Exemple #1
0
    def draw(self, renderer):
        self.label._transform = self.axes.transData
        renderer.open_group('axis3d')

        # code from XAxis
        majorTicks = self.get_major_ticks()
        majorLocs = self.major.locator()

        info = self._axinfo
        index = info['i']

        # filter locations here so that no extra grid lines are drawn
        locmin, locmax = self.get_view_interval()
        if locmin > locmax:
            locmin, locmax = locmax, locmin

        # Rudimentary clipping
        majorLocs = [loc for loc in majorLocs if
                     locmin <= loc <= locmax]
        self.major.formatter.set_locs(majorLocs)
        majorLabels = [self.major.formatter(val, i)
                       for i, val in enumerate(majorLocs)]

        mins, maxs, centers, deltas, tc, highs = self._get_coord_info(renderer)

        # Determine grid lines
        minmax = np.where(highs, maxs, mins)

        # Draw main axis line
        juggled = info['juggled']
        edgep1 = minmax.copy()
        edgep1[juggled[0]] = get_flip_min_max(edgep1, juggled[0], mins, maxs)

        edgep2 = edgep1.copy()
        edgep2[juggled[1]] = get_flip_min_max(edgep2, juggled[1], mins, maxs)
        pep = proj3d.proj_trans_points([edgep1, edgep2], renderer.M)
        centpt = proj3d.proj_transform(centers[0], centers[1], centers[2], renderer.M)
        self.line.set_data((pep[0][0], pep[0][1]), (pep[1][0], pep[1][1]))
        self.line.draw(renderer)

        # Grid points where the planes meet
        xyz0 = []
        for val in majorLocs:
            coord = minmax.copy()
            coord[index] = val
            xyz0.append(coord)

        # Draw labels
        peparray = np.asanyarray(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(peparray[0:2, 1]) - 
                  self.axes.transAxes.transform(peparray[0:2, 0]))

        lxyz = 0.5*(edgep1 + edgep2)

        labeldeltas = info['label']['space_factor'] * deltas
        axmask = [True, True, True]
        axmask[index] = False
        lxyz = move_from_center(lxyz, centers, labeldeltas, axmask)
        tlx, tly, tlz = proj3d.proj_transform(lxyz[0], lxyz[1], lxyz[2], \
                renderer.M)
        self.label.set_position((tlx, tly))
        if self.get_rotate_label(self.label.get_text()):
            angle = art3d.norm_text_angle(math.degrees(math.atan2(dy, dx)))
            self.label.set_rotation(angle)
        self.label.set_va(info['label']['va'])
        self.label.set_ha(info['label']['ha'])
        self.label.draw(renderer)


        # Draw Offset text
        
        # 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 = copy.copy(outeredgep)
        pos = move_from_center(pos, centers, labeldeltas, axmask)
        olx, oly, olz = proj3d.proj_transform(pos[0], pos[1], pos[2], renderer.M)
        self.offsetText.set_text( self.major.formatter.get_offset() )
        self.offsetText.set_position( (olx, oly) )
        angle = art3d.norm_text_angle(math.degrees(math.atan2(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[info['tickdir']] <= peparray[info['tickdir'], outerindex],
        #      centpt[index] <= peparray[index, outerindex])
        #
        #   Three-letters (e.g., TFT, FTT) are short-hand for the array
        #    of bools from the variable 'highs'.
        # ---------------------------------------------------------------------
        if centpt[info['tickdir']] > peparray[info['tickdir'], outerindex] :
            # if FT and if highs has an even number of Trues
            if (centpt[index] <= peparray[index, outerindex]
                and ((len(highs.nonzero()[0]) % 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] > peparray[index, outerindex]
                and ((len(highs.nonzero()[0]) % 2) == 0)) :
                # Usually mean align left, except if it is axis 2
                if index == 2 :
                    align = 'right'
                else :
                    align = 'left'
            else :
                # The TT case
                align = 'right'

        self.offsetText.set_va('center')
        self.offsetText.set_ha(align)
        self.offsetText.draw(renderer)

        # Draw grid lines
        if len(xyz0) > 0:
            # Grid points at end of one plane
            xyz1 = copy.deepcopy(xyz0)
            newindex = (index + 1) % 3
            newval = get_flip_min_max(xyz1[0], newindex, mins, maxs)
            for i in range(len(majorLocs)):
                xyz1[i][newindex] = newval

            # Grid points at end of the other plane
            xyz2 = copy.deepcopy(xyz0)
            newindex = (index + 2) %  3
            newval = get_flip_min_max(xyz2[0], newindex, mins, maxs)
            for i in range(len(majorLocs)):
                xyz2[i][newindex] = newval

            lines = zip(xyz1, xyz0, xyz2)
            if self.axes._draw_grid:
                self.gridlines.set_segments(lines)
                self.gridlines.set_color([info['grid']['color']] * len(lines))
                self.gridlines.draw(renderer, project=True)

