public override object Evaluate(ICoordinate coordinate)
{
var featuresInRange = GeometryHelper.GetFeaturesInRange(coordinate, features.Cast <IFeature>(), EvaluateTolerance);
return(featuresInRange.Select(feature => (!IsTimeDependent) ? this[feature] : this[Time.MinValue, feature]));
}
public void BranchSegmentBoundaryAsFunctionArgument_TimeDependent()
{
// Test with 2 arguments. A FeatureVariable DateTime as timestep
// Add values to the store and test the retieved values
object defaultValue = default(float);
FeatureCoverage waterLevelCoverage = new FeatureCoverage("WaterLevel");
Variable <DateTime> timeArgument = new Variable <DateTime>("time");
waterLevelCoverage.Arguments.Add(timeArgument);
Variable <SimpleFeature> boundariesFunctionArgument = new Variable <SimpleFeature>("cell");
waterLevelCoverage.Arguments.Add(boundariesFunctionArgument);
waterLevelCoverage.Components.Add(new Variable <float>("depth"));
waterLevelCoverage.Features = new EventedList <IFeature>(boundaries.Cast <IFeature>());
waterLevelCoverage.FeatureVariable.SetValues(boundaries);
// no data added; we expect 0 rows in the table
IList <float> values = waterLevelCoverage.GetValues <float>();
Assert.AreEqual(0, values.Count);
// Add 1 value for a boundary. The store will add rows with default values for all
// boundaries in the network.BranchSegmentBoundaries collection and set
// the value 1.0 to the explicit referenced boundary11.
waterLevelCoverage[new DateTime(2000, 1, 1, 0, 0, 0), boundary11] = 1.0f;
values = waterLevelCoverage.GetValues <float>();
Assert.AreEqual(6, values.Count);
Assert.AreEqual(1.0, values[0]);
Assert.AreEqual(defaultValue, values[1]);
Assert.AreEqual(defaultValue, values[2]);
Assert.AreEqual(defaultValue, values[3]);
Assert.AreEqual(defaultValue, values[4]);
Assert.AreEqual(defaultValue, values[5]);
// Add a new timestep and set lavel for all boundaries for this step to 2.0
waterLevelCoverage.SetValues(new[] { 2.0f },
new VariableValueFilter <DateTime>(timeArgument, new DateTime(2000, 2, 1, 0, 0, 0)));
values = waterLevelCoverage.GetValues <float>();
Assert.AreEqual(12, values.Count);
// Overwrite the waterlevels of the first timestep to 1.0; there are no default values in the
// internal table
// content should be now:
// t=2000, 1, 1 1.0 1.0 1.0 1.0 1.0 1.0
// t=2000, 2, 1 2.0 2.0 2.0 2.0 2.0 2.0
waterLevelCoverage.SetValues(new[] { 1.0f },
new VariableValueFilter <DateTime>(timeArgument, new DateTime(2000, 1, 1, 0, 0, 0)));
values = waterLevelCoverage.GetValues <float>();
Assert.AreEqual(12, values.Count);
// Overwrite the waterlevels of the 2nd timestep.
// content should be now:
// t=2000, 1, 1 1.0 1.0 1.0 1.0 1.0 1.0
// t=2000, 2, 1 1.0 2.0 3.0 4.0 5.0 6.0
waterLevelCoverage.SetValues(new[] { 1.0f, 2.0f, 3.0f, 4.0f, 5.0f, 6.0f },
new VariableValueFilter <DateTime>(timeArgument, new DateTime(2000, 2, 1, 0, 0, 0)));
values = waterLevelCoverage.GetValues <float>();
Assert.AreEqual(12, values.Count);
// Add a 3rd timestep to the function.
// content should be now:
// t=2000, 1, 1 1.0 1.0 1.0 1.0 1.0 1.0
// t=2000, 2, 1 1.0 2.0 3.0 4.0 5.0 6.0
// t=2000, 3, 1 11.0 12.0 13.0 14.0 15.0 16.0
waterLevelCoverage.SetValues(new[] { 11.0f, 12.0f, 13.0f, 14.0f, 15.0f, 16.0f },
new VariableValueFilter <DateTime>(timeArgument, new DateTime(2000, 3, 1, 0, 0, 0)));
values = waterLevelCoverage.GetValues <float>();
Assert.AreEqual(18, values.Count);
// Ask all timesteps for boundary 21
values = waterLevelCoverage.GetValues <float>(new VariableValueFilter <SimpleFeature>(boundariesFunctionArgument, boundary21));
Assert.AreEqual(3, values.Count);
Assert.AreEqual(1.0, values[0]);
Assert.AreEqual(4.0, values[1]);
Assert.AreEqual(14.0, values[2]);
// Use 2 filters to get values; multiple filters work as a logical AND; only 1 values expected
values = waterLevelCoverage.GetValues <float>(new VariableValueFilter <SimpleFeature>(boundariesFunctionArgument, boundary21),
new VariableValueFilter <DateTime>(timeArgument, new DateTime(2000, 2, 1, 0, 0, 0)));
Assert.AreEqual(1, values.Count);
Assert.AreEqual(4.0, values[0]);
}