private static Materials.Material CreateMaterialForMesh(MeshPrimitive prim, Gltf model)
{
Materials.Material result = null; //new PbrMaterial(AlkaronCoreGame.Core.SceneManager);
//result.Effect = AlkaronCoreGame.Core.SceneManager.RenderManager.
return(result);
}
public static Bar Column(Autodesk.DesignScript.Geometry.Line line, Materials.Material material, Sections.Section[] section, [DefaultArgument("Connectivity.Default()")] Connectivity[] connectivity, [DefaultArgument("Eccentricity.Default()")] Eccentricity[] eccentricity, [DefaultArgument("Autodesk.DesignScript.Geometry.Vector.ByCoordinates(0,0,0)")] Autodesk.DesignScript.Geometry.Vector localY, [DefaultArgument("true")] bool orientLCS, string identifier = "C")
{
// convert class
Geometry.Edge edge = Geometry.Edge.FromDynamoLine(line);
// create bar
var type = BarType.Column;
Bar bar = new Bar(edge, type, material, section, eccentricity, connectivity, identifier);
// set local y-axis
if (!localY.Equals(Autodesk.DesignScript.Geometry.Vector.ByCoordinates(0, 0, 0)))
{
bar.BarPart.LocalY = FemDesign.Geometry.FdVector3d.FromDynamo(localY);
}
// else orient coordinate system to GCS
else
{
if (orientLCS)
{
bar.BarPart.OrientCoordinateSystemToGCS();
}
}
// return
return(bar);
}
/// <summary>
/// Reinforcement wire.
/// </summary>
public Wire(double diameter, Materials.Material reinforcingMaterial, WireProfileType profile)
{
this.ReinforcingMaterial = reinforcingMaterial;
this.Diameter = diameter;
this.ReinforcingMaterialGuid = reinforcingMaterial.Guid;
this.Profile = profile;
}
private static Materials.Material CreateMaterialForMesh(MeshPrimitive prim, Gltf model)
{
var mat = AlkaronCoreGame.Core.AssetManager.Load <Materials.Material>("EngineMaterials.BasicEffect.material");
Materials.Material result = mat; //new PbrMaterial(AlkaronCoreGame.Core.SceneManager);
//result.Effect = AlkaronCoreGame.Core.SceneManager.RenderManager.
return(result);
}
/// <summary>
/// Construct Slab.
/// </summary>
private Slab(SlabType type, string name, SlabPart slabPart, Materials.Material material)
{
this.EntityCreated();
this.Name = name;
this.Type = type;
this.SlabPart = slabPart;
this.Material = material;
this.End = "";
}
public static Slab Plate(string identifier, Materials.Material material, Geometry.Region region, EdgeConnection shellEdgeConnection, ShellEccentricity eccentricity, ShellOrthotropy orthotropy, List <Thickness> thickness)
{
Slab._plateInstance++;
SlabType type = SlabType.Plate;
string name = identifier + "." + Slab._plateInstance.ToString() + ".1";
SlabPart slabPart = SlabPart.Define(name, region, thickness, material, shellEdgeConnection, eccentricity, orthotropy);
Slab shell = new Slab(type, name, slabPart, material);
return(shell);
}
/// <summary>
/// Construct a truss element. BarType must be specified as Truss.
/// </summary>
/// <param name="edge"></param>
/// <param name="type"></param>
/// <param name="material"></param>
/// <param name="section"></param>
/// <param name="identifier"></param>
/// <exception cref="System.Exception"></exception>
public Bar(Geometry.Edge edge, BarType type, Materials.Material material, Sections.Section section, string identifier)
{
if (type != BarType.Truss)
{
throw new System.Exception("Truss is not a valid type");
}
this.EntityCreated();
this.Type = type;
this.Identifier = identifier;
this.BarPart = new BarPart(edge, this.Type, material, section, this.Identifier);
}
/// <summary>
/// Construct beam or column with non-uniform section and different start/end conditions
/// </summary>
/// <param name="edge"></param>
/// <param name="type"></param>
/// <param name="material"></param>
/// <param name="sections">List of sections, 2 or more items.</param>
/// <param name="positions">List of parametric (0-1) section positions, 2 or more items.</param>
/// <param name="eccentricities">List of analytical eccentricities, 2 or more items.</param>
/// <param name="startConnectivity">Start connectivity</param>
/// <param name="endConnectivity">End connectivity</param>
/// <param name="identifier">Identifier</param>
public Bar(Geometry.Edge edge, BarType type, Materials.Material material, Sections.Section[] sections, double[] positions, Eccentricity[] eccentricities, Connectivity startConnectivity, Connectivity endConnectivity, string identifier)
{
if (type == BarType.Truss)
{
throw new System.Exception("Truss is not a valid type");
}
this.EntityCreated();
this.Type = type;
this.Identifier = identifier;
