public Retail(OSMObject _w, float _x, float _y, GameObject _obj)
{
w = _w;
city = w.tags.addrcity;
street = w.tags.addrstreet;
x = _x;
y = _y;
o = _obj;
}
/// <summary>
/// Writes OSMObject tags to the output
/// </summary>
/// <param name="item">OSMObject thats tags to be written to the output.</param>
protected void WriteOSMObjectTags(OSMObject item)
{
foreach (OSMTag tag in item.Tags)
{
_xmlWriter.WriteStartElement("tag");
_xmlWriter.WriteAttributeString("k", tag.Key);
_xmlWriter.WriteAttributeString("v", tag.Value);
_xmlWriter.WriteEndElement();
}
}
// Start is called before the first frame update
void Start()
{
Dictionary <int, OSMObject> elements;
Dictionary <int, OSMObject> townElements;
Dictionary <string, Town> towns = new Dictionary <string, Town> ();
Dictionary <string, List <Retail> > retailAreas = new Dictionary <string, List <Retail> > ();
List <OSMObject> objects;
List <OSMObject> townObjs;
//List<Building> houses;
maxlat = minlat + height;
maxlon = minlon + width;
unitlat = (maxlat - minlat) / 32;
unitlon = (maxlon - minlon) / (32 * (width / height));
//WebRequest request = WebRequest.Create ("https://overpass-api.de/api/interpreter?data=[out:json];node(41.77,-87.95,41.82,-87.9);out;");
//HttpWebResponse response = (HttpWebResponse) request.GetResponse ();
using (WebClient wc = new WebClient()) {
//string query = String.Format ("https://overpass-api.de/api/interpreter?data=[out:json];node({0},{1},{2},{3});out;", minlat, minlon, maxlat, maxlon);
string query = String.Format("https://overpass-api.de/api/interpreter?data=[out:json];way[landuse=retail]({0},{1},{2},{3});(._;>;);out;", minlat, minlon, maxlat, maxlon);
string townQuery = String.Format("https://overpass-api.de/api/interpreter?data=[out:json][bbox:{0}, {1}, {2}, {3}];relation[admin_level=8];>>;out;", minlat, minlon, maxlat, maxlon);
string json = wc.DownloadString(query);
string townJson = wc.DownloadString(townQuery);
townJson = townJson.Replace("\"ref\"", "\"id\"");
OSMelements data = JsonUtility.FromJson <OSMelements> (json);
OSMelements townData = JsonUtility.FromJson <OSMelements> (townJson);
print(query);
objects = data.elements;
townObjs = townData.elements;
elements = data.elements.ToDictionary(x => x.id, x => x);
townElements = townData.elements.ToDictionary(x => x.id, x => x);
}
int misses = 0;
int queries = 0;
List <OSMObject> toRemove = new List <OSMObject> ();
//houses = new List<Building> ();
foreach (OSMObject o in objects)
{
if (o.type != "way")
{
continue;
}
o.nodeRefs = new List <OSMObject> ();
foreach (int i in o.nodes)
{
queries++;
if (elements.ContainsKey(i))
{
o.nodeRefs.Add(elements[i]);
}
else
{
misses++;
toRemove.Add(o);
break;
}
}
}
objects.RemoveAll(x => toRemove.Contains(x));
toRemove = new List <OSMObject> ();
foreach (OSMObject o in townObjs)
{
if (o.type == "relation")
{
o.wayRefs = new List <OSMObject> ();
print(o.members.Count);
print(o.members[0].id);
foreach (OSMObject i in o.members)
{
queries++;
if (townElements.ContainsKey(i.id))
{
o.wayRefs.Add(townElements[i.id]);
}
else
{
print(String.Format("way {0} not here", i.id));
misses++;
toRemove.Add(o);
break;
}
}
}
else if (o.type == "way")
{
o.nodeRefs = new List <OSMObject> ();
foreach (int i in o.nodes)
{
queries++;
if (townElements.ContainsKey(i))
{
o.nodeRefs.Add(townElements[i]);
}
else
{
print(String.Format("node {0} not here", i));
misses++;
toRemove.Add(o);
break;
}
}
}
}
townObjs.RemoveAll(x => toRemove.Contains(x));
foreach (OSMObject t in townObjs)
{
//print(t.type);
if (t.type != "relation")
{
continue;
}
print("RELATION");
Town town;
if (!towns.ContainsKey(t.tags.name))
{
towns[t.tags.name] = new Town(-1, -1, t.tags.name);
}
town = towns[t.tags.name];
foreach (OSMObject o in t.wayRefs)
{
if (o.type != "way")
{
print(o.type);
continue;
}
print("inner way has these many nodes:");
print(o.nodeRefs.Count);
print(o.nodes.Count);
//print (String.Format ("instantiating at {0}, {1}", (o.nodeRefs[0].lat - minlat) / unitlat, (o.nodeRefs[0].lon - minlon) / unitlon));
//Building h = new Building (o, latToY (o.nodeRefs[0].lat), lonToX (o.nodeRefs[0].lon));
foreach (OSMObject n in o.nodeRefs)
{
if (town.x1 == -1 || town.x1 > lonToX(n.lon))
{
town.x1 = lonToX(n.lon);
print(String.Format("{0} -> {1}", n.lon, lonToX(n.lon)));
}
if (town.x2 == -1 || town.x2 < lonToX(n.lon))
{
town.x2 = lonToX(n.lon);
print(String.Format("{0} -> {1}", n.lon, lonToX(n.lon)));
