Revision: 6687
http://matplotlib.svn.sourceforge.net/matplotlib/?rev=6687&view=rev
Author: leejjoon
Date: 2008-12-19 22:48:11 +0000 (Fri, 19 Dec 2008)
Log Message:
-----------
axes_locator in the Axes class
Modified Paths:
--------------
trunk/matplotlib/CHANGELOG
trunk/matplotlib/lib/matplotlib/axes.py
Added Paths:
-----------
trunk/matplotlib/examples/pylab_examples/axes_divider.py
trunk/matplotlib/examples/pylab_examples/axes_grid.py
Modified: trunk/matplotlib/CHANGELOG
===================================================================
--- trunk/matplotlib/CHANGELOG 2008-12-19 21:41:11 UTC (rev 6686)
+++ trunk/matplotlib/CHANGELOG 2008-12-19 22:48:11 UTC (rev 6687)
@@ -1,3 +1,6 @@
+2008-12-19 Add axes_locator attribute in Axes. Two examples are added.
+ - JJL
+
2008-12-19 Update Axes.legend documnetation. /api/api_changes.rst is also
updated to describe chages in keyword parameters.
Issue a warning if old keyword parameters are used. - JJL
Added: trunk/matplotlib/examples/pylab_examples/axes_divider.py
===================================================================
--- trunk/matplotlib/examples/pylab_examples/axes_divider.py
(rev 0)
+++ trunk/matplotlib/examples/pylab_examples/axes_divider.py 2008-12-19
22:48:11 UTC (rev 6687)
@@ -0,0 +1,638 @@
+
+import matplotlib.axes as maxes
+import matplotlib.transforms as mtransforms
+
+import matplotlib.cbook as cbook
+
+import new
+
+
+class Size(object):
+
+ @classmethod
+ def from_any(self, size, fraction_ref=None):
+ if cbook.is_numlike(size):
+ return Size.Fixed(size)
+ elif cbook.is_string_like(size):
+ if size[-1] == "%":
+ return Size.Fraction(fraction_ref, float(size[:-1])/100.)
+
+ raise ValueError("")
+
+
+
+ class _Base(object):
+ pass
+
+ class Fixed(_Base):
+ def __init__(self, fixed_size):
+ self._fixed_size = fixed_size
+
+ def get_size(self, renderer):
+ rel_size = 0.
+ abs_size = self._fixed_size
+ return rel_size, abs_size
+
+ class Scalable(_Base):
+ def __init__(self, scalable_size):
+ self._scalable_size = scalable_size
+
+ def get_size(self, renderer):
+ rel_size = self._scalable_size
+ abs_size = 0.
+ return rel_size, abs_size
+
+
+ class AxesX(_Base):
+ def __init__(self, axes, aspect=1.):
+ self._axes = axes
+ self._aspect = aspect
+
+ def get_size(self, renderer):
+ l1, l2 = self._axes.get_xlim()
+ rel_size = abs(l2-l1)*self._aspect
+ abs_size = 0.
+ return rel_size, abs_size
+
+ class AxesY(_Base):
+ def __init__(self, axes, aspect=1.):
+ self._axes = axes
+ self._aspect = aspect
+
+ def get_size(self, renderer):
+ l1, l2 = self._axes.get_ylim()
+ rel_size = abs(l2-l1)*self._aspect
+ abs_size = 0.
+ return rel_size, abs_size
+
+
+ class MaxExtent(_Base):
+ def __init__(self, artist_list, w_or_h):
+ self._artist_list = artist_list
+
+ if w_or_h not in ["width", "height"]:
+ raise ValueError()
+
+ self._w_or_h = w_or_h
+
+ def add_artist(self, a):
+ self._artist_list.append(a)
+
+ def get_size(self, renderer):
+ rel_size = 0.
