Revision: 7619
http://matplotlib.svn.sourceforge.net/matplotlib/?rev=7619&view=rev
Author: ryanmay
Date: 2009-08-31 17:42:37 +0000 (Mon, 31 Aug 2009)
Log Message:
-----------
Merged revisions 7616-7618 via svnmerge from
https://matplotlib.svn.sourceforge.net/svnroot/matplotlib/branches/v0_99_maint
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r7616 | ryanmay | 2009-08-31 12:27:12 -0500 (Mon, 31 Aug 2009) | 1 line
Update barb_demo.py with an example using masked arrays.
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r7617 | ryanmay | 2009-08-31 12:29:41 -0500 (Mon, 31 Aug 2009) | 1 line
Pull _parse_args out of Quiver and Barbs classes, as we have multiple,
diverging copies of the same code. Now the shared code will actually be shared.
........
r7618 | ryanmay | 2009-08-31 12:34:50 -0500 (Mon, 31 Aug 2009) | 1 line
Use atleast_1d instead of asanyarray. This allows passing in scalars to
quiver/barbs.
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Modified Paths:
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trunk/matplotlib/examples/pylab_examples/barb_demo.py
trunk/matplotlib/lib/matplotlib/quiver.py
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trunk/matplotlib/doc/pyplots/README
trunk/matplotlib/doc/sphinxext/gen_gallery.py
trunk/matplotlib/doc/sphinxext/gen_rst.py
trunk/matplotlib/examples/misc/multiprocess.py
trunk/matplotlib/examples/mplot3d/contour3d_demo.py
trunk/matplotlib/examples/mplot3d/contourf3d_demo.py
trunk/matplotlib/examples/mplot3d/polys3d_demo.py
trunk/matplotlib/examples/mplot3d/scatter3d_demo.py
trunk/matplotlib/examples/mplot3d/surface3d_demo.py
trunk/matplotlib/examples/mplot3d/wire3d_demo.py
trunk/matplotlib/lib/matplotlib/sphinxext/mathmpl.py
trunk/matplotlib/lib/matplotlib/sphinxext/only_directives.py
trunk/matplotlib/lib/matplotlib/sphinxext/plot_directive.py
Property changes on: trunk/matplotlib
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Modified: svnmerge-integrated
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/branches/v0_99_maint/examples/mplot3d/surface3d_demo.py:7338,7393,7395-7404,7407-7424,7428-7433,7442-7444,7446,7475-7482,7484,7486,7489-7523,7567,7569,7582-7584
+ /branches/v0_91_maint/examples/mplot3d/surface.py:5753-5771
/branches/v0_98_5_maint/examples/mplot3d/surface.py:6581,6585,6587,6589-6609,6614,6616,6625,6652,6660-6662,6672-6673,6714-6715,6717-6732,6752-6754,6761-6773,6781,6792,6800,6802,6805,6809,6811,6822,6827,6850,6854,6856,6859,6861-6873,6883-6884,6886,6890-6891,6906-6909,6911-6912,6915-6916,6918,6920-6925,6927-6928,6934,6941,6946,6948,6950,6952,6960,6972,6984-6985,6990,6995,6997-7001,7014,7016,7018,7024-7025,7033,7035,7042,7072,7080
/branches/v0_99_maint/examples/mplot3d/surface3d_demo.py:7338,7393,7395-7404,7407-7424,7428-7433,7442-7444,7446,7475-7482,7484,7486,7489-7523,7567,7569,7582-7584,7616-7618
Property changes on: trunk/matplotlib/examples/mplot3d/wire3d_demo.py
___________________________________________________________________
Modified: svn:mergeinfo
- /branches/v0_91_maint/examples/mplot3d/wire.py:5753-5771
/branches/v0_98_5_maint/examples/mplot3d/wire.py:6581,6585,6587,6589-6609,6614,6616,6625,6652,6660-6662,6672-6673,6714-6715,6717-6732,6752-6754,6761-6773,6781,6792,6800,6802,6805,6809,6811,6822,6827,6850,6854,6856,6859,6861-6873,6883-6884,6886,6890-6891,6906-6909,6911-6912,6915-6916,6918,6920-6925,6927-6928,6934,6941,6946,6948,6950,6952,6960,6972,6984-6985,6990,6995,6997-7001,7014,7016,7018,7024-7025,7033,7035,7042,7072,7080
