public void CompareInterpolatedLrtfValueWithOriginalOnes()
{
ComplexLens lens = ComplexLens.CreateDoubleGaussLens(Materials.Fixed.AIR, 4.0);
LensRayTransferFunction lrtf = new LensRayTransferFunction(lens);
int sampleCount = 128;
string filename = string.Format(@"data\lrtf_double_gauss_{0}.bin", sampleCount);
var table = lrtf.SampleLrtf3DCached(sampleCount, filename);
Random random = new Random();
for (int i = 0; i < 1000; i++)
{
var incomingParams = new LensRayTransferFunction.Parameters(
random.NextDouble(), random.NextDouble(),
random.NextDouble(), random.NextDouble()
);
var outgoingParamsOriginal = lrtf.ComputeLrtf(incomingParams).ToVector4d();
var outgoingParamsInterpolated = table.EvaluateLrtf3D(incomingParams).ToVector4d();
//AssertEqualVector4d(outgoingParamsOriginal, outgoingParamsInterpolated);
}
}
public void CompareEvaluationTime()
{
ComplexLens lens = ComplexLens.CreateDoubleGaussLens(Materials.Fixed.AIR, 4.0);
LensRayTransferFunction lrtf = new LensRayTransferFunction(lens);
int sampleCount = 128;
Console.WriteLine("LRTF table size: {0}x{0}x{0}", sampleCount);
string filename = string.Format(@"data\lrtf_double_gauss_{0}.bin", sampleCount);
var table = lrtf.SampleLrtf3DCached(sampleCount, filename);
int valueCount = 1000000;
Console.WriteLine("Number of values to evaluate: {0}", valueCount);
Random random = new Random();
var inParams = new List<LensRayTransferFunction.Parameters>();
for (int i = 0; i < valueCount; i++)
{
inParams.Add(new LensRayTransferFunction.Parameters(
random.NextDouble(), random.NextDouble(),
random.NextDouble(), random.NextDouble()
));
}
Stopwatch stopwatch = Stopwatch.StartNew();
foreach (var inParam in inParams)
{
lrtf.ComputeLrtf(inParam);
}
stopwatch.Stop();
Console.WriteLine("Ray tracing: {0} ms", stopwatch.ElapsedMilliseconds);
stopwatch.Reset();
stopwatch.Start();
foreach (var inParam in inParams)
{
table.EvaluateLrtf3D(inParam);
}
stopwatch.Stop();
Console.WriteLine("LRTF table interpolation: {0} ms", stopwatch.ElapsedMilliseconds);
}
public void ComputeLrtfForRandomInput()
{
ComplexLens lens = ComplexLens.CreateDoubleGaussLens(Materials.Fixed.AIR, 4.0);
LensRayTransferFunction lrtf = new LensRayTransferFunction(lens);
Random random = new Random();
for (int i = 0; i < 1000; i++)
{
var incomingParams = new LensRayTransferFunction.Parameters(
random.NextDouble(), random.NextDouble(),
random.NextDouble(), random.NextDouble()
);
LensRayTransferFunction.Parameters outgoingParams = lrtf.ComputeLrtf(incomingParams);
if (outgoingParams != null)
{
if (outgoingParams.DirectionTheta < 0 || outgoingParams.DirectionTheta > 1 ||
outgoingParams.DirectionPhi < 0 || outgoingParams.DirectionPhi > 1 ||
outgoingParams.PositionTheta < 0 || outgoingParams.PositionTheta > 1 ||
outgoingParams.PositionPhi < 0 || outgoingParams.PositionPhi > 1)
{
Console.WriteLine("Warning: parameter outside [0; 1] interval.");
Console.WriteLine("incoming: {0}", incomingParams);
Console.WriteLine("outgoing: {0}", outgoingParams);
Console.WriteLine();
}
//Assert.InRange(outgoingParams.DirectionTheta, 0.0, 1.0);
//Assert.InRange(outgoingParams.DirectionPhi, 0.0, 1.0);
//Assert.InRange(outgoingParams.PositionTheta, 0.0, 1.0);
//Assert.InRange(outgoingParams.PositionPhi, 0.0, 1.0);
}
}
}
public void ComputeLrtf()
{
ComplexLens lens = ComplexLens.CreateDoubleGaussLens(Materials.Fixed.AIR, 4.0);
LensRayTransferFunction lrtf = new LensRayTransferFunction(lens);
var incomingParams = new LensRayTransferFunction.Parameters(0.5, 0.5, 0.7000000000000004, 0.0);
LensRayTransferFunction.Parameters outgoingParams = lrtf.ComputeLrtf(incomingParams);
Console.WriteLine("IN: {0}", incomingParams);
Console.WriteLine("OUT: {0}", outgoingParams);
if (outgoingParams != null)
{
Console.WriteLine(" {0}", lens.ConvertParametersToFrontSurfaceRay(outgoingParams));
}
}
public void ComputeLrtfResultInCorrectInterval()
{
ComplexLens lens = ComplexLens.CreateDoubleGaussLens(Materials.Fixed.AIR, 4.0);
LensRayTransferFunction lrtf = new LensRayTransferFunction(lens);
var incomingParams = new LensRayTransferFunction.Parameters(0.835057026164167, 0.375245163857585, 0.854223355117358, 0.000161428470239708);
LensRayTransferFunction.Parameters outgoingParams = lrtf.ComputeLrtf(incomingParams);
Console.WriteLine(outgoingParams);
}