this.BarPart = new BarPart(edge, this.Type, material, sections, positions, eccentricities, startConnectivity, endConnectivity, this.Identifier);
}
public static Slab Wall(string identifier, Materials.Material material, Geometry.Region region, EdgeConnection shellEdgeConnection, ShellEccentricity eccentricity, ShellOrthotropy orthotropy, List <Thickness> thickness)
{
// check if surface is vertical
if (Math.Abs(region.CoordinateSystem.LocalZ.Z) > FemDesign.Tolerance.Point3d)
{
throw new System.ArgumentException("Wall is not vertical! Create plate instead.");
}
Slab._wallInstance++;
SlabType type = SlabType.Wall;
string name = identifier + "." + Slab._wallInstance.ToString() + ".1";
SlabPart slabPart = SlabPart.Define(name, region, thickness, material, shellEdgeConnection, eccentricity, orthotropy);
Slab shell = new Slab(type, name, slabPart, material);
return(shell);
}
/// <summary>
/// Construct beam or column with uniform section and uniform start/end conditions
/// </summary>
/// <param name="edge"></param>
/// <param name="type"></param>
/// <param name="material"></param>
/// <param name="section">Section, same at start/end</param>
/// <param name="eccentricity">Analytical eccentricity, same at start. Eccentricity set to 0,0 if null/end</param>
/// <param name="connectivity">Connectivity, same at start/end. Connectivity set to Rigid if null</param>
/// <param name="identifier">Identifier</param>
public Bar(Geometry.Edge edge, BarType type, Materials.Material material, Sections.Section section, Eccentricity eccentricity = null, Connectivity connectivity = null, string identifier = "B")
{
if (type == BarType.Truss)
{
throw new System.Exception("Truss is not a valid type");
}
this.EntityCreated();
this.Type = type;
this.Identifier = identifier;
if (eccentricity == null)
{
eccentricity = Eccentricity.GetDefault();
}
if (connectivity == null)
{
connectivity = Connectivity.GetDefault();
}
this.BarPart = new BarPart(edge, this.Type, material, section, eccentricity, connectivity, this.Identifier);
}
public static Slab PlateVariableThickness(Autodesk.DesignScript.Geometry.Surface surface, List <Thickness> thickness, Materials.Material material, [DefaultArgument("ShellEccentricity.Default()")] ShellEccentricity shellEccentricity, [DefaultArgument("ShellOrthotropy.Default()")] ShellOrthotropy shellOrthotropy, [DefaultArgument("EdgeConnection.Default()")] EdgeConnection shellEdgeConnection, [DefaultArgument("Autodesk.DesignScript.Geometry.Vector.ByCoordinates(0,0,0)")] Autodesk.DesignScript.Geometry.Vector localX, [DefaultArgument("Autodesk.DesignScript.Geometry.Vector.ByCoordinates(0,0,0)")] Autodesk.DesignScript.Geometry.Vector localZ, string identifier = "P")
{
// create FlatSurface
Geometry.Region region = Geometry.Region.FromDynamo(surface);
// check length of thickness
if (thickness.Count != 3)
{
throw new System.ArgumentException("Thickness must contain exactly 3 items.");
}
// create shell
Slab slab = Slab.Plate(identifier, material, region, shellEdgeConnection, shellEccentricity, shellOrthotropy, thickness);
// set local x-axis
if (!localX.Equals(Autodesk.DesignScript.Geometry.Vector.ByCoordinates(0, 0, 0)))
{
slab.SlabPart.LocalX = FemDesign.Geometry.FdVector3d.FromDynamo(localX);
}
// set local z-axis
if (!localZ.Equals(Autodesk.DesignScript.Geometry.Vector.ByCoordinates(0, 0, 0)))
{
slab.SlabPart.LocalZ = FemDesign.Geometry.FdVector3d.FromDynamo(localZ);
}
return(slab);
}
public static Slab Plate(Autodesk.DesignScript.Geometry.Surface surface, double thickness, Materials.Material material, [DefaultArgument("ShellEccentricity.Default()")] ShellEccentricity shellEccentricity, [DefaultArgument("ShellOrthotropy.Default()")] ShellOrthotropy shellOrthotropy, [DefaultArgument("EdgeConnection.Default()")] EdgeConnection shellEdgeConnection, [DefaultArgument("Autodesk.DesignScript.Geometry.Vector.ByCoordinates(0,0,0)")] Autodesk.DesignScript.Geometry.Vector localX, [DefaultArgument("Autodesk.DesignScript.Geometry.Vector.ByCoordinates(0,0,0)")] Autodesk.DesignScript.Geometry.Vector localZ, string identifier = "P")
{
// create FlatSurface
Geometry.Region region = Geometry.Region.FromDynamo(surface);
// create Thickness object
List <Thickness> _thickness = new List <Thickness>();
_thickness.Add(new Thickness(region.CoordinateSystem.Origin, thickness));
// create shell
Slab slab = Slab.Plate(identifier, material, region, shellEdgeConnection, shellEccentricity, shellOrthotropy, _thickness);
// set local x-axis
if (!localX.Equals(Autodesk.DesignScript.Geometry.Vector.ByCoordinates(0, 0, 0)))
