123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753 |
- # axis3d.py, original mplot3d version by John Porter
- # Created: 23 Sep 2005
- # Parts rewritten by Reinier Heeres <reinier@heeres.eu>
- import inspect
- import numpy as np
- import matplotlib as mpl
- from matplotlib import (
- _api, artist, lines as mlines, axis as maxis, patches as mpatches,
- transforms as mtransforms, colors as mcolors)
- from . import art3d, proj3d
- def _move_from_center(coord, centers, deltas, axmask=(True, True, True)):
- """
- For each coordinate where *axmask* is True, move *coord* away from
- *centers* by *deltas*.
- """
- coord = np.asarray(coord)
- return coord + axmask * np.copysign(1, coord - centers) * deltas
- def _tick_update_position(tick, tickxs, tickys, labelpos):
- """Update tick line and label position and style."""
- tick.label1.set_position(labelpos)
- tick.label2.set_position(labelpos)
- tick.tick1line.set_visible(True)
- tick.tick2line.set_visible(False)
- tick.tick1line.set_linestyle('-')
- tick.tick1line.set_marker('')
- tick.tick1line.set_data(tickxs, tickys)
- tick.gridline.set_data([0], [0])
- class Axis(maxis.XAxis):
- """An Axis class for the 3D plots."""
- # These points from the unit cube make up the x, y and z-planes
- _PLANES = (
- (0, 3, 7, 4), (1, 2, 6, 5), # yz planes
- (0, 1, 5, 4), (3, 2, 6, 7), # xz planes
- (0, 1, 2, 3), (4, 5, 6, 7), # xy planes
- )
- # Some properties for the axes
- _AXINFO = {
- 'x': {'i': 0, 'tickdir': 1, 'juggled': (1, 0, 2)},
- 'y': {'i': 1, 'tickdir': 0, 'juggled': (0, 1, 2)},
- 'z': {'i': 2, 'tickdir': 0, 'juggled': (0, 2, 1)},
- }
- def _old_init(self, adir, v_intervalx, d_intervalx, axes, *args,
- rotate_label=None, **kwargs):
- return locals()
- def _new_init(self, axes, *, rotate_label=None, **kwargs):
- return locals()
- def __init__(self, *args, **kwargs):
- params = _api.select_matching_signature(
- [self._old_init, self._new_init], *args, **kwargs)
- if "adir" in params:
- _api.warn_deprecated(
- "3.6", message=f"The signature of 3D Axis constructors has "
- f"changed in %(since)s; the new signature is "
- f"{inspect.signature(type(self).__init__)}", pending=True)
- if params["adir"] != self.axis_name:
- raise ValueError(f"Cannot instantiate {type(self).__name__} "
- f"with adir={params['adir']!r}")
- axes = params["axes"]
- rotate_label = params["rotate_label"]
- args = params.get("args", ())
- kwargs = params["kwargs"]
- name = self.axis_name
- self._label_position = 'default'
- self._tick_position = 'default'
- # This is a temporary member variable.
- # Do not depend on this existing in future releases!
