Python zalpha示例

示例#1

文件： test_mplot3d.py 项目： anntzer/matplotlib

def test_art3d_deprecated():

    with pytest.warns(MatplotlibDeprecationWarning):
        art3d.norm_angle(0.0)

    with pytest.warns(MatplotlibDeprecationWarning):
        art3d.norm_text_angle(0.0)

    path = mpath.Path(np.empty((0, 2)))

    with pytest.warns(MatplotlibDeprecationWarning):
        art3d.path_to_3d_segment(path)

    with pytest.warns(MatplotlibDeprecationWarning):
        art3d.paths_to_3d_segments([path])

    with pytest.warns(MatplotlibDeprecationWarning):
        art3d.path_to_3d_segment_with_codes(path)

    with pytest.warns(MatplotlibDeprecationWarning):
        art3d.paths_to_3d_segments_with_codes([path])

    with pytest.warns(MatplotlibDeprecationWarning):
        art3d.get_colors([], 1)

    with pytest.warns(MatplotlibDeprecationWarning):
        art3d.zalpha([], [])

示例#2

文件： test_mplot3d.py 项目： zjor/matplotlib

def test_art3d_deprecated():

    with pytest.warns(MatplotlibDeprecationWarning):
        art3d.norm_angle(0.0)

    with pytest.warns(MatplotlibDeprecationWarning):
        art3d.norm_text_angle(0.0)

    path = mpath.Path(np.empty((0, 2)))

    with pytest.warns(MatplotlibDeprecationWarning):
        art3d.path_to_3d_segment(path)

    with pytest.warns(MatplotlibDeprecationWarning):
        art3d.paths_to_3d_segments([path])

    with pytest.warns(MatplotlibDeprecationWarning):
        art3d.path_to_3d_segment_with_codes(path)

    with pytest.warns(MatplotlibDeprecationWarning):
        art3d.paths_to_3d_segments_with_codes([path])

    with pytest.warns(MatplotlibDeprecationWarning):
        art3d.get_colors([], 1)

    with pytest.warns(MatplotlibDeprecationWarning):
        art3d.zalpha([], [])

示例#3

文件： collections.py 项目： pgunnink/pybinding

    def do_3d_projection(self, renderer):
        from mpl_toolkits.mplot3d import proj3d
        from mpl_toolkits.mplot3d.art3d import zalpha
        from matplotlib import colors as mcolors

        # transform and sort in z direction
        v = np.array(
            proj3d.proj_transform_clip(*self._offsets3d, M=renderer.M)[:3])
        idx = v[2].argsort()[::-1]
        vzs = v[2, idx]

        self.set_offsets(v[:2, idx].transpose())
        super().set_array(self._A0[idx])

        fcs = zalpha(self._facecolor3d,
                     vzs) if self._depthshade else self._facecolor3d
        fcs = mcolors.colorConverter.to_rgba_array(fcs, self._alpha)
        self.set_facecolors(fcs)

        ecs = zalpha(self._edgecolor3d,
                     vzs) if self._depthshade else self._edgecolor3d
        ecs = mcolors.colorConverter.to_rgba_array(ecs, self._alpha)
        self.set_edgecolors(ecs)

        return min(vzs) if vzs.size > 0 else np.nan

示例#4

文件： collections.py 项目： Yukee/pybinding

    def do_3d_projection(self, renderer):
        from mpl_toolkits.mplot3d import proj3d
        from mpl_toolkits.mplot3d.art3d import zalpha
        from matplotlib import colors as mcolors

        # transform and sort in z direction
        v = np.array(proj3d.proj_transform_clip(*self._offsets3d, M=renderer.M)[:3])
        idx = v[2].argsort()[::-1]
        vzs = v[2, idx]

        self.set_offsets(v[:2, idx].transpose())
        super().set_array(self._A0[idx])

        fcs = zalpha(self._facecolor3d, vzs) if self._depthshade else self._facecolor3d
        fcs = mcolors.colorConverter.to_rgba_array(fcs, self._alpha)
        self.set_facecolors(fcs)

        ecs = zalpha(self._edgecolor3d, vzs) if self._depthshade else self._edgecolor3d
        ecs = mcolors.colorConverter.to_rgba_array(ecs, self._alpha)
        self.set_edgecolors(ecs)

        return min(vzs) if vzs.size > 0 else np.nan