/// <summary>
/// Called when the "Import" button is clicked
/// </summary>
private void OnWizardCreate()
{
GameObject parentGameObject = new GameObject();
parentGameObject.name = this.ParentName;
try
{
FeatureCollection features = GeoJSONObject.Deserialize(this.GeoJSONSource.text);
MapBounds bounds = features.bbox;
bounds.ProjectToWebMercator();
bounds.SetScale(this.HorizontalScale);
this.UpdateCameraParameters(bounds.Center.ToVector3(), this.HorizontalScale, this.VerticalScale);
foreach (FeatureObject ftr in features.features)
{
MapFeature feature = new MapFeature(ftr.properties[this.ObjectIDFieldName]);
List <Vertex> vertices = ftr.geometry.AllPositions().ConvertAll((v) => new Vertex(v.latitude, v.longitude, 0.0));
feature.SetAttributes(ftr.properties);
feature.SetGeometry(EnumGeometryType.Polygon, vertices);
if (feature.Geometry.IsEmpty)
{
continue;
}
feature.Geometry.ProjectToWebMercator();
feature.Geometry.SetScale(this.HorizontalScale);
Vector3 cityOrigin = feature.Geometry.GetCentroid();
GameObject go = feature.ToGameObject();
go.transform.position = cityOrigin - bounds.Center.ToVector3();
go.transform.parent = parentGameObject.transform;
Material material = new Material(Shader.Find("Standard"));
material.color = Color.gray;// UnityEngine.Random.ColorHSV();
go.GetComponent <Renderer>().material = material;
if (this.Extrude)
{
float height = feature.Attributes.Get <float>(this.ExtrudeField);
if (height > 0)
{
height = height * this.ExtrudeFactor;
MeshExtrusion.Extrude(go, height, this.InvertFaces);
}
}
}
}
catch (Exception ex)
{
Debug.Log(ex);
}
}
/// <summary>
/// Reads GML data
/// </summary>
/// <param name="rootElement">Root document element of the GML file</param>
private void parseGMLDocument(string rootElementName, XmlElement rootElement)
{
try
{
#region READ FEATURES BOUNDS
XmlNode bounds = rootElement.SelectSingleNode("/ogr:FeatureCollection/gml:boundedBy/gml:Envelope", GMLNamespaces);
string lowerLeftCoordinates = bounds.SelectSingleNode("gml:lowerCorner", GMLNamespaces).ChildNodes[0].Value;
string upperRightCoordinates = bounds.SelectSingleNode("gml:upperCorner", GMLNamespaces).ChildNodes[0].Value;
this.Bounds = new MapBounds(new Vertex(lowerLeftCoordinates), new Vertex(upperRightCoordinates));
#endregion
#region READ FEATURES
this.Features = new List <MapFeature>();
XmlNodeList featureNodes = rootElement.SelectNodes("/ogr:FeatureCollection/ogr:featureMember/ogr:" + rootElementName, GMLNamespaces);
foreach (XmlNode featureNode in featureNodes)
{
string fid = featureNode.SelectSingleNode("ogr:osm_id", GMLNamespaces).ChildNodes[0].Value;
int dimension = this.GetAttribute <int>("srsDimension", featureNode.SelectSingleNode("ogr:geometryProperty/gml:Polygon/gml:exterior/gml:LinearRing/gml:posList", GMLNamespaces).Attributes);
string geometry = featureNode.SelectSingleNode("ogr:geometryProperty/gml:Polygon/gml:exterior/gml:LinearRing/gml:posList", GMLNamespaces).ChildNodes[0].Value;
List <Vertex> verticesList = new List <Vertex>();
string[] vertices = geometry.Split(new char[] { ' ' });
switch (dimension)
{
// X Y Z
case 3:
{
for (int i = 0; i < vertices.Length - 3; i = i + 3)
{
verticesList.Add(new Vertex(String.Format("{0} {1} {2}", vertices[i], vertices[i + 1], vertices[i + 2])));
}
break;
}
// X Y
case 2:
{
for (int i = 0; i < vertices.Length - 2; i = i + 2)
{
verticesList.Add(new Vertex(String.Format("{0} {1}", vertices[i], vertices[i + 1])));
}
break;
}
default: break;
}
MapFeature feature = new MapFeature(fid);
feature.SetGeometry(EnumGeometryType.Polygon, verticesList);
this.Features.Add(feature);
}
#endregion
}
catch
{
}
}