        # Draw ticks
        tickdir = info['tickdir']
        tickdelta = deltas[tickdir]
        if highs[tickdir]:
            ticksign = 1
        else:
            ticksign = -1

        for tick, loc, label in zip(majorTicks, majorLocs, majorLabels):
            if tick is None:
                continue

            # Get tick line positions
            pos = copy.copy(edgep1)
            pos[index] = loc
            pos[tickdir] = edgep1[tickdir] + info['tick']['outward_factor'] * \
                                             ticksign * tickdelta
            x1, y1, z1 = proj3d.proj_transform(pos[0], pos[1], pos[2], \
                    renderer.M)
            pos[tickdir] = edgep1[tickdir] - info['tick']['inward_factor'] * \
                                             ticksign * tickdelta
            x2, y2, z2 = proj3d.proj_transform(pos[0], pos[1], pos[2], \
                    renderer.M)

            # Get position of label
            labeldeltas = [info['ticklabel']['space_factor'] * x for 
                           x in deltas]
            axmask = [True, True, True]
            axmask[index] = False
            pos[tickdir] = edgep1[tickdir]
            pos = move_from_center(pos, centers, labeldeltas, axmask)
            lx, ly, lz = proj3d.proj_transform(pos[0], pos[1], pos[2], \
                    renderer.M)

            tick_update_position(tick, (x1, x2), (y1, y2), (lx, ly))
            tick.set_label1(label)
            tick.set_label2(label)
            tick.draw(renderer)

        renderer.close_group('axis3d')
Exemple #2
0
    def draw(self, renderer):
        self.label._transform = self.axes.transData
        renderer.open_group('axis3d')

        # code from XAxis
        majorTicks = self.get_major_ticks()
        majorLocs = self.major.locator()

        info = self._axinfo
        index = info['i']

        # filter locations here so that no extra grid lines are drawn
        locmin, locmax = self.get_view_interval()
        if locmin > locmax:
            locmin, locmax = locmax, locmin

        # Rudimentary clipping
        majorLocs = [loc for loc in majorLocs if locmin <= loc <= locmax]
        self.major.formatter.set_locs(majorLocs)
        majorLabels = [
            self.major.formatter(val, i) for i, val in enumerate(majorLocs)
        ]

        mins, maxs, centers, deltas, tc, highs = self._get_coord_info(renderer)

        # Determine grid lines
        minmax = np.where(highs, maxs, mins)

        # Draw main axis line
        juggled = info['juggled']
        edgep1 = minmax.copy()
        edgep1[juggled[0]] = get_flip_min_max(edgep1, juggled[0], mins, maxs)

        edgep2 = edgep1.copy()
        edgep2[juggled[1]] = get_flip_min_max(edgep2, juggled[1], mins, maxs)
        pep = proj3d.proj_trans_points([edgep1, edgep2], renderer.M)
        centpt = proj3d.proj_transform(centers[0], centers[1], centers[2],
                                       renderer.M)
        self.line.set_data((pep[0][0], pep[0][1]), (pep[1][0], pep[1][1]))
        self.line.draw(renderer)

        # Grid points where the planes meet
        xyz0 = []
        for val in majorLocs:
            coord = minmax.copy()
            coord[index] = val
            xyz0.append(coord)

        # Draw labels
        peparray = np.asanyarray(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(peparray[0:2, 1]) -
                  self.axes.transAxes.transform(peparray[0:2, 0]))

        lxyz = 0.5 * (edgep1 + edgep2)

        labeldeltas = info['label']['space_factor'] * deltas
        axmask = [True, True, True]
        axmask[index] = False
        lxyz = move_from_center(lxyz, centers, labeldeltas, axmask)
        tlx, tly, tlz = proj3d.proj_transform(lxyz[0], lxyz[1], lxyz[2], \
                renderer.M)
        self.label.set_position((tlx, tly))
        if self.get_rotate_label(self.label.get_text()):
            angle = art3d.norm_text_angle(math.degrees(math.atan2(dy, dx)))
            self.label.set_rotation(angle)
        self.label.set_va(info['label']['va'])
        self.label.set_ha(info['label']['ha'])
        self.label.draw(renderer)