- self._axinfo = self._AXINFO[name].copy()
- # Common parts
- self._axinfo.update({
- 'label': {'va': 'center', 'ha': 'center',
- 'rotation_mode': 'anchor'},
- 'color': mpl.rcParams[f'axes3d.{name}axis.panecolor'],
- 'tick': {
- 'inward_factor': 0.2,
- 'outward_factor': 0.1,
- },
- })
- if mpl.rcParams['_internal.classic_mode']:
- self._axinfo.update({
- 'axisline': {'linewidth': 0.75, 'color': (0, 0, 0, 1)},
- 'grid': {
- 'color': (0.9, 0.9, 0.9, 1),
- 'linewidth': 1.0,
- 'linestyle': '-',
- },
- })
- self._axinfo['tick'].update({
- 'linewidth': {
- True: mpl.rcParams['lines.linewidth'], # major
- False: mpl.rcParams['lines.linewidth'], # minor
- }
- })
- else:
- self._axinfo.update({
- 'axisline': {
- 'linewidth': mpl.rcParams['axes.linewidth'],
- 'color': mpl.rcParams['axes.edgecolor'],
- },
- 'grid': {
- 'color': mpl.rcParams['grid.color'],
- 'linewidth': mpl.rcParams['grid.linewidth'],
- 'linestyle': mpl.rcParams['grid.linestyle'],
- },
- })
- self._axinfo['tick'].update({
- 'linewidth': {
- True: ( # major
- mpl.rcParams['xtick.major.width'] if name in 'xz'
- else mpl.rcParams['ytick.major.width']),
- False: ( # minor
- mpl.rcParams['xtick.minor.width'] if name in 'xz'
- else mpl.rcParams['ytick.minor.width']),
- }
- })
- super().__init__(axes, *args, **kwargs)
- # data and viewing intervals for this direction
- if "d_intervalx" in params:
- self.set_data_interval(*params["d_intervalx"])
- if "v_intervalx" in params:
- self.set_view_interval(*params["v_intervalx"])
- self.set_rotate_label(rotate_label)
- self._init3d() # Inline after init3d deprecation elapses.
- __init__.__signature__ = inspect.signature(_new_init)
- adir = _api.deprecated("3.6", pending=True)(
- property(lambda self: self.axis_name))
- def _init3d(self):
- self.line = mlines.Line2D(
- xdata=(0, 0), ydata=(0, 0),
- linewidth=self._axinfo['axisline']['linewidth'],
- color=self._axinfo['axisline']['color'],
- antialiased=True)
- # Store dummy data in Polygon object
- self.pane = mpatches.Polygon([[0, 0], [0, 1]], closed=False)
- self.set_pane_color(self._axinfo['color'])
- self.axes._set_artist_props(self.line)
- self.axes._set_artist_props(self.pane)
- self.gridlines = art3d.Line3DCollection([])
- self.axes._set_artist_props(self.gridlines)
- self.axes._set_artist_props(self.label)
- self.axes._set_artist_props(self.offsetText)
- # Need to be able to place the label at the correct location
- self.label._transform = self.axes.transData
- self.offsetText._transform = self.axes.transData
- @_api.deprecated("3.6", pending=True)
- def init3d(self): # After deprecation elapses, inline _init3d to __init__.
- self._init3d()
- def get_major_ticks(self, numticks=None):
- ticks = super().get_major_ticks(numticks)
- for t in ticks:
- for obj in [
- t.tick1line, t.tick2line, t.gridline, t.label1, t.label2]:
- obj.set_transform(self.axes.transData)
- return ticks
- def get_minor_ticks(self, numticks=None):
- ticks = super().get_minor_ticks(numticks)
- for t in ticks:
- for obj in [
- t.tick1line, t.tick2line, t.gridline, t.label1, t.label2]:
- obj.set_transform(self.axes.transData)
- return ticks
- def set_ticks_position(self, position):
- """
- Set the ticks position.
- Parameters
- ----------
- position : {'lower', 'upper', 'both', 'default', 'none'}
- The position of the bolded axis lines, ticks, and tick labels.
- """
- if position in ['top', 'bottom']:
- _api.warn_deprecated('3.8', name=f'{position=}',
- obj_type='argument value',
- alternative="'upper' or 'lower'")
- return
- _api.check_in_list(['lower', 'upper', 'both', 'default', 'none'],
- position=position)
- self._tick_position = position
- def get_ticks_position(self):
- """
- Get the ticks position.
- Returns
- -------
- str : {'lower', 'upper', 'both', 'default', 'none'}
- The position of the bolded axis lines, ticks, and tick labels.
- """
- return self._tick_position
- def set_label_position(self, position):
- """
- Set the label position.
- Parameters
- ----------
- position : {'lower', 'upper', 'both', 'default', 'none'}
- The position of the axis label.
