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colour_science_spd_to_xyz_to_srgb_conversion.py

python

This quickstart demonstrates how to create a spectral power distribution, convert

15d ago16 linescolour.readthedocs.io
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colour_science_spd_to_xyz_to_srgb_conversion.py
1import colour
2
3# 1. Objects representation: Creating a Spectral Power Distribution
4# We can use one of the many built-in datasets
5data = colour.SDS_ILLUMINANTS['D65']
6
7# 2. Colorimetric calculations: Converting Spectral Power Distribution to XYZ
8# We use the CIE 1931 2 Degree Standard Observer
9xyz = colour.sd_to_XYZ(data)
10
11# 3. Colorspace conversions: Converting XYZ to sRGB
12# This performs the transformation from the XYZ tristimulus values to sRGB
13srgb = colour.XYZ_to_sRGB(xyz / 100)
14
15print(f"XYZ Tristimulus Values: {xyz}")
16print(f"sRGB Values: {srgb}")