private IEnumerator RequestTerrainTile(string url, Vector3 tileId)
{
DownloadHandlerBuffer handler = new DownloadHandlerBuffer();
TerrainTile terrainTile;
var www = new UnityWebRequest(url)
{
downloadHandler = handler
};
yield return(www.SendWebRequest());
if (!www.isNetworkError && !www.isHttpError)
{
//get data
var stream = new MemoryStream(www.downloadHandler.data);
//parse into tile data structure
terrainTile = TerrainTileParser.Parse(stream);
//update tile with height data
tileDb[tileId].GetComponent <MeshFilter>().sharedMesh = terrainTile.GetMesh(-44); //height offset is manually done to nicely align height data with place holder at 0
tileDb[tileId].transform.localScale = new Vector3(ComputeScaleFactorX((int)tileId.z), 1, ComputeScaleFactorY((int)tileId.z));
}
else
{
Debug.Log("Tile: [" + tileId.x + " " + tileId.y + "] Error loading height data" + " url: " + url);
}
pendingQueue.Remove(url);
}
private IEnumerator requestQMTile(string url, Vector3 tileId)
{
DownloadHandlerBuffer handler = new DownloadHandlerBuffer();
TerrainTile terrainTile;
UnityWebRequest www = new UnityWebRequest(url);
www.downloadHandler = handler;
yield return(www.SendWebRequest());
if (!www.isNetworkError && !www.isHttpError)
{
//get data
MemoryStream stream = new MemoryStream(www.downloadHandler.data);
//parse into tile data structure
terrainTile = TerrainTileParser.Parse(stream);
//update tile with height data
tileDb[tileId].GetComponent <MeshFilter>().sharedMesh = terrainTile.GetMesh(-44); //height offset is manually done to nicely align height data with place holder at 0
tileDb[tileId].transform.rotation = Quaternion.Euler(new Vector3(180, 0, 0));
tileDb[tileId].transform.localScale = new Vector3(ComputeScaleFactor((int)tileId.z), 1, ComputeScaleFactor((int)tileId.z) * 2);
}
else
{
UnityEngine.Debug.LogError("Tile: [" + tileId.x + " " + tileId.y + "] Error loading height data");
}
pendingQueue.Remove(url);
processedTileDebugCounter++;
if (pendingQueue.Count == 0)
{
UnityEngine.Debug.Log("finished: with max queue size " + maxParallelRequests + ". Time: " + sw.Elapsed.TotalMilliseconds + " miliseconds. Total requests: " + processedTileDebugCounter);
}
}
private void btnView_Click(object sender, EventArgs e)
{
listBox1.Items.Clear();
if (txtView.Text != String.Empty)
{
// reader terrain from disk
if (chkGzip.Checked)
{
FileInfo myFile = new FileInfo(txtView.Text);
var tileStream = Decompress(myFile);
tileStream.Position = 0;
var terrainTile = TerrainTileParser.Parse(tileStream);
Vector3 vECEF = new Vector3(terrainTile.Header.CenterX, terrainTile.Header.CenterY, terrainTile.Header.CenterZ);
var v3 = Coord.ecef_to_geo(vECEF);
ToDisplay($"Tile Center XY ({MapUtil.Rad2Deg(v3.X)} , {MapUtil.Rad2Deg(v3.Y)} ,{v3.Z})");
DisplayTile(terrainTile);
}
else
{
using (FileStream fileToDecompressAsStream = new FileStream(txtView.Text, FileMode.Open, FileAccess.Read))
{
byte[] bytesDisk = new byte[fileToDecompressAsStream.Length];
fileToDecompressAsStream.Read(bytesDisk, 0, (int)fileToDecompressAsStream.Length);
var tileStream = new MemoryStream(bytesDisk);
var terrainTile = TerrainTileParser.Parse(tileStream);
Vector3 vECEF = new Vector3(terrainTile.Header.CenterX, terrainTile.Header.CenterY, terrainTile.Header.CenterZ);
var v3 = Coord.ecef_to_geo(vECEF);
ToDisplay($"Tile Center XY ({MapUtil.Rad2Deg(v3.X)} , {MapUtil.Rad2Deg(v3.Y)} ,{v3.Z})");
DisplayTile(terrainTile);
}
}
}
}
public void TestFirstTileParsing()
{
// arrange
const string firstTerrainFile = "Terrain.Tiles.Tests.data.9_533_383.terrain";
// act
var pbfStream = Assembly.GetExecutingAssembly().GetManifestResourceStream(firstTerrainFile);