}
if (town.y1 == -1 || town.y1 > latToY(n.lat))
{
town.y1 = latToY(n.lat);
print(String.Format("{0} -> {1}", n.lat, latToY(n.lat)));
}
if (town.y2 == -1 || town.y2 < latToY(n.lat))
{
town.y2 = latToY(n.lat);
print(String.Format("{0} -> {1}", n.lat, latToY(n.lat)));
}
}
}
print(String.Format("town: {0}, x1={1}, x2={2}, y1={3}, y2={4}", town.name, town.x1, town.x2, town.y1, town.y2));
var vertices2 = new Vector2[] {
new Vector2(town.x1, town.y1),
new Vector2(town.x2, town.y1),
new Vector2(town.x2, town.y2),
new Vector2(town.x1, town.y2)
};
/*
* for (int i = 0; i < o.nodeRefs.Count - 1; i++) {
* OSMObject n = o.nodeRefs[i];
* vertices2[i] = new Vector2 (lonToX (n.lon), latToY (n.lat));
* OSMObject ni = o.nodeRefs[i + 1];
* Debug.DrawLine (new Vector3 (lonToX (n.lon), latToY (n.lat), 0), new Vector3 (lonToX (ni.lon), latToY (ni.lat)), w.tags.landuse == "commercial" || w.tags.landuse == "retail" ? Color.white :
* w.tags.landuse == "grass" ? Color.green :
* Color.cyan, 300, false);
* }*/
var vertices3 = System.Array.ConvertAll <Vector2, Vector3> (vertices2, v => new Vector3(v.x, v.y, 12));
var triangulator = new Triangulator(vertices2);
var indices = triangulator.Triangulate();
var colors = Enumerable.Range(0, vertices3.Length)
.Select(i => UnityEngine.Color.blue)
.ToArray();
var mesh = new Mesh {
vertices = vertices3,
triangles = indices,
colors = colors
};
mesh.RecalculateNormals();
mesh.RecalculateBounds();
var obj = Instantiate(TownGO, new Vector3(0, 0, 0), Quaternion.identity);
obj.name = town.name;
var meshRenderer = obj.AddComponent <MeshRenderer> ();
meshRenderer.material = new Material(Shader.Find("Sprites/Default"));
var filter = obj.AddComponent <MeshFilter> ();
filter.mesh = mesh;
}
foreach (OSMObject o in objects)
{
if (o.type != "way")
{
continue;
}
var vertices2 = new Vector2[o.nodeRefs.Count - 1];
for (int i = 0; i < o.nodeRefs.Count - 1; i++)
{
OSMObject n = o.nodeRefs[i];
vertices2[i] = new Vector2(lonToX(n.lon), latToY(n.lat));
OSMObject ni = o.nodeRefs[i + 1];
/*Debug.DrawLine (new Vector3 (lonToX (n.lon), latToY (n.lat), 0), new Vector3 (lonToX (ni.lon), latToY (ni.lat)), o.tags.landuse == "commercial" || o.tags.landuse == "retail" ? Color.white :
* o.tags.landuse == "grass" ? Color.green :
* Color.cyan, 300, false);*/
}
var vertices3 = System.Array.ConvertAll <Vector2, Vector3> (vertices2, v => new Vector3(v.x, v.y, 0));
var triangulator = new Triangulator(vertices2);
var indices = triangulator.Triangulate();
var colors = Enumerable.Range(0, vertices3.Length)
.Select(i => (o.tags.landuse == "retail" ? UnityEngine.Color.green : UnityEngine.Color.yellow))
.ToArray();
var mesh = new Mesh {
vertices = vertices3,
triangles = indices,
colors = colors
};
mesh.RecalculateNormals();
mesh.RecalculateBounds();
var obj = Instantiate(TownGO, new Vector3(0, 0, 0), Quaternion.identity);
Vector2 avg = averageVector(vertices2);
Town t = closestTown(avg.x, avg.y, towns.Values.ToList());
Retail r = new Retail(o, avg.x, avg.y, obj);
if (!retailAreas.ContainsKey(t.name))
{
retailAreas[t.name] = new List <Retail> ();
}
retailAreas[t.name].Add(r);
obj.name = String.Format("{0}-{1}-{2}", t.name, avg.x, avg.y);
var meshRenderer = obj.AddComponent <MeshRenderer> ();
meshRenderer.material = new Material(Shader.Find("Sprites/Default"));
var filter = obj.AddComponent <MeshFilter> ();
filter.mesh = mesh;
}
foreach (Town t in towns.Values.ToList())
{
if (!retailAreas.ContainsKey(t.name))
{
continue;
}
print(String.Format("{0} downtown:", t.name));
List <Retail> downtown = removeOutliers(retailAreas[t.name]);
print(String.Format("\t{0} areas", downtown.Count));
foreach (Retail r in downtown)
{
var filter = (MeshFilter)r.o.GetComponent("MeshFilter");
var mesh = filter.mesh;
Color[] colors = new Color[mesh.vertices.Length];
for (int m = 0; m < colors.Length; m++)
{
colors[m] = Color.white;
}
mesh.colors = colors;
}
}
print(String.Format("{0} queries, {1} misses", queries, misses));
print(String.Format("{0} objects", objects.Count));
}
/// <summary>
/// Writes OSMObject attributes to the output
/// </summary>
/// <param name="item">OSMObject thats attibutes to be written to the output.</param>
protected void WriteOSMObjectAttributes(OSMObject item)
{
_xmlWriter.WriteAttributeString("id", item.ID.ToString(System.Globalization.NumberFormatInfo.InvariantInfo));
_xmlWriter.WriteAttributeString("visible", "true");
}