/branches/v0_99_maint/examples/mplot3d/wire3d_demo.py:7338,7393,7395-7404,7407-7424,7428-7433,7442-7444,7446,7475-7482,7484,7486,7489-7523,7567,7569,7582-7584
+ /branches/v0_91_maint/examples/mplot3d/wire.py:5753-5771
/branches/v0_98_5_maint/examples/mplot3d/wire.py:6581,6585,6587,6589-6609,6614,6616,6625,6652,6660-6662,6672-6673,6714-6715,6717-6732,6752-6754,6761-6773,6781,6792,6800,6802,6805,6809,6811,6822,6827,6850,6854,6856,6859,6861-6873,6883-6884,6886,6890-6891,6906-6909,6911-6912,6915-6916,6918,6920-6925,6927-6928,6934,6941,6946,6948,6950,6952,6960,6972,6984-6985,6990,6995,6997-7001,7014,7016,7018,7024-7025,7033,7035,7042,7072,7080
/branches/v0_99_maint/examples/mplot3d/wire3d_demo.py:7338,7393,7395-7404,7407-7424,7428-7433,7442-7444,7446,7475-7482,7484,7486,7489-7523,7567,7569,7582-7584,7616-7618
Modified: trunk/matplotlib/examples/pylab_examples/barb_demo.py
===================================================================
--- trunk/matplotlib/examples/pylab_examples/barb_demo.py 2009-08-31
17:34:50 UTC (rev 7618)
+++ trunk/matplotlib/examples/pylab_examples/barb_demo.py 2009-08-31
17:42:37 UTC (rev 7619)
@@ -28,7 +28,7 @@
ax.barbs(data['x'], data['y'], data['u'], data['v'], length=8, pivot='middle')
#Showing colormapping with uniform grid. Fill the circle for an empty barb,
-#don't round the values, and change some of the size parameters
+#don't round the values, and change some of the size parameters
ax = plt.subplot(2,2,3)
ax.barbs(X, Y, U, V, np.sqrt(U*U + V*V), fill_empty=True, rounding=False,
sizes=dict(emptybarb=0.25, spacing=0.2, height=0.3))
@@ -39,4 +39,15 @@
barbcolor=['b','g'], barb_increments=dict(half=10, full=20, flag=100),
flip_barb=True)
+#Masked arrays are also supported
+masked_u = np.ma.masked_array(data['u'])
+masked_u[4] = 1000 #Bad value that should not be plotted when masked
+masked_u[4] = np.ma.masked
+
+#Identical plot to panel 2 in the first figure, but with the point at
+#(0.5, 0.25) missing (masked)
+fig2 = plt.figure()
+ax = fig2.add_subplot(1, 1, 1)
+ax.barbs(data['x'], data['y'], masked_u, data['v'], length=8, pivot='middle')
+
plt.show()
Modified: trunk/matplotlib/lib/matplotlib/quiver.py
===================================================================
--- trunk/matplotlib/lib/matplotlib/quiver.py 2009-08-31 17:34:50 UTC (rev
7618)
+++ trunk/matplotlib/lib/matplotlib/quiver.py 2009-08-31 17:42:37 UTC (rev
7619)
@@ -325,6 +325,33 @@
quiverkey_doc = _quiverkey_doc
+# This is a helper function that parses out the various combination of
+# arguments for doing colored vector plots. Pulling it out here
+# allows both Quiver and Barbs to use it
+def _parse_args(*args):
+ X, Y, U, V, C = [None]*5
+ args = list(args)
+
+ # The use of atleast_1d allows for handling scalar arguments while also
+ # keeping masked arrays
+ if len(args) == 3 or len(args) == 5:
+ C = np.atleast_1d(args.pop(-1))
+ V = np.atleast_1d(args.pop(-1))
+ U = np.atleast_1d(args.pop(-1))
+ if U.ndim == 1:
+ nr, nc = 1, U.shape[0]
+ else:
+ nr, nc = U.shape
+ if len(args) == 2: # remaining after removing U,V,C
+ X, Y = [np.array(a).ravel() for a in args]
+ if len(X) == nc and len(Y) == nr:
+ X, Y = [a.ravel() for a in np.meshgrid(X, Y)]
+ else:
+ indexgrid = np.meshgrid(np.arange(nc), np.arange(nr))
+ X, Y = [np.ravel(a) for a in indexgrid]
+ return X, Y, U, V, C
+
+
class Quiver(collections.PolyCollection):
"""
Specialized PolyCollection for arrows.