+ w_list, h_list = [], []
+ for a in self._artist_list:
+ bb = a.get_window_extent(renderer)
+ w_list.append(bb.width)
+ h_list.append(bb.height)
+ dpi = a.get_figure().get_dpi()
+ if self._w_or_h == "width":
+ abs_size = max(w_list)/dpi
+ elif self._w_or_h == "height":
+ abs_size = max(h_list)/dpi
+
+ return rel_size, abs_size
+
+ class Fraction(_Base):
+ def __init__(self, size, fraction):
+ self._size = size
+ self._fraction = fraction
+
+ def get_size(self, renderer):
+ r, a = self._size.get_size(renderer)
+ rel_size = r*self._fraction
+ abs_size = a*self._fraction
+ return rel_size, abs_size
+
+ class Padded(_Base):
+ def __init__(self, size, pad):
+ self._size = size
+ self._pad = pad
+
+ def get_size(self, renderer):
+ r, a = self._size.get_size(renderer)
+ rel_size = r
+ abs_size = a + self._pad
+ return rel_size, abs_size
+
+
+
+class AxesLocator(object):
+ def __init__(self, axes_divider, nx, ny, nx1=None, ny1=None):
+
+ self._axes_divider = axes_divider
+
+ _xrefindex = axes_divider._xrefindex
+ _yrefindex = axes_divider._yrefindex
+
+ self._nx, self._ny = nx - _xrefindex, ny - _yrefindex
+
+ if nx1 is None:
+ nx1 = nx+1
+ if ny1 is None:
+ ny1 = ny+1
+
+ self._nx1 = nx1 - _xrefindex
+ self._ny1 = ny1 - _yrefindex
+
+
+ def __call__(self, axes, renderer):
+
+ _xrefindex = self._axes_divider._xrefindex
+ _yrefindex = self._axes_divider._yrefindex
+
+ return self._axes_divider.locate(self._nx + _xrefindex, self._ny +
_yrefindex,
+ self._nx1 + _xrefindex, self._ny1 +
_yrefindex,
+ renderer)
+
+
+class Divider(object):
+
+ def __init__(self, fig, pos, horizontal, vertical, aspect=None,
anchor="C"):
+ self._fig = fig
+ self._pos = pos
+ self._horizontal = horizontal
+ self._vertical = vertical
+ self._anchor = anchor
+ self._aspect = aspect
+ self._xrefindex = 0
+ self._yrefindex = 0
+
+
+ @staticmethod
+ def _calc_k(l, total_size, renderer):
+
+ rs_sum, as_sum = 0., 0.
+
+ for s in l:
+ rs, as = s.get_size(renderer)
+ rs_sum += rs
+ as_sum += as
+
+ k = (total_size - as_sum) / rs_sum
+ return k
+
+
+ @staticmethod
+ def _calc_offsets(l, k, renderer):
+
+ offsets = [0.]
+
+ for s in l:
+ rs, as = s.get_size(renderer)
+ offsets.append(offsets[-1] + rs*k + as)
+
+ return offsets
+
+
+ def set_position(self, pos):
+ self._pos = pos
+
+ def get_position(self):
+ return self._pos
+
+ def set_anchor(self, anchor):
+ """
+ *anchor*
+
+ ===== ============
+ value description
+ ===== ============
+ 'C' Center
+ 'SW' bottom left
+ 'S' bottom
+ 'SE' bottom right
+ 'E' right
+ 'NE' top right
+ 'N' top
+ 'NW' top left
+ 'W' left
+ ===== ============
+
+ """
+ if anchor in mtransforms.Bbox.coefs.keys() or len(anchor) == 2:
+ self._anchor = anchor
+ else:
+ raise ValueError('argument must be among %s' %
+ ', '.join(mtransforms.BBox.coefs.keys()))
+
+
+ def set_horizontal(self, h):
+ self._horizontal = h
+
+ def get_horizontal(self):
+ return self._horizontal
+
+ def set_vertical(self, v):
+ self._vertical = v
+
+ def get_vertical(self):
+ return self._vertical
+
+
+ def get_anchor(self):
+ return self._anchor
+
+
+ def set_aspect(self, aspect=False):
+ """
+ *aspect* : True or False
+ """
+ self._aspect = aspect
+
+ def get_aspect(self):
+ return self._aspect
+
+
+ def locate(self, nx, ny, nx1=None, ny1=None, renderer=None):
+
+
+ figW,figH = self._fig.get_size_inches()
+ x, y, w, h = self.get_position()
+
+ k_h = self._calc_k(self._horizontal, figW*w, renderer)
+ k_v = self._calc_k(self._vertical, figH*h, renderer)
+
+ if self.get_aspect():
+ k = min(k_h, k_v)
+ ox = self._calc_offsets(self._horizontal, k, renderer)
+ oy = self._calc_offsets(self._vertical, k, renderer)
+ else:
+ ox = self._calc_offsets(self._horizontal, k_h, renderer)
+ oy = self._calc_offsets(self._vertical, k_v, renderer)
+
+
+ ww = (ox[-1] - ox[0])/figW
+ hh = (oy[-1] - oy[0])/figH
+ pb = mtransforms.Bbox.from_bounds(x, y, w, h)
+ pb1 = mtransforms.Bbox.from_bounds(x, y, ww, hh)
+ pb1_anchored = pb1.anchored(self.get_anchor(), pb)
+
+ if nx1 is None:
+ nx1=nx+1
+ if ny1 is None:
+ ny1=ny+1
+
+ x0, y0 = pb1_anchored.x0, pb1_anchored.y0
+ x1, w1 = x0 + ox[nx]/figW, (ox[nx1] - ox[nx])/figW
+ y1, h1 = y0 + oy[ny]/figH, (oy[ny1] - oy[ny])/figH
+
+ return mtransforms.Bbox.from_bounds(x1, y1, w1, h1)
+
+
+ def new_locator(self, nx, ny, nx1=None, ny1=None):
+ return AxesLocator(self, nx, ny, nx1, ny1)
+
+
+class SubplotDivider(Divider):
+
+ def __init__(self, fig, *args, **kwargs):
+ """
+ *fig* is a :class:`matplotlib.figure.Figure` instance.
