public MapData ExecuteForwardSolver() // todo: simplify method calls to ComputationFactory, as with Forward/InverseSolver(s)
{
var opticalProperties = GetOpticalProperties(); // could be OpticalProperties[] or IOpticalPropertyRegion[][]
//double[] rhos = RhoRangeVM.Values.Reverse().Concat(RhoRangeVM.Values).ToArray();
double[] rhos = RhoRangeVM.Values.Reverse().Select(rho => - rho).Concat(RhoRangeVM.Values).ToArray();
double[] zs = ZRangeVM.Values.ToArray();
double[][] independentValues = new[] { rhos, zs };
var sd = GetSelectedSolutionDomain();
// todo: too much thinking at the VM layer?
double[] constantValues = new double[0];
if (ComputationFactory.IsSolverWithConstantValues(sd.SelectedValue))
{
switch (sd.SelectedValue)
{
case FluenceSolutionDomainType.FluenceOfRhoAndZAndFt:
constantValues = new[] { TimeModulationFrequency };
break;
default:
constantValues = new[] { sd.ConstantAxesVMs[0].AxisValue };
break;
}
}
IndependentVariableAxis[] independentAxes =
GetIndependentVariableAxesInOrder(
sd.IndependentVariableAxisOptionVM.SelectedValue,
IndependentVariableAxis.Z);
double[] results = null;
if (ComputationFactory.IsComplexSolver(sd.SelectedValue))
{
Complex[] fluence;
if (IsMultiRegion)
{
fluence =
ComputationFactory.ComputeFluenceComplex(
ForwardSolverTypeOptionVM.SelectedValue,
sd.SelectedValue,
independentAxes,
independentValues,
((IOpticalPropertyRegion[][])opticalProperties)[0],
constantValues);
}
else
{
fluence =
ComputationFactory.ComputeFluenceComplex(
ForwardSolverTypeOptionVM.SelectedValue,
sd.SelectedValue,
independentAxes,
independentValues,
((OpticalProperties[])opticalProperties)[0],
constantValues);
}
switch (MapTypeOptionVM.SelectedValue)
{
case MapType.Fluence:
results = fluence.Select(f => f.Magnitude).ToArray();
break;
case MapType.AbsorbedEnergy:
results = ComputationFactory.GetAbsorbedEnergy(fluence, ((OpticalProperties[])opticalProperties)[0].Mua).Select(a => a.Magnitude).ToArray(); // todo: is this correct?? DC 12/08/12
break;
case MapType.PhotonHittingDensity:
switch (PhotonHittingDensitySolutionDomainTypeOptionVM.SelectedValue)
{
case FluenceSolutionDomainType.FluenceOfRhoAndZAndFt:
results = ComputationFactory.GetPHD(
ForwardSolverTypeOptionVM.SelectedValue,
fluence.ToArray(),
SourceDetectorSeparation,
TimeModulationFrequency,
(OpticalProperties[])opticalProperties,
independentValues[0],
independentValues[1]).ToArray();
break;
case FluenceSolutionDomainType.FluenceOfFxAndZAndFt:
break;
default:
throw new ArgumentOutOfRangeException("FluenceSolutionDomainType");
}
break;
default:
throw new ArgumentOutOfRangeException("MapType");
}
}
else
{
double[] fluence;
if (IsMultiRegion)
{
fluence = ComputationFactory.ComputeFluence(
ForwardSolverTypeOptionVM.SelectedValue,
sd.SelectedValue,
independentAxes,
independentValues,
((IOpticalPropertyRegion[][])opticalProperties)[0],
constantValues).ToArray();
}
else
{
fluence = ComputationFactory.ComputeFluence(
ForwardSolverTypeOptionVM.SelectedValue,
sd.SelectedValue,
independentAxes,
independentValues,
(OpticalProperties[])opticalProperties,
constantValues).ToArray();
}
switch (MapTypeOptionVM.SelectedValue)
{
case MapType.Fluence:
results = fluence;
break;
case MapType.AbsorbedEnergy:
if (IsMultiRegion)
{
if (ForwardSolver is TwoLayerSDAForwardSolver)
{
var regions = ((MultiRegionTissueViewModel)TissueInputVM).GetTissueInput().Regions
.Select(region => (ILayerOpticalPropertyRegion)region).ToArray();
var muas = getRhoZMuaArrayFromLayerRegions(regions, rhos, zs);
results = ComputationFactory.GetAbsorbedEnergy(fluence, muas).ToArray();
}
else
{
return(null);
}
}
else
{
// Note: the line below was originally overwriting the multi-region results. I think this was a bug (DJC 7/11/14)
results = ComputationFactory.GetAbsorbedEnergy(fluence, ((OpticalProperties[])opticalProperties)[0].Mua).ToArray();
}
break;
case MapType.PhotonHittingDensity:
switch (PhotonHittingDensitySolutionDomainTypeOptionVM.SelectedValue)
{
case FluenceSolutionDomainType.FluenceOfRhoAndZ:
if (IsMultiRegion)
{
var nop = (IOpticalPropertyRegion[][])opticalProperties;
results = ComputationFactory.GetPHD(
ForwardSolverTypeOptionVM.SelectedValue,
fluence,
SourceDetectorSeparation,
(from LayerTissueRegion tissue in nop[0] select tissue.RegionOP).ToArray(),
independentValues[0],
independentValues[1]).ToArray();
}
else
{
results = ComputationFactory.GetPHD(
ForwardSolverTypeOptionVM.SelectedValue,
fluence,
SourceDetectorSeparation,
(OpticalProperties[])opticalProperties,
independentValues[0],
independentValues[1]).ToArray();
}
break;
case FluenceSolutionDomainType.FluenceOfFxAndZ:
break;
case FluenceSolutionDomainType.FluenceOfRhoAndZAndTime:
break;
case FluenceSolutionDomainType.FluenceOfFxAndZAndTime:
break;
default:
throw new ArgumentOutOfRangeException("PhotonHittingDensitySolutionDomainTypeOptionVM.SelectedValue");
}
break;
default:
throw new ArgumentOutOfRangeException("MapTypeOptionVM.SelectedValue");
}
}
// flip the array (since it goes over zs and then rhos, while map wants rhos and then zs
double[] destinationArray = new double[results.Length];
long index = 0;
for (int rhoi = 0; rhoi < rhos.Length; rhoi++)
{
for (int zi = 0; zi < zs.Length; zi++)
{
destinationArray[rhoi + rhos.Length * zi] = results[index++];
}
}
var dRho = 1D;
var dZ = 1D;
var dRhos = Enumerable.Select(rhos, rho => 2 * Math.PI * Math.Abs(rho) * dRho).ToArray();
var dZs = Enumerable.Select(zs, z => dZ).ToArray();
//var twoRhos = Enumerable.Concat(rhos.Reverse(), rhos).ToArray();
//var twoDRhos = Enumerable.Concat(dRhos.Reverse(), dRhos).ToArray();
return(new MapData(destinationArray, rhos, zs, dRhos, dZs));
}