Revision: 6437
http://matplotlib.svn.sourceforge.net/matplotlib/?rev=6437&view=rev
Author: jdh2358
Date: 2008-11-23 19:56:37 +0000 (Sun, 23 Nov 2008)
Log Message:
-----------
moved fill_between to axes/pyplot method
Modified Paths:
--------------
trunk/matplotlib/boilerplate.py
trunk/matplotlib/doc/_templates/index.html
trunk/matplotlib/examples/api/fill_where_demo.py
trunk/matplotlib/examples/pylab_examples/fill_between.py
trunk/matplotlib/lib/matplotlib/axes.py
trunk/matplotlib/lib/matplotlib/collections.py
trunk/matplotlib/lib/matplotlib/pyplot.py
Added Paths:
-----------
trunk/matplotlib/examples/api/span_regions.py
Modified: trunk/matplotlib/boilerplate.py
===================================================================
--- trunk/matplotlib/boilerplate.py 2008-11-23 19:18:24 UTC (rev 6436)
+++ trunk/matplotlib/boilerplate.py 2008-11-23 19:56:37 UTC (rev 6437)
@@ -64,6 +64,7 @@
'csd',
'errorbar',
'fill',
+ 'fill_between',
'hexbin',
'hist',
'hlines',
Modified: trunk/matplotlib/doc/_templates/index.html
===================================================================
--- trunk/matplotlib/doc/_templates/index.html 2008-11-23 19:18:24 UTC (rev
6436)
+++ trunk/matplotlib/doc/_templates/index.html 2008-11-23 19:56:37 UTC (rev
6437)
@@ -409,8 +409,21 @@
</td>
</tr>
+
<tr>
<th align="left">
+ <a
href="api/pyplot_api.html#matplotlib.pyplot.fill_between">fill_between</a>
+
+ </th>
+
+ <td align="left">
+ make filled polygons between two curves
+ </td>
+
+ </tr>
+
+ <tr>
+ <th align="left">
<a href="api/pyplot_api.html#matplotlib.pyplot.findobj">findobj</a>
</th>
Modified: trunk/matplotlib/examples/api/fill_where_demo.py
===================================================================
--- trunk/matplotlib/examples/api/fill_where_demo.py 2008-11-23 19:18:24 UTC
(rev 6436)
+++ trunk/matplotlib/examples/api/fill_where_demo.py 2008-11-23 19:56:37 UTC
(rev 6437)
@@ -17,7 +17,7 @@
fig = plt.figure()
ax = fig.add_subplot(111)
ax.set_title('using fill_between_where')
-ax.plot(t, s1, t, s2)
+ax.plot(t, s1, t, s2, color='black')
ax.axhline(0, color='black', lw=2)
collection = collections.PolyCollection.fill_between_where(
@@ -32,7 +32,7 @@
fig = plt.figure()
ax = fig.add_subplot(111)
ax.set_title('using span_where')
-ax.plot(t, s1, '-')
+ax.plot(t, s1, , color='black')
ax.axhline(0, color='black', lw=2)
collection = collections.BrokenBarHCollection.span_where(
Added: trunk/matplotlib/examples/api/span_regions.py
===================================================================
--- trunk/matplotlib/examples/api/span_regions.py
(rev 0)
+++ trunk/matplotlib/examples/api/span_regions.py 2008-11-23 19:56:37 UTC
(rev 6437)
@@ -0,0 +1,38 @@
+"""
+Illustrate some helper functions for shading regions where a logical
+mask is True
+
+See :meth:`matplotlib.collections.BrokenBarHCollection.span_where`
+"""
+import numpy as np
+import matplotlib.pyplot as plt
+import matplotlib.collections as collections
+
+
+t = np.arange(0.0, 2, 0.01)
+s1 = np.sin(2*np.pi*t)
+s2 = 1.2*np.sin(4*np.pi*t)
