//private async void Read3Dxml(string fileName)
//{
// Model3Dxml model = await Read3dxml.Read3Dxml(fileName);
//}
//private async void writetoglTF(string fileName)
//{
// Model3Dxml model = await Read3dxml.Read3Dxml(fileName);
// ToVertex modeldata = new ToVertex(model.ProductStructure.Instance3DList, model.ProductStructure.ReferenceRepList);
// modeldata.getprimitivelist();
// ThreedxmlTogltf changefile = new ThreedxmlTogltf();
// changefile.getfromprimitivedata(modeldata.allvertexindex, modeldata.allvertexpostion, model.Header.Title);
// GltfModel _model = changefile.writeToGLtf();
// var json = _model.ToJson(_model);
// // 文件保存路径
// var file = @"C:\Users\gxh-PC\Desktop\001.gltf"; // 保存的文件路径
// File.WriteAllText(file, json);
//}
private async void button2_Click(object sender, EventArgs e)
{
SaveFileDialog sd = new SaveFileDialog();
sd.Filter = "3D Object (*.gltf)|*.gltf";
if (sd.ShowDialog() == DialogResult.OK)
{
label2.Text = sd.FileName;
}
Model3Dxml model = await Read3dxml.Read3Dxml(label1.Text);
textBox1.AppendText("已读取3dxml文件数据！ \r\n\n");
ToVertex modeldata = new ToVertex(model.ProductStructure.Instance3DList, model.ProductStructure.ReferenceRepList);
modeldata.getprimitivelist();
ThreedxmlTogltf changefile = new ThreedxmlTogltf();
changefile.getfromprimitivedata(modeldata.allvertexindex, modeldata.allvertexpostion, model.Header.Title);
GltfModel _model = changefile.writeToGLtf();
var json = _model.ToJson(_model);
// 文件保存路径
//var file = @"C:\Users\gxh-PC\Desktop\001.gltf"; // 保存的文件路径
var file = label2.Text;
File.WriteAllText(file, json);
textBox1.AppendText("写入gltf文档成功！ \r\n\n");
}
public SharpGLTF.Schema2.Image ReadImage(string imagePath, GltfModel gltfModel, string imageName)
{
var image = gltfModel.gltf.CreateImage(imageName);
image.SetSatelliteFile(imagePath);
return(image);
}
/// <summary>
/// run converter
/// </summary>
public void Run()
{
if (_model == null)
{
_model = new GltfModel();
//TODO:
if (_objModel == null)
{
using (_objParser)
{
_objModel = _objParser.GetModel();
}
}
_model.Scenes.Add(new Scene());
var u32IndicesEnabled = RequiresUint32Indices(_objModel);
var meshes = _objModel.Geometries;
var meshesLength = meshes.Count;
for (var i = 0; i < meshesLength; i++)
{
var mesh = meshes[i];
var meshIndex = AddMesh(_objModel, mesh, u32IndicesEnabled);
AddNode(mesh.Id, meshIndex, null);
}
if (_model.Images.Count > 0)
{
_model.Samplers.Add(new Sampler
{
MagFilter = MagFilter.Linear,
MinFilter = MinFilter.NearestMipmapLinear,
WrapS = WrappingMode.Repeat,
WrapT = WrappingMode.Repeat
});
}
var allBuffers = AddBuffers(_options.Name);
_model.Buffers.Add(new Gltf.Buffer
{
Name = _options.Name,
ByteLength = allBuffers.Count
});
var boundary = 4;
FillImageBuffers(allBuffers, boundary);
if (!_options.Binary)
{
_model.Buffers[0].Uri = "data:application/octet-stream;base64," + Convert.ToBase64String(allBuffers.ToArray());
}
else
{
_glb = GltfToGlb(allBuffers);
}
_model.Clean();
}
}
public IEnumerable <Bitmap> CreateTextures(GltfModel gltfModel)
{
List <Bitmap> channelImages = new List <Bitmap>();
var i = 0;
foreach (var item in gltfModel.gltf.LogicalImages)
{
var img = Bitmap.FromStream(item.OpenImageFile());
img.Save("wwwwroot/Textures/Texture" + i + ".png", ImageFormat.Png);
i++;
}
return(channelImages);
}
public IActionResult EditModel()
{
EditGltfService gltfService = new EditGltfService(_env);
GltfModel gltfModel = new GltfModel();
//model populaten met ingeladen gltf
var Currentmodel = gltfService.PopulateGltfModel(Path.Combine(_env.WebRootPath, "Objects", "CurrentGlb.glb"));
IndexViewModel indexViewModel = new IndexViewModel()
{
GltfModel = Currentmodel
};
return(View(indexViewModel));
}
//Create GltfModel
public GltfModel PopulateGltfModel(string objectAdres)
{
//Load Object
GltfModel gltfModel = new GltfModel();
gltfModel.gltf = SharpGLTF.Schema2.ModelRoot.Load(objectAdres);