@@ -351,7 +378,7 @@
by the following pylab interface documentation:
%s"""
self.ax = ax
- X, Y, U, V, C = self._parse_args(*args)
+ X, Y, U, V, C = _parse_args(*args)
self.X = X
self.Y = Y
self.XY = np.hstack((X[:,np.newaxis], Y[:,np.newaxis]))
@@ -390,26 +417,6 @@
self.ax.figure.callbacks.connect('dpi_changed', on_dpi_change)
- def _parse_args(self, *args):
- X, Y, U, V, C = [None]*5
- args = list(args)
- if len(args) == 3 or len(args) == 5:
- C = np.asanyarray(args.pop(-1))
- V = np.asanyarray(args.pop(-1))
- U = np.asanyarray(args.pop(-1))
- if U.ndim == 1:
- nr, nc = 1, U.shape[0]
- else:
- nr, nc = U.shape
- if len(args) == 2: # remaining after removing U,V,C
- X, Y = [np.array(a).ravel() for a in args]
- if len(X) == nc and len(Y) == nr:
- X, Y = [a.ravel() for a in np.meshgrid(X, Y)]
- else:
- indexgrid = np.meshgrid(np.arange(nc), np.arange(nr))
- X, Y = [np.ravel(a) for a in indexgrid]
- return X, Y, U, V, C
-
def _init(self):
"""initialization delayed until first draw;
allow time for axes setup.
@@ -762,7 +769,7 @@
kw['facecolors'] = flagcolor
#Parse out the data arrays from the various configurations supported
- x, y, u, v, c = self._parse_args(*args)
+ x, y, u, v, c = _parse_args(*args)
self.x = x
self.y = y
xy = np.hstack((x[:,np.newaxis], y[:,np.newaxis]))
@@ -942,28 +949,6 @@
return barb_list
- #Taken shamelessly from Quiver
- def _parse_args(self, *args):
- X, Y, U, V, C = [None]*5
- args = list(args)
- if len(args) == 3 or len(args) == 5:
- C = ma.masked_invalid(args.pop(-1), copy=False).ravel()
- V = ma.masked_invalid(args.pop(-1), copy=False)
- U = ma.masked_invalid(args.pop(-1), copy=False)
- nn = np.shape(U)
- nc = nn[0]
- nr = 1
- if len(nn) > 1:
- nr = nn[1]
- if len(args) == 2: # remaining after removing U,V,C
- X, Y = [np.array(a).ravel() for a in args]
- if len(X) == nc and len(Y) == nr:
- X, Y = [a.ravel() for a in np.meshgrid(X, Y)]
- else:
- indexgrid = np.meshgrid(np.arange(nc), np.arange(nr))
- X, Y = [np.ravel(a) for a in indexgrid]
- return X, Y, U, V, C
-
def set_UVC(self, U, V, C=None):
self.u = ma.masked_invalid(U, copy=False).ravel()
self.v = ma.masked_invalid(V, copy=False).ravel()
Property changes on: trunk/matplotlib/lib/matplotlib/sphinxext/mathmpl.py
___________________________________________________________________
Modified: svn:mergeinfo
- /branches/v0_91_maint/doc/sphinxext/mathmpl.py:5753-5771
/branches/v0_98_5_maint/lib/matplotlib/sphinxext/mathmpl.py:6946,6948,6950,6952,6960,6972,6984-6985,6990,6995,6997-7001,7014,7016,7018,7024-7025,7033,7035,7042,7072,7080,7176,7209-7211,7227,7245
/branches/v0_99_maint/lib/matplotlib/sphinxext/mathmpl.py:7338,7393,7395-7404,7407-7424,7428-7433,7442-7444,7446,7475-7482,7484,7486,7489-7523,7567,7569,7582-7584