+
+
+fig = plt.figure()
+ax = fig.add_subplot(111)
+ax.set_title('using span_where')
+ax.plot(t, s1, color='black')
+ax.axhline(0, color='black', lw=2)
+
+collection = collections.BrokenBarHCollection.span_where(
+ t, ymin=0, ymax=1, where=s1>0, facecolor='green', alpha=0.5)
+ax.add_collection(collection)
+
+collection = collections.BrokenBarHCollection.span_where(
+ t, ymin=-1, ymax=0, where=s1<0, facecolor='red', alpha=0.5)
+ax.add_collection(collection)
+
+
+
+plt.show()
+
+
+
+
+
Modified: trunk/matplotlib/examples/pylab_examples/fill_between.py
===================================================================
--- trunk/matplotlib/examples/pylab_examples/fill_between.py 2008-11-23
19:18:24 UTC (rev 6436)
+++ trunk/matplotlib/examples/pylab_examples/fill_between.py 2008-11-23
19:56:37 UTC (rev 6437)
@@ -3,27 +3,31 @@
from pylab import figure, show
import numpy as np
-x = np.arange(0, 2, 0.01)
+x = np.arange(0.0, 2, 0.01)
y1 = np.sin(2*np.pi*x)
-y2 = np.sin(4*np.pi*x) + 2
+y2 = 1.2*np.sin(4*np.pi*x)
fig = figure()
-ax = fig.add_subplot(311)
-ax2 = fig.add_subplot(312)
-ax3 = fig.add_subplot(313)
+ax1 = fig.add_subplot(311)
+ax2 = fig.add_subplot(312, sharex=ax1)
+ax3 = fig.add_subplot(313, sharex=ax1)
+ax1.fill_between(x, 0, y1)
+ax1.set_ylabel('between y1 and 0')
-xs, ys = mlab.poly_between(x, 0, y1)
-ax.fill(xs, ys)
-ax.set_ylabel('between y1 and 0')
-
-xs, ys = mlab.poly_between(x, y1, 1)
-ax2.fill(xs, ys)
+ax2.fill_between(x, y1, 1)
ax2.set_ylabel('between y1 and 1')
-xs, ys = mlab.poly_between(x, y1, y2)
-ax3.fill(xs, ys)
+ax3.fill_between(x, y1, y2)
ax3.set_ylabel('between y1 and y2')
ax3.set_xlabel('x')
+
+fig = figure()
+ax = fig.add_subplot(111)
+ax1.plot(x, y1, x, y2, color='black')
+ax.fill_between(x, y1, y2, where=y2>y1, facecolor='green')
+ax.fill_between(x, y1, y2, where=y2<=y1, facecolor='red')
+ax.set_title('fill between where')
+
show()
Modified: trunk/matplotlib/lib/matplotlib/axes.py
===================================================================
--- trunk/matplotlib/lib/matplotlib/axes.py 2008-11-23 19:18:24 UTC (rev
6436)
+++ trunk/matplotlib/lib/matplotlib/axes.py 2008-11-23 19:56:37 UTC (rev
6437)
@@ -1302,6 +1302,7 @@
if autolim:
if collection._paths and len(collection._paths):
self.update_datalim(collection.get_datalim(self.transData))
+
collection._remove_method = lambda h: self.collections.remove(h)
def add_line(self, line):
@@ -5456,12 +5457,8 @@
supports are supported by the fill format string.
If you would like to fill below a curve, eg. shade a region
- between 0 and *y* along *x*, use
- :func:`~matplotlib.pylab.poly_between`, eg.::
+ between 0 and *y* along *x*, use :meth:`fill_between`
- xs, ys = poly_between(x, 0, y)
- axes.fill(xs, ys, facecolor='red', alpha=0.5)
-
The *closed* kwarg will close the polygon when *True* (default).
kwargs control the Polygon properties:
@@ -5472,9 +5469,6 @@
.. plot:: mpl_examples/pylab_examples/fill_demo.py
- .. seealso::
- :file:`examples/pylab_examples/fill_between.py`:
- For more examples.
