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SF.net SVN: matplotlib:[8479] trunk/matplotlib
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From: <ef...@us...> - 2010-06-30 21:07:43
|
Revision: 8479
http://matplotlib.svn.sourceforge.net/matplotlib/?rev=8479&view=rev
Author: efiring
Date: 2010-06-30 21:07:36 +0000 (Wed, 30 Jun 2010)
Log Message:
-----------
set_xlim, set_ylim: turn off autoscaling; added autoscale method
Modified Paths:
--------------
trunk/matplotlib/boilerplate.py
trunk/matplotlib/lib/matplotlib/axes.py
trunk/matplotlib/lib/matplotlib/blocking_input.py
trunk/matplotlib/lib/matplotlib/image.py
trunk/matplotlib/lib/matplotlib/projections/polar.py
trunk/matplotlib/lib/matplotlib/pylab.py
trunk/matplotlib/lib/matplotlib/pyplot.py
trunk/matplotlib/lib/matplotlib/tests/test_dates.py
trunk/matplotlib/lib/matplotlib/widgets.py
trunk/matplotlib/lib/mpl_toolkits/mplot3d/axes3d.py
Modified: trunk/matplotlib/boilerplate.py
===================================================================
--- trunk/matplotlib/boilerplate.py 2010-06-30 16:31:23 UTC (rev 8478)
+++ trunk/matplotlib/boilerplate.py 2010-06-30 21:07:36 UTC (rev 8479)
@@ -109,6 +109,7 @@
'locator_params',
'tick_params',
'margins',
+ 'autoscale',
)
cmappable = {
Modified: trunk/matplotlib/lib/matplotlib/axes.py
===================================================================
--- trunk/matplotlib/lib/matplotlib/axes.py 2010-06-30 16:31:23 UTC (rev 8478)
+++ trunk/matplotlib/lib/matplotlib/axes.py 2010-06-30 21:07:36 UTC (rev 8479)
@@ -1715,7 +1715,46 @@
"""
return self._rasterization_zorder
+ def autoscale(self, enable=True, axis='both', tight=None):
+ """
+ Convenience method for simple axis view autoscaling.
+ It turns autoscaling on or off, and then,
+ if autoscaling for either axis is on, it performs
+ the autoscaling on the specified axis or axes.
+ *enable*: [True | False | None]
+ True (default) turns autoscaling on, False turns it off.
+ None leaves the autoscaling state unchanged.
+
+ *axis*: ['x' | 'y' | 'both']
+ which axis to operate on; default is 'both'
+
+ *tight*: [True | False | None]
+ If True, set view limits to data limits;
+ if False, let the locator and margins expand the view limits;
+ if None, use tight scaling if the only artist is an image,
+ otherwise treat *tight* as False.
+ The *tight* setting is retained for future autoscaling
+ until it is explicitly changed.
+
+
+ Returns None.
+ """
+ if enable is None:
+ scalex = True
+ scaley = True
+ else:
+ scalex = False
+ scaley = False
+ if axis in ['x', 'both']:
+ self._autoscaleXon = bool(enable)
+ scalex = self._autoscaleXon
+ if axis in ['y', 'both']:
+ self._autoscaleYon = bool(enable)
+ scaley = self._autoscaleYon
+ self.autoscale_view(tight=tight, scalex=scalex, scaley=scaley)
+
+
def autoscale_view(self, tight=None, scalex=True, scaley=True):
"""
autoscale the view limits using the data limits. You can
@@ -2209,7 +2248,7 @@
def invert_xaxis(self):
"Invert the x-axis."
left, right = self.get_xlim()
- self.set_xlim(right, left)
+ self.viewLim.intervalx = (right, left)
def xaxis_inverted(self):
'Returns True if the x-axis is inverted.'
@@ -2233,6 +2272,7 @@
"""
Set the lower and upper numerical bounds of the x-axis.
This method will honor axes inversion regardless of parameter order.
+ It will not change the _autoscaleXon attribute.
