public void WriteB3dmWithBatchTest()
{
// arrange
var buildingGlb = File.ReadAllBytes(@"testfixtures/with_batch.glb");
var batchTableJson = File.ReadAllText(@"testfixtures/BatchTableJsonExpected.json");
var b3dmBytesExpected = File.OpenRead(@"testfixtures/with_batch.b3dm");
var b3dmExpected = B3dmReader.ReadB3dm(b3dmBytesExpected);
var b3dm = new B3dm(buildingGlb);
b3dm.FeatureTableJson = b3dmExpected.FeatureTableJson;
b3dm.BatchTableJson = b3dmExpected.BatchTableJson;
b3dm.FeatureTableBinary = b3dmExpected.FeatureTableBinary;
b3dm.BatchTableBinary = b3dmExpected.BatchTableBinary;
// act
var result = "with_batch.b3dm";
var newB3dm = B3dmWriter.WriteB3dm(result, b3dm);
var b3dmActual = B3dmReader.ReadB3dm(File.OpenRead(newB3dm));
// Assert
Assert.IsTrue(b3dmActual.B3dmHeader.Magic == b3dmExpected.B3dmHeader.Magic);
Assert.IsTrue(b3dmActual.B3dmHeader.Version == b3dmExpected.B3dmHeader.Version);
Assert.IsTrue(b3dmActual.B3dmHeader.FeatureTableJsonByteLength == b3dmExpected.B3dmHeader.FeatureTableJsonByteLength);
Assert.IsTrue(b3dmActual.B3dmHeader.BatchTableJsonByteLength == b3dmExpected.B3dmHeader.BatchTableJsonByteLength);
Assert.IsTrue(b3dmActual.B3dmHeader.ByteLength == b3dmExpected.B3dmHeader.ByteLength);
var fiResult = new FileInfo(result);
var fiExpected = new FileInfo(@"testfixtures/with_batch.b3dm");
Assert.IsTrue(fiResult.Length == fiExpected.Length);
Assert.IsTrue(FilesAreEqual(fiResult, fiExpected));
}
static void Pack(PackOptions o)
{
Console.WriteLine($"Action: Pack");
Console.WriteLine($"Input: {o.Input}");
var f = File.ReadAllBytes(o.Input);
var batchFile = Path.GetFileNameWithoutExtension(o.Input) + ".batch";
var b3dm = new B3dm.Tile.B3dm(f);
if (File.Exists(batchFile))
{
Console.WriteLine($"Input batch file: {batchFile}");
var batchTableJson = File.ReadAllLines(batchFile);
b3dm.FeatureTableJson = batchTableJson[0];
b3dm.BatchTableJson = batchTableJson[1];
}
var b3dmfile = (o.Output == string.Empty ? Path.GetFileNameWithoutExtension(o.Input) + ".b3dm" : o.Output);
if (File.Exists(b3dmfile) && !o.Force)
{
Console.WriteLine($"File {b3dmfile} already exists. Specify -f or --force to overwrite existing files.");
}
else
{
B3dmWriter.WriteB3dm(b3dmfile, b3dm);
Console.WriteLine("B3dm created " + b3dmfile);
}
}
private static int WriteTiles(NpgsqlConnection conn, string geometryTable, string geometryColumn, string idcolumn, double[] translation, List <Tile> tiles, int epsg, string outputPath, int counter, int maxcount, string colorColumn = "", string attributesColumn = "", string lodColumn = "", string query = "")
{
foreach (var t in tiles)
{
counter++;
var perc = Math.Round(((double)counter / maxcount) * 100, 2);
Console.Write($"\rcreating tiles: {counter}/{maxcount} - {perc:F}%");
var geometries = BoundingBoxRepository.GetGeometrySubset(conn, geometryTable, geometryColumn, idcolumn, translation, t, epsg, colorColumn, attributesColumn, lodColumn, query);
var triangleCollection = GetTriangles(geometries);
var attributes = GetAttributes(geometries);
var b3dm = B3dmCreator.GetB3dm(attributesColumn, attributes, triangleCollection);
B3dmWriter.WriteB3dm($"{outputPath}/tiles/{counter}.b3dm", b3dm);
if (t.Children != null)
{
counter = WriteTiles(conn, geometryTable, geometryColumn, idcolumn, translation, t.Children, epsg, outputPath, counter, maxcount, colorColumn, attributesColumn, lodColumn, query);
}
}
return(counter);
}
static void Main(string[] args)
{
Console.WriteLine("Sample conversion from glb to b3dm.");
var inputfile = @"testfixtures/building.glb";
var buildingGlb = File.ReadAllBytes(inputfile);
var b3dm = new B3dm.Tile.B3dm(buildingGlb);
B3dmWriter.WriteB3dm($"building.b3dm", b3dm);
