static void Info(InfoOptions o)
{
Console.WriteLine($"Action: Info");
Console.WriteLine("b3dm file: " + o.Input);
var f = File.OpenRead(o.Input);
var b3dm = B3dmReader.ReadB3dm(f);
Console.WriteLine("b3dm header version: " + b3dm.B3dmHeader.Version);
Console.WriteLine("b3dm header magic: " + b3dm.B3dmHeader.Magic);
Console.WriteLine("b3dm header bytelength: " + b3dm.B3dmHeader.ByteLength);
Console.WriteLine("b3dm header featuretablejson length: " + b3dm.B3dmHeader.FeatureTableJsonByteLength);
Console.WriteLine("b3dm header batchtablejson length: " + b3dm.B3dmHeader.BatchTableJsonByteLength);
Console.WriteLine("Batch table json: " + b3dm.BatchTableJson);
Console.WriteLine("Feature table json: " + b3dm.FeatureTableJson);
var stream = new MemoryStream(b3dm.GlbData);
try
{
var gltf = Interface.LoadModel(stream);
Console.WriteLine("glTF model is loaded");
Console.WriteLine("glTF generator: " + gltf.Asset.Generator);
Console.WriteLine("glTF version:" + gltf.Asset.Version);
Console.WriteLine("glTF primitives: " + gltf.Meshes[0].Primitives.Length);
if (gltf.ExtensionsUsed != null)
{
Console.WriteLine("glTF extensions used:" + string.Join(',', gltf.ExtensionsUsed));
}
else
{
Console.WriteLine("glTF: no extensions used.");
}
if (gltf.ExtensionsRequired != null)
{
Console.WriteLine("glTF extensions required:" + string.Join(',', gltf.ExtensionsRequired));
}
else
{
Console.WriteLine("glTF: no extensions required.");
}
if (gltf.Meshes[0].Primitives.Length > 0)
{
Console.WriteLine("glTF primitive mode: " + gltf.Meshes[0].Primitives[0].Mode);
Console.WriteLine("glTF primitive attributes: " + String.Join(',', gltf.Meshes[0].Primitives[0].Attributes));
// gltf.Meshes[0].Primitives[0];
// todo: how to get to the vertices?
}
}
catch (InvalidDataException ex)
{
Console.WriteLine("glTF version not supported.");
Console.WriteLine(ex.Message);
}
f.Dispose();
}
static void Info(InfoOptions o)
{
Console.WriteLine($"Action: Info");
Console.WriteLine("b3dm file: " + o.Input);
var f = File.OpenRead(o.Input);
var b3dm = B3dmReader.ReadB3dm(f);
Console.WriteLine("b3dm header version: " + b3dm.B3dmHeader.Version);
Console.WriteLine("b3dm header magic: " + b3dm.B3dmHeader.Magic);
Console.WriteLine("b3dm header bytelength: " + b3dm.B3dmHeader.ByteLength);
Console.WriteLine("b3dm header featuretablejson length: " + b3dm.B3dmHeader.FeatureTableJsonByteLength);
Console.WriteLine("b3dm header batchtablejson length: " + b3dm.B3dmHeader.BatchTableJsonByteLength);
Console.WriteLine("Feature table json: '" + b3dm.FeatureTableJson + "'");
Console.WriteLine("Batch table json: '" + b3dm.BatchTableJson + "'");
var validationErrors = b3dm.B3dmHeader.Validate();
if (validationErrors.Count > 0)
{
Console.WriteLine($"Byte padding rule check: {validationErrors.Count} errors");
foreach (var error in validationErrors)
{
Console.WriteLine(error);
}
}
else
{
Console.WriteLine("Validation check: no errors");
}
var stream = new MemoryStream(b3dm.GlbData);
try
{
var glb = ModelRoot.ReadGLB(stream, new ReadSettings());
Console.WriteLine("glTF model is loaded");
Console.WriteLine("glTF generator: " + glb.Asset.Generator);
Console.WriteLine("glTF version:" + glb.Asset.Version);
Console.WriteLine("glTF primitives: " + glb.LogicalMeshes[0].Primitives.Count);
var triangles = Toolkit.EvaluateTriangles(glb.DefaultScene).ToList();
Console.WriteLine("glTF triangles: " + triangles.Count);
var points = triangles.SelectMany(item => new[] { item.A.GetGeometry().GetPosition(), item.B.GetGeometry().GetPosition(), item.C.GetGeometry().GetPosition() }.Distinct().ToList());
var xmin = (from p in points select p.X).Min();
var xmax = (from p in points select p.X).Max();
var ymin = (from p in points select p.Y).Min();
var ymax = (from p in points select p.Y).Max();
var zmin = (from p in points select p.Z).Min();
var zmax = (from p in points select p.Z).Max();
Console.WriteLine($"Bounding box vertices (xmin, ymin, zmin, xmax, ymax, zmax): {xmin}, {ymin}, {zmin}, {xmax}, {ymax}, {zmax}");
foreach (var primitive in glb.LogicalMeshes[0].Primitives)
{
Console.Write($"Primitive {primitive.LogicalIndex} ({primitive.DrawPrimitiveType}) ");
if (primitive.GetVertexAccessor("_BATCHID") != null)
{
var batchIds = primitive.GetVertexAccessor("_BATCHID").AsScalarArray();
Console.WriteLine($"batch ids (unique): {string.Join(',',batchIds.Distinct())}");
}
else
{
Console.WriteLine($"No _BATCHID attribute found...");
}
}
if (glb.ExtensionsUsed.Count() > 0)
{
Console.WriteLine("glTF extensions used: " + string.Join(',', glb.ExtensionsUsed));
}
else
{
Console.WriteLine("glTF: no extensions used.");
}
if (glb.ExtensionsRequired.Count() > 0)
{
Console.WriteLine("glTF extensions required: " + string.Join(',', glb.ExtensionsRequired));
}
else
{
Console.WriteLine("glTF: no extensions required.");
}
}
catch (SchemaException ex)
{
Console.WriteLine("glTF schema exception");
Console.WriteLine(ex.Message);
}
catch (InvalidDataException ex)
{
Console.WriteLine("Invalid data exception");
Console.WriteLine(ex.Message);
}
catch (LinkException ex)
{
Console.WriteLine("glTF Link exception");
Console.WriteLine(ex.Message);
}
catch (ArgumentException ex)
{
Console.WriteLine(ex.Message);
}
f.Dispose();
}