        # Draw Offset text

        # 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 = copy.copy(outeredgep)
        pos = move_from_center(pos, centers, labeldeltas, axmask)
        olx, oly, olz = proj3d.proj_transform(pos[0], pos[1], pos[2],
                                              renderer.M)
        self.offsetText.set_text(self.major.formatter.get_offset())
        self.offsetText.set_position((olx, oly))
        angle = art3d.norm_text_angle(math.degrees(math.atan2(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[info['tickdir']] <= peparray[info['tickdir'], outerindex],
        #      centpt[index] <= peparray[index, outerindex])
        #
        #   Three-letters (e.g., TFT, FTT) are short-hand for the array
        #    of bools from the variable 'highs'.
        # ---------------------------------------------------------------------
        if centpt[info['tickdir']] > peparray[info['tickdir'], outerindex]:
            # if FT and if highs has an even number of Trues
            if (centpt[index] <= peparray[index, outerindex]
                    and ((len(highs.nonzero()[0]) % 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] > peparray[index, outerindex]
                    and ((len(highs.nonzero()[0]) % 2) == 0)):
                # Usually mean align left, except if it is axis 2
                if index == 2:
                    align = 'right'
                else:
                    align = 'left'
            else:
                # The TT case
                align = 'right'

        self.offsetText.set_va('center')
        self.offsetText.set_ha(align)
        self.offsetText.draw(renderer)

        # Draw grid lines
        if len(xyz0) > 0:
            # Grid points at end of one plane
            xyz1 = copy.deepcopy(xyz0)
            newindex = (index + 1) % 3
            newval = get_flip_min_max(xyz1[0], newindex, mins, maxs)
            for i in range(len(majorLocs)):
                xyz1[i][newindex] = newval

            # Grid points at end of the other plane
            xyz2 = copy.deepcopy(xyz0)
            newindex = (index + 2) % 3
            newval = get_flip_min_max(xyz2[0], newindex, mins, maxs)
            for i in range(len(majorLocs)):
                xyz2[i][newindex] = newval

            lines = zip(xyz1, xyz0, xyz2)
            if self.axes._draw_grid:
                self.gridlines.set_segments(lines)
                self.gridlines.set_color([info['grid']['color']] * len(lines))
                self.gridlines.draw(renderer, project=True)

        # Draw ticks
        tickdir = info['tickdir']
        tickdelta = deltas[tickdir]
        if highs[tickdir]:
            ticksign = 1
        else:
            ticksign = -1

        for tick, loc, label in zip(majorTicks, majorLocs, majorLabels):
            if tick is None:
                continue

            # Get tick line positions
            pos = copy.copy(edgep1)
            pos[index] = loc
            pos[tickdir] = edgep1[tickdir] + info['tick']['outward_factor'] * \
                                             ticksign * tickdelta
            x1, y1, z1 = proj3d.proj_transform(pos[0], pos[1], pos[2], \
                    renderer.M)
            pos[tickdir] = edgep1[tickdir] - info['tick']['inward_factor'] * \
                                             ticksign * tickdelta
            x2, y2, z2 = proj3d.proj_transform(pos[0], pos[1], pos[2], \
                    renderer.M)

            # Get position of label
            labeldeltas = [
                info['ticklabel']['space_factor'] * x for x in deltas
            ]
            axmask = [True, True, True]
            axmask[index] = False
            pos[tickdir] = edgep1[tickdir]
            pos = move_from_center(pos, centers, labeldeltas, axmask)
            lx, ly, lz = proj3d.proj_transform(pos[0], pos[1], pos[2], \
                    renderer.M)

            tick_update_position(tick, (x1, x2), (y1, y2), (lx, ly))
            tick.set_label1(label)
            tick.set_label2(label)
            tick.draw(renderer)

        renderer.close_group('axis3d')
Exemple #3
0
    def draw(self, renderer):
        self.label._transform = self.axes.transData
        renderer.open_group("axis3d")

        # code from XAxis
        majorTicks = self.get_major_ticks()
        majorLocs = self.major.locator()

        info = self._AXINFO[self.adir]
        index = info["i"]

        # filter locations here so that no extra grid lines are drawn
        interval = self.get_view_interval()
        majorLocs = [loc for loc in majorLocs if interval[0] <= loc <= interval[1]]
        self.major.formatter.set_locs(majorLocs)
        majorLabels = [self.major.formatter(val, i) for i, val in enumerate(majorLocs)]

        mins, maxs, centers, deltas, tc, highs = self._get_coord_info(renderer)

        # Determine grid lines
        minmax = np.where(highs, maxs, mins)

        # Draw main axis line
        juggled = info["juggled"]
        edgep1 = minmax.copy()
        edgep1[juggled[0]] = get_flip_min_max(edgep1, juggled[0], mins, maxs)

        edgep2 = edgep1.copy()
        edgep2[juggled[1]] = get_flip_min_max(edgep2, juggled[1], mins, maxs)
        pep = proj3d.proj_trans_points([edgep1, edgep2], renderer.M)
        self.line.set_data((pep[0][0], pep[0][1]), (pep[1][0], pep[1][1]))
        self.line.draw(renderer)

        # Grid points where the planes meet
        xyz0 = []
        for val in majorLocs:
            coord = minmax.copy()
            coord[index] = val
            xyz0.append(coord)