Console.WriteLine($"File building.b3dm is written...");
Console.WriteLine($"Press any key to continue...");
Console.ReadKey();
}
private static void WriteTiles(NpgsqlConnection conn, string geometryTable, string geometryColumn, string idcolumn, double[] translation, Node node, string outputPath, string colorColumn = "", string attributesColumn = "")
{
if (node.Features.Count > 0)
{
counter++;
var subset = (from f in node.Features select(f.Id)).ToArray();
var geometries = BoundingBoxRepository.GetGeometrySubset(conn, geometryTable, geometryColumn, idcolumn, translation, subset, colorColumn, attributesColumn);
var triangleCollection = GetTriangles(geometries);
var bytes = GlbCreator.GetGlb(triangleCollection);
var b3dm = new B3dm.Tile.B3dm(bytes);
var featureTable = new FeatureTable();
featureTable.BATCH_LENGTH = geometries.Count;
b3dm.FeatureTableJson = JsonConvert.SerializeObject(featureTable);
if (attributesColumn != string.Empty)
{
var batchtable = new BatchTable();
var allattributes = new List <object>();
foreach (var geom in geometries)
{
// only take the first now....
allattributes.Add(geom.Attributes[0]);
}
var item = new BatchTableItem();
item.Name = attributesColumn;
item.Values = allattributes.ToArray();
batchtable.BatchTableItems.Add(item);
var json = JsonConvert.SerializeObject(batchtable, new BatchTableJsonConverter(typeof(BatchTable)));
b3dm.BatchTableJson = json;
}
B3dmWriter.WriteB3dm($"{outputPath}/tiles/{node.Id}.b3dm", b3dm);
}
// and write children too
foreach (var subnode in node.Children)
{
var perc = Math.Round(((double)counter / Counter.Instance.Count) * 100, 2);
Console.Write($"\rProgress: tile {counter} - {perc.ToString("F")}%");
WriteTiles(conn, geometryTable, geometryColumn, idcolumn, translation, subnode, outputPath, colorColumn, attributesColumn);
}
}
public void WriteB3dmTest()
{
// arrange
var buildingGlb = File.ReadAllBytes(@"testfixtures/1.glb");
var b3dm = new B3dm(buildingGlb);
var b3dmExpected = File.ReadAllBytes(@"testfixtures/1_expected.b3dm");
// act
var result = @"1.b3dm";
B3dmWriter.WriteB3dm(result, b3dm);
// Assert
var fiResult = new FileInfo(result);
var fiExpected = new FileInfo(@"testfixtures/1_expected.b3dm");
Assert.IsTrue(FilesAreEqual(fiResult, fiExpected));
Assert.IsTrue(fiResult.Length == b3dmExpected.Length);
}
private static void WriteTiles(NpgsqlConnection conn, string geometryTable, string geometryColumn, double[] translation, Node node, string outputPath, string colorColumn = "")
{
if (node.Features.Count > 0)
{
counter++;
var subset = (from f in node.Features select(f.Id)).ToArray();
var geometries = BoundingBoxRepository.GetGeometrySubset(conn, geometryTable, geometryColumn, translation, subset, colorColumn);
var triangleCollection = Triangulator.GetTriangles(geometries);
var bytes = GlbCreator.GetGlb(triangleCollection);
var b3dm = new B3dm.Tile.B3dm(bytes);
var featureTable = new FeatureTable();
featureTable.BATCH_LENGTH = geometries.Count;
b3dm.FeatureTableJson = JsonConvert.SerializeObject(featureTable);
var batchTable = new BatchTable();
var r = new Random();
var heights = new List <float>();
for (var i = 0; i < geometries.Count; i++)
{
heights.Add(r.Next(100));
}
batchTable.Height = heights.ToArray();
b3dm.BatchTableJson = JsonConvert.SerializeObject(batchTable);
B3dmWriter.WriteB3dm($"{outputPath}/tiles/{node.Id}.b3dm", b3dm);
}
// and write children too
foreach (var subnode in node.Children)
{
var perc = Math.Round(((double)counter / Counter.Instance.Count) * 100, 2);
Console.Write($"\rProgress: tile {counter} - {perc.ToString("F")}%");
WriteTiles(conn, geometryTable, geometryColumn, translation, subnode, outputPath, colorColumn);
}
}