"""
if upper is None and iterable(lower):
lower,upper = lower
@@ -2244,14 +2284,14 @@
if self.xaxis_inverted():
if lower < upper:
- self.set_xlim(upper, lower)
+ self.set_xlim(upper, lower, auto=None)
else:
- self.set_xlim(lower, upper)
+ self.set_xlim(lower, upper, auto=None)
else:
if lower < upper:
- self.set_xlim(lower, upper)
+ self.set_xlim(lower, upper, auto=None)
else:
- self.set_xlim(upper, lower)
+ self.set_xlim(upper, lower, auto=None)
def get_xlim(self):
"""
@@ -2259,32 +2299,45 @@
"""
return tuple(self.viewLim.intervalx)
- def set_xlim(self, xmin=None, xmax=None, emit=True, **kwargs):
+ def set_xlim(self, xmin=None, xmax=None, emit=True, auto=False):
"""
call signature::
- set_xlim(self, *args, **kwargs)
+ set_xlim(self, *args, **kwargs):
- Set the limits for the xaxis
+ Set the data limits for the xaxis
- Returns the current xlimits as a length 2 tuple: [*xmin*, *xmax*]
-
Examples::
- set_xlim((valmin, valmax))
- set_xlim(valmin, valmax)
- set_xlim(xmin=1) # xmax unchanged
- set_xlim(xmax=1) # xmin unchanged
+ set_xlim((left, right))
+ set_xlim(left, right)
+ set_xlim(xmin=1) # right unchanged
+ set_xlim(xmax=1) # left unchanged
Keyword arguments:
*xmin*: scalar
- the min of the ylim
+ the left xlim
*xmax*: scalar
- the max of the ylim
+ the right xlim
*emit*: [ True | False ]
notify observers of lim change
+ *auto*: [ True | False | None ]
+ turn *x* autoscaling on (True), off (False; default),
+ or leave unchanged (None)
+ Note: the kwarg terminology may be confusing. The first value,
+ *xmin*, is the left, and the second, *xmax*, is the right.
+ For example, suppose *x* is years before present.
+ Then one might use::
+
+ set_ylim(5000, 0)
+
+ so 5000 years ago is on the left of the plot and the
+ present is on the right.
+
+ Returns the current xlimits as a length 2 tuple
+
ACCEPTS: len(2) sequence of floats
"""
if xmax is None and iterable(xmin):
@@ -2307,6 +2360,8 @@
xmin, xmax = self.xaxis.limit_range_for_scale(xmin, xmax)
self.viewLim.intervalx = (xmin, xmax)
+ if auto is not None:
+ self._autoscaleXon = bool(auto)
if emit:
self.callbacks.process('xlim_changed', self)
@@ -2391,25 +2446,26 @@
def invert_yaxis(self):
"Invert the y-axis."
- left, right = self.get_ylim()
- self.set_ylim(right, left)
+ bottom, top = self.get_ylim()
+ self.viewLim.intervaly = (top, bottom)
def yaxis_inverted(self):
'Returns True if the y-axis is inverted.'
- left, right = self.get_ylim()
- return right < left
+ bottom, top = self.get_ylim()
+ return top < bottom
def get_ybound(self):
"Return y-axis numerical bounds in the form of lowerBound < upperBound"
- left, right = self.get_ylim()
- if left < right:
- return left, right
+ bottom, top = self.get_ylim()
+ if bottom < top:
+ return bottom, top
else:
- return right, left
+ return top, bottom
def set_ybound(self, lower=None, upper=None):
"""Set the lower and upper numerical bounds of the y-axis.
This method will honor axes inversion regardless of parameter order.
+ It will not change the _autoscaleYon attribute.
