public PointCloudVertices AlignPointClouds_OneVector(PointCloudVertices pointCloudSource, PointCloudVertices pointCloudTarget, int vectorNumberSource, int vectorNumberTarget)
{
//-------------------
pointCloudSourceCentered = CalculatePCA_Internal(pointCloudSource);
//second object:
//-----------
pointCloudTargetCentered = CalculatePCA_Internal(pointCloudTarget);
//Vector3d v = TargetPCVectors[vectorNumberTarget];
//v.X = -v.X;
//v.Y = -v.Y;
//v.Z = -v.Z;
//TargetPCVectors[vectorNumberTarget] = v;
Matrix3d R = new Matrix3d();
//R = R.RotationOneVectorToAnother(TargetPCVectors[vectorNumber], SourcePCVectors[vectorNumber]);
R = R.RotationOneVertexToAnother(pointCloudSource.PCAAxes[vectorNumberSource], pointCloudTarget.PCAAxes[vectorNumberTarget]);
//R.CheckRotationMatrix();
//
//test:
//Vector3d testV = R.MultiplyVector(sourceV);
PointCloudVertices pointCloudResult = PointCloudVertices.CopyVertices(pointCloudSource);
PointCloudVertices.SubtractVectorRef(pointCloudResult, pointCloudSource.CentroidVector);
PointCloudVertices.Rotate(pointCloudResult, R);
PointCloudVertices.AddVector(pointCloudResult, pointCloudTarget.CentroidVector);
pointCloudResultCentered = CalculatePCA_Internal(pointCloudResult);
MeanDistance = PointCloudVertices.MeanDistance(pointCloudResult, pointCloudTarget);
System.Diagnostics.Debug.WriteLine("-->> PCA (V) - Mean Distance : " + MeanDistance.ToString("0.000000"));
return(pointCloudResult);
}