https://github.com/yalcinerbora/meturay
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Change small typo on README.md
Tip revision: 9d75894
data.py
""" Functions for image loading, saving, and color map changes """
#################################################################################
# Copyright (c) 2020-2022, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
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# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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# SPDX-FileCopyrightText: Copyright (c) 2020-2022 NVIDIA CORPORATION & AFFILIATES
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#################################################################################

# Visualizing and Communicating Errors in Rendered Images
# Ray Tracing Gems II, 2021,
# by Pontus Andersson, Jim Nilsson, and Tomas Akenine-Moller.
# Pointer to the chapter: https://research.nvidia.com/publication/2021-08_Visualizing-and-Communicating.

# Visualizing Errors in Rendered High Dynamic Range Images
# Eurographics 2021,
# by Pontus Andersson, Jim Nilsson, Peter Shirley, and Tomas Akenine-Moller.
# Pointer to the paper: https://research.nvidia.com/publication/2021-05_HDR-FLIP.

# FLIP: A Difference Evaluator for Alternating Images
# High Performance Graphics 2020,
# by Pontus Andersson, Jim Nilsson, Tomas Akenine-Moller,
# Magnus Oskarsson, Kalle Astrom, and Mark D. Fairchild.
# Pointer to the paper: https://research.nvidia.com/publication/2020-07_FLIP.

# Code by Pontus Andersson, Jim Nilsson, and Tomas Akenine-Moller.

import numpy as np
import OpenEXR as exr
import Imath
from PIL import Image

def HWCtoCHW(x):
	"""
	Transforms an image from HxWxC layout to CxHxW

	:param x: image with HxWxC layout
	:return: image with CxHxW layout
	"""
	return np.rollaxis(x, 2)

def CHWtoHWC(x):
	"""
	Transforms an image from CxHxW layout to HxWxC

	:param x: image with CxHxW layout
	:return: image with HxWxC layout
	"""
	return np.swapaxes(np.swapaxes(x, 0, 1), 1, 2)

def save_image(img_file, img):
	"""
	Saves image as png

	:param img_file: image's filename
	:param img: float image (in the [0,1] range) to save
	"""
	img_array = (np.round(np.clip(img, 0.0, 1.0) * 255.0)).astype(np.uint8)
	im = Image.fromarray(img_array)
	im.save(img_file)

def load_image_array(img_file):
	"""
	Loads an image (in the [0, 255] range) and transforms it into a numpy array and into the [0, 1] range

	:param img_file: image's filename
	:return: float image (in the [0,1] range) on CxHxW layout
	"""
	img = Image.open(img_file, 'r').convert('RGB')
	img = np.asarray(img).astype(np.float32)
	img = HWCtoCHW(img)
	img = img / 255.0
	return img

def read_exr(filename):
	"""
	Read color data from EXR image file. Set negative values and nans to 0.

	:param filename: string describing file path
	:return: RGB image in float32 format (with HxWxC layout)
	"""
	exrfile = exr.InputFile(filename)
	header = exrfile.header()

	dw = header['dataWindow']
	isize = (dw.max.y - dw.min.y + 1, dw.max.x - dw.min.x + 1)

	channelData = dict()

	# Convert all channels in the image to numpy arrays
	for c in header['channels']:
		C = exrfile.channel(c, Imath.PixelType(Imath.PixelType.FLOAT))
		C = np.frombuffer(C, dtype=np.float32)
		C = np.reshape(C, isize)

		channelData[c] = C

	if len(channelData) == 1:
		channelData['R'] = channelData['G'] = channelData['B'] = channelData[next(iter(channelData))]

	colorChannels = ['R', 'G', 'B']
	img = np.concatenate([channelData[c][...,np.newaxis] for c in colorChannels], axis=2)

	return np.maximum(np.nan_to_num(np.array(img)), 0.0) # added maximum to avoid negative values in images

def index2color(index_map, color_map):
	"""
	Transforms grayscale index map to colors in a color map

	:param index_map: integer matrix containing integer versions of the FLIP errors, scaled to [0,255]
	:param color_map: matrix of size 256x3 where each row contains a color
	:return: error map in color map colors
	"""
	dim = index_map.shape
	index_map = index_map.flatten().astype(int)
	column_stacked_colors = color_map[index_map, :]
	heat_map = np.reshape(column_stacked_colors.transpose(), (3, dim[0], dim[1]))
	return heat_map

def get_magma_map():
	"""
	Return the magma map, described here: https://bids.github.io/colormap/