+
+ *args* is the tuple (*numRows*, *numCols*, *plotNum*), where
+ the array of subplots in the figure has dimensions *numRows*,
+ *numCols*, and where *plotNum* is the number of the subplot
+ being created. *plotNum* starts at 1 in the upper left
+ corner and increases to the right.
+
+ If *numRows* <= *numCols* <= *plotNum* < 10, *args* can be the
+ decimal integer *numRows* * 100 + *numCols* * 10 + *plotNum*.
+ """
+
+ self.figure = fig
+
+ if len(args)==1:
+ s = str(args[0])
+ if len(s) != 3:
+ raise ValueError('Argument to subplot must be a 3 digits long')
+ rows, cols, num = map(int, s)
+ elif len(args)==3:
+ rows, cols, num = args
+ else:
+ raise ValueError( 'Illegal argument to subplot')
+
+
+ total = rows*cols
+ num -= 1 # convert from matlab to python indexing
+ # ie num in range(0,total)
+ if num >= total:
+ raise ValueError( 'Subplot number exceeds total subplots')
+ self._rows = rows
+ self._cols = cols
+ self._num = num
+
+ self.update_params()
+
+ pos = self.figbox.bounds
+ horizontal = kwargs.pop("horizontal", [])
+ vertical = kwargs.pop("vertical", [])
+ aspect = kwargs.pop("aspect", None)
+ anchor = kwargs.pop("anchor", "C")
+
+ if kwargs:
+ raise Exception("")
+
+ Divider.__init__(self, fig, pos, horizontal, vertical,
+ aspect=aspect, anchor=anchor)
+
+
+ def get_position(self):
+ self.update_params()
+ return self.figbox.bounds
+
+
+ def update_params(self):
+ 'update the subplot position from fig.subplotpars'
+
+ rows = self._rows
+ cols = self._cols
+ num = self._num
+
+ pars = self.figure.subplotpars
+ left = pars.left
+ right = pars.right
+ bottom = pars.bottom
+ top = pars.top
+ wspace = pars.wspace
+ hspace = pars.hspace
+ totWidth = right-left
+ totHeight = top-bottom
+
+ figH = totHeight/(rows + hspace*(rows-1))
+ sepH = hspace*figH
+
+ figW = totWidth/(cols + wspace*(cols-1))
+ sepW = wspace*figW
+
+ rowNum, colNum = divmod(num, cols)
+
+ figBottom = top - (rowNum+1)*figH - rowNum*sepH
+ figLeft = left + colNum*(figW + sepW)
+
+ self.figbox = mtransforms.Bbox.from_bounds(figLeft, figBottom,
+ figW, figH)
+
+class AxesDivider(Divider):
+
+
+ def __init__(self, axes):
+ self._axes = axes
+ self._xref = Size.AxesX(axes)
+ self._yref = Size.AxesY(axes)
+ Divider.__init__(self, fig=axes.get_figure(), pos=None,
+ horizontal=[self._xref], vertical=[self._yref],
+ aspect=None, anchor="C")
+
+ def new_horizontal(self, size, pad=None, pack_start=False):
+
+ if pad:
+ if not isinstance(pad, Size._Base):
+ pad = Size.from_any(pad,
+ fraction_ref=self._xref)
+ if pack_start:
+ self._horizontal.insert(0, pad)
+ self._xrefindex += 1
+ else:
+ self._horizontal.append(pad)
+
+ if not isinstance(size, Size._Base):
+ size = Size.from_any(size,
+ fraction_ref=self._xref)
+
+ if pack_start:
+ self._horizontal.insert(0, pad)
+ self._xrefindex += 1
+ locator = self.new_locator(nx=0, ny=0)
+ else:
+ self._horizontal.append(size)
+ locator = self.new_locator(nx=len(self._horizontal)-1, ny=0)
+
+ ax = LocatableAxes(self._axes.get_figure(),
+ self._axes.get_position(original=True))
+ locator = self.new_locator(nx=len(self._horizontal)-1, ny=0)
+ ax.set_axes_locator(locator)
+
+ return ax
+
+ def new_vertical(self, size, pad=None, pack_start=False):
+
+ if pad:
+ if not isinstance(pad, Size._Base):
+ pad = Size.from_any(pad,
+ fraction_ref=self._yref)