"""
if not self._hold: self.cla()
@@ -5486,6 +5480,92 @@
return patches
fill.__doc__ = cbook.dedent(fill.__doc__) % martist.kwdocd
+ def fill_between(self, x, y1, y2=0, where=None, **kwargs):
+ """
+ call signature::
+
+ fill_between(x, y1, y2=0, where=None, **kwargs)
+
+ Create a :class:`~matplotlib.collectionsPolyCollection`
+ filling the regions between *y1* and *y2* where
+ ``where==True``
+
+ *x*
+ an N length np array of the x data
+
+ *y1*
+ an N length scalar or np array of the x data
+
+ *y2*
+ an N length scalar or np array of the x data
+
+ *where*
+ if None, default to fill between everywhere. If not None,
+ it is a a N length numpy boolean array and the fill will
+ only happen over the regions where ``where==True``
+
+ *kwargs*
+ keyword args passed on to the :class:`PolyCollection`
+
+ .. seealso::
+ :file:`examples/pylab_examples/fill_between.py`:
+ For more examples.
+
+ kwargs control the Polygon properties:
+
+ %(PolyCollection)s
+
+ """
+ x = np.asarray(x)
+ if not cbook.iterable(y1):
+ y1 = np.ones_like(x)*y1
+
+ if not cbook.iterable(y2):
+ y2 = np.ones_like(x)*y2
+
+ if where is None:
+ where = np.ones(len(x), np.bool)
+
+ y1 = np.asarray(y1)
+ y2 = np.asarray(y2)
+ where = np.asarray(where)
+ assert( (len(x)==len(y1)) and (len(x)==len(y2)) and len(x)==len(where))
+
+ polys = []
+ for ind0, ind1 in mlab.contiguous_regions(where):
+ theseverts = []
+ xslice = x[ind0:ind1]
+ y1slice = y1[ind0:ind1]
+ y2slice = y2[ind0:ind1]
+
+ if not len(xslice):
+ continue
+
+ N = len(xslice)
+ X = np.zeros((2*N+2, 2), np.float)
+
+ # the purpose of the next two lines is for when y2 is a
+ # scalar like 0 and we want the fill to go all the way
+ # down to 0 even if none of the y1 sample points do
+ X[0] = xslice[0], y2slice[0]
+ X[N+1] = xslice[-1], y2slice[-1]
+
+ X[1:N+1,0] = xslice
+ X[1:N+1,1] = y1slice
+ X[N+2:,0] = xslice[::-1]
+ X[N+2:,1] = y2slice[::-1]
+
+ polys.append(X)
+
+ collection = mcoll.PolyCollection(polys, **kwargs)
+
+ self.update_datalim_numerix(x[where], y1[where])
+ self.update_datalim_numerix(x[where], y2[where])
+ self.add_collection(collection)
+ self.autoscale_view()
+ return collection
+ fill_between.__doc__ = cbook.dedent(fill_between.__doc__) % martist.kwdocd
+
#### plotting z(x,y): imshow, pcolor and relatives, contour
def imshow(self, X, cmap=None, norm=None, aspect=None,
Modified: trunk/matplotlib/lib/matplotlib/collections.py
===================================================================
--- trunk/matplotlib/lib/matplotlib/collections.py 2008-11-23 19:18:24 UTC
(rev 6436)
+++ trunk/matplotlib/lib/matplotlib/collections.py 2008-11-23 19:56:37 UTC
(rev 6437)
@@ -673,66 +673,6 @@
return Collection.draw(self, renderer)
- @staticmethod
- def fill_between_where(x, y1, y2, where, **kwargs):
- """
- Create a :class:`PolyCollection` filling the regions between *y*
- and *yboundary7* where ``where==True``
-
-
- *x*
- an N length np array of the x data
-
- *y1*
- an N length scalar or np array of the x data
-
- *y2*
- an N length scalar or np array of the x data
-
- *where*
- an N length numpy boolean array
-
- *kwargs*
- keyword args passed on to the :class:`PolyCollection`
-
- """
- if not cbook.iterable(y1):
- y1 = np.ones_like(x)*y1
-
- if not cbook.iterable(y2):
- y2 = np.ones_like(x)*y2
-
- assert( (len(x)==len(y1)) and (len(x)==len(y2)) )
-
- polys = []
- for ind0, ind1 in mlab.contiguous_regions(where):
- theseverts = []
- xslice = x[ind0:ind1]
- y1slice = y1[ind0:ind1]
- y2slice = y2[ind0:ind1]
-
- if not len(xslice):
- continue
-
- N = len(xslice)
- X = np.zeros((2*N+2, 2), np.float)
-
- # the purpose of the next two lines is for when y2 is a
- # scalar like 0 and we want the fill to go all the way
- # down to 0 even if none of the y1 sample points do
- X[0] = xslice[0], y2slice[0]
- X[N+1] = xslice[-1], y2slice[-1]
-
- X[1:N+1,0] = xslice
- X[1:N+1,1] = y1slice
- X[N+2:,0] = xslice[::-1]
- X[N+2:,1] = y2slice[::-1]
-
- polys.append(X)
-
