static void Main(string[] args)
{
string infile = "testfixtures/1-0-1-1.pnts";
var stream = File.OpenRead(infile);
Console.WriteLine("Pnts tile sample application");
Console.WriteLine($"Start parsing {infile}...");
var pnts = PntsParser.ParsePnts(stream);
var rtc = pnts.FeatureTableMetadata.Rtc_Center;
var rtc_cartesian = GetCartesianPoint(rtc[0], rtc[1], rtc[2]);
var cartesian_points = GetCartesianPoints(pnts);
var wgs84Points = GetWgs84Points(cartesian_points, rtc_cartesian);
WritePositions3DToCsv("positions.csv", wgs84Points);
var first_point = wgs84Points[0];
Console.WriteLine($"Number of points: {pnts.FeatureTableMetadata.points_length} ");
Console.WriteLine($"RTC_CENTER (relative to center x,y,z): {rtc[0]},{rtc[1]},{rtc[2]}");
Console.WriteLine($"First point (x,y,z): {pnts.Points[0].X}, {pnts.Points[0].Y}, {pnts.Points[0].Z} ");
Console.WriteLine($"First point (longitude, latitude, altitude): {first_point.Longitude.DecimalDegrees}, {first_point.Latitude.DecimalDegrees}, {first_point.Altitude} ");
Console.WriteLine($"First point color (r,g,b): {pnts.Colors[0].R}, {pnts.Colors[0].G}, {pnts.Colors[0].B} ");
Console.WriteLine("Press any key to continue");
Console.ReadKey();
}
public void ParsePntsTest()
{
// arrange
// act
var pnts = PntsParser.ParsePnts(pntsfile);
// assert
Assert.IsTrue(expectedMagicHeader == pnts.Magic);
Assert.IsTrue(expectedVersionHeader == pnts.Version);
Assert.IsTrue(pnts.Points != null);
Assert.IsTrue(pnts.Points.Count > 0);
Assert.IsTrue(pnts.Points[0].X == (float)144.78);
Assert.IsTrue(pnts.Points[0].Y == (float)-64.85);
Assert.IsTrue(pnts.Points[0].Z == (float)-174.68);
Assert.IsTrue(pnts.Colors != null);
Assert.IsTrue(pnts.Colors.Count > 0);
Assert.IsTrue(pnts.Colors[0].R == 75);
Assert.IsTrue(pnts.Colors[0].G == 91);
Assert.IsTrue(pnts.Colors[0].B == 88);
Assert.IsTrue(pnts.FeatureTableMetadata.points_length == 164);
var rtc = pnts.FeatureTableMetadata.Rtc_Center;
Assert.IsTrue(rtc[0] == 3830004.5);
Assert.IsTrue(rtc[1] == 323597.5);
Assert.IsTrue(rtc[2] == 5072948.5);
}
public void TestPointsFile()
{
// source file: https://github.com/CesiumGS/3d-tiles-samples/blob/master/tilesets/TilesetWithRequestVolume/points.pnts
var pntsFile = File.OpenRead(@"testfixtures/points.pnts");
var pnts = PntsParser.ParsePnts(pntsFile);
Assert.IsTrue(expectedMagicHeader == pnts.Magic);
Assert.IsTrue(expectedVersionHeader == pnts.Version);
Assert.IsTrue(pnts.Points.Count == 125000);
Assert.IsTrue(pnts.Colors.Count == 125000);
Assert.IsTrue(pnts.Points[0].X == (float)-1.1413337);
Assert.IsTrue(pnts.Points[0].Y == (float)0.359452039);
Assert.IsTrue(pnts.Points[0].Z == (float)-0.361457467);
Assert.IsTrue(pnts.Colors[0].R == 182);
Assert.IsTrue(pnts.Colors[0].G == 215);
Assert.IsTrue(pnts.Colors[0].B == 153);
}
private IEnumerator RequestTreeTile(string url)
{
DownloadHandlerBuffer handler = new DownloadHandlerBuffer();
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);
var pnts = PntsParser.ParsePnts(stream);
var pointData = pnts.Points;
var colorData = pnts.Colors;
Vector3[] verts = new Vector3[pointData.Count];
for (int i = 0; i < pointData.Count; i++)
{
var dist_x = new Distance(pnts.FeatureTableMetadata.Rtc_Center[0] + pointData[i].X, DistanceUnit.Meters); //lon
var dist_y = new Distance(pnts.FeatureTableMetadata.Rtc_Center[1] + pointData[i].Y, DistanceUnit.Meters); //lat
var dist_z = new Distance(pnts.FeatureTableMetadata.Rtc_Center[2] + pointData[i].Z, DistanceUnit.Meters); //alt
var WGS84Coor = new CartesianPoint(dist_x, dist_y, dist_z).ToPosition3D();
double x = WGS84Coor.Longitude.DecimalDegrees;
double height = WGS84Coor.Altitude.Value;
double z = WGS84Coor.Latitude.DecimalDegrees;
//conversion to view
var xv = (x - floatingOrigin.x) * UnityUnitsPerGraadX;
var zv = (z - floatingOrigin.y) * UnityUnitsPerGraadY;
verts[i] = new Vector3((float)xv, (float)height, (float)zv);
}
Color[] colors = new Color[colorData.Count];
for (int i = 0; i < colorData.Count; i++)
{
colors[i] = new Color(colorData[i].R / (float)255f, colorData[i].G / (float)255f, colorData[i].B / (float)255f, colorData[i].A / (float)255f);
}
int[] tris = new int[pointData.Count];
for (int i = 0; i < tris.Length; i++)
{
tris[i] = i;
}
Mesh m = new Mesh();
m.vertices = verts;
m.colors = colors;
m.SetIndices(tris, MeshTopology.Points, 0);
m.RecalculateBounds();
GameObject trees = new GameObject("trees: " + url);// { hideFlags = HideFlags.HideInHierarchy };
trees.AddComponent <MeshRenderer>().material = new Material(Shader.Find("Point Cloud/Point"));
trees.AddComponent <MeshFilter>().mesh = m;
}
else
{
Debug.Log("Tile: [" + url + "] Error loading b3dm data");
}
pendingQueue.Remove(url);
}