	:return: matrix of size 256x3 where each row contains a color in the magma map
	"""
	color_map = [[0.001462, 0.000466, 0.013866],
				[0.002258, 0.001295, 0.018331],
				[0.003279, 0.002305, 0.023708],
				[0.004512, 0.003490, 0.029965],
				[0.005950, 0.004843, 0.037130],
				[0.007588, 0.006356, 0.044973],
				[0.009426, 0.008022, 0.052844],
				[0.011465, 0.009828, 0.060750],
				[0.013708, 0.011771, 0.068667],
				[0.016156, 0.013840, 0.076603],
				[0.018815, 0.016026, 0.084584],
				[0.021692, 0.018320, 0.092610],
				[0.024792, 0.020715, 0.100676],
				[0.028123, 0.023201, 0.108787],
				[0.031696, 0.025765, 0.116965],
				[0.035520, 0.028397, 0.125209],
				[0.039608, 0.031090, 0.133515],
				[0.043830, 0.033830, 0.141886],
				[0.048062, 0.036607, 0.150327],
				[0.052320, 0.039407, 0.158841],
				[0.056615, 0.042160, 0.167446],
				[0.060949, 0.044794, 0.176129],
				[0.065330, 0.047318, 0.184892],
				[0.069764, 0.049726, 0.193735],
				[0.074257, 0.052017, 0.202660],
				[0.078815, 0.054184, 0.211667],
				[0.083446, 0.056225, 0.220755],
				[0.088155, 0.058133, 0.229922],
				[0.092949, 0.059904, 0.239164],
				[0.097833, 0.061531, 0.248477],
				[0.102815, 0.063010, 0.257854],
				[0.107899, 0.064335, 0.267289],
				[0.113094, 0.065492, 0.276784],
				[0.118405, 0.066479, 0.286321],
				[0.123833, 0.067295, 0.295879],
				[0.129380, 0.067935, 0.305443],
				[0.135053, 0.068391, 0.315000],
				[0.140858, 0.068654, 0.324538],
				[0.146785, 0.068738, 0.334011],
				[0.152839, 0.068637, 0.343404],
				[0.159018, 0.068354, 0.352688],
				[0.165308, 0.067911, 0.361816],
				[0.171713, 0.067305, 0.370771],
				[0.178212, 0.066576, 0.379497],
				[0.184801, 0.065732, 0.387973],
				[0.191460, 0.064818, 0.396152],
				[0.198177, 0.063862, 0.404009],
				[0.204935, 0.062907, 0.411514],
				[0.211718, 0.061992, 0.418647],
				[0.218512, 0.061158, 0.425392],
				[0.225302, 0.060445, 0.431742],
				[0.232077, 0.059889, 0.437695],
				[0.238826, 0.059517, 0.443256],
				[0.245543, 0.059352, 0.448436],
				[0.252220, 0.059415, 0.453248],
				[0.258857, 0.059706, 0.457710],
				[0.265447, 0.060237, 0.461840],
				[0.271994, 0.060994, 0.465660],
				[0.278493, 0.061978, 0.469190],
				[0.284951, 0.063168, 0.472451],
				[0.291366, 0.064553, 0.475462],
				[0.297740, 0.066117, 0.478243],
				[0.304081, 0.067835, 0.480812],
				[0.310382, 0.069702, 0.483186],
				[0.316654, 0.071690, 0.485380],
				[0.322899, 0.073782, 0.487408],
				[0.329114, 0.075972, 0.489287],
				[0.335308, 0.078236, 0.491024],
				[0.341482, 0.080564, 0.492631],
				[0.347636, 0.082946, 0.494121],
				[0.353773, 0.085373, 0.495501],
				[0.359898, 0.087831, 0.496778],
				[0.366012, 0.090314, 0.497960],
				[0.372116, 0.092816, 0.499053],
				[0.378211, 0.095332, 0.500067],
				[0.384299, 0.097855, 0.501002],
				[0.390384, 0.100379, 0.501864],
				[0.396467, 0.102902, 0.502658],
				[0.402548, 0.105420, 0.503386],
				[0.408629, 0.107930, 0.504052],
				[0.414709, 0.110431, 0.504662],
				[0.420791, 0.112920, 0.505215],
				[0.426877, 0.115395, 0.505714],
				[0.432967, 0.117855, 0.506160],