- collection = PolyCollection(polys, **kwargs)
- return collection
-
class BrokenBarHCollection(PolyCollection):
"""
A collection of horizontal bars spanning *yrange* with a sequence of
Modified: trunk/matplotlib/lib/matplotlib/pyplot.py
===================================================================
--- trunk/matplotlib/lib/matplotlib/pyplot.py 2008-11-23 19:18:24 UTC (rev
6436)
+++ trunk/matplotlib/lib/matplotlib/pyplot.py 2008-11-23 19:56:37 UTC (rev
6437)
@@ -1120,61 +1120,62 @@
"""
Plotting commands
- ========= =================================================
- Command Description
- ========= =================================================
- axes Create a new axes
- axis Set or return the current axis limits
- bar make a bar chart
- boxplot make a box and whiskers chart
- cla clear current axes
- clabel label a contour plot
- clf clear a figure window
- close close a figure window
- colorbar add a colorbar to the current figure
- cohere make a plot of coherence
- contour make a contour plot
- contourf make a filled contour plot
- csd make a plot of cross spectral density
- draw force a redraw of the current figure
- errorbar make an errorbar graph
- figlegend add a legend to the figure
- figimage add an image to the figure, w/o resampling
- figtext add text in figure coords
- figure create or change active figure
- fill make filled polygons
- gca return the current axes
- gcf return the current figure
- gci get the current image, or None
- getp get a handle graphics property
- hist make a histogram
- hold set the hold state on current axes
- legend add a legend to the axes
- loglog a log log plot
- imread load image file into array
- imshow plot image data
- matshow display a matrix in a new figure preserving aspect
- pcolor make a pseudocolor plot
- plot make a line plot
- plotfile plot data from a flat file
- psd make a plot of power spectral density
- quiver make a direction field (arrows) plot
- rc control the default params
- savefig save the current figure
- scatter make a scatter plot
- setp set a handle graphics property
- semilogx log x axis
- semilogy log y axis
- show show the figures
- specgram a spectrogram plot
- stem make a stem plot
- subplot make a subplot (numrows, numcols, axesnum)
- table add a table to the axes
- text add some text at location x,y to the current axes
- title add a title to the current axes
- xlabel add an xlabel to the current axes
- ylabel add a ylabel to the current axes
- ========= =================================================
+ ========= =================================================
+ Command Description
+ ========= =================================================
+ axes Create a new axes
+ axis Set or return the current axis limits
+ bar make a bar chart
+ boxplot make a box and whiskers chart
+ cla clear current axes
+ clabel label a contour plot
+ clf clear a figure window
+ close close a figure window
+ colorbar add a colorbar to the current figure
+ cohere make a plot of coherence
+ contour make a contour plot
+ contourf make a filled contour plot
+ csd make a plot of cross spectral density
+ draw force a redraw of the current figure
+ errorbar make an errorbar graph
+ figlegend add a legend to the figure
+ figimage add an image to the figure, w/o resampling
+ figtext add text in figure coords
+ figure create or change active figure
+ fill make filled polygons
+ fill_between make filled polygons
+ gca return the current axes
+ gcf return the current figure
+ gci get the current image, or None
+ getp get a handle graphics property
+ hist make a histogram
+ hold set the hold state on current axes
+ legend add a legend to the axes
+ loglog a log log plot
+ imread load image file into array
+ imshow plot image data
+ matshow display a matrix in a new figure preserving aspect
+ pcolor make a pseudocolor plot
+ plot make a line plot
+ plotfile plot data from a flat file
+ psd make a plot of power spectral density
+ quiver make a direction field (arrows) plot