+ if pack_start:
+ self._vertical.insert(0, pad)
+ self._yrefindex += 1
+ else:
+ self._vertical.append(pad)
+
+ if not isinstance(size, Size._Base):
+ size = Size.from_any(size,
+ fraction_ref=self._yref)
+
+ if pack_start:
+ self._vertical.insert(0, pad)
+ self._yrefindex += 1
+ locator = self.new_locator(nx=0, ny=0)
+ else:
+ self._vertical.append(size)
+ locator = self.new_locator(nx=0, ny=len(self._vertical)-1)
+
+ ax = LocatableAxes(self._axes.get_figure(),
+ self._axes.get_position(original=True))
+ ax.set_axes_locator(locator)
+
+ return ax
+
+
+ def get_aspect(self):
+ if self._aspect is None:
+ aspect = self._axes.get_aspect()
+ if aspect == "auto":
+ return False
+ else:
+ return True
+ else:
+ return self._aspect
+
+ def get_position(self):
+ if self._pos is None:
+ bbox = self._axes.get_position(original=True)
+ return bbox.bounds
+ else:
+ return self._pos
+
+ def get_anchor(self):
+ if self._anchor is None:
+ return self._axes.get_anchor()
+ else:
+ return self._anchor
+
+
+
+class LocatableAxesBase:
+ def __init__(self, *kl, **kw):
+
+ self._axes_class.__init__(self, *kl, **kw)
+
+ self._locator = None
+ self._locator_renderer = None
+
+ def set_axes_locator(self, locator):
+ self._locator = locator
+
+ def get_axes_locator(self):
+ return self._locator
+
+ def apply_aspect(self, position=None):
+
+ if self.get_axes_locator() is None:
+ self._axes_class.apply_apsect(self, position)
+ else:
+ pos = self.get_axes_locator()(self, self._locator_renderer)
+ self._axes_class.apply_aspect(self, position=pos)
+
+
+ def draw(self, renderer=None, inframe=False):
+
+ self._locator_renderer = renderer
+
+ self._axes_class.draw(self, renderer, inframe)
+
+
+
+_locatableaxes_classes = {}
+def locatable_axes_factory(axes_class):
+
+ new_class = _locatableaxes_classes.get(axes_class)
+ if new_class is None:
+ new_class = new.classobj("Locatable%s" % (axes_class.__name__),
+ (LocatableAxesBase, axes_class),
+ {'_axes_class': axes_class})
+ _locatableaxes_classes[axes_class] = new_class
+
+ return new_class
+
+if hasattr(maxes.Axes, "get_axes_locator"):
+ LocatableAxes = maxes.Axes
+else:
+ LocatableAxes = locatable_axes_factory(maxes.Axes)
+
+
+def make_axes_locatable(axes):
+ if not hasattr(axes, "set_axes_locator"):
+ new_class = locatable_axes_factory(type(axes))
+ axes.__class__ = new_class
+
+ divider = AxesDivider(axes)
+ locator = divider.new_locator(nx=0, ny=0)
+ axes.set_axes_locator(locator)
+
+ return divider
+
+
+def get_demo_image():
+ # prepare image
+ delta = 0.5
+
+ extent = (-3,4,-4,3)
+ import numpy as np
+ x = np.arange(-3.0, 4.001, delta)
+ y = np.arange(-4.0, 3.001, delta)
+ X, Y = np.meshgrid(x, y)
+ import matplotlib.mlab as mlab
+ Z1 = mlab.bivariate_normal(X, Y, 1.0, 1.0, 0.0, 0.0)
+ Z2 = mlab.bivariate_normal(X, Y, 1.5, 0.5, 1, 1)
+ Z = (Z1 - Z2) * 10
+
+ return Z, extent
+
+def demo_locatable_axes():
+ import matplotlib.pyplot as plt
+
+ fig1 = plt.figure(1, (6, 6))
+ fig1.clf()
+
+ ## PLOT 1
+ # simple image & colorbar
+ ax = fig1.add_subplot(2, 2, 1)
+
+ Z, extent = get_demo_image()
+
+ im = ax.imshow(Z, extent=extent, interpolation="nearest")
+ cb = plt.colorbar(im)
+ plt.setp(cb.ax.get_yticklabels(), visible=False)
+
+
+ ## PLOT 2
+ # image and colorbar whose location is adjusted in the drawing time.