				[0.439062, 0.120298, 0.506555],
				[0.445163, 0.122724, 0.506901],
				[0.451271, 0.125132, 0.507198],
				[0.457386, 0.127522, 0.507448],
				[0.463508, 0.129893, 0.507652],
				[0.469640, 0.132245, 0.507809],
				[0.475780, 0.134577, 0.507921],
				[0.481929, 0.136891, 0.507989],
				[0.488088, 0.139186, 0.508011],
				[0.494258, 0.141462, 0.507988],
				[0.500438, 0.143719, 0.507920],
				[0.506629, 0.145958, 0.507806],
				[0.512831, 0.148179, 0.507648],
				[0.519045, 0.150383, 0.507443],
				[0.525270, 0.152569, 0.507192],
				[0.531507, 0.154739, 0.506895],
				[0.537755, 0.156894, 0.506551],
				[0.544015, 0.159033, 0.506159],
				[0.550287, 0.161158, 0.505719],
				[0.556571, 0.163269, 0.505230],
				[0.562866, 0.165368, 0.504692],
				[0.569172, 0.167454, 0.504105],
				[0.575490, 0.169530, 0.503466],
				[0.581819, 0.171596, 0.502777],
				[0.588158, 0.173652, 0.502035],
				[0.594508, 0.175701, 0.501241],
				[0.600868, 0.177743, 0.500394],
				[0.607238, 0.179779, 0.499492],
				[0.613617, 0.181811, 0.498536],
				[0.620005, 0.183840, 0.497524],
				[0.626401, 0.185867, 0.496456],
				[0.632805, 0.187893, 0.495332],
				[0.639216, 0.189921, 0.494150],
				[0.645633, 0.191952, 0.492910],
				[0.652056, 0.193986, 0.491611],
				[0.658483, 0.196027, 0.490253],
				[0.664915, 0.198075, 0.488836],
				[0.671349, 0.200133, 0.487358],
				[0.677786, 0.202203, 0.485819],
				[0.684224, 0.204286, 0.484219],
				[0.690661, 0.206384, 0.482558],
				[0.697098, 0.208501, 0.480835],
				[0.703532, 0.210638, 0.479049],
				[0.709962, 0.212797, 0.477201],
				[0.716387, 0.214982, 0.475290],
				[0.722805, 0.217194, 0.473316],
				[0.729216, 0.219437, 0.471279],
				[0.735616, 0.221713, 0.469180],
				[0.742004, 0.224025, 0.467018],
				[0.748378, 0.226377, 0.464794],
				[0.754737, 0.228772, 0.462509],
				[0.761077, 0.231214, 0.460162],
				[0.767398, 0.233705, 0.457755],
				[0.773695, 0.236249, 0.455289],
				[0.779968, 0.238851, 0.452765],
				[0.786212, 0.241514, 0.450184],
				[0.792427, 0.244242, 0.447543],
				[0.798608, 0.247040, 0.444848],
				[0.804752, 0.249911, 0.442102],
				[0.810855, 0.252861, 0.439305],
				[0.816914, 0.255895, 0.436461],
				[0.822926, 0.259016, 0.433573],
				[0.828886, 0.262229, 0.430644],
				[0.834791, 0.265540, 0.427671],
				[0.840636, 0.268953, 0.424666],
				[0.846416, 0.272473, 0.421631],
				[0.852126, 0.276106, 0.418573],
				[0.857763, 0.279857, 0.415496],
				[0.863320, 0.283729, 0.412403],
				[0.868793, 0.287728, 0.409303],
				[0.874176, 0.291859, 0.406205],
				[0.879464, 0.296125, 0.403118],
				[0.884651, 0.300530, 0.400047],
				[0.889731, 0.305079, 0.397002],
				[0.894700, 0.309773, 0.393995],
				[0.899552, 0.314616, 0.391037],
				[0.904281, 0.319610, 0.388137],
				[0.908884, 0.324755, 0.385308],
				[0.913354, 0.330052, 0.382563],
				[0.917689, 0.335500, 0.379915],
				[0.921884, 0.341098, 0.377376],
				[0.925937, 0.346844, 0.374959],
				[0.929845, 0.352734, 0.372677],
				[0.933606, 0.358764, 0.370541],
				[0.937221, 0.364929, 0.368567],
				[0.940687, 0.371224, 0.366762],
