public void GetCentroidForCoordinates_ShouldReturnCentroidForLineString_WhenCoordinatesAreLineString()
{
// Arrange
var jsonData = GetGeoJson();
var featureCollection = FeatureCollectionLoader.LoadFeatureCollectionFromGeoJsonString(jsonData);
var coordinates = FeatureCollectionHelper.GetPointCoordinatesFromFeatureCollection(featureCollection).ToArray();
var expectedCentroidLineString = new Coordinate(12.480333076209453, 41.904384802740324);
const double tolerance = 0.00001;
// Act
var resultCentroid = CentroidHelper.GetCentroidForCoordinates(coordinates);
// Assert
_output.WriteLine($"centroid for line string: {resultCentroid}");
Assert.True(expectedCentroidLineString.Equals2D(resultCentroid.Coordinate, tolerance));
}
public void GetCentroidForCoordinates_ShouldReturnCentroidForPolygon_WhenForcePolygonIsTrue()
{
// Arrange
var jsonData = GetGeoJson();
var featureCollection = FeatureCollectionLoader.LoadFeatureCollectionFromGeoJsonString(jsonData);
var coordinates = FeatureCollectionHelper.GetPointCoordinatesFromFeatureCollection(featureCollection).ToArray();
var expectedCentroidForPolygon = new Coordinate(12.495307072902103, 41.914354766677732);
const double tolerance = 0.00001;
const bool forcePolygon = true;
// Act
var resultCentroid = CentroidHelper.GetCentroidForCoordinates(coordinates, forcePolygon);
// Assert
_output.WriteLine($"centroid for polygon: {resultCentroid}");
Assert.True(expectedCentroidForPolygon.Equals2D(resultCentroid.Coordinate, tolerance));
}