+ rc control the default params
+ savefig save the current figure
+ scatter make a scatter plot
+ setp set a handle graphics property
+ semilogx log x axis
+ semilogy log y axis
+ show show the figures
+ specgram a spectrogram plot
+ stem make a stem plot
+ subplot make a subplot (numrows, numcols, axesnum)
+ table add a table to the axes
+ text add some text at location x,y to the current axes
+ title add a title to the current axes
+ xlabel add an xlabel to the current axes
+ ylabel add a ylabel to the current axes
+ ========= =================================================
The following commands will set the default colormap accordingly:
@@ -1493,7 +1494,6 @@
## Plotting part 2: autogenerated wrappers for axes methods ##
-### Do not edit below this point
# This function was autogenerated by boilerplate.py. Do not edit as
# changes will be lost
def acorr(*args, **kwargs):
@@ -1870,6 +1870,50 @@
# This function was autogenerated by boilerplate.py. Do not edit as
# changes will be lost
+def fill_between(*args, **kwargs):
+ # allow callers to override the hold state by passing hold=True|False
+ b = ishold()
+ h = kwargs.pop('hold', None)
+ if h is not None:
+ hold(h)
+ try:
+ ret = gca().fill_between(*args, **kwargs)
+ draw_if_interactive()
+ except:
+ hold(b)
+ raise
+
+ hold(b)
+ return ret
+if Axes.fill_between.__doc__ is not None:
+ fill_between.__doc__ = dedent(Axes.fill_between.__doc__) + """
+
+Additional kwargs: hold = [True|False] overrides default hold state"""
+
+# This function was autogenerated by boilerplate.py. Do not edit as
+# changes will be lost
+def hexbin(*args, **kwargs):
+ # allow callers to override the hold state by passing hold=True|False
+ b = ishold()
+ h = kwargs.pop('hold', None)
+ if h is not None:
+ hold(h)
+ try:
+ ret = gca().hexbin(*args, **kwargs)
+ draw_if_interactive()
+ except:
+ hold(b)
+ raise
+ gci._current = ret
+ hold(b)
+ return ret
+if Axes.hexbin.__doc__ is not None:
+ hexbin.__doc__ = dedent(Axes.hexbin.__doc__) + """
+
+Additional kwargs: hold = [True|False] overrides default hold state"""
+
+# This function was autogenerated by boilerplate.py. Do not edit as
+# changes will be lost
def hist(*args, **kwargs):
# allow callers to override the hold state by passing hold=True|False
b = ishold()
@@ -2156,28 +2200,6 @@
# This function was autogenerated by boilerplate.py. Do not edit as
# changes will be lost
-def hexbin(*args, **kwargs):
- # allow callers to override the hold state by passing hold=True|False
- b = ishold()
- h = kwargs.pop('hold', None)
- if h is not None:
- hold(h)
- try:
- ret = gca().hexbin(*args, **kwargs)
- draw_if_interactive()
- except:
- hold(b)
- raise
- gci._current = ret
- hold(b)
- return ret
-if Axes.hexbin.__doc__ is not None:
- hexbin.__doc__ = dedent(Axes.hexbin.__doc__) + """
-
-Additional kwargs: hold = [True|False] overrides default hold state"""
-
-# This function was autogenerated by boilerplate.py. Do not edit as
-# changes will be lost
def semilogx(*args, **kwargs):
# allow callers to override the hold state by passing hold=True|False
b = ishold()
@@ -2438,10 +2460,8 @@
# changes will be lost
def autumn():
'''
- Set the default colormap to *autumn* and apply to current image if any.
-
- .. seealso::
- :func:`colormaps`
+ set the default colormap to autumn and apply to current image if any.
+ See help(colormaps) for more information
'''
rc('image', cmap='autumn')
im = gci()
@@ -2455,10 +2475,8 @@
# changes will be lost
def bone():
'''
- Set the default colormap to bone and apply to current image if any.
-
- .. seealso::
- :func:`colormaps`
+ set the default colormap to bone and apply to current image if any.
+ See help(colormaps) for more information
'''
rc('image', cmap='bone')
im = gci()
@@ -2472,10 +2490,8 @@
# changes will be lost
def cool():
'''
- Set the default colormap to cool and apply to current image if any.
-
- .. seealso::
- :func:`colormaps`
+ set the default colormap to cool and apply to current image if any.