var terrainTile = TerrainTileParser.Parse(pbfStream);
// assert
Assert.IsTrue(terrainTile != null);
// check headers
Assert.IsTrue(terrainTile.Header.CenterX == 4492197.38443436);
Assert.IsTrue(terrainTile.Header.CenterY == 596134.0874495716);
Assert.IsTrue(terrainTile.Header.CenterZ == 4473851.280340988);
Assert.IsTrue(terrainTile.Header.MinimumHeight == 206.3408660888672);
Assert.IsTrue(terrainTile.Header.MaximumHeight == 787.9429931640625);
Assert.IsTrue(terrainTile.Header.BoundingSphereCenterX == 4492197.38443436);
Assert.IsTrue(terrainTile.Header.BoundingSphereCenterY == 596134.0874495716);
Assert.IsTrue(terrainTile.Header.BoundingSphereCenterZ == 4473851.280340988);
Assert.IsTrue(terrainTile.Header.BoundingSphereRadius == 24100.511082898243);
Assert.IsTrue(terrainTile.Header.HorizonOcclusionPointX == 0.5);
Assert.IsTrue(terrainTile.Header.HorizonOcclusionPointY == 0.5);
Assert.IsTrue(terrainTile.Header.HorizonOcclusionPointZ == 0.5);
// check vertexdata
Assert.IsTrue(terrainTile.VertexData.vertexCount == 103);
Assert.IsTrue(terrainTile.VertexData.u[0] == 21075);
Assert.IsTrue(terrainTile.VertexData.v[0] == 26684);
Assert.IsTrue(terrainTile.VertexData.height[0] == 543);
// check IndexData
Assert.IsTrue(terrainTile.IndexData16.triangleCount == 127);
Assert.IsTrue(terrainTile.IndexData16.indices.Length == 381);
Assert.IsTrue(terrainTile.IndexData16.indices[0] == 0);
Assert.IsTrue(terrainTile.IndexData16.indices[terrainTile.IndexData16.indices.Length - 1] == 100);
Assert.IsTrue(terrainTile.IndexData16.indices.Length / 3 == terrainTile.IndexData16.triangleCount);
// check EdgeIndices16
Assert.IsTrue(terrainTile.EdgeIndices16.eastIndices.Length == 10);
Assert.IsTrue(terrainTile.EdgeIndices16.eastIndices[0] == 13);
Assert.IsTrue(terrainTile.EdgeIndices16.eastIndices[9] == 102);
Assert.IsTrue(terrainTile.EdgeIndices16.westIndices.Length == 30);
Assert.IsTrue(terrainTile.EdgeIndices16.westIndices[0] == 19);
Assert.IsTrue(terrainTile.EdgeIndices16.westIndices[29] == 96);
Assert.IsTrue(terrainTile.EdgeIndices16.northIndices.Length == 25);
Assert.IsTrue(terrainTile.EdgeIndices16.northIndices[0] == 1);
Assert.IsTrue(terrainTile.EdgeIndices16.northIndices[24] == 102);
Assert.IsTrue(terrainTile.EdgeIndices16.southIndices.Length == 14);
Assert.IsTrue(terrainTile.EdgeIndices16.southIndices[0] == 47);
Assert.IsTrue(terrainTile.EdgeIndices16.southIndices[13] == 85);
}
public void TestTomTileParsing()
{
// arrange
const string firstTerrainFile = "Terrain.Tiles.Tests.data.86.terrain";
// act
var pbfStream = Assembly.GetExecutingAssembly().GetManifestResourceStream(firstTerrainFile);
var terrainTile = TerrainTileParser.Parse(pbfStream);
// assert
Assert.IsTrue(terrainTile != null);
Assert.IsTrue(terrainTile.VertexData.vertexCount > 0);
}
public void TestAnotherTileParsing1()
{
// arrange
const string firstTerrainFile = "Terrain.Tiles.Tests.data.test_0_0_0.terrain";
// act
var pbfStream = Assembly.GetExecutingAssembly().GetManifestResourceStream(firstTerrainFile);
var terrainTile = TerrainTileParser.Parse(pbfStream);
Assert.IsTrue(terrainTile != null);
// todo: check extensions
}
static void Main(string[] args)
{
const string terrainTileUrl = @"https://maps.tilehosting.com/data/terrain-quantized-mesh/9/536/391.terrain?key=wYrAjVu6bV6ycoXliAPl";
var client = new HttpClient();
var bytes = client.GetByteArrayAsync(terrainTileUrl).Result;
var stream = new MemoryStream(bytes);
var terrainTile = TerrainTileParser.Parse(stream);
Console.WriteLine("Number of vertices: " + terrainTile.VertexData.vertexCount);
Console.ReadLine();
Console.WriteLine("Press any key to continue...");
}
public void GetTomTileFromWeb()
