+ boxes.extend(dopatch(box_x, box_y))
+ else:
+ boxes.extend(doplot(box_x, box_y, 'b-'))
+ medians.extend(doplot(med_x, med_y, median_color+'-'))
fliers.extend(doplot(flier_hi_x, flier_hi, sym,
flier_lo_x, flier_lo, sym))
Modified: trunk/matplotlib/lib/matplotlib/pyplot.py
===================================================================
--- trunk/matplotlib/lib/matplotlib/pyplot.py 2009-12-15 02:57:32 UTC (rev
8033)
+++ trunk/matplotlib/lib/matplotlib/pyplot.py 2009-12-15 02:57:46 UTC (rev
8034)
@@ -1767,7 +1767,8 @@
# This function was autogenerated by boilerplate.py. Do not edit as
# changes will be lost
@autogen_docstring(Axes.boxplot)
-def boxplot(x, notch=0, sym='b+', vert=1, whis=1.5, positions=None,
widths=None, hold=None):
+def boxplot(x, notch=0, sym='b+', vert=1, whis=1.5, positions=None,
widths=None,
+ hold=None, patch_artist=False):
ax = gca()
# allow callers to override the hold state by passing hold=True|False
washold = ax.ishold()
@@ -1775,7 +1776,8 @@
if hold is not None:
ax.hold(hold)
try:
- ret = ax.boxplot(x, notch, sym, vert, whis, positions, widths)
+ ret = ax.boxplot(x, notch, sym, vert, whis, positions, widths,
+ patch_artist=patch_artist)
draw_if_interactive()
finally:
ax.hold(washold)
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