				[0.944006, 0.377643, 0.365136],
				[0.947180, 0.384178, 0.363701],
				[0.950210, 0.390820, 0.362468],
				[0.953099, 0.397563, 0.361438],
				[0.955849, 0.404400, 0.360619],
				[0.958464, 0.411324, 0.360014],
				[0.960949, 0.418323, 0.359630],
				[0.963310, 0.425390, 0.359469],
				[0.965549, 0.432519, 0.359529],
				[0.967671, 0.439703, 0.359810],
				[0.969680, 0.446936, 0.360311],
				[0.971582, 0.454210, 0.361030],
				[0.973381, 0.461520, 0.361965],
				[0.975082, 0.468861, 0.363111],
				[0.976690, 0.476226, 0.364466],
				[0.978210, 0.483612, 0.366025],
				[0.979645, 0.491014, 0.367783],
				[0.981000, 0.498428, 0.369734],
				[0.982279, 0.505851, 0.371874],
				[0.983485, 0.513280, 0.374198],
				[0.984622, 0.520713, 0.376698],
				[0.985693, 0.528148, 0.379371],
				[0.986700, 0.535582, 0.382210],
				[0.987646, 0.543015, 0.385210],
				[0.988533, 0.550446, 0.388365],
				[0.989363, 0.557873, 0.391671],
				[0.990138, 0.565296, 0.395122],
				[0.990871, 0.572706, 0.398714],
				[0.991558, 0.580107, 0.402441],
				[0.992196, 0.587502, 0.406299],
				[0.992785, 0.594891, 0.410283],
				[0.993326, 0.602275, 0.414390],
				[0.993834, 0.609644, 0.418613],
				[0.994309, 0.616999, 0.422950],
				[0.994738, 0.624350, 0.427397],
				[0.995122, 0.631696, 0.431951],
				[0.995480, 0.639027, 0.436607],
				[0.995810, 0.646344, 0.441361],
				[0.996096, 0.653659, 0.446213],
				[0.996341, 0.660969, 0.451160],
				[0.996580, 0.668256, 0.456192],
				[0.996775, 0.675541, 0.461314],
				[0.996925, 0.682828, 0.466526],
				[0.997077, 0.690088, 0.471811],
				[0.997186, 0.697349, 0.477182],
				[0.997254, 0.704611, 0.482635],
				[0.997325, 0.711848, 0.488154],
				[0.997351, 0.719089, 0.493755],
				[0.997351, 0.726324, 0.499428],
				[0.997341, 0.733545, 0.505167],
				[0.997285, 0.740772, 0.510983],
				[0.997228, 0.747981, 0.516859],
				[0.997138, 0.755190, 0.522806],
				[0.997019, 0.762398, 0.528821],
				[0.996898, 0.769591, 0.534892],
				[0.996727, 0.776795, 0.541039],
				[0.996571, 0.783977, 0.547233],
				[0.996369, 0.791167, 0.553499],
				[0.996162, 0.798348, 0.559820],
				[0.995932, 0.805527, 0.566202],
				[0.995680, 0.812706, 0.572645],
				[0.995424, 0.819875, 0.579140],
				[0.995131, 0.827052, 0.585701],
				[0.994851, 0.834213, 0.592307],
				[0.994524, 0.841387, 0.598983],
				[0.994222, 0.848540, 0.605696],
				[0.993866, 0.855711, 0.612482],
				[0.993545, 0.862859, 0.619299],
				[0.993170, 0.870024, 0.626189],
				[0.992831, 0.877168, 0.633109],
				[0.992440, 0.884330, 0.640099],
				[0.992089, 0.891470, 0.647116],
				[0.991688, 0.898627, 0.654202],
				[0.991332, 0.905763, 0.661309],
				[0.990930, 0.912915, 0.668481],
				[0.990570, 0.920049, 0.675675],
				[0.990175, 0.927196, 0.682926],
				[0.989815, 0.934329, 0.690198],
				[0.989434, 0.941470, 0.697519],
				[0.989077, 0.948604, 0.704863],
				[0.988717, 0.955742, 0.712242],
				[0.988367, 0.962878, 0.719649],
				[0.988033, 0.970012, 0.727077],
				[0.987691, 0.977154, 0.734536],
				[0.987387, 0.984288, 0.742002],
				[0.987053, 0.991438, 0.749504]]
	return np.asarray(color_map)