{
// arrange
var url = "https://saturnus.geodan.nl/tomt/data/tiles/15/33823/26068.terrain?v=1.0.0";
var client = new HttpClient();
var bytes = client.GetByteArrayAsync(url).Result;
var stream = new MemoryStream(bytes);
// act
var terrainTile = TerrainTileParser.Parse(stream);
// assert
Assert.IsTrue(terrainTile.VertexData.vertexCount > 0);
}
public void TestSampleTerrainTileParsing()
{
// arrange
const string terrainTileUrl = "https://maps.tilehosting.com/data/terrain-quantized-mesh/9/536/391.terrain?key=wYrAjVu6bV6ycoXliAPl";
var client = new HttpClient();
var bytes = client.GetByteArrayAsync(terrainTileUrl).Result;
var stream = new MemoryStream(bytes);
// act
var terrainTile = TerrainTileParser.Parse(stream);
// assert
Assert.IsTrue(terrainTile != null);
Assert.IsTrue(terrainTile.VertexData.vertexCount > 0);
}
public void TestWatermarkTileParsing()
{
// arrange
const string firstTerrainFile = "Terrain.Tiles.Tests.data.9_769_319_watermask.terrain";
// act
var pbfStream = Assembly.GetExecutingAssembly().GetManifestResourceStream(firstTerrainFile);
var terrainTile = TerrainTileParser.Parse(pbfStream);
Assert.IsTrue(terrainTile != null);
// todo: check extensions
//Assert.IsTrue(qmt.NormalExtensionData.vertexCount == 4);
//Assert.IsTrue(qmt.NormalExtensionData.xy.Length == 8);
//Assert.IsTrue(qmt.NormalExtensionData.xy[0] == 0);
//Assert.IsTrue(qmt.NormalExtensionData.xy[7] == 203);
}
private void btnURLView_Click(object sender, EventArgs e)
{
var client = new HttpClient();
var bytes = client.GetByteArrayAsync(txtURL.Text).Result;
var stream = new MemoryStream(bytes);
// save to disk
using (FileStream file = new FileStream("c:\\temp\\url.terrain", FileMode.Create, FileAccess.Write))
{
stream.WriteTo(file);
}
FileInfo myFile = new FileInfo("c:\\temp\\url.terrain");
var tileStream = Decompress(myFile);
tileStream.Position = 0;
var terrainTile = TerrainTileParser.Parse(tileStream);
Vector3 vECEF = new Vector3(terrainTile.Header.CenterX, terrainTile.Header.CenterY, terrainTile.Header.CenterZ);
var v3 = Coord.ecef_to_geo(vECEF);
ToDisplay($"Tile Center XY ({MapUtil.Rad2Deg(v3.X)} , {MapUtil.Rad2Deg(v3.Y)} ,{v3.Z})");
DisplayTile(terrainTile);
}
private IEnumerator requestQMTile(int x, int y, int z, Vector2 location, Vector2 tilescale, Vector2 TileOriginWGS84, Vector2 TileSizeWGS)
{
string url = $"https://saturnus.geodan.nl/tomt/data/tiles/{z}/{x}/{y}.terrain?v=1.0.0";
DownloadHandlerBuffer handler = new DownloadHandlerBuffer();
TerrainTile terrainTile;
UnityWebRequest http = new UnityWebRequest(url);
http.downloadHandler = handler;
yield return(http.SendWebRequest());
if (!http.isNetworkError)
{
//get data
MemoryStream stream = new MemoryStream(http.downloadHandler.data);
//parse into tile data structure
terrainTile = TerrainTileParser.Parse(stream);
//create unity tile with tile data structure
tile = new GameObject("tile x:" + x + " y:" + y + " z:" + z);
tile.transform.parent = maaiveldgroep.transform;
tile.AddComponent <MeshFilter>().mesh = terrainTile.GetMesh();
tile.AddComponent <MeshCollider>();
//scale
tile.transform.localScale = new Vector3(-1 * tilescale.x / 2, -1, -1 * tilescale.y);
tile.transform.position = new Vector3((location.x), 0, (location.y));
StartCoroutine(requestWMSTile(location.x, location.y, tile, TileOriginWGS84, TileSizeWGS));
}
else
{
Debug.Log("Error loading tile");
}
}
public TerrainTile ParseVectorTileFromStream()
{
var stream = File.OpenRead(@"data/9_533_383.terrain");
return(TerrainTileParser.Parse(stream));
}
static void Main(string[] args)
{
// input tile
var x = 1066;
var y = 776;
var level = 10;