        # Draw labels
        dy = pep[1][1] - pep[1][0]
        dx = pep[0][1] - pep[0][0]

        lxyz = 0.5 * (edgep1 + edgep2)

        labeldeltas = 1.3 * deltas
        lxyz = move_from_center(lxyz, centers, labeldeltas)
        tlx, tly, tlz = proj3d.proj_transform(lxyz[0], lxyz[1], lxyz[2], renderer.M)
        self.label.set_position((tlx, tly))
        if self.get_rotate_label(self.label.get_text()):
            angle = art3d.norm_text_angle(math.degrees(math.atan2(dy, dx)))
            self.label.set_rotation(angle)
        self.label.set_va("center")
        self.label.draw(renderer)

        # Grid points at end of one plane
        xyz1 = copy.deepcopy(xyz0)
        newindex = (index + 1) % 3
        newval = get_flip_min_max(xyz1[0], newindex, mins, maxs)
        for i in range(len(majorLocs)):
            xyz1[i][newindex] = newval

        # Grid points at end of the other plane
        xyz2 = copy.deepcopy(xyz0)
        newindex = (index + 2) % 3
        newval = get_flip_min_max(xyz2[0], newindex, mins, maxs)
        for i in range(len(majorLocs)):
            xyz2[i][newindex] = newval

        lines = zip(xyz1, xyz0, xyz2)
        if self.axes._draw_grid:
            self.gridlines.set_segments(lines)
            self.gridlines.set_color([(0.9, 0.9, 0.9, 1)] * len(lines))
            self.gridlines.draw(renderer, project=True)

        # Draw ticks
        tickdir = info["tickdir"]
        tickdelta = deltas[tickdir]
        if highs[tickdir]:
            ticksign = 1
        else:
            ticksign = -1

        for tick, loc, label in zip(majorTicks, majorLocs, majorLabels):
            if tick is None:
                continue

            # Get tick line positions
            pos = copy.copy(edgep1)
            pos[index] = loc
            pos[tickdir] = edgep1[tickdir] + 0.1 * ticksign * tickdelta
            x1, y1, z1 = proj3d.proj_transform(pos[0], pos[1], pos[2], renderer.M)
            pos[tickdir] = edgep1[tickdir] - 0.2 * ticksign * tickdelta
            x2, y2, z2 = proj3d.proj_transform(pos[0], pos[1], pos[2], renderer.M)

            # Get position of label
            labeldeltas = [0.6 * x for x in deltas]
            axmask = [True, True, True]
            axmask[index] = False
            pos[tickdir] = edgep1[tickdir]
            pos = move_from_center(pos, centers, labeldeltas, axmask)
            lx, ly, lz = proj3d.proj_transform(pos[0], pos[1], pos[2], renderer.M)

            tick_update_position(tick, (x1, x2), (y1, y2), (lx, ly))
            tick.set_label1(label)
            tick.set_label2(label)
            tick.draw(renderer)