"""
if upper is None and iterable(lower):
lower,upper = lower
@@ -2421,14 +2477,14 @@
if self.yaxis_inverted():
if lower < upper:
- self.set_ylim(upper, lower)
+ self.set_ylim(upper, lower, auto=None)
else:
- self.set_ylim(lower, upper)
+ self.set_ylim(lower, upper, auto=None)
else:
if lower < upper:
- self.set_ylim(lower, upper)
+ self.set_ylim(lower, upper, auto=None)
else:
- self.set_ylim(upper, lower)
+ self.set_ylim(upper, lower, auto=None)
def get_ylim(self):
"""
@@ -2436,28 +2492,43 @@
"""
return tuple(self.viewLim.intervaly)
- def set_ylim(self, ymin=None, ymax=None, emit=True, **kwargs):
+ def set_ylim(self, ymin=None, ymax=None, emit=True, auto=False):
"""
call signature::
set_ylim(self, *args, **kwargs):
- Set the limits for the yaxis; v = [ymin, ymax]::
+ Set the data limits for the yaxis
- set_ylim((valmin, valmax))
- set_ylim(valmin, valmax)
- set_ylim(ymin=1) # ymax unchanged
- set_ylim(ymax=1) # ymin unchanged
+ Examples::
+ set_ylim((bottom, top))
+ set_ylim(bottom, top)
+ set_ylim(ymin=1) # top unchanged
+ set_ylim(ymax=1) # bottom unchanged
+
Keyword arguments:
*ymin*: scalar
- the min of the ylim
+ the bottom ylim
*ymax*: scalar
- the max of the ylim
+ the top ylim
*emit*: [ True | False ]
notify observers of lim change
+ *auto*: [ True | False | None ]
+ turn *y* autoscaling on (True), off (False; default),
+ or leave unchanged (None)
+ Note: the kwarg terminology may be confusing. The first value,
+ *ymin*, is the bottom, and the second, *ymax*, is the top.
+ For example, suppose *y* is depth in the ocean.
+ Then one might use::
+
+ set_ylim(5000, 0)
+
+ so 5000 m depth is at the bottom of the plot and the
+ surface, 0 m, is at the top.
+
Returns the current ylimits as a length 2 tuple
ACCEPTS: len(2) sequence of floats
@@ -2480,7 +2551,10 @@
ymin, ymax = mtransforms.nonsingular(ymin, ymax, increasing=False)
ymin, ymax = self.yaxis.limit_range_for_scale(ymin, ymax)
+
self.viewLim.intervaly = (ymin, ymax)
+ if auto is not None:
+ self._autoscaleYon = bool(auto)
if emit:
self.callbacks.process('ylim_changed', self)
@@ -6647,14 +6721,10 @@
im.autoscale_None()
im.set_url(url)
- xmin, xmax, ymin, ymax = im.get_extent()
+ # update ax.dataLim, and, if autoscaling, set viewLim
+ # to tightly fit the image, regardless of dataLim.
+ im.set_extent(im.get_extent())
- corners = (xmin, ymin), (xmax, ymax)
- self.update_datalim(corners)
- if self._autoscaleXon:
- self.set_xlim((xmin, xmax))
- if self._autoscaleYon:
- self.set_ylim((ymin, ymax))
self.images.append(im)
im._remove_method = lambda h: self.images.remove(h)
Modified: trunk/matplotlib/lib/matplotlib/blocking_input.py
===================================================================
--- trunk/matplotlib/lib/matplotlib/blocking_input.py 2010-06-30 16:31:23 UTC (rev 8478)
+++ trunk/matplotlib/lib/matplotlib/blocking_input.py 2010-06-30 21:07:36 UTC (rev 8479)
@@ -19,6 +19,7 @@
from matplotlib import path, verbose
from matplotlib.cbook import is_sequence_of_strings
+import matplotlib.lines as mlines
class BlockingInput(object):
"""
@@ -222,18 +223,10 @@
# If desired plot up click
if self.show_clicks:
-
- # make sure we don't mess with the axes zoom
- xlim = event.inaxes.get_xlim()
- ylim = event.inaxes.get_ylim()
-
- # plot the clicks
- self.marks.extend(
- event.inaxes.plot([event.xdata,], [event.ydata,], 'r+') )
-
- # before we draw, make sure to reset the limits
- event.inaxes.set_xlim(xlim)
- event.inaxes.set_ylim(ylim)
+ line = mlines.Line2D([event.xdata], [event.ydata],
+ marker='+', color='r')
+ event.inaxes.add_line(line)
+ self.marks.append(line)
self.fig.canvas.draw()
@@ -247,16 +240,9 @@
if self.show_clicks:
- # make sure we don't mess with the axes zoom
- xlim = event.inaxes.get_xlim()
- ylim = event.inaxes.get_ylim()
-
mark = self.marks.pop(index)
mark.remove()
- # before we draw, make sure to reset the limits
- event.inaxes.set_xlim(xlim)
- event.inaxes.set_ylim(ylim)
self.fig.canvas.draw()