- """
- if position in ['top', 'bottom']:
- _api.warn_deprecated('3.8', name=f'{position=}',
- obj_type='argument value',
- alternative="'upper' or 'lower'")
- return
- _api.check_in_list(['lower', 'upper', 'both', 'default', 'none'],
- position=position)
- self._label_position = position
- def get_label_position(self):
- """
- Get the label position.
- Returns
- -------
- str : {'lower', 'upper', 'both', 'default', 'none'}
- The position of the axis label.
- """
- return self._label_position
- def set_pane_color(self, color, alpha=None):
- """
- Set pane color.
- Parameters
- ----------
- color : color
- Color for axis pane.
- alpha : float, optional
- Alpha value for axis pane. If None, base it on *color*.
- """
- color = mcolors.to_rgba(color, alpha)
- self._axinfo['color'] = color
- self.pane.set_edgecolor(color)
- self.pane.set_facecolor(color)
- self.pane.set_alpha(color[-1])
- self.stale = True
- def set_rotate_label(self, val):
- """
- Whether to rotate the axis label: True, False or None.
- If set to None the label will be rotated if longer than 4 chars.
- """
- self._rotate_label = val
- self.stale = True
- def get_rotate_label(self, text):
- if self._rotate_label is not None:
- return self._rotate_label
- else:
- return len(text) > 4
- def _get_coord_info(self, renderer):
- mins, maxs = np.array([
- self.axes.get_xbound(),
- self.axes.get_ybound(),
- self.axes.get_zbound(),
- ]).T
- # Get the mean value for each bound:
- centers = 0.5 * (maxs + mins)
- # Add a small offset between min/max point and the edge of the plot:
- deltas = (maxs - mins) / 12
- mins -= 0.25 * deltas
- maxs += 0.25 * deltas
- # Project the bounds along the current position of the cube:
- bounds = mins[0], maxs[0], mins[1], maxs[1], mins[2], maxs[2]
- bounds_proj = self.axes._tunit_cube(bounds, self.axes.M)
- # Determine which one of the parallel planes are higher up:
- means_z0 = np.zeros(3)
- means_z1 = np.zeros(3)
- for i in range(3):
- means_z0[i] = np.mean(bounds_proj[self._PLANES[2 * i], 2])
- means_z1[i] = np.mean(bounds_proj[self._PLANES[2 * i + 1], 2])
- highs = means_z0 < means_z1
- # Special handling for edge-on views
- equals = np.abs(means_z0 - means_z1) <= np.finfo(float).eps
- if np.sum(equals) == 2:
- vertical = np.where(~equals)[0][0]
- if vertical == 2: # looking at XY plane
- highs = np.array([True, True, highs[2]])
- elif vertical == 1: # looking at XZ plane
- highs = np.array([True, highs[1], False])
- elif vertical == 0: # looking at YZ plane
- highs = np.array([highs[0], False, False])
- return mins, maxs, centers, deltas, bounds_proj, highs
- def _get_axis_line_edge_points(self, minmax, maxmin, position=None):
- """Get the edge points for the black bolded axis line."""
- # When changing vertical axis some of the axes has to be
- # moved to the other plane so it looks the same as if the z-axis
- # was the vertical axis.
