Revision: 3772
http://matplotlib.svn.sourceforge.net/matplotlib/?rev=3772&view=rev
Author: efiring
Date: 2007-09-03 22:53:56 -0700 (Mon, 03 Sep 2007)
Log Message:
-----------
Errorbar limit symbols patch by Manuel Metz
Modified Paths:
--------------
trunk/matplotlib/lib/matplotlib/axes.py
trunk/matplotlib/lib/matplotlib/lines.py
Added Paths:
-----------
trunk/matplotlib/examples/errorbar_limits.py
Added: trunk/matplotlib/examples/errorbar_limits.py
===================================================================
--- trunk/matplotlib/examples/errorbar_limits.py
(rev 0)
+++ trunk/matplotlib/examples/errorbar_limits.py 2007-09-04 05:53:56 UTC
(rev 3772)
@@ -0,0 +1,40 @@
+'''
+Illustration of upper and lower limit symbols on errorbars
+'''
+
+from math import pi
+from numpy import array, arange, sin
+import pylab as P
+
+fig = P.figure()
+x = arange(10.0)
+y = sin(arange(10.0)/20.0*pi)
+
+P.errorbar(x,y,yerr=0.1,capsize=3)
+
+y = sin(arange(10.0)/20.0*pi) + 1
+P.errorbar(x,y,yerr=0.1, uplims=True)
+
+y = sin(arange(10.0)/20.0*pi) + 2
+upperlimits = array([1,0]*5)
+lowerlimits = array([0,1]*5)
+P.errorbar(x, y, yerr=0.1, uplims=upperlimits, lolims=lowerlimits)
+
+P.xlim(-1,10)
+
+fig = P.figure()
+x = arange(10.0)/10.0
+y = (x+0.1)**2
+
+P.errorbar(x, y, xerr=0.1, xlolims=True)
+y = (x+0.1)**3
+
+P.errorbar(x+0.6, y, xerr=0.1, xuplims=upperlimits, xlolims=lowerlimits)
+
+y = (x+0.1)**4
+P.errorbar(x+1.2, y, xerr=0.1, xuplims=True)
+
+P.xlim(-0.2,2.4)
+P.ylim(-0.1,1.3)
+
+P.show()
Modified: trunk/matplotlib/lib/matplotlib/axes.py
===================================================================
--- trunk/matplotlib/lib/matplotlib/axes.py 2007-09-03 22:16:19 UTC (rev
3771)
+++ trunk/matplotlib/lib/matplotlib/axes.py 2007-09-04 05:53:56 UTC (rev
3772)
@@ -3522,10 +3522,13 @@
def errorbar(self, x, y, yerr=None, xerr=None,
fmt='-', ecolor=None, capsize=3,
- barsabove=False, **kwargs):
+ barsabove=False, lolims=False, uplims=False,
+ xlolims=False, xuplims=False, **kwargs):
"""
ERRORBAR(x, y, yerr=None, xerr=None,
- fmt='b-', ecolor=None, capsize=3, barsabove=False)
+ fmt='b-', ecolor=None, capsize=3, barsabove=False,
+ lolims=False, uplims=False,
+ xlolims=False, xuplims=False)
Plot x versus y with error deltas in yerr and xerr.
Vertical errorbars are plotted if yerr is not None
@@ -3554,6 +3557,11 @@
barsabove, if True, will plot the errorbars above the plot symbols
- default is below
+ lolims, uplims, xlolims, xuplims: These arguments can be used
+ to indicate that a value gives only upper/lower limits. In
+ that case a caret symbol is used to indicate this. lims-arguments
+ may be of the same type as xerr and yerr.
+
kwargs are passed on to the plot command for the markers.
