private static void AssertComposedLut(IComposableLut[] luts, ComposedLut composedLut, LutValueRange lutRange)
{
Assert.AreEqual(lutRange.MinInputValue, composedLut.MinInputValue, "MinInputValue");
Assert.AreEqual(lutRange.MaxInputValue, composedLut.MaxInputValue, "MaxInputValue");
Assert.AreEqual(lutRange.MinOutputValue, composedLut.MinOutputValue, "MinOutputValue");
Assert.AreEqual(lutRange.MaxOutputValue, composedLut.MaxOutputValue, "MaxOutputValue");
var data = composedLut.Data;
Assert.IsNotNull(data, "Data");
var lutCount = luts.Length;
for (var i = -65536; i < 65535; ++i)
{
double value = i;
for (var j = 0; j < lutCount; ++j)
{
value = luts[j][value];
}
var expectedValue = (int)Math.Round(value);
Assert.AreEqual(expectedValue, composedLut[i], "LUT @{0}", i);
if (i >= lutRange.MinInputValue && i <= lutRange.MaxInputValue)
{
Assert.AreEqual(expectedValue, data[i - lutRange.MinInputValue], "Data @{0} (Value {1})", i - lutRange.MinInputValue, i);
}
}
}
public void TestClassic13Bit()
{
const bool isSigned = false;
const int bitsStored = 13;
var luts = new IComposableLut[]
{
new ModalityLutLinear(bitsStored, isSigned, 2.15, -100),
new BasicVoiLutLinear(4963, 6920)
};
var lutRange = SyncMinMaxValues(luts, bitsStored, isSigned);
var composedLut = new ComposedLut(luts);
AssertComposedLut(luts, composedLut, lutRange);
}
public void TestClassic16BitSigned()
{
const bool isSigned = true;
const int bitsStored = 16;
var luts = new IComposableLut[]
{
new ModalityLutLinear(bitsStored, isSigned, 1.15, -100.80),
new BasicVoiLutLinear(16794, 0)
};
var lutRange = SyncMinMaxValues(luts, bitsStored, isSigned);
var composedLut = new ComposedLut(luts);
AssertComposedLut(luts, composedLut, lutRange);
}
public void TestClassic13BitSigned()
{
const bool isSigned = true;
const int bitsStored = 13;
var luts = new IComposableLut[]
{
new ModalityLutLinear(bitsStored, isSigned, 2.15, -100),
new BasicVoiLutLinear(4963, 0)
};
var lutRange = SyncMinMaxValues(luts, bitsStored, isSigned);
var composedLut = new ComposedLut(luts);
AssertComposedLut(luts, composedLut, lutRange);
}
public void TestClassic16Bit()
{
const bool isSigned = false;
const int bitsStored = 16;
var luts = new IComposableLut[]
{
new ModalityLutLinear(bitsStored, isSigned, 1.15, -100.80),
new BasicVoiLutLinear(16794, 6920)
};
var lutRange = SyncMinMaxValues(luts, bitsStored, isSigned);
var composedLut = new ComposedLut(luts);
AssertComposedLut(luts, composedLut, lutRange);
}
public void Test16BitDisplay16BitSigned()
{
const bool isSigned = true;
const int bitsStored = 16;
var luts = new IComposableLut[]
{
new ModalityLutLinear(bitsStored, isSigned, 1.0145, 32767),
new BasicVoiLutLinear(32743, 35314),
new PresentationLutLinear(0, 65535)
};
var lutRange = SyncMinMaxValues(luts, bitsStored, isSigned);
var composedLut = new ComposedLut(luts);
AssertComposedLut(luts, composedLut, lutRange);
}
public void TestSubnormal15BitSigned()
{
const bool isSigned = true;
const int bitsStored = 15;
const double rescaleSlope = 0.000000153412;
const double rescaleIntercept = 0;
var luts = new IComposableLut[]
{
new ModalityLutLinear(bitsStored, isSigned, rescaleSlope, rescaleIntercept),
new NormalizationLutLinear(rescaleSlope, rescaleIntercept),
new BasicVoiLutLinear(12453, 6742)
};
var lutRange = SyncMinMaxValues(luts, bitsStored, isSigned);
var composedLut = new ComposedLut(luts);
AssertComposedLut(luts, composedLut, lutRange);
}
private static void AssertComposedLut(IComposableLut[] luts, ComposedLut composedLut, LutValueRange lutRange)
{
Assert.AreEqual(lutRange.MinInputValue, composedLut.MinInputValue, "MinInputValue");
Assert.AreEqual(lutRange.MaxInputValue, composedLut.MaxInputValue, "MaxInputValue");
Assert.AreEqual(lutRange.MinOutputValue, composedLut.MinOutputValue, "MinOutputValue");
Assert.AreEqual(lutRange.MaxOutputValue, composedLut.MaxOutputValue, "MaxOutputValue");
var data = composedLut.Data;
Assert.IsNotNull(data, "Data");
var lutCount = luts.Length;
for (var i = -65536; i < 65535; ++i)
{
double value = i;
for (var j = 0; j < lutCount; ++j)
value = luts[j][value];
var expectedValue = (int) Math.Round(value);
Assert.AreEqual(expectedValue, composedLut[i], "LUT @{0}", i);
if (i >= lutRange.MinInputValue && i <= lutRange.MaxInputValue)
{
Assert.AreEqual(expectedValue, data[i - lutRange.MinInputValue], "Data @{0} (Value {1})", i - lutRange.MinInputValue, i);
}
}
}
public void Test16BitDisplay16BitSigned()
{
const bool isSigned = true;
const int bitsStored = 16;
var luts = new IComposableLut[]
{
new ModalityLutLinear(bitsStored, isSigned, 1.0145, 32767),
new BasicVoiLutLinear(32743, 35314),
new PresentationLutLinear(0, 65535)
};
var lutRange = SyncMinMaxValues(luts, bitsStored, isSigned);
var composedLut = new ComposedLut(luts);
AssertComposedLut(luts, composedLut, lutRange);
}
public void TestSubnormal15BitSigned()
{
const bool isSigned = true;
const int bitsStored = 15;
const double rescaleSlope = 0.000000153412;
const double rescaleIntercept = 0;
var luts = new IComposableLut[]
{
new ModalityLutLinear(bitsStored, isSigned, rescaleSlope, rescaleIntercept),
new NormalizationLutLinear(rescaleSlope, rescaleIntercept),
new BasicVoiLutLinear(12453, 6742)
};
var lutRange = SyncMinMaxValues(luts, bitsStored, isSigned);
var composedLut = new ComposedLut(luts);
AssertComposedLut(luts, composedLut, lutRange);
}