- mb = [minmax, maxmin] # line from origin to nearest corner to camera
- mb_rev = mb[::-1]
- mm = [[mb, mb_rev, mb_rev], [mb_rev, mb_rev, mb], [mb, mb, mb]]
- mm = mm[self.axes._vertical_axis][self._axinfo["i"]]
- juggled = self._axinfo["juggled"]
- edge_point_0 = mm[0].copy() # origin point
- if ((position == 'lower' and mm[1][juggled[-1]] < mm[0][juggled[-1]]) or
- (position == 'upper' and mm[1][juggled[-1]] > mm[0][juggled[-1]])):
- edge_point_0[juggled[-1]] = mm[1][juggled[-1]]
- else:
- edge_point_0[juggled[0]] = mm[1][juggled[0]]
- edge_point_1 = edge_point_0.copy()
- edge_point_1[juggled[1]] = mm[1][juggled[1]]
- return edge_point_0, edge_point_1
- def _get_all_axis_line_edge_points(self, minmax, maxmin, axis_position=None):
- # Determine edge points for the axis lines
- edgep1s = []
- edgep2s = []
- position = []
- if axis_position in (None, 'default'):
- edgep1, edgep2 = self._get_axis_line_edge_points(minmax, maxmin)
- edgep1s = [edgep1]
- edgep2s = [edgep2]
- position = ['default']
- else:
- edgep1_l, edgep2_l = self._get_axis_line_edge_points(minmax, maxmin,
- position='lower')
- edgep1_u, edgep2_u = self._get_axis_line_edge_points(minmax, maxmin,
- position='upper')
- if axis_position in ('lower', 'both'):
- edgep1s.append(edgep1_l)
- edgep2s.append(edgep2_l)
- position.append('lower')
- if axis_position in ('upper', 'both'):
- edgep1s.append(edgep1_u)
- edgep2s.append(edgep2_u)
- position.append('upper')
- return edgep1s, edgep2s, position
- def _get_tickdir(self, position):
- """
- Get the direction of the tick.
- Parameters
- ----------
- position : str, optional : {'upper', 'lower', 'default'}
- The position of the axis.
- Returns
- -------
- tickdir : int
- Index which indicates which coordinate the tick line will
- align with.
- """
- _api.check_in_list(('upper', 'lower', 'default'), position=position)
- # TODO: Move somewhere else where it's triggered less:
- tickdirs_base = [v["tickdir"] for v in self._AXINFO.values()] # default
- elev_mod = np.mod(self.axes.elev + 180, 360) - 180
- azim_mod = np.mod(self.axes.azim, 360)
- if position == 'upper':
- if elev_mod >= 0:
- tickdirs_base = [2, 2, 0]
- else:
- tickdirs_base = [1, 0, 0]
- if 0 <= azim_mod < 180:
- tickdirs_base[2] = 1
- elif position == 'lower':
- if elev_mod >= 0:
- tickdirs_base = [1, 0, 1]
- else:
- tickdirs_base = [2, 2, 1]
- if 0 <= azim_mod < 180:
- tickdirs_base[2] = 0
- info_i = [v["i"] for v in self._AXINFO.values()]
- i = self._axinfo["i"]
- vert_ax = self.axes._vertical_axis
- j = vert_ax - 2
- # default: tickdir = [[1, 2, 1], [2, 2, 0], [1, 0, 0]][vert_ax][i]
- tickdir = np.roll(info_i, -j)[np.roll(tickdirs_base, j)][i]
- return tickdir
- def active_pane(self, renderer):
- mins, maxs, centers, deltas, tc, highs = self._get_coord_info(renderer)
- info = self._axinfo
- index = info['i']
- if not highs[index]:
- loc = mins[index]
- plane = self._PLANES[2 * index]
- else:
- loc = maxs[index]
- plane = self._PLANES[2 * index + 1]
- xys = np.array([tc[p] for p in plane])
- return xys, loc
- def draw_pane(self, renderer):
- """
- Draw pane.