def get_viridis_map():
	"""
	Return the viridis map, described here: https://bids.github.io/colormap/

	:return: matrix of size 256x3 where each row contains a color in the virdis map
	"""
	color_map = [[0.267004, 0.004874, 0.329415],
				[0.268510, 0.009605, 0.335427],
				[0.269944, 0.014625, 0.341379],
				[0.271305, 0.019942, 0.347269],
				[0.272594, 0.025563, 0.353093],
				[0.273809, 0.031497, 0.358853],
				[0.274952, 0.037752, 0.364543],
				[0.276022, 0.044167, 0.370164],
				[0.277018, 0.050344, 0.375715],
				[0.277941, 0.056324, 0.381191],
				[0.278791, 0.062145, 0.386592],
				[0.279566, 0.067836, 0.391917],
				[0.280267, 0.073417, 0.397163],
				[0.280894, 0.078907, 0.402329],
				[0.281446, 0.084320, 0.407414],
				[0.281924, 0.089666, 0.412415],
				[0.282327, 0.094955, 0.417331],
				[0.282656, 0.100196, 0.422160],
				[0.282910, 0.105393, 0.426902],
				[0.283091, 0.110553, 0.431554],
				[0.283197, 0.115680, 0.436115],
				[0.283229, 0.120777, 0.440584],
				[0.283187, 0.125848, 0.444960],
				[0.283072, 0.130895, 0.449241],
				[0.282884, 0.135920, 0.453427],
				[0.282623, 0.140926, 0.457517],
				[0.282290, 0.145912, 0.461510],
				[0.281887, 0.150881, 0.465405],
				[0.281412, 0.155834, 0.469201],
				[0.280868, 0.160771, 0.472899],
				[0.280255, 0.165693, 0.476498],
				[0.279574, 0.170599, 0.479997],
				[0.278826, 0.175490, 0.483397],
				[0.278012, 0.180367, 0.486697],
				[0.277134, 0.185228, 0.489898],
				[0.276194, 0.190074, 0.493001],
				[0.275191, 0.194905, 0.496005],
				[0.274128, 0.199721, 0.498911],
				[0.273006, 0.204520, 0.501721],
				[0.271828, 0.209303, 0.504434],
				[0.270595, 0.214069, 0.507052],
				[0.269308, 0.218818, 0.509577],
				[0.267968, 0.223549, 0.512008],
				[0.266580, 0.228262, 0.514349],
				[0.265145, 0.232956, 0.516599],
				[0.263663, 0.237631, 0.518762],
				[0.262138, 0.242286, 0.520837],
				[0.260571, 0.246922, 0.522828],
				[0.258965, 0.251537, 0.524736],
				[0.257322, 0.256130, 0.526563],
				[0.255645, 0.260703, 0.528312],
				[0.253935, 0.265254, 0.529983],
				[0.252194, 0.269783, 0.531579],
				[0.250425, 0.274290, 0.533103],
				[0.248629, 0.278775, 0.534556],
				[0.246811, 0.283237, 0.535941],
				[0.244972, 0.287675, 0.537260],
				[0.243113, 0.292092, 0.538516],
				[0.241237, 0.296485, 0.539709],
				[0.239346, 0.300855, 0.540844],
				[0.237441, 0.305202, 0.541921],
				[0.235526, 0.309527, 0.542944],
				[0.233603, 0.313828, 0.543914],
				[0.231674, 0.318106, 0.544834],
				[0.229739, 0.322361, 0.545706],
				[0.227802, 0.326594, 0.546532],
				[0.225863, 0.330805, 0.547314],
				[0.223925, 0.334994, 0.548053],
				[0.221989, 0.339161, 0.548752],
				[0.220057, 0.343307, 0.549413],
				[0.218130, 0.347432, 0.550038],
				[0.216210, 0.351535, 0.550627],
				[0.214298, 0.355619, 0.551184],
				[0.212395, 0.359683, 0.551710],
				[0.210503, 0.363727, 0.552206],
				[0.208623, 0.367752, 0.552675],
				[0.206756, 0.371758, 0.553117],
				[0.204903, 0.375746, 0.553533],
				[0.203063, 0.379716, 0.553925],
				[0.201239, 0.383670, 0.554294],
				[0.199430, 0.387607, 0.554642],
				[0.197636, 0.391528, 0.554969],