# NOTE: I do NOT understand why the above 3 lines does not work
# for the keyboard backspace event on windows XP wxAgg.
@@ -275,20 +261,11 @@
def cleanup(self,event=None):
# clean the figure
if self.show_clicks:
- if event:
- # make sure we don't mess with the axes zoom
- xlim = event.inaxes.get_xlim()
- ylim = event.inaxes.get_ylim()
for mark in self.marks:
mark.remove()
self.marks = []
- if event:
- # before we draw, make sure to reset the limits
- event.inaxes.set_xlim(xlim)
- event.inaxes.set_ylim(ylim)
-
self.fig.canvas.draw()
# Call base class to remove callbacks
Modified: trunk/matplotlib/lib/matplotlib/image.py
===================================================================
--- trunk/matplotlib/lib/matplotlib/image.py 2010-06-30 16:31:23 UTC (rev 8478)
+++ trunk/matplotlib/lib/matplotlib/image.py 2010-06-30 21:07:36 UTC (rev 8479)
@@ -605,6 +605,12 @@
def set_extent(self, extent):
"""
extent is data axes (left, right, bottom, top) for making image plots
+
+ This updates ax.dataLim, and, if autoscaling, sets viewLim
+ to tightly fit the image, regardless of dataLim. Autoscaling
+ state is not changed, so following this with ax.autoscale_view
+ will redo the autoscaling in accord with dataLim.
+
"""
self._extent = extent
@@ -612,9 +618,9 @@
corners = (xmin, ymin), (xmax, ymax)
self.axes.update_datalim(corners)
if self.axes._autoscaleXon:
- self.axes.set_xlim((xmin, xmax))
+ self.axes.set_xlim((xmin, xmax), auto=None)
if self.axes._autoscaleYon:
- self.axes.set_ylim((ymin, ymax))
+ self.axes.set_ylim((ymin, ymax), auto=None)
def get_extent(self):
'get the image extent: left, right, bottom, top'
Modified: trunk/matplotlib/lib/matplotlib/projections/polar.py
===================================================================
--- trunk/matplotlib/lib/matplotlib/projections/polar.py 2010-06-30 16:31:23 UTC (rev 8478)
+++ trunk/matplotlib/lib/matplotlib/projections/polar.py 2010-06-30 21:07:36 UTC (rev 8479)
@@ -336,12 +336,13 @@
def get_rmin(self):
return self.viewLim.ymin
- def set_rlim(self, rmin=None, rmax=None):
- self.viewLim.y0 = rmin
- self.viewLim.y1 = rmax
+ def set_rlim(self, *args, **kwargs):
+ if 'rmin' in kwargs:
+ kwargs['ymin'] = kwargs.pop('rmin')
+ if 'rmax' in kwargs:
+ kwargs['ymax'] = kwargs.pop('rmax')
+ return self.set_ylim(*args, **kwargs)
- set_ylim = set_rlim
-
def set_yscale(self, *args, **kwargs):
Axes.set_yscale(self, *args, **kwargs)
self.yaxis.set_major_locator(
Modified: trunk/matplotlib/lib/matplotlib/pylab.py
===================================================================
--- trunk/matplotlib/lib/matplotlib/pylab.py 2010-06-30 16:31:23 UTC (rev 8478)
+++ trunk/matplotlib/lib/matplotlib/pylab.py 2010-06-30 21:07:36 UTC (rev 8479)
@@ -17,6 +17,7 @@
axhspan - draw a horizontal bar across axes
axvspan - draw a vertical bar across axes
axis - Set or return the current axis limits
+ autoscale - turn axis autoscaling on or off, and apply it
bar - make a bar chart
barh - a horizontal bar chart
broken_barh - a set of horizontal bars with gaps
Modified: trunk/matplotlib/lib/matplotlib/pyplot.py