+ # a hard way
+
+ divider = SubplotDivider(fig1, 2, 2, 2, aspect=True)
+
+ # axes for image
+ ax = LocatableAxes(fig1, divider.get_position())
+
+ # axes for coloarbar
+ ax_cb = LocatableAxes(fig1, divider.get_position())
+
+ h = [Size.AxesX(ax), # main axes
+ Size.Fixed(0.05), # padding, 0.1 inch
+ Size.Fixed(0.2), # colorbar, 0.3 inch
+ ]
+
+ v = [Size.AxesY(ax)]
+
+ divider.set_horizontal(h)
+ divider.set_vertical(v)
+
+ ax.set_axes_locator(divider.new_locator(nx=0, ny=0))
+ ax_cb.set_axes_locator(divider.new_locator(nx=2, ny=0))
+
+ fig1.add_axes(ax)
+ fig1.add_axes(ax_cb)
+
+ ax_cb.yaxis.set_ticks_position("right")
+
+ Z, extent = get_demo_image()
+
+ im = ax.imshow(Z, extent=extent, interpolation="nearest")
+ plt.colorbar(im, cax=ax_cb)
+ plt.setp(ax_cb.get_yticklabels(), visible=False)
+
+ plt.draw()
+ #plt.colorbar(im, cax=ax_cb)
+
+
+ ## PLOT 3
+ # image and colorbar whose location is adjusted in the drawing time.
+ # a easy way
+
+ ax = fig1.add_subplot(2, 2, 3)
+ divider = make_axes_locatable(ax)
+
+ ax_cb = divider.new_horizontal(size="5%", pad=0.05)
+ fig1.add_axes(ax_cb)
+
+ im = ax.imshow(Z, extent=extent, interpolation="nearest")
+ plt.colorbar(im, cax=ax_cb)
+ plt.setp(ax_cb.get_yticklabels(), visible=False)
+
+
+ ## PLOT 4
+ # two images side by sied with fixed padding.