        renderer.close_group("axis3d")
Exemple #4
0
 def draw(self, renderer):
     self.label._transform = self.axes.transData
     renderer.open_group('axis3d')
     majorTicks = self.get_major_ticks()
     majorLocs = self.major.locator()
     interval = self.get_view_interval()
     majorLocs = [loc for loc in majorLocs if \
             interval[0] < loc < interval[1]]
     self.major.formatter.set_locs(majorLocs)
     majorLabels = [self.major.formatter(val, i)
                    for i, val in enumerate(majorLocs)]
     minx, maxx, miny, maxy, minz, maxz = self.axes.get_w_lims()
     mins = np.array((minx, miny, minz))
     maxs = np.array((maxx, maxy, maxz))
     centers = (maxs + mins) / 2.
     deltas = (maxs - mins) / 12.
     mins = mins - deltas / 4.
     maxs = maxs + deltas / 4.
     vals = mins[0], maxs[0], mins[1], maxs[1], mins[2], maxs[2]
     tc = self.axes.tunit_cube(vals, renderer.M)
     avgz = [tc[p1][2] + tc[p2][2] + tc[p3][2] + tc[p4][2] for \
             p1, p2, p3, p4 in self._PLANES]
     highs = np.array([avgz[2*i] < avgz[2*i+1] for i in range(3)])
     info = self._AXINFO[self.adir]
     index = info['i']
     if not highs[index]:
         plane = self._PLANES[2 * index]
     else:
         plane = self._PLANES[2 * index + 1]
     xys = [tc[p] for p in plane]
     self.set_pane(xys, info['color'])
     self.pane.draw(renderer)
     minmax = np.where(highs, maxs, mins)
     juggled = art3d.juggle_axes(0, 2, 1, self.adir)
     edgep1 = minmax.copy()
     edgep1[juggled[0]] = get_flip_min_max(edgep1, juggled[0], mins, maxs)
     edgep2 = edgep1.copy()
     edgep2[juggled[1]] = get_flip_min_max(edgep2, juggled[1], mins, maxs)
     pep = proj3d.proj_trans_points([edgep1, edgep2], renderer.M)
     self.line.set_data((pep[0][0], pep[0][1]), (pep[1][0], pep[1][1]))
     self.line.draw(renderer)
     xyz0 = []
     for val in majorLocs:
         coord = minmax.copy()
         coord[index] = val
         xyz0.append(coord)
     dy = pep[1][1] - pep[1][0]
     dx = pep[0][1] - pep[0][0]
     lxyz = 0.5*(edgep1 + edgep2)
     labeldeltas = 1.3 * deltas
     lxyz = move_from_center(lxyz, centers, labeldeltas)
     tlx, tly, tlz = proj3d.proj_transform(lxyz[0], lxyz[1], lxyz[2], \
             renderer.M)
     self.label.set_position((tlx, tly))
     if self.get_rotate_label(self.label.get_text()):
         angle = art3d.norm_text_angle(math.degrees(math.atan2(dy, dx)))
         self.label.set_rotation(angle)
     self.label.set_va('center')
     self.label.draw(renderer)
     xyz1 = copy.deepcopy(xyz0)
     newindex = (index + 1) % 3
     newval = get_flip_min_max(xyz1[0], newindex, mins, maxs)
     for i in range(len(majorLocs)):
         xyz1[i][newindex] = newval
     xyz2 = copy.deepcopy(xyz0)
     newindex = (index + 2) %  3
     newval = get_flip_min_max(xyz2[0], newindex, mins, maxs)
     for i in range(len(majorLocs)):
         xyz2[i][newindex] = newval
     lines = zip(xyz1, xyz0, xyz2)
     if self.axes._draw_grid:
         self.gridlines.set_segments(lines)
         self.gridlines.set_color([(0.9,0.9,0.9,1)] * len(lines))
         self.gridlines.draw(renderer, project=True)
     tickdir = info['tickdir']
     tickdelta = deltas[tickdir]
     if highs[tickdir]:
         ticksign = 1
     else:
         ticksign = -1
     for tick, loc, label in zip(majorTicks, majorLocs, majorLabels):
         if tick is None:
             continue
         pos = copy.copy(edgep1)
         pos[index] = loc
         pos[tickdir] = edgep1[tickdir] + 0.1 * ticksign * tickdelta
         x1, y1, z1 = proj3d.proj_transform(pos[0], pos[1], pos[2], \
                 renderer.M)
         pos[tickdir] = edgep1[tickdir] - 0.2 * ticksign * tickdelta
         x2, y2, z2 = proj3d.proj_transform(pos[0], pos[1], pos[2], \
                 renderer.M)
         labeldeltas = [0.6 * x for x in deltas]
         axmask = [True, True, True]
         axmask[index] = False
         pos[tickdir] = edgep1[tickdir]
         pos = move_from_center(pos, centers, labeldeltas, axmask)
         lx, ly, lz = proj3d.proj_transform(pos[0], pos[1], pos[2], \
                 renderer.M)
         tick_update_position(tick, (x1, x2), (y1, y2), (lx, ly))
         tick.set_label1(label)
         tick.set_label2(label)
         tick.draw(renderer)
     renderer.close_group('axis3d')
Exemple #5
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    def draw(self, renderer):
        self.label._transform = self.axes.transData
        renderer.open_group('axis3d')

        # code from XAxis
        majorTicks = self.get_major_ticks()
        majorLocs = self.major.locator()

        info = self._AXINFO[self.adir]
        index = info['i']

        # filter locations here so that no extra grid lines are drawn
        interval = self.get_view_interval()
        majorLocs = [loc for loc in majorLocs if \
                interval[0] <= loc <= interval[1]]
        self.major.formatter.set_locs(majorLocs)
        majorLabels = [self.major.formatter(val, i)
                       for i, val in enumerate(majorLocs)]

        mins, maxs, centers, deltas, tc, highs = self._get_coord_info(renderer)

        # Determine grid lines
        minmax = np.where(highs, maxs, mins)

        # Draw main axis line
        juggled = info['juggled']
        edgep1 = minmax.copy()
        edgep1[juggled[0]] = get_flip_min_max(edgep1, juggled[0], mins, maxs)

        edgep2 = edgep1.copy()
        edgep2[juggled[1]] = get_flip_min_max(edgep2, juggled[1], mins, maxs)
        pep = proj3d.proj_trans_points([edgep1, edgep2], renderer.M)
        self.line.set_data((pep[0][0], pep[0][1]), (pep[1][0], pep[1][1]))
        self.line.draw(renderer)

        # Grid points where the planes meet
        xyz0 = []
        for val in majorLocs:
            coord = minmax.copy()
            coord[index] = val
            xyz0.append(coord)