- Parameters
- ----------
- renderer : `~matplotlib.backend_bases.RendererBase` subclass
- """
- renderer.open_group('pane3d', gid=self.get_gid())
- xys, loc = self.active_pane(renderer)
- self.pane.xy = xys[:, :2]
- self.pane.draw(renderer)
- renderer.close_group('pane3d')
- def _axmask(self):
- axmask = [True, True, True]
- axmask[self._axinfo["i"]] = False
- return axmask
- def _draw_ticks(self, renderer, edgep1, centers, deltas, highs,
- deltas_per_point, pos):
- ticks = self._update_ticks()
- info = self._axinfo
- index = info["i"]
- # Draw ticks:
- tickdir = self._get_tickdir(pos)
- tickdelta = deltas[tickdir] if highs[tickdir] else -deltas[tickdir]
- tick_info = info['tick']
- tick_out = tick_info['outward_factor'] * tickdelta
- tick_in = tick_info['inward_factor'] * tickdelta
- tick_lw = tick_info['linewidth']
- edgep1_tickdir = edgep1[tickdir]
- out_tickdir = edgep1_tickdir + tick_out
- in_tickdir = edgep1_tickdir - tick_in
- default_label_offset = 8. # A rough estimate
- points = deltas_per_point * deltas
- for tick in ticks:
- # Get tick line positions
- pos = edgep1.copy()
- pos[index] = tick.get_loc()
- pos[tickdir] = out_tickdir
- x1, y1, z1 = proj3d.proj_transform(*pos, self.axes.M)
- pos[tickdir] = in_tickdir
- x2, y2, z2 = proj3d.proj_transform(*pos, self.axes.M)
- # Get position of label
- labeldeltas = (tick.get_pad() + default_label_offset) * points
- pos[tickdir] = edgep1_tickdir
- pos = _move_from_center(pos, centers, labeldeltas, self._axmask())
- lx, ly, lz = proj3d.proj_transform(*pos, self.axes.M)
- _tick_update_position(tick, (x1, x2), (y1, y2), (lx, ly))
- tick.tick1line.set_linewidth(tick_lw[tick._major])
- tick.draw(renderer)
- def _draw_offset_text(self, renderer, edgep1, edgep2, labeldeltas, centers,
- highs, pep, dx, dy):
- # Get general axis information:
- info = self._axinfo
- index = info["i"]
- juggled = info["juggled"]
- tickdir = info["tickdir"]
- # Which of the two edge points do we want to
- # use for locating the offset text?
- if juggled[2] == 2:
- outeredgep = edgep1
- outerindex = 0
- else:
- outeredgep = edgep2
- outerindex = 1
- pos = _move_from_center(outeredgep, centers, labeldeltas,
- self._axmask())
- olx, oly, olz = proj3d.proj_transform(*pos, self.axes.M)
- self.offsetText.set_text(self.major.formatter.get_offset())
- self.offsetText.set_position((olx, oly))
- angle = art3d._norm_text_angle(np.rad2deg(np.arctan2(dy, dx)))
- self.offsetText.set_rotation(angle)
- # Must set rotation mode to "anchor" so that
- # the alignment point is used as the "fulcrum" for rotation.
- self.offsetText.set_rotation_mode('anchor')
- # ----------------------------------------------------------------------
- # Note: the following statement for determining the proper alignment of
- # the offset text. This was determined entirely by trial-and-error
- # and should not be in any way considered as "the way". There are
- # still some edge cases where alignment is not quite right, but this
- # seems to be more of a geometry issue (in other words, I might be
- # using the wrong reference points).
- #
- # (TT, FF, TF, FT) are the shorthand for the tuple of
- # (centpt[tickdir] <= pep[tickdir, outerindex],
- # centpt[index] <= pep[index, outerindex])
- #
- # Three-letters (e.g., TFT, FTT) are short-hand for the array of bools
- # from the variable 'highs'.
- # ---------------------------------------------------------------------
- centpt = proj3d.proj_transform(*centers, self.axes.M)
- if centpt[tickdir] > pep[tickdir, outerindex]:
- # if FT and if highs has an even number of Trues
- if (centpt[index] <= pep[index, outerindex]
- and np.count_nonzero(highs) % 2 == 0):
- # Usually, this means align right, except for the FTT case,
- # in which offset for axis 1 and 2 are aligned left.