gltfModel.Name = Path.GetFileName(objectAdres);
//Object property lists
List <Meshes> meshesInGltf = new List <Meshes>();
//Populate Models
foreach (var item in gltfModel.gltf.LogicalMeshes)
{
Meshes mesh = new Meshes();
mesh.Mesh = item;
meshesInGltf.Add(mesh);
}
gltfModel.MeshesVerzameling = meshesInGltf;
return(gltfModel);
}
public void SaveCurrentGltf(GltfModel gltfmodel)
{
gltfmodel.gltf.SaveGLB(Path.Combine(_env.WebRootPath, "Objects", "CurrentGlb.glb"));
gltfmodel.gltf.SaveGLTF(Path.Combine(_env.WebRootPath, "Objects", "Current.gltf"));
}
public GltfModel writeToGLtf()
{
GltfModel _model = new GltfModel();
#region "asset"
_model.Asset.Generator = "3dxmlToGLTF";
_model.Asset.Version = "2.0";
#endregion
#region "scene" and "scenes"
// 为 "scene" 添加 0
_model.Scene = 0;
// 为 "scenes" 添加 根节点 nodes
Scene scene = new Scene();
scene.Name = nameofscene;
scene.Nodes.Add(0);
_model.Scenes.Add(scene);
#endregion
#region "nodes" 有待添加
Node node = new Node();
node.Mesh = 0;
_model.Nodes.Add(node);
#endregion
#region "meshes"
Mesh mesh = new Mesh();
Primitive primitive = new Primitive();
var atts = new Dictionary <string, int>();
atts.Add("POSITION", 1);
//atts.Add("NORMAL", 2);
primitive.Attributes = atts;
primitive.Indices = 0;
primitive.Material = 0;
primitive.Mode = Mode.Triangles;
mesh.Primitives.Add(primitive);
_model.Meshes.Add(mesh);
#endregion
#region "materials"
Material material = new Material();
PbrMetallicRoughness pbrMetallicRoughness = new PbrMetallicRoughness();
pbrMetallicRoughness.BaseColorFactor = new double[] { 0.1, 0.1, 0.1, 1 };
pbrMetallicRoughness.MetallicFactor = 0.0;
material.PbrMetallicRoughness = pbrMetallicRoughness;
material.DoubleSided = true;
material.Name = "color";
material.AlphaMode = AlphaMode.OPAQUE;
_model.Materials.Add(material);
#endregion
#region "buffers"
List <byte> bytes = new List <byte>();
foreach (int e in this.indexes)
{
byte[] b = BitConverter.GetBytes(e);
foreach (byte elementofb in b)
{
bytes.Add(elementofb);
}
}
//若索引为int,顶点位置为float，则不用去判断是否需要添加0字节以达到整除的目的，因为这种情况下必定整除
foreach (float e in this.positions)
{
byte[] b = BitConverter.GetBytes(e);
foreach (byte elementofb in b)
{
bytes.Add(elementofb);
}
}
byte[] byteflow = bytes.ToArray();
Arctron.Gltf.Buffer buffer = new Arctron.Gltf.Buffer();
buffer.ByteLength = byteflow.Length;
buffer.Uri = "data:application/octet-stream;base64," + Convert.ToBase64String(byteflow); //byte数组转化为Base64
_model.Buffers.Add(buffer);
#endregion
#region "bufferViews"
//索引段
BufferView bufferView0 = new BufferView();
bufferView0.Buffer = 0;
bufferView0.ByteOffset = 0;
bufferView0.ByteLength = indexes.Count * sizeof(int);
bufferView0.Target = 34963;
//数据段
BufferView bufferView1 = new BufferView();
bufferView1.Buffer = 0;
bufferView1.ByteOffset = indexes.Count * sizeof(int);
bufferView1.ByteLength = positions.Count * sizeof(float);
bufferView1.Target = 34962;
//添加到gltf模型中
_model.BufferViews.Add(bufferView0);
_model.BufferViews.Add(bufferView1);
#endregion
#region "accessors"
//索引段
int index_num = indexes.Count;
int vertex_num = positions.Count / 3;
Accessor accessor0 = new Accessor();
accessor0.BufferView = 0;
accessor0.ByteOffset = 0;
accessor0.ComponentType = 5125;
accessor0.Count = index_num;
accessor0.Type = AccessorType.SCALAR;
double[] min = new double[1] {
0
};
accessor0.Min = min;
double[] max = new double[1] {
vertex_num - 1
};
accessor0.Max = max;
//顶点位置
Accessor accessor1 = new Accessor();
accessor1.BufferView = 1;
accessor1.ByteOffset = 0;
accessor1.ComponentType = 5126;
accessor1.Count = vertex_num;
accessor1.Type = AccessorType.VEC3;
accessor1.Min = accessor1.GetMinVec(positions);
accessor1.Max = accessor1.GetMaxVec(positions);
_model.Accessors.Add(accessor0);
_model.Accessors.Add(accessor1);
#endregion
#region "textures"
#endregion
#region "images"
#endregion
#region "samplers"
#endregion
_model.Clean();
return(_model);
}
