基于 Color 和 Vispy 的 图像分析工具_python_代码_下载

# -*- coding: utf-8 -*- """ Gamut View ========== Defines the *Gamut View* related objects: - :class:`GamutView` """ from __future__ import division, unicode_literals from collections import OrderedDict, namedtuple import numpy as np from vispy.scene.widgets import Label, ViewBox, Widget from vispy.scene.visuals import GridLines from colour import RGB_COLOURSPACES from colour.utilities import is_string from colour_analysis.cameras import OrbitCamera from colour_analysis.constants import REFERENCE_COLOURSPACES from colour_analysis.utilities import Cycle from colour_analysis.visuals import ( RGB_colourspace_volume_visual, RGB_scatter_visual, axis_visual, spectral_locus_visual, pointer_gamut_visual, pointer_gamut_hull_visual) __author__ = 'Colour Developers' __copyright__ = 'Copyright (C) 2013-2021 - Colour Developers' __license__ = 'New BSD License - https://opensource.org/licenses/BSD-3-Clause' __maintainer__ = 'Colour Developers' __email__ = 'colour-developers@colour-science.org' __status__ = 'Production' __all__ = [ 'CameraPreset', 'RGB_ColourspaceVisualPreset', 'GridVisualPreset', 'AxisPreset', 'GamutView' ] CameraPreset = namedtuple( 'CameraPreset', ('name', 'description', 'reference_colourspace', 'fov', 'elevation', 'azimuth', 'distance', 'translate_speed', 'depth_value', 'center', 'up')) """ Defines a camera settings preset. CameraPreset : namedtuple """ RGB_ColourspaceVisualPreset = namedtuple( 'RGB_ColourspaceVisualPreset', ('name', 'description', 'segments', 'uniform_colour', 'uniform_opacity', 'wireframe', 'wireframe_colour', 'wireframe_opacity')) """ Defines a *RGB* colourspace volume visual style preset. RGB_ColourspaceVisualPreset : namedtuple """ GridVisualPreset = namedtuple('GridVisualPreset', ('name', 'description', 'uniform_colour')) """ Defines a grid visual style preset. GridVisualPreset : namedtuple """ AxisPreset = namedtuple( 'AxisPreset', ('name', 'description', 'reference_colourspace', 'scale')) """ Defines an axis visual style preset. AxisPreset : namedtuple """ class GamutView(ViewBox): """ Defines the *Gamut View*. Parameters ---------- scene_canvas : SceneCanvas, optional Current `vispy.scene.SceneCanvas` instance. image : array_like, optional Image to use in the view interactions. input_colourspace : unicode, optional **{'ITU-R BT.709', 'ACES2065-1', 'ACEScc', 'ACEScg', 'ACESproxy', 'ALEXA Wide Gamut', 'Adobe RGB (1998)', 'Adobe Wide Gamut RGB', 'Apple RGB', 'Best RGB', 'Beta RGB', 'CIE RGB', 'Cinema Gamut', 'ColorMatch RGB', 'DCI-P3', 'DCI-P3+', 'DRAGONcolor', 'DRAGONcolor2', 'Don RGB 4', 'ECI RGB v2', 'ERIMM RGB', 'Ekta Space PS 5', 'Max RGB', 'NTSC', 'Pal/Secam', 'ProPhoto RGB', 'REDcolor', 'REDcolor2', 'REDcolor3', 'REDcolor4', 'RIMM RGB', 'ROMM RGB', 'ITU-R BT.2020', 'Russell RGB', 'S-Gamut', 'S-Gamut3', 'S-Gamut3.Cine', 'SMPTE-C RGB', 'V-Gamut', 'Xtreme RGB', 'sRGB'}**, :class:`colour.RGB_Colourspace` class instance name defining `image` argument colourspace. reference_colourspace : unicode, optional **{'CIE XYZ', 'CIE xyY', 'CIE Lab', 'CIE Luv', 'CIE UCS', 'CIE UVW', 'IPT', 'Hunter Lab', 'Hunter Rdab'}**, Reference colourspace to use for colour conversions / transformations. correlate_colourspace : unicode, optional See `input_colourspace` argument for possible values, default value is *ACEScg*. :class:`colour.RGB_Colourspace` class instance name defining the comparison / correlate colourspace. Other Parameters ---------------- \\**kwargs : dict, optional Keywords arguments passed to :class:`vispy.scene.widgets.viewbox.Viewbox` class constructor. Attributes ---------- scene_canvas image input_colourspace reference_colourspace correlate_colourspace settings Methods ------- toggle_input_colourspace_visual_visibility_action cycle_input_colourspace_visual_style_action toggle_correlate_colourspace_visual_visibility_action cycle_correlate_colourspace_visual_style_action toggle_RGB_scatter_visual_visibility_action cycle_RGB_scatter_visual_style_action toggle_pointer_gamut_visual_visibility_action cycle_pointer_gamut_visual_style_action toggle_spectral_locus_visual_visibility_action cycle_spectral_locus_visual_style_action toggle_axis_visual_visibility_action decrease_colourspace_visual_resolution_action increase_colourspace_visual_resolution_action """ def __init__(self, scene_canvas=None, image=None, input_colourspace='ITU-R BT.709', reference_colourspace='CIE xyY', correlate_colourspace='ACEScg', settings=None, **kwargs): self._initialised = False ViewBox.__init__(self, **kwargs) self.unfreeze() self._scene_canvas = scene_canvas self._image = None self.image = image self._input_colourspace = None self.input_colourspace = input_colourspace self._reference_colourspace = None self.reference_colourspace = reference_colourspace self._correlate_colourspace = None self.correlate_colourspace = correlate_colourspace self._settings = None self.settings = settings self._camera_presets = {} self._visuals_style_presets = OrderedDict() self._axis_presets = {} self._grid = None self._label = None self._colourspace_visual_resolution = 16 self._colourspace_visual_resolution_limits = (1, 64) self._input_colourspace_visual = None self._correlate_colourspace_visual = None self._RGB_scatter_visual = None self._pointer_gamut_visual = None self._pointer_gamut_hull_visual = None self._spectral_locus_visual = None self._grid_visual = None self._axis_visual = None self._visuals = ('RGB_scatter_visual', 'input_colourspace_visual', 'correlate_colourspace_visual', 'pointer_gamut_visual', 'pointer_gamut_hull_visual', 'spectral_locus_visual', 'grid_visual', 'axis_visual') self._visuals_visibility = None self._create_presets() self._create_visuals() self._attach_visuals() self._create_camera() self._create_label() self._initialised = True @property def scene_canvas(self): """ Property for **self.scene_canvas** attribute. Returns ------- SceneCanvas """ return self._scene_canvas @property def image(self): """ Property for **self._image** private attribute. Returns ------- array_like self._image. """ return self._image @image.setter def image(self, value): """ Setter for **self._image** private attribute. Parameters ---------- value : array_like Attribute value. """ if value is not None: assert isinstance(value, (tuple, list, np.ndarray, np.matrix)), (( '"{0}" attribute: "{1}" is not a "tuple", "list", "ndarray" ' 'or "matrix" instance!').format('image', value)) self._image = value if self._initialised: self._store_visuals_visibility() self._detach_visuals() self._create_RGB_scatter_visual(self._image) self._attach_visuals() self._restore_visuals_visibility() self._label_text() @property def input_colourspace(self): """ Property for **self._input_colourspace**