- if highs.tolist() == [False, True, True] and index in (1, 2):
- align = 'left'
- else:
- align = 'right'
- else:
- # The FF case
- align = 'left'
- else:
- # if TF and if highs has an even number of Trues
- if (centpt[index] > pep[index, outerindex]
- and np.count_nonzero(highs) % 2 == 0):
- # Usually mean align left, except if it is axis 2
- align = 'right' if index == 2 else 'left'
- else:
- # The TT case
- align = 'right'
- self.offsetText.set_va('center')
- self.offsetText.set_ha(align)
- self.offsetText.draw(renderer)
- def _draw_labels(self, renderer, edgep1, edgep2, labeldeltas, centers, dx, dy):
- label = self._axinfo["label"]
- # Draw labels
- lxyz = 0.5 * (edgep1 + edgep2)
- lxyz = _move_from_center(lxyz, centers, labeldeltas, self._axmask())
- tlx, tly, tlz = proj3d.proj_transform(*lxyz, self.axes.M)
- self.label.set_position((tlx, tly))
- if self.get_rotate_label(self.label.get_text()):
- angle = art3d._norm_text_angle(np.rad2deg(np.arctan2(dy, dx)))
- self.label.set_rotation(angle)
- self.label.set_va(label['va'])
- self.label.set_ha(label['ha'])
- self.label.set_rotation_mode(label['rotation_mode'])
- self.label.draw(renderer)
- @artist.allow_rasterization
- def draw(self, renderer):
- self.label._transform = self.axes.transData
- self.offsetText._transform = self.axes.transData
- renderer.open_group("axis3d", gid=self.get_gid())
- # Get general axis information:
- mins, maxs, centers, deltas, tc, highs = self._get_coord_info(renderer)
- # Calculate offset distances
- # A rough estimate; points are ambiguous since 3D plots rotate
- reltoinches = self.figure.dpi_scale_trans.inverted()
- ax_inches = reltoinches.transform(self.axes.bbox.size)
- ax_points_estimate = sum(72. * ax_inches)
- deltas_per_point = 48 / ax_points_estimate
- default_offset = 21.
- labeldeltas = (self.labelpad + default_offset) * deltas_per_point * deltas
- # Determine edge points for the axis lines
- minmax = np.where(highs, maxs, mins) # "origin" point
- maxmin = np.where(~highs, maxs, mins) # "opposite" corner near camera
- for edgep1, edgep2, pos in zip(*self._get_all_axis_line_edge_points(
- minmax, maxmin, self._tick_position)):
- # Project the edge points along the current position
- pep = proj3d._proj_trans_points([edgep1, edgep2], self.axes.M)
- pep = np.asarray(pep)
- # The transAxes transform is used because the Text object
- # rotates the text relative to the display coordinate system.
- # Therefore, if we want the labels to remain parallel to the
- # axis regardless of the aspect ratio, we need to convert the
- # edge points of the plane to display coordinates and calculate
- # an angle from that.
- # TODO: Maybe Text objects should handle this themselves?
- dx, dy = (self.axes.transAxes.transform([pep[0:2, 1]]) -
- self.axes.transAxes.transform([pep[0:2, 0]]))[0]
- # Draw the lines
- self.line.set_data(pep[0], pep[1])
- self.line.draw(renderer)
- # Draw ticks
- self._draw_ticks(renderer, edgep1, centers, deltas, highs,
- deltas_per_point, pos)
- # Draw Offset text
- self._draw_offset_text(renderer, edgep1, edgep2, labeldeltas,
- centers, highs, pep, dx, dy)
- for edgep1, edgep2, pos in zip(*self._get_all_axis_line_edge_points(
- minmax, maxmin, self._label_position)):
- # See comments above
- pep = proj3d._proj_trans_points([edgep1, edgep2], self.axes.M)
- pep = np.asarray(pep)
- dx, dy = (self.axes.transAxes.transform([pep[0:2, 1]]) -
- self.axes.transAxes.transform([pep[0:2, 0]]))[0]
- # Draw labels
- self._draw_labels(renderer, edgep1, edgep2, labeldeltas, centers, dx, dy)
- renderer.close_group('axis3d')
- self.stale = False
- @artist.allow_rasterization
- def draw_grid(self, renderer):
- if not self.axes._draw_grid:
- return
- renderer.open_group("grid3d", gid=self.get_gid())
- ticks = self._update_ticks()
- if len(ticks):
- # Get general axis information:
- info = self._axinfo
- index = info["i"]
- mins, maxs, _, _, _, highs = self._get_coord_info(renderer)
- minmax = np.where(highs, maxs, mins)
- maxmin = np.where(~highs, maxs, mins)
- # Grid points where the planes meet
- xyz0 = np.tile(minmax, (len(ticks), 1))
- xyz0[:, index] = [tick.get_loc() for tick in ticks]
- # Grid lines go from the end of one plane through the plane
- # intersection (at xyz0) to the end of the other plane. The first
- # point (0) differs along dimension index-2 and the last (2) along
- # dimension index-1.