So you can add additional key=value pairs to control the
errorbar markers. For example, this code makes big red
@@ -3579,18 +3587,18 @@
if not self._hold: self.cla()
# make sure all the args are iterable arrays
- if not iterable(x): x = npy.asarray([x])
+ if not iterable(x): x = npy.array([x])
else: x = npy.asarray(x)
- if not iterable(y): y = npy.asarray([y])
+ if not iterable(y): y = npy.array([y])
else: y = npy.asarray(y)
if xerr is not None:
- if not iterable(xerr): xerr = npy.asarray([xerr])
+ if not iterable(xerr): xerr = npy.array([xerr])
else: xerr = npy.asarray(xerr)
if yerr is not None:
- if not iterable(yerr): yerr = npy.asarray([yerr])
+ if not iterable(yerr): yerr = npy.array([yerr])
else: yerr = npy.asarray(yerr)
l0 = None
@@ -3607,6 +3615,18 @@
if 'lw' in kwargs:
lines_kw['lw']=kwargs['lw']
+ if not iterable(lolims): lolims = npy.array([lolims]*len(x), bool)
+ else: lolims = npy.asarray(lolims, bool)
+
+ if not iterable(uplims): uplims = npy.array([uplims]*len(x), bool)
+ else: uplims = npy.asarray(uplims, bool)
+
+ if not iterable(xlolims): xlolims = npy.array([xlolims]*len(x), bool)
+ else: xlolims = npy.asarray(xlolims, bool)
+
+ if not iterable(xuplims): xuplims = npy.array([xuplims]*len(x), bool)
+ else: xuplims = npy.asarray(xuplims, bool)
+
if capsize > 0:
plot_kw = {
'ms':2*capsize,
@@ -3626,9 +3646,20 @@
barcols.append( self.hlines(y, left, right, **lines_kw ) )
if capsize > 0:
- caplines.extend( self.plot(left, y, 'k|', **plot_kw) )
- caplines.extend( self.plot(right, y, 'k|', **plot_kw) )
+ if xlolims.any():
+ caplines.extend( self.plot(left[xlolims], y[xlolims],
ls='None', marker=mlines.CARETLEFT, **plot_kw) )
+ xlolims = ~xlolims
+ caplines.extend( self.plot(left[xlolims], y[xlolims],
'k|', **plot_kw) )
+ else:
+ caplines.extend( self.plot(left, y, 'k|', **plot_kw) )
+ if xuplims.any():
+ caplines.extend( self.plot(right[xuplims], y[xuplims],
ls='None', marker=mlines.CARETRIGHT, **plot_kw) )
+ xuplims = ~xuplims
+ caplines.extend( self.plot(right[xuplims], y[xuplims],
'k|', **plot_kw) )
+ else:
+ caplines.extend( self.plot(right, y, 'k|', **plot_kw) )
+
if yerr is not None:
if len(yerr.shape) == 1:
lower = y-yerr
@@ -3639,9 +3670,21 @@
barcols.append( self.vlines(x, lower, upper, **lines_kw) )
if capsize > 0:
- caplines.extend( self.plot(x, lower, 'k_', **plot_kw) )
- caplines.extend( self.plot(x, upper, 'k_', **plot_kw) )
+ if lolims.any():
+ caplines.extend( self.plot(x[lolims], lower[lolims],
ls='None', marker=mlines.CARETDOWN, **plot_kw) )
+ lolims = ~lolims
+ caplines.extend( self.plot(x[lolims], lower[lolims], 'k_',
**plot_kw) )
+ else:
+ caplines.extend( self.plot(x, lower, 'k_', **plot_kw) )
+
+ if uplims.any():
+ caplines.extend( self.plot(x[uplims], upper[uplims],
ls='None', marker=mlines.CARETUP, **plot_kw) )
+ uplims = ~uplims
+ caplines.extend( self.plot(x[uplims], upper[uplims], 'k_',
**plot_kw) )
+ else:
+ caplines.extend( self.plot(x, upper, 'k_', **plot_kw) )
+
if not barsabove and fmt is not None:
l0, = self.plot(x,y,fmt,**kwargs)
Modified: trunk/matplotlib/lib/matplotlib/lines.py
===================================================================
--- trunk/matplotlib/lib/matplotlib/lines.py 2007-09-03 22:16:19 UTC (rev
3771)
+++ trunk/matplotlib/lib/matplotlib/lines.py 2007-09-04 05:53:56 UTC (rev
3772)
@@ -21,7 +21,9 @@
from transforms import lbwh_to_bbox, LOG10
from matplotlib import rcParams
-TICKLEFT, TICKRIGHT, TICKUP, TICKDOWN = range(4)
+# special-purpose marker identifiers:
+(TICKLEFT, TICKRIGHT, TICKUP, TICKDOWN,
+ CARETLEFT, CARETRIGHT, CARETUP, CARETDOWN) = range(8)
def unmasked_index_ranges(mask, compressed = True):
'''
@@ -97,7 +99,7 @@
point_hits = (cx - x)**2 + (cy - y)**2 <= radius**2
#if any(point_hits): print "points",xr[candidates]
candidates = candidates & ~point_hits[:-1] & ~point_hits[1:]