				[0.195860, 0.395433, 0.555276],
				[0.194100, 0.399323, 0.555565],
				[0.192357, 0.403199, 0.555836],
				[0.190631, 0.407061, 0.556089],
				[0.188923, 0.410910, 0.556326],
				[0.187231, 0.414746, 0.556547],
				[0.185556, 0.418570, 0.556753],
				[0.183898, 0.422383, 0.556944],
				[0.182256, 0.426184, 0.557120],
				[0.180629, 0.429975, 0.557282],
				[0.179019, 0.433756, 0.557430],
				[0.177423, 0.437527, 0.557565],
				[0.175841, 0.441290, 0.557685],
				[0.174274, 0.445044, 0.557792],
				[0.172719, 0.448791, 0.557885],
				[0.171176, 0.452530, 0.557965],
				[0.169646, 0.456262, 0.558030],
				[0.168126, 0.459988, 0.558082],
				[0.166617, 0.463708, 0.558119],
				[0.165117, 0.467423, 0.558141],
				[0.163625, 0.471133, 0.558148],
				[0.162142, 0.474838, 0.558140],
				[0.160665, 0.478540, 0.558115],
				[0.159194, 0.482237, 0.558073],
				[0.157729, 0.485932, 0.558013],
				[0.156270, 0.489624, 0.557936],
				[0.154815, 0.493313, 0.557840],
				[0.153364, 0.497000, 0.557724],
				[0.151918, 0.500685, 0.557587],
				[0.150476, 0.504369, 0.557430],
				[0.149039, 0.508051, 0.557250],
				[0.147607, 0.511733, 0.557049],
				[0.146180, 0.515413, 0.556823],
				[0.144759, 0.519093, 0.556572],
				[0.143343, 0.522773, 0.556295],
				[0.141935, 0.526453, 0.555991],
				[0.140536, 0.530132, 0.555659],
				[0.139147, 0.533812, 0.555298],
				[0.137770, 0.537492, 0.554906],
				[0.136408, 0.541173, 0.554483],
				[0.135066, 0.544853, 0.554029],
				[0.133743, 0.548535, 0.553541],
				[0.132444, 0.552216, 0.553018],
				[0.131172, 0.555899, 0.552459],
				[0.129933, 0.559582, 0.551864],
				[0.128729, 0.563265, 0.551229],
				[0.127568, 0.566949, 0.550556],
				[0.126453, 0.570633, 0.549841],
				[0.125394, 0.574318, 0.549086],
				[0.124395, 0.578002, 0.548287],
				[0.123463, 0.581687, 0.547445],
				[0.122606, 0.585371, 0.546557],
				[0.121831, 0.589055, 0.545623],
				[0.121148, 0.592739, 0.544641],
				[0.120565, 0.596422, 0.543611],
				[0.120092, 0.600104, 0.542530],
				[0.119738, 0.603785, 0.541400],
				[0.119512, 0.607464, 0.540218],
				[0.119423, 0.611141, 0.538982],
				[0.119483, 0.614817, 0.537692],
				[0.119699, 0.618490, 0.536347],
				[0.120081, 0.622161, 0.534946],
				[0.120638, 0.625828, 0.533488],
				[0.121380, 0.629492, 0.531973],
				[0.122312, 0.633153, 0.530398],
				[0.123444, 0.636809, 0.528763],
				[0.124780, 0.640461, 0.527068],
				[0.126326, 0.644107, 0.525311],
				[0.128087, 0.647749, 0.523491],
				[0.130067, 0.651384, 0.521608],
				[0.132268, 0.655014, 0.519661],
				[0.134692, 0.658636, 0.517649],
				[0.137339, 0.662252, 0.515571],
				[0.140210, 0.665859, 0.513427],
				[0.143303, 0.669459, 0.511215],
				[0.146616, 0.673050, 0.508936],
				[0.150148, 0.676631, 0.506589],
				[0.153894, 0.680203, 0.504172],
				[0.157851, 0.683765, 0.501686],
				[0.162016, 0.687316, 0.499129],
				[0.166383, 0.690856, 0.496502],
				[0.170948, 0.694384, 0.493803],
				[0.175707, 0.697900, 0.491033],
				[0.180653, 0.701402, 0.488189],
				[0.185783, 0.704891, 0.485273],
				[0.191090, 0.708366, 0.482284],
				[0.196571, 0.711827, 0.479221],
				[0.202219, 0.715272, 0.476084],