string terrainTileUrl = $"https://maps.tilehosting.com/data/terrain-quantized-mesh/{level}/{x}/{y}.terrain?key=rmDrA8qf6zp3pasxyYRn";
var client = new HttpClient();
var bytes = client.GetByteArrayAsync(terrainTileUrl).Result;
var stream = new MemoryStream(bytes);
var terrainTile = TerrainTileParser.Parse(stream);
var bounds = GlobalGeodetic.GlobalGeodetic.TileBounds(x, y, level);
//var minimumHeight = terrainTile.Header.MinimumHeight; // 934
//var maximumHeight = terrainTile.Header.MaximumHeight; //3167
//var triangleCount = terrainTile.IndexData16.triangleCount; // 2873
//var vertexCount = terrainTile.VertexData.vertexCount; // 959
var vertices = new List <Wkx.Point>();
for (var n = 0; n < terrainTile.VertexData.vertexCount; n++)
{
var u = terrainTile.VertexData.u[n]; //32767
var v = terrainTile.VertexData.v[n]; // 0
var h = terrainTile.VertexData.height[n]; //26707
var x1 = Mathf.Lerp(bounds[0], bounds[2], (double)(u) / MAX);
var y1 = Mathf.Lerp(bounds[1], bounds[3], (double)(v) / MAX);
var h1 = Mathf.Lerp(terrainTile.Header.MinimumHeight, terrainTile.Header.MaximumHeight, (double)h / MAX); //2754
var p = new Wkx.Point(x1, y1, h1);
vertices.Add(p);
}
var triangles = new List <Triangle>();
for (var i = 0; i < terrainTile.IndexData16.indices.Length; i += 3)
{
var firstIndex = terrainTile.IndexData16.indices[i];
var secondIndex = terrainTile.IndexData16.indices[i + 1];
var thirdIndex = terrainTile.IndexData16.indices[i + 2];
var p0 = vertices[firstIndex];
var p1 = vertices[secondIndex];
var p2 = vertices[thirdIndex];
var t = new Triangle(p0, p1, p2);
triangles.Add(t);
}
var features = new List <Feature>();
foreach (var t in triangles)
{
features.Add(GetFeature(t));
}
var fc = new FeatureCollection(features);
string json = JsonConvert.SerializeObject(fc);
File.WriteAllText("triangles.geojson", json);
}
private IEnumerator requestTile(int x, int y, int z)
{
// todo: must be z/x/y in request, two top tiles are 0/0/0 (z/x/y) and 0/1/0 (z/y/y)
string url = $"http://assets.agi.com/stk-terrain/v1/tilesets/world/tiles/{x}/{y}/{z}.terrain";
DownloadHandlerBuffer handler = new DownloadHandlerBuffer();
TerrainTile terrainTile;
UnityWebRequest http = new UnityWebRequest(url);
http.downloadHandler = handler;
yield return(http.Send());
if (!http.isError)
{
//get data
MemoryStream stream = new MemoryStream(http.downloadHandler.data);
//unzip
var deflateStream = new GZipStream(stream, CompressionMode.Decompress);
//parse into tile
terrainTile = TerrainTileParser.Parse(deflateStream);
//create tile
var tile = new GameObject("tile x:" + x + " y:" + y + " z:" + z);
tile.AddComponent <MeshFilter>().mesh = terrainTile.GetMesh(x, y, z);
if (y == 0)
{
tile.AddComponent <MeshRenderer>().material = mat1;
}
else
{
tile.AddComponent <MeshRenderer>().material = mat2;
}
tile.transform.localScale = new Vector3(0.5f, -0.003f, 1);
tile.transform.position = new Vector3(x - (y * 180), 0, 0);
tiles.Add(tile);
////create vertices (if needed)
//if (showVertices)
//{
// GameObject cube = GameObject.CreatePrimitive(PrimitiveType.Cube);
// Mesh cubeMesh = cube.GetComponent<MeshFilter>().mesh;
// cube.SetActive(false);
// var vert = tile.GetComponent<MeshFilter>().mesh.vertices;
// for (int i = 0; i < vert.Length; i++)
// {
// GameObject computePoint = new GameObject(name) { hideFlags = HideFlags.HideInHierarchy };
// computePoint.transform.parent = tile.transform;
// computePoint.transform.position = new Vector3(vert[i].x, vert[i].y, vert[i].z);
// computePoint.AddComponent<MeshFilter>().mesh = cubeMesh;
// computePoint.AddComponent<MeshRenderer>().material = mat2;
// computePoint.AddComponent<MeshCollider>();
// }
//}
}
else
{
Debug.Log("Error loading tile");
}
}