        # Draw labels
        peparray = np.asanyarray(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(peparray[0:2, 1]) - 
                  self.axes.transAxes.transform(peparray[0:2, 0]))

        lxyz = 0.5*(edgep1 + edgep2)

        labeldeltas = 1.3 * deltas
        axmask = [True, True, True]
        axmask[index] = False
        lxyz = move_from_center(lxyz, centers, labeldeltas, axmask)
        tlx, tly, tlz = proj3d.proj_transform(lxyz[0], lxyz[1], lxyz[2], \
                renderer.M)
        self.label.set_position((tlx, tly))
        if self.get_rotate_label(self.label.get_text()):
            angle = art3d.norm_text_angle(math.degrees(math.atan2(dy, dx)))
            self.label.set_rotation(angle)
        self.label.set_va('center')
        self.label.set_ha('center')
        self.label.draw(renderer)

        # Grid points at end of one plane
        xyz1 = copy.deepcopy(xyz0)
        newindex = (index + 1) % 3
        newval = get_flip_min_max(xyz1[0], newindex, mins, maxs)
        for i in range(len(majorLocs)):
            xyz1[i][newindex] = newval

        # Grid points at end of the other plane
        xyz2 = copy.deepcopy(xyz0)
        newindex = (index + 2) %  3
        newval = get_flip_min_max(xyz2[0], newindex, mins, maxs)
        for i in range(len(majorLocs)):
            xyz2[i][newindex] = newval

        lines = zip(xyz1, xyz0, xyz2)
        if self.axes._draw_grid:
            self.gridlines.set_segments(lines)
            self.gridlines.set_color([(0.9,0.9,0.9,1)] * len(lines))
            self.gridlines.draw(renderer, project=True)

        # Draw ticks
        tickdir = info['tickdir']
        tickdelta = deltas[tickdir]
        if highs[tickdir]:
            ticksign = 1
        else:
            ticksign = -1

        for tick, loc, label in zip(majorTicks, majorLocs, majorLabels):
            if tick is None:
                continue

            # Get tick line positions
            pos = copy.copy(edgep1)
            pos[index] = loc
            pos[tickdir] = edgep1[tickdir] + 0.1 * ticksign * tickdelta
            x1, y1, z1 = proj3d.proj_transform(pos[0], pos[1], pos[2], \
                    renderer.M)
            pos[tickdir] = edgep1[tickdir] - 0.2 * ticksign * tickdelta
            x2, y2, z2 = proj3d.proj_transform(pos[0], pos[1], pos[2], \
                    renderer.M)

            # Get position of label
            labeldeltas = [0.6 * x for x in deltas]
            axmask = [True, True, True]
            axmask[index] = False
            pos[tickdir] = edgep1[tickdir]
            pos = move_from_center(pos, centers, labeldeltas, axmask)
            lx, ly, lz = proj3d.proj_transform(pos[0], pos[1], pos[2], \
                    renderer.M)

            tick_update_position(tick, (x1, x2), (y1, y2), (lx, ly))
            tick.set_label1(label)
            tick.set_label2(label)
            tick.draw(renderer)

        renderer.close_group('axis3d')
Exemple #6
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    def draw(self, renderer):
        self.label._transform = self.axes.transData
        renderer.open_group('axis3d')

        # code from XAxis
        majorTicks = self.get_major_ticks()
        majorLocs = self.major.locator()

        # filter locations here so that no extra grid lines are drawn
        interval = self.get_view_interval()
        majorLocs = [loc for loc in majorLocs if \
                interval[0] < loc < interval[1]]
        self.major.formatter.set_locs(majorLocs)
        majorLabels = [
            self.major.formatter(val, i) for i, val in enumerate(majorLocs)
        ]

        # Determine bounds
        minx, maxx, miny, maxy, minz, maxz = self.axes.get_w_lims()
        mins = np.array((minx, miny, minz))
        maxs = np.array((maxx, maxy, maxz))
        centers = (maxs + mins) / 2.
        deltas = (maxs - mins) / 12.
        mins = mins - deltas / 4.
        maxs = maxs + deltas / 4.

        # Determine which planes should be visible by the avg z value
        vals = mins[0], maxs[0], mins[1], maxs[1], mins[2], maxs[2]
        tc = self.axes.tunit_cube(vals, renderer.M)
        #raise RuntimeError('WTF: p1=%s'%p1)
        avgz = [tc[p1][2] + tc[p2][2] + tc[p3][2] + tc[p4][2] for \
                p1, p2, p3, p4 in self._PLANES]
        highs = np.array([avgz[2 * i] < avgz[2 * i + 1] for i in range(3)])

        # Draw plane
        info = self._AXINFO[self.adir]
        index = info['i']
        if not highs[index]:
            plane = self._PLANES[2 * index]
        else:
            plane = self._PLANES[2 * index + 1]
        xys = [tc[p] for p in plane]
        self.set_pane(xys, info['color'])
        self.pane.draw(renderer)