===================================================================
--- trunk/matplotlib/lib/matplotlib/pyplot.py 2010-06-30 16:31:23 UTC (rev 8478)
+++ trunk/matplotlib/lib/matplotlib/pyplot.py 2010-06-30 21:07:36 UTC (rev 8479)
@@ -2132,7 +2132,7 @@
# This function was autogenerated by boilerplate.py. Do not edit as
# changes will be lost
@autogen_docstring(Axes.hexbin)
-def hexbin(x, y, C=None, gridsize=100, bins=None, xscale='linear', yscale='linear', extent=None, cmap=None, norm=None, vmin=None, vmax=None, alpha=1.0, linewidths=None, edgecolors='none', reduce_C_function=np.mean, mincnt=None, marginals=False, hold=None, **kwargs):
+def hexbin(x, y, C=None, gridsize=100, bins=None, xscale='linear', yscale='linear', extent=None, cmap=None, norm=None, vmin=None, vmax=None, alpha=None, linewidths=None, edgecolors='none', reduce_C_function=np.mean, mincnt=None, marginals=False, hold=None, **kwargs):
ax = gca()
# allow callers to override the hold state by passing hold=True|False
washold = ax.ishold()
@@ -2186,7 +2186,7 @@
# This function was autogenerated by boilerplate.py. Do not edit as
# changes will be lost
@autogen_docstring(Axes.imshow)
-def imshow(X, cmap=None, norm=None, aspect=None, interpolation=None, alpha=1.0, vmin=None, vmax=None, origin=None, extent=None, shape=None, filternorm=1, filterrad=4.0, imlim=None, resample=None, url=None, hold=None, **kwargs):
+def imshow(X, cmap=None, norm=None, aspect=None, interpolation=None, alpha=None, vmin=None, vmax=None, origin=None, extent=None, shape=None, filternorm=1, filterrad=4.0, imlim=None, resample=None, url=None, hold=None, **kwargs):
ax = gca()
# allow callers to override the hold state by passing hold=True|False
washold = ax.ishold()
@@ -2366,7 +2366,7 @@
# This function was autogenerated by boilerplate.py. Do not edit as
# changes will be lost
@autogen_docstring(Axes.scatter)
-def scatter(x, y, s=20, c='b', marker='o', cmap=None, norm=None, vmin=None, vmax=None, alpha=1.0, linewidths=None, faceted=True, verts=None, hold=None, **kwargs):
+def scatter(x, y, s=20, c='b', marker='o', cmap=None, norm=None, vmin=None, vmax=None, alpha=None, linewidths=None, faceted=True, verts=None, hold=None, **kwargs):
ax = gca()
# allow callers to override the hold state by passing hold=True|False
washold = ax.ishold()
@@ -2608,8 +2608,8 @@
# This function was autogenerated by boilerplate.py. Do not edit as
# changes will be lost
@docstring.copy_dedent(Axes.grid)
-def grid(b=None, **kwargs):
- ret = gca().grid(b, **kwargs)
+def grid(b=None, which='major', **kwargs):
+ ret = gca().grid(b, which, **kwargs)
draw_if_interactive()
return ret
@@ -2679,6 +2679,14 @@
# This function was autogenerated by boilerplate.py. Do not edit as
# changes will be lost
+...@do...py_dedent(Axes.autoscale)
+def autoscale(enable=True, axis='both', tight=None):
+ ret = gca().autoscale(enable, axis, tight)
+ draw_if_interactive()
+ return ret
+
+# This function was autogenerated by boilerplate.py. Do not edit as
+# changes will be lost
def autumn():
'''
set the default colormap to autumn and apply to current image if any.
