Thomas Mansencal KelSolaar

## about_linear_workflow.ipynb

      
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                KelSolaar
                / about_linear_workflow.ipynb
            
            
              Created
              October 16, 2014 11:31
            
              
                About Linear Workflow
              
          
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## about_python_cython_numpy.ipynb

      
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                KelSolaar
                / about_python_cython_numpy.ipynb
            
            
              Last active
              August 29, 2015 14:07
            
              
                About Python, Cython & Numpy
              
          
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## Sony_F35_IDT_ramblings.nkp
set cut_paste_input [stack 0]
version 8.0 v1
Read {
 inputs 0
 file /Users/kelsolaar/Downloads/Pictures/SonyF35.StillLife.dpx
 format "1920 1080 0 0 1920 1080 1 HD"
 origset true
 version 2
 colorspace linear
 raw true

## M_i\cdot M = M_o.py
import numpy as np

np.random.seed(64)

M_i = np.random.random((3, 3))

M_o = np.random.random((3, 3))

# M . M_i = M_o
# M . M_i . M_i^{-1} = M_o . M_i^{-1}

## hue_change.py
from pprint import pprint

from colour import XYZ_to_CIECAM02, CIECAM02_VIEWING_CONDITIONS, sRGB_to_XYZ
from colour.models.deprecated import RGB_to_HSV

XYZ = np.array([19.01, 20.00, 21.78])
XYZ_w = np.array([95.05, 100.00, 108.88])
L_A = 318.31
Y_b = 20.0
surround = CIECAM02_VIEWING_CONDITIONS['Average']

## rgb_colourspace_whitepoint_change.ipynb

      
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                KelSolaar
                / rgb_colourspace_whitepoint_change.ipynb
            
            
              Last active
              August 29, 2015 14:17
            
              
                RGB Colourspace Whitepoint Change
              
          
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## rgb_colourspace_transformation_with_lut.nkp
set cut_paste_input [stack 0]
version 8.0 v1
CMSTestPattern {
 inputs 0
 name CMSTestPattern
 selected true
 xpos 180
 ypos -57
}
clone node11d373b60|Colorspace|60327 Colorspace {

## mmColorTarget.py
import numpy as np
import colour

name, data, illuminant = colour.COLOURCHECKERS['ColorChecker 2005']

for i, (name, colourspace) in enumerate(
        sorted(colour.RGB_COLOURSPACES.items())):
    if name in ('aces', 'adobe1998', 'prophoto'):
        continue

## plane_visual_box_visual_vispy.py
# !/usr/bin/env python
# -*- coding: utf-8 -*-
from __future__ import division

import sys

import numpy as np
from vispy import scene
from vispy.scene.visuals import create_visual_node
from vispy.visuals.mesh import MeshVisual

## rgb_luminance.py
# https://github.com/colour-science/colour/blob/develop/colour/models/derivation.py#L158

import colour

sRGB = colour.RGB_COLOURSPACES['sRGB']
colour.RGB_luminance_equation(sRGB.primaries, sRGB.whitepoint)

# u'Y = 0.212636821677(R) + 0.715182981841(G) + 0.0721801964814(B)'
	set cut_paste_input [stack 0]
	version 8.0 v1
	Read {
	inputs 0
	file /Users/kelsolaar/Downloads/Pictures/SonyF35.StillLife.dpx
	format "1920 1080 0 0 1920 1080 1 HD"
	origset true
	version 2
	colorspace linear
	raw true
	import numpy as np

	np.random.seed(64)

	M_i = np.random.random((3, 3))

	M_o = np.random.random((3, 3))

	# M . M_i = M_o
	# M . M_i . M_i^{-1} = M_o . M_i^{-1}
	from pprint import pprint

	from colour import XYZ_to_CIECAM02, CIECAM02_VIEWING_CONDITIONS, sRGB_to_XYZ
	from colour.models.deprecated import RGB_to_HSV

	XYZ = np.array([19.01, 20.00, 21.78])
	XYZ_w = np.array([95.05, 100.00, 108.88])
	L_A = 318.31
	Y_b = 20.0
	surround = CIECAM02_VIEWING_CONDITIONS['Average']
	set cut_paste_input [stack 0]
	version 8.0 v1
	CMSTestPattern {
	inputs 0
	name CMSTestPattern
	selected true
	xpos 180
	ypos -57
	}
	clone node11d373b60\|Colorspace\|60327 Colorspace {
	import numpy as np
	import colour

	name, data, illuminant = colour.COLOURCHECKERS['ColorChecker 2005']

	for i, (name, colourspace) in enumerate(
	sorted(colour.RGB_COLOURSPACES.items())):
	if name in ('aces', 'adobe1998', 'prophoto'):
	continue
	# !/usr/bin/env python
	# -- coding: utf-8 --
	from __future__ import division

	import sys

	import numpy as np
	from vispy import scene
	from vispy.scene.visuals import create_visual_node
	from vispy.visuals.mesh import MeshVisual
	# https://github.com/colour-science/colour/blob/develop/colour/models/derivation.py#L158

	import colour

	sRGB = colour.RGB_COLOURSPACES['sRGB']
	colour.RGB_luminance_equation(sRGB.primaries, sRGB.whitepoint)

	# u'Y = 0.212636821677(R) + 0.715182981841(G) + 0.0721801964814(B)'