public void TestAsArgument()
        {
            IVariable<IFeatureLocation> a = new Variable<IFeatureLocation>("argument");
            IVariable<double> c1 = new Variable<double>("value");
            IVariable<string> c2 = new Variable<string>("description");

            // f = (a, p)(h)
            IFunction f = new Function("rating curve");
            f.Arguments.Add(a);
            f.Components.Add(c1);
            f.Components.Add(c2);

            SimpleFeature simpleFeature = new SimpleFeature(10.0);
            IFeatureLocation featureLocation = new FeatureLocation { Feature = simpleFeature };

            // value based argument referencing.
            f[featureLocation] = new object[] { 1.0, "jemig de pemig" };

            IMultiDimensionalArray<double> c1Value = f.GetValues<double>(new ComponentFilter(f.Components[0]),
                                                                         new VariableValueFilter<IFeatureLocation>(
                                                                             f.Arguments[0],
                                                                             new FeatureLocation
                                                                                 {Feature = simpleFeature}));

            Assert.AreEqual(1.0, c1Value[0], 1.0e-6);

            //IMultiDimensionalArray<string> c2Value = f.GetValues<string>(new ComponentFilter(f.Components[1]),
            //                                                             new VariableValueFilter<IFeatureLocation>(
            //                                                                 f.Arguments[0], featureLocation));

            //Assert.AreEqual("jemig de pemig", c2Value[0]);
        }
        public override object Clone()
        {
            FeatureLocation newFeatureLocation = (FeatureLocation)Activator.CreateInstance(GetType());

            newFeatureLocation.Length   = Length;
            newFeatureLocation.Offset   = Offset;
            newFeatureLocation.Geometry = Geometry == null ? null : ((IGeometry)Geometry.Clone());
            newFeatureLocation.Name     = Name;
            //do it here?
            //newBranchFeature.attributes = (IFeatureAttributeCollection) Attributes.Clone();
            return(newFeatureLocation);
        }