- lines = np.stack([xyz0, xyz0, xyz0], axis=1)
- lines[:, 0, index - 2] = maxmin[index - 2]
- lines[:, 2, index - 1] = maxmin[index - 1]
- self.gridlines.set_segments(lines)
- gridinfo = info['grid']
- self.gridlines.set_color(gridinfo['color'])
- self.gridlines.set_linewidth(gridinfo['linewidth'])
- self.gridlines.set_linestyle(gridinfo['linestyle'])
- self.gridlines.do_3d_projection()
- self.gridlines.draw(renderer)
- renderer.close_group('grid3d')
- # TODO: Get this to work (more) properly when mplot3d supports the
- # transforms framework.
- def get_tightbbox(self, renderer=None, *, for_layout_only=False):
- # docstring inherited
- if not self.get_visible():
- return
- # We have to directly access the internal data structures
- # (and hope they are up to date) because at draw time we
- # shift the ticks and their labels around in (x, y) space
- # based on the projection, the current view port, and their
- # position in 3D space. If we extend the transforms framework
- # into 3D we would not need to do this different book keeping
- # than we do in the normal axis
- major_locs = self.get_majorticklocs()
- minor_locs = self.get_minorticklocs()
- ticks = [*self.get_minor_ticks(len(minor_locs)),
- *self.get_major_ticks(len(major_locs))]
- view_low, view_high = self.get_view_interval()
- if view_low > view_high:
- view_low, view_high = view_high, view_low
- interval_t = self.get_transform().transform([view_low, view_high])
- ticks_to_draw = []
- for tick in ticks:
- try:
- loc_t = self.get_transform().transform(tick.get_loc())
- except AssertionError:
- # Transform.transform doesn't allow masked values but
- # some scales might make them, so we need this try/except.
- pass
- else:
- if mtransforms._interval_contains_close(interval_t, loc_t):
- ticks_to_draw.append(tick)
- ticks = ticks_to_draw
- bb_1, bb_2 = self._get_ticklabel_bboxes(ticks, renderer)
- other = []
- if self.line.get_visible():
- other.append(self.line.get_window_extent(renderer))
- if (self.label.get_visible() and not for_layout_only and
- self.label.get_text()):
- other.append(self.label.get_window_extent(renderer))
- return mtransforms.Bbox.union([*bb_1, *bb_2, *other])
- d_interval = _api.deprecated(
- "3.6", alternative="get_data_interval", pending=True)(
- property(lambda self: self.get_data_interval(),
- lambda self, minmax: self.set_data_interval(*minmax)))
- v_interval = _api.deprecated(
- "3.6", alternative="get_view_interval", pending=True)(
- property(lambda self: self.get_view_interval(),
- lambda self, minmax: self.set_view_interval(*minmax)))
- class XAxis(Axis):
- axis_name = "x"
- get_view_interval, set_view_interval = maxis._make_getset_interval(
- "view", "xy_viewLim", "intervalx")
- get_data_interval, set_data_interval = maxis._make_getset_interval(
- "data", "xy_dataLim", "intervalx")
- class YAxis(Axis):
- axis_name = "y"
- get_view_interval, set_view_interval = maxis._make_getset_interval(
- "view", "xy_viewLim", "intervaly")
- get_data_interval, set_data_interval = maxis._make_getset_interval(
- "data", "xy_dataLim", "intervaly")
- class ZAxis(Axis):
- axis_name = "z"
- get_view_interval, set_view_interval = maxis._make_getset_interval(
- "view", "zz_viewLim", "intervalx")
- get_data_interval, set_data_interval = maxis._make_getset_interval(
- "data", "zz_dataLim", "intervalx")
|