+ /branches/v0_91_maint/doc/sphinxext/mathmpl.py:5753-5771
/branches/v0_98_5_maint/lib/matplotlib/sphinxext/mathmpl.py:6946,6948,6950,6952,6960,6972,6984-6985,6990,6995,6997-7001,7014,7016,7018,7024-7025,7033,7035,7042,7072,7080,7176,7209-7211,7227,7245
/branches/v0_99_maint/lib/matplotlib/sphinxext/mathmpl.py:7338,7393,7395-7404,7407-7424,7428-7433,7442-7444,7446,7475-7482,7484,7486,7489-7523,7567,7569,7582-7584,7616-7618
Property changes on:
trunk/matplotlib/lib/matplotlib/sphinxext/only_directives.py
___________________________________________________________________
Modified: svn:mergeinfo
- /branches/v0_91_maint/doc/sphinxext/only_directives.py:5753-5771
/branches/v0_98_5_maint/lib/matplotlib/sphinxext/only_directives.py:6946,6948,6950,6952,6960,6972,6984-6985,6990,6995,6997-7001,7014,7016,7018,7024-7025,7033,7035,7042,7072,7080,7176,7209-7211,7227,7245
/branches/v0_99_maint/lib/matplotlib/sphinxext/only_directives.py:7338,7393,7395-7404,7407-7424,7428-7433,7442-7444,7446,7475-7482,7484,7486,7489-7523,7567,7569,7582-7584
+ /branches/v0_91_maint/doc/sphinxext/only_directives.py:5753-5771
/branches/v0_98_5_maint/lib/matplotlib/sphinxext/only_directives.py:6946,6948,6950,6952,6960,6972,6984-6985,6990,6995,6997-7001,7014,7016,7018,7024-7025,7033,7035,7042,7072,7080,7176,7209-7211,7227,7245
/branches/v0_99_maint/lib/matplotlib/sphinxext/only_directives.py:7338,7393,7395-7404,7407-7424,7428-7433,7442-7444,7446,7475-7482,7484,7486,7489-7523,7567,7569,7582-7584,7616-7618
Property changes on: trunk/matplotlib/lib/matplotlib/sphinxext/plot_directive.py
___________________________________________________________________
Modified: svn:mergeinfo
- /branches/v0_91_maint/doc/sphinxext/plot_directive.py:5753-5771
/branches/v0_98_5_maint/lib/matplotlib/sphinxext/plot_directive.py:6920-6925,6934,6941,6946,6948,6950,6952,6960,6972,6984-6985,6990,6995,6997-7001,7014,7016,7018,7024-7025,7033,7035,7042,7072,7080,7176,7209-7211,7227,7245
/branches/v0_99_maint/lib/matplotlib/sphinxext/plot_directive.py:7338,7393,7395-7404,7407-7424,7428-7433,7442-7444,7446,7475-7482,7484,7486,7489-7523,7567,7569,7582-7584
+ /branches/v0_91_maint/doc/sphinxext/plot_directive.py:5753-5771
/branches/v0_98_5_maint/lib/matplotlib/sphinxext/plot_directive.py:6920-6925,6934,6941,6946,6948,6950,6952,6960,6972,6984-6985,6990,6995,6997-7001,7014,7016,7018,7024-7025,7033,7035,7042,7072,7080,7176,7209-7211,7227,7245
/branches/v0_99_maint/lib/matplotlib/sphinxext/plot_directive.py:7338,7393,7395-7404,7407-7424,7428-7433,7442-7444,7446,7475-7482,7484,7486,7489-7523,7567,7569,7582-7584,7616-7618
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