        # Determine grid lines
        minmax = np.where(highs, maxs, mins)

        # Draw main axis line
        juggled = art3d.juggle_axes(0, 2, 1, self.adir)
        edgep1 = minmax.copy()
        edgep1[juggled[0]] = get_flip_min_max(edgep1, juggled[0], mins, maxs)

        edgep2 = edgep1.copy()
        edgep2[juggled[1]] = get_flip_min_max(edgep2, juggled[1], mins, maxs)
        pep = proj3d.proj_trans_points([edgep1, edgep2], renderer.M)
        self.line.set_data((pep[0][0], pep[0][1]), (pep[1][0], pep[1][1]))
        self.line.draw(renderer)

        # Grid points where the planes meet
        xyz0 = []
        for val in majorLocs:
            coord = minmax.copy()
            coord[index] = val
            xyz0.append(coord)

        # Draw labels
        dy = pep[1][1] - pep[1][0]
        dx = pep[0][1] - pep[0][0]

        lxyz = 0.5 * (edgep1 + edgep2)

        labeldeltas = 1.3 * deltas
        lxyz = move_from_center(lxyz, centers, labeldeltas)
        tlx, tly, tlz = proj3d.proj_transform(lxyz[0], lxyz[1], lxyz[2], \
                renderer.M)
        self.label.set_position((tlx, tly))
        if self.get_rotate_label(self.label.get_text()):
            angle = art3d.norm_text_angle(math.degrees(math.atan2(dy, dx)))
            self.label.set_rotation(angle)
        self.label.set_va('center')
        self.label.draw(renderer)

        # Grid points at end of one plane
        xyz1 = copy.deepcopy(xyz0)
        newindex = (index + 1) % 3
        newval = get_flip_min_max(xyz1[0], newindex, mins, maxs)
        for i in range(len(majorLocs)):
            xyz1[i][newindex] = newval

        # Grid points at end of the other plane
        xyz2 = copy.deepcopy(xyz0)
        newindex = (index + 2) % 3
        newval = get_flip_min_max(xyz2[0], newindex, mins, maxs)
        for i in range(len(majorLocs)):
            xyz2[i][newindex] = newval

        lines = zip(xyz1, xyz0, xyz2)
        if self.axes._draw_grid:
            self.gridlines.set_segments(lines)
            self.gridlines.set_color([(0.9, 0.9, 0.9, 1)] * len(lines))
            self.gridlines.draw(renderer, project=True)

        # Draw ticks
        tickdir = info['tickdir']
        tickdelta = deltas[tickdir]
        if highs[tickdir]:
            ticksign = 1
        else:
            ticksign = -1

        for tick, loc, label in zip(majorTicks, majorLocs, majorLabels):
            if tick is None:
                continue

            # Get tick line positions
            pos = copy.copy(edgep1)
            pos[index] = loc
            pos[tickdir] = edgep1[tickdir] + 0.1 * ticksign * tickdelta
            x1, y1, z1 = proj3d.proj_transform(pos[0], pos[1], pos[2], \
                    renderer.M)
            pos[tickdir] = edgep1[tickdir] - 0.2 * ticksign * tickdelta
            x2, y2, z2 = proj3d.proj_transform(pos[0], pos[1], pos[2], \
                    renderer.M)

            # Get position of label
            labeldeltas = [0.6 * x for x in deltas]
            axmask = [True, True, True]
            axmask[index] = False
            pos[tickdir] = edgep1[tickdir]
            pos = move_from_center(pos, centers, labeldeltas, axmask)
            lx, ly, lz = proj3d.proj_transform(pos[0], pos[1], pos[2], \
                    renderer.M)

            tick_update_position(tick, (x1, x2), (y1, y2), (lx, ly))
            tick.set_label1(label)
            tick.set_label2(label)
            tick.draw(renderer)

        renderer.close_group('axis3d')
Exemple #7
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    def draw(self, renderer):
        self.label._transform = self.axes.transData
        renderer.open_group('axis3d')

        # code from XAxis
        majorTicks = self.get_major_ticks()
        majorLocs = self.major.locator()
        
        # filter locations here so that no extra grid lines are drawn
        interval = self.get_view_interval()
        majorLocs = [loc for loc in majorLocs if \
                interval[0] < loc < interval[1]]
        self.major.formatter.set_locs(majorLocs)
        majorLabels = [self.major.formatter(val, i)
                       for i, val in enumerate(majorLocs)]

        # Determine bounds
        minx, maxx, miny, maxy, minz, maxz = self.axes.get_w_lims()
        mins = (minx, miny, minz)
        maxs = (maxx, maxy, maxz)
        centers = [(maxv + minv) / 2 for minv, maxv in zip(mins, maxs)]
        deltas = [(maxv - minv) / 12 for minv, maxv in zip(mins, maxs)]
        mins = [minv - delta / 4 for minv, delta in zip(mins, deltas)]
        maxs = [maxv + delta / 4 for maxv, delta in zip(maxs, deltas)]

