public void ChromaticityFromCCT_WikipediaData(double expectedX, double expectedY, double cct)
{
// action
var chromaticity = CCTConverter.GetChromaticityOfCCT(in cct);
// assert
var deltaComparer = new DoubleDeltaComparer(delta: 0.02);
Assert.Equal(expectedX, chromaticity.x, deltaComparer);
Assert.Equal(expectedY, chromaticity.y, deltaComparer);
}
public void CCTFromChromaticity_LindbloomData(double x, double y, double expectedCCT)
{
// arrange
var chromaticity = new xyChromaticity(in x, in y);
// action
var cct = CCTConverter.GetCCTOfChromaticity(in chromaticity);
// assert
Debug.WriteLine($"CCT {cct} K (difference {Math.Abs(expectedCCT - cct)} K)");
var deltaComparer = new DoubleDeltaComparer(delta: 624); // uses a different method (Robertsons) => very big differences
Assert.Equal(expectedCCT, cct, deltaComparer);
}
public void CCTFromChromaticity_WikipediaData(double x, double y, double expectedCCT)
{
// arrange
var chromaticity = new xyChromaticity(in x, in y);
// action
var cct = CCTConverter.GetCCTOfChromaticity(in chromaticity);
// assert
Debug.WriteLine($"CCT {cct} K (difference {Math.Abs(expectedCCT - cct)} K)");
var deltaComparer = new DoubleDeltaComparer(delta: 66);
Assert.Equal(expectedCCT, cct, deltaComparer);
}
public void ChromaticityFromCCT(double expectedX, double expectedY, double cct)
{
// arrange
var approximation = new CCTConverter();
// action
xyChromaticityCoordinates chromaticity = approximation.GetChromaticityOfCCT(cct);
// assert
var deltaComparer = new DoubleDeltaComparer(0.02);
Assert.That(chromaticity.x, Is.EqualTo(expectedX).Using(deltaComparer));
Assert.That(chromaticity.y, Is.EqualTo(expectedY).Using(deltaComparer));
}