+ See help(colormaps) for more information
'''
rc('image', cmap='cool')
im = gci()
@@ -2489,10 +2505,8 @@
# changes will be lost
def copper():
'''
- Set the default colormap to copper and apply to current image if any.
-
- .. seealso::
- :func:`colormaps`
+ set the default colormap to copper and apply to current image if any.
+ See help(colormaps) for more information
'''
rc('image', cmap='copper')
im = gci()
@@ -2506,10 +2520,8 @@
# changes will be lost
def flag():
'''
- Set the default colormap to flag and apply to current image if any.
-
- .. seealso::
- :func:`colormaps`
+ set the default colormap to flag and apply to current image if any.
+ See help(colormaps) for more information
'''
rc('image', cmap='flag')
im = gci()
@@ -2523,10 +2535,8 @@
# changes will be lost
def gray():
'''
- Set the default colormap to gray and apply to current image if any.
-
- .. seealso::
- :func:`colormaps`
+ set the default colormap to gray and apply to current image if any.
+ See help(colormaps) for more information
'''
rc('image', cmap='gray')
im = gci()
@@ -2540,10 +2550,8 @@
# changes will be lost
def hot():
'''
- Set the default colormap to hot and apply to current image if any.
-
- .. seealso::
- :func:`colormaps`
+ set the default colormap to hot and apply to current image if any.
+ See help(colormaps) for more information
'''
rc('image', cmap='hot')
im = gci()
@@ -2557,10 +2565,8 @@
# changes will be lost
def hsv():
'''
- Set the default colormap to hsv and apply to current image if any.
-
- .. seealso::
- :func:`colormaps`
+ set the default colormap to hsv and apply to current image if any.
+ See help(colormaps) for more information
'''
rc('image', cmap='hsv')
im = gci()
@@ -2574,10 +2580,8 @@
# changes will be lost
def jet():
'''
- Set the default colormap to jet and apply to current image if any.
-
- .. seealso::
- :func:`colormaps`
+ set the default colormap to jet and apply to current image if any.
+ See help(colormaps) for more information
'''
rc('image', cmap='jet')
im = gci()
@@ -2591,10 +2595,8 @@
# changes will be lost
def pink():
'''
- Set the default colormap to pink and apply to current image if any.
-
- .. seealso::
- :func:`colormaps`
+ set the default colormap to pink and apply to current image if any.
+ See help(colormaps) for more information
'''
rc('image', cmap='pink')
im = gci()
@@ -2608,10 +2610,8 @@
# changes will be lost
def prism():
'''
- Set the default colormap to prism and apply to current image if any.
-
- .. seealso::
- :func:`colormaps`
+ set the default colormap to prism and apply to current image if any.
+ See help(colormaps) for more information
'''
rc('image', cmap='prism')
im = gci()
@@ -2625,10 +2625,8 @@
# changes will be lost
def spring():
'''
- Set the default colormap to spring and apply to current image if any.
-
- .. seealso::
- :func:`colormaps`
+ set the default colormap to spring and apply to current image if any.
+ See help(colormaps) for more information
'''
rc('image', cmap='spring')
im = gci()
@@ -2642,10 +2640,8 @@
# changes will be lost
def summer():
'''
- Set the default colormap to summer and apply to current image if any.
-
- .. seealso::
- :func:`colormaps`
+ set the default colormap to summer and apply to current image if any.
+ See help(colormaps) for more information
'''
rc('image', cmap='summer')
im = gci()
@@ -2659,10 +2655,8 @@
# changes will be lost
def winter():
'''
- Set the default colormap to winter and apply to current image if any.
-
- .. seealso::
- :func:`colormaps`
+ set the default colormap to winter and apply to current image if any.
+ See help(colormaps) for more information
'''
rc('image', cmap='winter')
im = gci()
@@ -2676,10 +2670,8 @@
# changes will be lost
def spectral():
'''
- Set the default colormap to spectral and apply to current image if any.
-
- .. seealso::
- :func:`colormaps`
+ set the default colormap to spectral and apply to current image if any.
+ See help(colormaps) for more information
'''
rc('image', cmap='spectral')
im = gci()
@@ -2687,3 +2679,5 @@
if im is not None:
im.set_cmap(cm.spectral)
draw_if_interactive()
+
+
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