polishing

casting numpy.bool_ to bool is a little bit annoying. Mabye using Union[bool, np.bool_] is the better
solution, it does not require any changes to the actual code and there is some
hope that it will get fixed in mypy https://github.com/numpy/numpy/issues/18876
This commit is contained in:
Martin Diehl 2021-11-25 21:22:52 +01:00
parent bd908dc425
commit 4ba7c9e670
1 changed files with 131 additions and 19 deletions

View File

@ -3,7 +3,7 @@ import json
import functools
import colorsys
from pathlib import Path
from typing import Sequence, Union, List, TextIO
from typing import Sequence, Union, TextIO
import numpy as np
@ -128,18 +128,18 @@ class Colormap(mpl.colors.ListedColormap):
raise ValueError(f'Invalid color model: {model}.')
low_high = np.vstack((low,high))
outofbounds = np.bool_(False)
out_of_bounds = np.bool_(False)
if model.lower() == 'rgb':
outofbounds = np.any(low_high<0) or np.any(low_high>1)
out_of_bounds = np.any(low_high<0) or np.any(low_high>1)
elif model.lower() == 'hsv':
outofbounds = np.any(low_high<0) or np.any(low_high>[360,1,1])
out_of_bounds = np.any(low_high<0) or np.any(low_high>[360,1,1])
elif model.lower() == 'hsl':
outofbounds = np.any(low_high<0) or np.any(low_high>[360,1,1])
out_of_bounds = np.any(low_high<0) or np.any(low_high>[360,1,1])
elif model.lower() == 'lab':
outofbounds = np.any(low_high[:,0]<0)
out_of_bounds = np.any(low_high[:,0]<0)
if outofbounds:
if out_of_bounds:
raise ValueError(f'{model.upper()} colors {low} | {high} are out of bounds.')
low_,high_ = map(toMsh[model.lower()],low_high)
@ -162,9 +162,9 @@ class Colormap(mpl.colors.ListedColormap):
name : str
Name of the colormap.
N : int, optional
Number of color quantization levels. Defaults to 256.
This parameter is not used for matplotlib colormaps
that are of type `ListedColormap`.
Number of color quantization levels. Defaults to 256.
This parameter is not used for matplotlib colormaps
that are of type `ListedColormap`.
Returns
-------
@ -260,8 +260,8 @@ class Colormap(mpl.colors.ListedColormap):
def _get_file_handle(self,
fname: Union[TextIO, str, Path, None] = None,
suffix: str = None) -> TextIO:
fname: Union[TextIO, str, Path, None],
suffix: str) -> TextIO:
"""
Provide filehandle.
@ -270,7 +270,7 @@ class Colormap(mpl.colors.ListedColormap):
fname : file, str, pathlib.Path, or None
Filename or filehandle.
If None, colormap name + suffix.
suffix: str, optional
suffix: str
Extension to use for colormap filename.
Returns
@ -298,7 +298,7 @@ class Colormap(mpl.colors.ListedColormap):
consist of the name of the colormap with extension '.json'.
"""
colors: List = []
colors = []
for i,c in enumerate(np.round(self.colors,6).tolist()):
colors+=[i]+c
@ -369,7 +369,7 @@ class Colormap(mpl.colors.ListedColormap):
@staticmethod
def _interpolate_msh(frac: Union[float,int],
def _interpolate_msh(frac: float,
low: np.ndarray,
high: np.ndarray) -> np.ndarray:
"""
@ -449,24 +449,76 @@ class Colormap(mpl.colors.ListedColormap):
@staticmethod
def _hsv2rgb(hsv: np.ndarray) -> np.ndarray:
"""Hue Saturation Value to Red Green Blue."""
"""