				[0.208030, 0.718701, 0.472873],
				[0.214000, 0.722114, 0.469588],
				[0.220124, 0.725509, 0.466226],
				[0.226397, 0.728888, 0.462789],
				[0.232815, 0.732247, 0.459277],
				[0.239374, 0.735588, 0.455688],
				[0.246070, 0.738910, 0.452024],
				[0.252899, 0.742211, 0.448284],
				[0.259857, 0.745492, 0.444467],
				[0.266941, 0.748751, 0.440573],
				[0.274149, 0.751988, 0.436601],
				[0.281477, 0.755203, 0.432552],
				[0.288921, 0.758394, 0.428426],
				[0.296479, 0.761561, 0.424223],
				[0.304148, 0.764704, 0.419943],
				[0.311925, 0.767822, 0.415586],
				[0.319809, 0.770914, 0.411152],
				[0.327796, 0.773980, 0.406640],
				[0.335885, 0.777018, 0.402049],
				[0.344074, 0.780029, 0.397381],
				[0.352360, 0.783011, 0.392636],
				[0.360741, 0.785964, 0.387814],
				[0.369214, 0.788888, 0.382914],
				[0.377779, 0.791781, 0.377939],
				[0.386433, 0.794644, 0.372886],
				[0.395174, 0.797475, 0.367757],
				[0.404001, 0.800275, 0.362552],
				[0.412913, 0.803041, 0.357269],
				[0.421908, 0.805774, 0.351910],
				[0.430983, 0.808473, 0.346476],
				[0.440137, 0.811138, 0.340967],
				[0.449368, 0.813768, 0.335384],
				[0.458674, 0.816363, 0.329727],
				[0.468053, 0.818921, 0.323998],
				[0.477504, 0.821444, 0.318195],
				[0.487026, 0.823929, 0.312321],
				[0.496615, 0.826376, 0.306377],
				[0.506271, 0.828786, 0.300362],
				[0.515992, 0.831158, 0.294279],
				[0.525776, 0.833491, 0.288127],
				[0.535621, 0.835785, 0.281908],
				[0.545524, 0.838039, 0.275626],
				[0.555484, 0.840254, 0.269281],
				[0.565498, 0.842430, 0.262877],
				[0.575563, 0.844566, 0.256415],
				[0.585678, 0.846661, 0.249897],
				[0.595839, 0.848717, 0.243329],
				[0.606045, 0.850733, 0.236712],
				[0.616293, 0.852709, 0.230052],
				[0.626579, 0.854645, 0.223353],
				[0.636902, 0.856542, 0.216620],
				[0.647257, 0.858400, 0.209861],
				[0.657642, 0.860219, 0.203082],
				[0.668054, 0.861999, 0.196293],
				[0.678489, 0.863742, 0.189503],
				[0.688944, 0.865448, 0.182725],
				[0.699415, 0.867117, 0.175971],
				[0.709898, 0.868751, 0.169257],
				[0.720391, 0.870350, 0.162603],
				[0.730889, 0.871916, 0.156029],
				[0.741388, 0.873449, 0.149561],
				[0.751884, 0.874951, 0.143228],
				[0.762373, 0.876424, 0.137064],
				[0.772852, 0.877868, 0.131109],
				[0.783315, 0.879285, 0.125405],
				[0.793760, 0.880678, 0.120005],
				[0.804182, 0.882046, 0.114965],
				[0.814576, 0.883393, 0.110347],
				[0.824940, 0.884720, 0.106217],
				[0.835270, 0.886029, 0.102646],
				[0.845561, 0.887322, 0.099702],
				[0.855810, 0.888601, 0.097452],
				[0.866013, 0.889868, 0.095953],
				[0.876168, 0.891125, 0.095250],
				[0.886271, 0.892374, 0.095374],
				[0.896320, 0.893616, 0.096335],
				[0.906311, 0.894855, 0.098125],
				[0.916242, 0.896091, 0.100717],
				[0.926106, 0.897330, 0.104071],
				[0.935904, 0.898570, 0.108131],
				[0.945636, 0.899815, 0.112838],
				[0.955300, 0.901065, 0.118128],
				[0.964894, 0.902323, 0.123941],
				[0.974417, 0.903590, 0.130215],
				[0.983868, 0.904867, 0.136897],
				[0.993248, 0.906157, 0.143936]]
	return np.asarray(color_map)
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