+
+ ax = fig1.add_subplot(2, 2, 4)
+ divider = make_axes_locatable(ax)
+
+ ax2 = divider.new_horizontal(size="100%", pad=0.05)
+ fig1.add_axes(ax2)
+
+ ax.imshow(Z, extent=extent, interpolation="nearest")
+ ax2.imshow(Z, extent=extent, interpolation="nearest")
+ plt.setp(ax2.get_yticklabels(), visible=False)
+ plt.draw()
+
+if __name__ == "__main__":
+ demo_locatable_axes()
Added: trunk/matplotlib/examples/pylab_examples/axes_grid.py
===================================================================
--- trunk/matplotlib/examples/pylab_examples/axes_grid.py
(rev 0)
+++ trunk/matplotlib/examples/pylab_examples/axes_grid.py 2008-12-19
22:48:11 UTC (rev 6687)
@@ -0,0 +1,343 @@
+import matplotlib.cbook as cbook
+
+import matplotlib.pyplot as plt
+
+from axes_divider import Size, SubplotDivider, LocatableAxes, Divider,
get_demo_image
+
+class AxesGrid(object):
+
+ def __init__(self, fig, rect,
+ nrows_ncols,
+ ngrids = None,
+ direction="row",
+ axes_pad = 0.02,
+ axes_class=None,
+ add_all=True,
+ share_all=False,
+ aspect=True,
+ label_mode="L",
+ colorbar_mode=None,
+ colorbar_location="right",
+ colorbar_pad=None,
+ colorbar_size="5%",
+ ):
+
+ self._nrows, self._ncols = nrows_ncols
+
+ if ngrids is None:
+ ngrids = self._nrows * self._ncols
+ else:
+ if (ngrids > self._nrows * self._ncols) or (ngrids <= 0):
+ raise Exception("")
+
+ self.ngrids = ngrids
+
+ self._axes_pad = axes_pad
+
+ self._colorbar_mode = colorbar_mode
+ self._colorbar_location = colorbar_location
+ if colorbar_pad is None:
+ self._colorbar_pad = axes_pad
+ else:
+ self._colorbar_pad = colorbar_pad
+
+ self._colorbar_size = colorbar_size
+
+ if direction not in ["column", "row"]:
+ raise Exception("")
+
+ self._direction = direction
+
+
+ if axes_class is None:
+ axes_class = LocatableAxes
+
+
+ self.axes_all = []
+ self.axes_column = [[] for i in range(self._ncols)]
+ self.axes_row = [[] for i in range(self._nrows)]
+
+ self.cbar_axes = []
+
+ h = []
+ v = []
+ if cbook.is_string_like(rect) or cbook.is_numlike(rect):
+ self._divider = SubplotDivider(fig, rect, horizontal=h, vertical=v,
+ aspect=aspect)
+ elif len(rect) == 3:
+ kw = dict(horizontal=h, vertical=v, aspect=aspect)
+ self._divider = SubplotDivider(fig, *rect, **kw)
+ elif len(rect) == 4:
+ self._divider = Divider(fig, rect, horizontal=h, vertical=v,
+ aspect=aspect)
+ else:
+ raise Exception("")
+
+
+ rect = self._divider.get_position()
+
+ # reference axes
+ self._column_refax = [None for i in range(self._ncols)]
+ self._row_refax = [None for i in range(self._nrows)]
+ self._refax = None
+
+ for i in range(self.ngrids):
+
+ col, row = self.get_col_row(i)
+
+ if share_all:
+ sharex = self._refax
+ sharey = self._refax
+ else:
+ sharex = self._column_refax[col]
+ sharey = self._row_refax[row]
+
+ ax = axes_class(fig, rect, sharex=sharex, sharey=sharey)
+
+ if share_all:
+ if self._refax is None:
+ self._refax = ax
+ else:
+ if sharex is None:
+ self._column_refax[col] = ax
+ if sharey is None:
+ self._row_refax[row] = ax
+
+ self.axes_all.append(ax)
+ self.axes_column[col].append(ax)
+ self.axes_row[row].append(ax)
+
+ cax = axes_class(fig, rect)
+ self.cbar_axes.append(cax)
+
+ self.axes_llc = self.axes_column[0][-1]
+
+ self._update_locators()
+
+ if add_all:
+ for ax in self.axes_all+self.cbar_axes:
+ fig.add_axes(ax)
+
+ self.set_label_mode(label_mode)
+
+
+ def _update_locators(self):
+
+ h = []
+
+ h_ax_pos = []
+ h_cb_pos = []
+ for ax in self._column_refax:
+ if h: h.append(Size.Fixed(self._axes_pad))
+
+ h_ax_pos.append(len(h))
+
+ if ax:
+ sz = Size.AxesX(ax)
+ else:
+ sz = Size.AxesX(self.axes_llc)
+ h.append(sz)
+
+ if self._colorbar_mode == "each" and self._colorbar_location ==
"right":
+ h.append(Size.from_any(self._colorbar_pad, sz))
+ h_cb_pos.append(len(h))
+ h.append(Size.from_any(self._colorbar_size, sz))
+
+
+ v = []
+
+ v_ax_pos = []
+ v_cb_pos = []
+ for ax in self._row_refax[::-1]:
+ if v: v.append(Size.Fixed(self._axes_pad))
+ v_ax_pos.append(len(v))
+ if ax:
+ sz = Size.AxesY(ax)
+ else:
+ sz = Size.AxesY(self.axes_llc)
+ v.append(sz)
+
+
+ if self._colorbar_mode == "each" and self._colorbar_location ==
"top":
+ v.append(Size.from_any(self._colorbar_pad, sz))
+ v_cb_pos.append(len(v))
+ v.append(Size.from_any(self._colorbar_size, sz))
+
+
+ for i in range(self.ngrids):
+ col, row = self.get_col_row(i)
+ #locator = self._divider.new_locator(nx=4*col, ny=2*(self._nrows -
row - 1))
+ locator = self._divider.new_locator(nx=h_ax_pos[col],
+ ny=v_ax_pos[self._nrows -1 -
row])
+ self.axes_all[i].set_axes_locator(locator)
+
+ if self._colorbar_mode == "each":
+ if self._colorbar_location == "right":
+ locator = self._divider.new_locator(nx=h_cb_pos[col],
+
ny=v_ax_pos[self._nrows -1 - row])
+ elif self._colorbar_location == "top":
+ locator = self._divider.new_locator(nx=h_ax_pos[col],
+
ny=v_cb_pos[self._nrows -1 - row])
+ self.cbar_axes[i].set_axes_locator(locator)
+
+
+ if self._colorbar_mode == "single":
+ if self._colorbar_location == "right":
+ sz = Size.Fraction(Size.AxesX(self.axes_llc), self._nrows)
+ h.append(Size.from_any(self._colorbar_pad, sz))
+ h.append(Size.from_any(self._colorbar_size, sz))
+ locator = self._divider.new_locator(nx=-2, ny=0, ny1=-1)
+ elif self._colorbar_location == "top":
+ sz = Size.Fraction(Size.AxesY(self.axes_llc), self._ncols)
+ v.append(Size.from_any(self._colorbar_pad, sz))
+ v.append(Size.from_any(self._colorbar_size, sz))
+ locator = self._divider.new_locator(nx=0, nx1=-1, ny=-2)
+ for i in range(self.ngrids):
+ self.cbar_axes[i].set_visible(False)
+ self.cbar_axes[0].set_axes_locator(locator)
+ self.cbar_axes[0].set_visible(True)
+ elif self._colorbar_mode == "each":
+ for i in range(self.ngrids):
+ self.cbar_axes[i].set_visible(True)
+ else:
+ for i in range(self.ngrids):
+ self.cbar_axes[i].set_visible(False)
+
+ self._divider.set_horizontal(h)
+ self._divider.set_vertical(v)
+
+
+
+ def get_col_row(self, n):
+ if self._direction == "column":
+ col, row = divmod(n, self._nrows)
+ else:
+ row, col = divmod(n, self._ncols)
+
+ return col, row
+
+
+ def __getitem__(self, i):
+ return self.axes_all[i]
+
+
+ def get_geometry(self):
+ return self._nrows, self._ncols
+
+ def set_axes_pad(self, axes_pad):
+ self._axes_pad = axes_pad
+
+ def get_axes_pad(self):
+ return self._axes_pad
+
+ def set_aspect(self, aspect):
+ self._divider.set_aspect(aspect)
+
+ def get_aspect(self):
+ return self._divider.get_aspect()
+
+ def set_label_mode(self, mode):
+ if mode == "all":
+ for ax in self.axes_all:
+ [l.set_visible(True) for l in ax.get_xticklabels()]
+ [l.set_visible(True) for l in ax.get_yticklabels()]
+ elif mode == "L":
+ for ax in self.axes_column[0][:-1]:
+ [l.set_visible(False) for l in ax.get_xticklabels()]
+ [l.set_visible(True) for l in ax.get_yticklabels()]
+ ax = self.axes_column[0][-1]
+ [l.set_visible(True) for l in ax.get_xticklabels()]
+ [l.set_visible(True) for l in ax.get_yticklabels()]
+ for col in self.axes_column[1:]:
+ for ax in col[:-1]:
+ [l.set_visible(False) for l in ax.get_xticklabels()]
+ [l.set_visible(False) for l in ax.get_yticklabels()]
+ ax = col[-1]
+ [l.set_visible(True) for l in ax.get_xticklabels()]
+ [l.set_visible(False) for l in ax.get_yticklabels()]
+ elif mode == "1":
+ for ax in self.axes_all:
+ [l.set_visible(False) for l in ax.get_xticklabels()]
+ [l.set_visible(False) for l in ax.get_yticklabels()]
+ ax = self.axes_llc
+ [l.set_visible(True) for l in ax.get_xticklabels()]
+ [l.set_visible(True) for l in ax.get_yticklabels()]
+
+
+
+if __name__ == "__main__":
+ F = plt.figure(1, (9, 3.5))
+ F.clf()
+
+ F.subplots_adjust(left=0.05, right=0.98)
+
+ grid = AxesGrid(F, 131, # similar to subplot(111)
+ nrows_ncols = (2, 2),
+ direction="row",
+ axes_pad = 0.05,
+ add_all=True,
+ label_mode = "1",
+ )
+
+ Z, extent = get_demo_image()
+ plt.ioff()
+ for i in range(4):
+ im = grid[i].imshow(Z, extent=extent, interpolation="nearest")
+
+ # This only affects axes in first column and second row as share_all =
False.