        # Determine which planes should be visible by the avg z value
        vals = mins[0], maxs[0], mins[1], maxs[1], mins[2], maxs[2]
        tc = self.axes.tunit_cube(vals, renderer.M)
        avgz = [tc[p1][2] + tc[p2][2] + tc[p3][2] + tc[p4][2] for \
                p1, p2, p3, p4 in self._PLANES]
        highs = [avgz[2*i] < avgz[2*i+1] for i in range(3)]

        # Draw plane
        info = self._AXINFO[self.adir]
        index = info['i']
        if not highs[index]:
            plane = self._PLANES[2 * index]
        else:
            plane = self._PLANES[2 * index + 1]
        xys = [tc[p] for p in plane]
        self.set_pane(xys, info['color'])
        self.pane.draw(renderer)

        # Determine grid lines
        minmax = []
        for i, val in enumerate(highs):
            if val:
                minmax.append(maxs[i])
            else:
                minmax.append(mins[i])

        # Draw main axis line
        juggled = art3d.juggle_axes(0, 2, 1, self.adir)
        edgep1 = copy.copy(minmax)
        edgep1[juggled[0]] = get_flip_min_max(edgep1, juggled[0], mins, maxs)
        edgep2 = copy.copy(edgep1)
        edgep2[juggled[1]] = get_flip_min_max(edgep2, juggled[1], mins, maxs)
        pep = proj3d.proj_trans_points([edgep1, edgep2], renderer.M)
        self.line.set_data((pep[0][0], pep[0][1]), (pep[1][0], pep[1][1]))
        self.line.draw(renderer)

        # Grid points where the planes meet
        xyz0 = []
        for val in majorLocs:
            coord = copy.copy(minmax)
            coord[index] = val
            xyz0.append(coord)

        # Draw labels
        dy = pep[1][1] - pep[1][0]
        dx = pep[0][1] - pep[0][0]
        lxyz = [(v1 + v2) / 2 for v1, v2 in zip(edgep1, edgep2)]
        labeldeltas = [1.3 * x for x in deltas]
        lxyz = move_from_center(lxyz, centers, labeldeltas)
        tlx, tly, tlz = proj3d.proj_transform(lxyz[0], lxyz[1], lxyz[2], \
                renderer.M)
        self.label.set_position((tlx, tly))
        if self.get_rotate_label(self.label.get_text()):
            angle = art3d.norm_text_angle(math.degrees(math.atan2(dy, dx)))
            self.label.set_rotation(angle)
        self.label.set_va('center')
        self.label.draw(renderer)

        # Grid points at end of one plane
        xyz1 = copy.deepcopy(xyz0)
        newindex = (index + 1) % 3
        newval = get_flip_min_max(xyz1[0], newindex, mins, maxs)
        for i in range(len(majorLocs)):
            xyz1[i][newindex] = newval

        # Grid points at end of the other plane
        xyz2 = copy.deepcopy(xyz0)
        newindex = (index + 2) %  3
        newval = get_flip_min_max(xyz2[0], newindex, mins, maxs)
        for i in range(len(majorLocs)):
            xyz2[i][newindex] = newval

        lines = zip(xyz1, xyz0, xyz2)
        if self.axes._draw_grid:
            self.gridlines.set_segments(lines)
            self.gridlines.set_color([(0.9,0.9,0.9,1)] * len(lines))
            self.gridlines.draw(renderer, project=True)

        # Draw ticks
        tickdir = info['tickdir']
        tickdelta = deltas[tickdir]
        if highs[tickdir]:
            ticksign = 1
        else:
            ticksign = -1

        for tick, loc, label in zip(majorTicks, majorLocs, majorLabels):
            if tick is None:
                continue

            # Get tick line positions
            pos = copy.copy(edgep1)
            pos[index] = loc
            pos[tickdir] = edgep1[tickdir] + 0.1 * ticksign * tickdelta
            x1, y1, z1 = proj3d.proj_transform(pos[0], pos[1], pos[2], \
                    renderer.M)
            pos[tickdir] = edgep1[tickdir] - 0.2 * ticksign * tickdelta
            x2, y2, z2 = proj3d.proj_transform(pos[0], pos[1], pos[2], \
                    renderer.M)

            # Get position of label
            labeldeltas = [0.6 * x for x in deltas]
            axmask = [True, True, True]
            axmask[index] = False
            pos[tickdir] = edgep1[tickdir]
            pos = move_from_center(pos, centers, labeldeltas, axmask)
            lx, ly, lz = proj3d.proj_transform(pos[0], pos[1], pos[2], \
                    renderer.M)

            tick_update_position(tick, (x1, x2), (y1, y2), (lx, ly))
            tick.set_label1(label)
            tick.set_label2(label)
            tick.draw(renderer)

        renderer.close_group('axis3d')