public override IDictionary <string, object> Write(ISpatial value)
{
GeoJsonObjectWriter writer = new GeoJsonObjectWriter();
value.SendTo(new ForwardingSegment((SpatialPipeline)writer));
return(writer.JsonObject);
}
public void GeoJsonSimpleRoundTripTest()
{
var position = new GeographyPosition(12, 34, -12, -34);
var coordinateSystem = CoordinateSystem.Geography(54321);
var writer = new GeoJsonObjectWriter();
GeographyPipeline pipeline = (SpatialPipeline)writer;
pipeline.SetCoordinateSystem(coordinateSystem);
pipeline.BeginGeography(SpatialType.Point);
pipeline.BeginFigure(position);
pipeline.EndFigure();
pipeline.EndGeography();
var actualPipeline = new CallSequenceLoggingPipeline();
var reader = new GeoJsonObjectReader(actualPipeline);
reader.ReadGeography(writer.JsonObject);
var expectedPipeline = new CallSequenceLoggingPipeline();
// TODO: move the set of calls back into a delegate if the APIs come back together
expectedPipeline.GeographyPipeline.SetCoordinateSystem(coordinateSystem);
expectedPipeline.GeographyPipeline.BeginGeography(SpatialType.Point);
expectedPipeline.GeographyPipeline.BeginFigure(position);
expectedPipeline.GeographyPipeline.EndFigure();
expectedPipeline.GeographyPipeline.EndGeography();
actualPipeline.Verify(expectedPipeline);
}
private static void WriteGeoJsonTest(Action<TypeWashedPipeline> pipelineCalls, IDictionary<String, Object> expectedJsonObject, bool isGeometry, CoordinateSystem crs)
{
var w = new GeoJsonObjectWriter();
TypeWashedPipeline p = isGeometry ?
(TypeWashedPipeline)new TypeWashedToGeographyLongLatPipeline(new ForwardingSegment(w))
: new TypeWashedToGeometryPipeline(new ForwardingSegment(w));
p.SetCoordinateSystem(crs.EpsgId.Value);
pipelineCalls(p);
var actualObject = w.JsonObject;
AddCoordinateSystem(expectedJsonObject, crs);
AssertJsonObjectEquals(expectedJsonObject, actualObject);
}