@@ -2902,4 +2910,3 @@
draw_if_interactive()
-
Modified: trunk/matplotlib/lib/matplotlib/tests/test_dates.py
===================================================================
--- trunk/matplotlib/lib/matplotlib/tests/test_dates.py 2010-06-30 16:31:23 UTC (rev 8478)
+++ trunk/matplotlib/lib/matplotlib/tests/test_dates.py 2010-06-30 21:07:36 UTC (rev 8479)
@@ -77,7 +77,7 @@
tf = datetime.datetime(2000, 1, 20)
fig = plt.figure()
ax = fig.add_subplot(1,1,1)
- ax.set_xlim((t0,tf))
+ ax.set_xlim((t0,tf), auto=True)
ax.plot([],[])
from matplotlib.dates import DayLocator, DateFormatter, HourLocator
ax.xaxis.set_major_locator(DayLocator())
Modified: trunk/matplotlib/lib/matplotlib/widgets.py
===================================================================
--- trunk/matplotlib/lib/matplotlib/widgets.py 2010-06-30 16:31:23 UTC (rev 8478)
+++ trunk/matplotlib/lib/matplotlib/widgets.py 2010-06-30 21:07:36 UTC (rev 8479)
@@ -131,7 +131,7 @@
event.canvas.release_mouse(self.ax)
if not self.eventson:
return
- if event.inaxes != self.ax:
+ if event.inaxes != self.ax:
return
for cid, func in self.observers.items():
func(event)
@@ -253,10 +253,10 @@
self.drag_active = True
event.canvas.grab_mouse(self.ax)
- if not self.drag_active:
+ if not self.drag_active:
return
-
- elif ((event.name == 'button_release_event')
+
+ elif ((event.name == 'button_release_event')
or (event.name == 'button_press_event' and event.inaxes != self.ax)):
self.drag_active = False
event.canvas.release_mouse(self.ax)
@@ -1134,7 +1134,7 @@
self.validButtons = button
elif isinstance(button, int):
self.validButtons = [button]
-
+
assert(spancoords in ('data', 'pixels'))
self.spancoords = spancoords
@@ -1165,7 +1165,7 @@
if self.validButtons is not None:
if not event.button in self.validButtons:
return True
-
+
# If no button was pressed yet ignore the event if it was out
# of the axes
if self.eventpress == None:
Modified: trunk/matplotlib/lib/mpl_toolkits/mplot3d/axes3d.py
===================================================================
--- trunk/matplotlib/lib/mpl_toolkits/mplot3d/axes3d.py 2010-06-30 16:31:23 UTC (rev 8478)
+++ trunk/matplotlib/lib/mpl_toolkits/mplot3d/axes3d.py 2010-06-30 21:07:36 UTC (rev 8479)
@@ -93,8 +93,8 @@
ydwl = (0.95/self.dist)
ydw = (0.9/self.dist)
- Axes.set_xlim(self, -xdwl, xdw)
- Axes.set_ylim(self, -ydwl, ydw)
+ Axes.set_xlim(self, -xdwl, xdw, auto=None)
+ Axes.set_ylim(self, -ydwl, ydw, auto=None)
def create_axes(self):
self.w_xaxis = axis3d.XAxis('x', self.xy_viewLim.intervalx,
@@ -361,7 +361,7 @@
button or buttons to use to zoom the 3D axes.
Default = 3.
============ =======================================================
-
+
"""
self.button_pressed = None
canv = self.figure.canvas
@@ -1083,21 +1083,21 @@
dx, dy, dz can be arrays or scalars.
*color* can be:
-
+
- A single color value, to color all bars the same color.
-
+
- An array of colors of length N bars, to color each bar
independently.
-
+
- An array of colors of length 6, to color the faces of the
bars similarly.
-
+
- An array of colors of length 6 * N bars, to color each face
independently.
When coloring the faces of the boxes specifically, this is
the order of the coloring:
-
+
1. -Z (bottom of box)
2. +Z (top of box)
3. -Y
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