Hue Saturation Value to Red Green Blue.
Parameters
----------
hsv : numpy.ndarray of shape (3)
HSV values.
Returns
-------
rgb : numpy.ndarray of shape (3)
RGB values.
"""
return np.array(colorsys.hsv_to_rgb(hsv[0]/360.,hsv[1],hsv[2]))
@staticmethod
def _rgb2hsv(rgb: np.ndarray) -> np.ndarray:
"""Red Green Blue to Hue Saturation Value."""
"""
Red Green Blue to Hue Saturation Value.
Parameters
----------
rgb : numpy.ndarray of shape (3)
RGB values.
Returns
-------
hsv : numpy.ndarray of shape (3)
HSV values.
"""
h,s,v = colorsys.rgb_to_hsv(rgb[0],rgb[1],rgb[2])
return np.array([h*360,s,v])
@staticmethod
def _hsl2rgb(hsl: np.ndarray) -> np.ndarray:
"""Hue Saturation Luminance to Red Green Blue."""
"""
Hue Saturation Luminance to Red Green Blue.
Parameters
----------
hsl : numpy.ndarray of shape (3)
HSL values.
Returns
-------
rgb : numpy.ndarray of shape (3)
RGB values.
"""
return np.array(colorsys.hls_to_rgb(hsl[0]/360.,hsl[2],hsl[1]))
@staticmethod
def _rgb2hsl(rgb: np.ndarray) -> np.ndarray:
"""Red Green Blue to Hue Saturation Luminance."""
"""
Red Green Blue to Hue Saturation Luminance.
Parameters
----------
rgb : numpy.ndarray of shape (3)
RGB values.
Returns
-------
hsl : numpy.ndarray of shape (3)
HSL values.
"""
h,l,s = colorsys.rgb_to_hls(rgb[0],rgb[1],rgb[2])
return np.array([h*360,s,l])
@ -476,6 +528,16 @@ class Colormap(mpl.colors.ListedColormap):
"""
CIE Xyz to Red Green Blue.
Parameters
----------
xyz : numpy.ndarray of shape (3)
CIE Xyz values.
Returns
-------
rgb : numpy.ndarray of shape (3)
RGB values.
References
----------
https://www.easyrgb.com/en/math.php
@ -496,6 +558,16 @@ class Colormap(mpl.colors.ListedColormap):
"""
Red Green Blue to CIE Xyz.
Parameters
----------
rgb : numpy.ndarray of shape (3)
RGB values.
Returns
-------
xyz : numpy.ndarray of shape (3)
CIE Xyz values.
References
----------
https://www.easyrgb.com/en/math.php
@ -514,6 +586,16 @@ class Colormap(mpl.colors.ListedColormap):
"""
CIE Lab to CIE Xyz.
Parameters
----------
lab : numpy.ndarray of shape (3)
CIE lab values.
Returns
-------
xyz : numpy.ndarray of shape (3)
CIE Xyz values.
References
----------
http://www.brucelindbloom.com/index.html?Eqn_Lab_to_XYZ.html
@ -533,6 +615,16 @@ class Colormap(mpl.colors.ListedColormap):
"""
CIE Xyz to CIE Lab.
Parameters
----------
xyz : numpy.ndarray of shape (3)
CIE Xyz values.
Returns
-------
lab : numpy.ndarray of shape (3)
CIE lab values.
References
----------
http://www.brucelindbloom.com/index.html?Eqn_Lab_to_XYZ.html
@ -553,6 +645,16 @@ class Colormap(mpl.colors.ListedColormap):
"""
CIE Lab to Msh.
Parameters
----------
lab : numpy.ndarray of shape (3)
CIE lab values.
Returns
-------
msh : numpy.ndarray of shape (3)
Msh values.
References
----------
https://www.kennethmoreland.com/color-maps/ColorMapsExpanded.pdf
@ -571,6 +673,16 @@ class Colormap(mpl.colors.ListedColormap):
"""
Msh to CIE Lab.
Parameters
----------
msh : numpy.ndarray of shape (3)
Msh values.
Returns
-------
lab : numpy.ndarray of shape (3)
CIE lab values.
References
----------
https://www.kennethmoreland.com/color-maps/ColorMapsExpanded.pdf