-
+
# For those candidates which remain, determine how far they lie away
# from the line.
px,py = xr+u*dx,yr+u*dy
@@ -147,6 +149,10 @@
TICKRIGHT : '_draw_tickright',
TICKUP : '_draw_tickup',
TICKDOWN : '_draw_tickdown',
+ CARETLEFT : '_draw_caretleft',
+ CARETRIGHT : '_draw_caretright',
+ CARETUP : '_draw_caretup',
+ CARETDOWN : '_draw_caretdown',
'None' : '_draw_nothing',
' ' : '_draw_nothing',
'' : '_draw_nothing',
@@ -1201,6 +1207,62 @@
renderer.draw_line(gc, x, y, x-offset2, y+offset1)
renderer.draw_line(gc, x, y, x-offset2, y-offset1)
+ def _draw_caretdown(self, renderer, gc, xt, yt):
+ offset = 0.5*renderer.points_to_pixels(self._markersize)
+ offset1 = 1.5*offset
+ if self._newstyle:
+ path = agg.path_storage()
+ path.move_to(-offset, offset1)
+ path.line_to(0, 0)
+ path.line_to(+offset, offset1)
+ renderer.draw_markers(gc, path, None, xt, yt, self.get_transform())
+ else:
+ for (x,y) in zip(xt, yt):
+ renderer.draw_line(gc, x-offset, y+offset1, x, y)
+ renderer.draw_line(gc, x, y, x+offset, y+offset1)
+
+ def _draw_caretup(self, renderer, gc, xt, yt):
+ offset = 0.5*renderer.points_to_pixels(self._markersize)
+ offset1 = 1.5*offset
+ if self._newstyle:
+ path = agg.path_storage()
+ path.move_to(-offset, -offset1)
+ path.line_to(0, 0)
+ path.line_to(+offset, -offset1)
+ renderer.draw_markers(gc, path, None, xt, yt, self.get_transform())
+ else:
+ for (x,y) in zip(xt, yt):
+ renderer.draw_line(gc, x-offset, y-offset1, x, y)
+ renderer.draw_line(gc, x, y, x+offset, y-offset1)
+
+ def _draw_caretleft(self, renderer, gc, xt, yt):
+ offset = 0.5*renderer.points_to_pixels(self._markersize)
+ offset1 = 1.5*offset
+ if self._newstyle:
+ path = agg.path_storage()
+ path.move_to(offset1, -offset)
+ path.line_to(0, 0)
+ path.line_to(offset1, offset)
+ renderer.draw_markers(gc, path, None, xt, yt, self.get_transform())
+ else:
+ for (x,y) in zip(xt, yt):
+ renderer.draw_line(gc, x+offset1, y-offset, x, y)
+ renderer.draw_line(gc, x, y, x+offset1, y+offset)
+
+ def _draw_caretright(self, renderer, gc, xt, yt):
+ offset = 0.5*renderer.points_to_pixels(self._markersize)
+ offset1 = 1.5*offset
+ if self._newstyle:
+ path = agg.path_storage()
+ path.move_to(-offset1, -offset)
+ path.line_to(0, 0)
+ path.line_to(-offset1, offset)
+ renderer.draw_markers(gc, path, None, xt, yt, self.get_transform())
+ else:
+ for (x,y) in zip(xt, yt):
+ renderer.draw_line(gc, x-offset1, y-offset, x, y)
+ renderer.draw_line(gc, x, y, x-offset1, y+offset)
+
def _draw_x(self, renderer, gc, xt, yt):
offset = 0.5*renderer.points_to_pixels(self._markersize)
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