+ grid.axes_llc.set_xticks([-2, 0, 2])
+ grid.axes_llc.set_yticks([-2, 0, 2])
+ plt.ion()
+
+
+ grid = AxesGrid(F, 132, # similar to subplot(111)
+ nrows_ncols = (2, 2),
+ direction="row",
+ axes_pad = 0.0,
+ add_all=True,
+ share_all=True,
+ label_mode = "1",
+ colorbar_mode="single",
+ )
+
+ Z, extent = get_demo_image()
+ plt.ioff()
+ for i in range(4):
+ im = grid[i].imshow(Z, extent=extent, interpolation="nearest")
+ plt.colorbar(im, cax = grid.cbar_axes[0])
+ plt.setp(grid.cbar_axes[0].get_yticklabels(), visible=False)
+
+ # This affects all axes as share_all = True.
+ grid.axes_llc.set_xticks([-2, 0, 2])
+ grid.axes_llc.set_yticks([-2, 0, 2])
+
+ plt.ion()
+
+
+
+ grid = AxesGrid(F, 133, # similar to subplot(122)
+ nrows_ncols = (2, 2),
+ direction="row",
+ axes_pad = 0.1,
+ add_all=True,
+ label_mode = "1",
+ share_all = True,
+ colorbar_location="top",
+ colorbar_mode="each",
+ colorbar_size="7%",
+ colorbar_pad="2%",
+ )
+ plt.ioff()
+ for i in range(4):
+ im = grid[i].imshow(Z, extent=extent, interpolation="nearest")
+ plt.colorbar(im, cax = grid.cbar_axes[i],
+ orientation="horizontal")
+ grid.cbar_axes[i].xaxis.set_ticks_position("top")
+ plt.setp(grid.cbar_axes[i].get_xticklabels(), visible=False)
+
+ # This affects all axes as share_all = True.
+ grid.axes_llc.set_xticks([-2, 0, 2])
+ grid.axes_llc.set_yticks([-2, 0, 2])
+
+ plt.ion()
+ plt.draw()
Modified: trunk/matplotlib/lib/matplotlib/axes.py
===================================================================
--- trunk/matplotlib/lib/matplotlib/axes.py 2008-12-19 21:41:11 UTC (rev
6686)
+++ trunk/matplotlib/lib/matplotlib/axes.py 2008-12-19 22:48:11 UTC (rev
6687)
@@ -545,6 +545,8 @@
self.set_navigate(True)
self.set_navigate_mode(None)
+ self._axes_locator = None
+
if len(kwargs): martist.setp(self, **kwargs)
if self.xaxis is not None:
@@ -793,6 +795,21 @@
pos = self.get_position(original=True)
self.set_position(pos, which='active')
+ def set_axes_locator(self, locator):
+ """
+ set axes_locator
+
+ ACCEPT : a callable object which takes an axes instance and renderer
and
+ returns a bbox.
+ """
+ self._axes_locator = locator
+
+ def get_axes_locator(self):
+ """
+ return axes_locator
+ """
+ return self._axes_locator
+
def _set_artist_props(self, a):
'set the boilerplate props for artists added to axes'
a.set_figure(self.figure)
@@ -1531,7 +1548,12 @@
if not self.get_visible(): return
renderer.open_group('axes')
- self.apply_aspect()
+ locator = self.get_axes_locator()
+ if locator:
+ pos = locator(self, renderer)
+ self.apply_aspect(pos)
+ else:
+ self.apply_aspect()
# the patch draws the background rectangle -- the frame below
# will draw the edges
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