{
slab.SlabPart.LocalX = FemDesign.Geometry.FdVector3d.FromDynamo(localX);
}
// set local z-axis
if (!localZ.Equals(Autodesk.DesignScript.Geometry.Vector.ByCoordinates(0, 0, 0)))
{
slab.SlabPart.LocalZ = FemDesign.Geometry.FdVector3d.FromDynamo(localZ);
}
return(slab);
}
public static Slab Wall(Autodesk.DesignScript.Geometry.Surface surface, double thickness, Materials.Material material, [DefaultArgument("ShellEccentricity.Default()")] ShellEccentricity shellEccentricity, [DefaultArgument("ShellOrthotropy.Default()")] ShellOrthotropy shellOrthotropy, [DefaultArgument("EdgeConnection.Default()")] EdgeConnection shellEdgeConnection, [DefaultArgument("Autodesk.DesignScript.Geometry.Vector.ByCoordinates(0,0,0)")] Autodesk.DesignScript.Geometry.Vector localX, [DefaultArgument("Autodesk.DesignScript.Geometry.Vector.ByCoordinates(0,0,0)")] Autodesk.DesignScript.Geometry.Vector localZ, string identifier = "W")
{
// create FlatSurface
Geometry.Region region = Geometry.Region.FromDynamo(surface);
// create Thickness object
List <Thickness> _thickness = new List <Thickness>();
_thickness.Add(new Thickness(region.CoordinateSystem.Origin, thickness));
// check if surface is vertical
if (Math.Abs(region.CoordinateSystem.LocalZ.Z) > FemDesign.Tolerance.Point3d)
{
throw new System.ArgumentException("Wall is not vertical! Create plate instead.");
}
// create shell
Slab slab = Slab.Wall(identifier, material, region, shellEdgeConnection, shellEccentricity, shellOrthotropy, _thickness);
// set local x-axis
if (!localX.Equals(Autodesk.DesignScript.Geometry.Vector.ByCoordinates(0, 0, 0)))
{
slab.SlabPart.LocalX = FemDesign.Geometry.FdVector3d.FromDynamo(localX);
}
// set local z-axis
if (!localZ.Equals(Autodesk.DesignScript.Geometry.Vector.ByCoordinates(0, 0, 0)))
{
slab.SlabPart.LocalZ = FemDesign.Geometry.FdVector3d.FromDynamo(localZ);
}
return(slab);
}
static void Main()
{
// PRACTICAL EXAMPLE: PARAMETRIC STUDY - REACTIONS
// In this example, we will analyse how different E-modules will result
// in different reaction forces in the supports holding a concrete plate.
// This example was last updated 2022-05-03, using the ver. 21.1.0 FEM-Design API.
// FILE PATH SETUP
// Set the different paths and folders relevant to the example
string struxmlPath = "sample_slab.struxml";
string outFolder = "output/";
if (!Directory.Exists(outFolder))
{
Directory.CreateDirectory(outFolder);
}
string bscPath = Path.GetFullPath("pointsupportreactions.bsc");
List <string> bscPaths = new List <string>();
bscPaths.Add(bscPath);
// READ MODEL
Model model = Model.DeserializeFromFilePath(struxmlPath);
// READ SLAB TO ANALYSE
// In this example, the slab is card-coded to no. 5; if you make any personal applications,
// it is probably better to look for a slab with a certain name, eg. P.1, to avoid confusion.
Shells.Slab slab = model.Entities.Slabs[4];
Materials.Material material = model.Entities.Slabs[4].Material;
double Ecm = Convert.ToDouble(material.Concrete.Ecm);
// ITERATION & ANALYSIS PROCESS
// Iterate over model using different E-modulus for the slab
for (int i = 1; i < 6; i++)
{
// Change E-modulus
double new_Ecm = Math.Round(0.2 * i * Ecm);
material.Concrete.Ecm = Convert.ToString(new_Ecm);
// Save struxml
string outPathIndividual = Path.GetFullPath(outFolder + "sample_slab_out" + Convert.ToString(new_Ecm) + ".struxml");
model.SerializeModel(outPathIndividual);
// Run analysis
Calculate.Analysis analysis = new Calculate.Analysis(null, null, null, null, calcCase: true, false, false, false, false, false, false, false, false, false, false, false, false);
FemDesign.Calculate.FdScript fdScript = FemDesign.Calculate.FdScript.Analysis(outPathIndividual, analysis, bscPaths, "", true);
Calculate.Application app = new Calculate.Application();
app.RunFdScript(fdScript, false, true, true);
string pointSupportReactionsPath = Path.Combine(outFolder, "pointsupportreactions.csv");
// Reading results (This method is only available for some result types as of now, but more will be added)
var results = Results.ResultsReader.Parse(pointSupportReactionsPath);
var pointSupportReactions = results.Cast <Results.PointSupportReaction>().ToList();
// Print results
Console.WriteLine();
Console.WriteLine($"Emean: {new_Ecm}");
Console.WriteLine("Id | Reaction ");
foreach (var reaction in pointSupportReactions)
{
Console.WriteLine($"{reaction.Id,10} | {reaction.Fz,10}");
}
}
// ENDING THE PROGRAM
Console.WriteLine("\nPress any key to close console.");
Console.ReadKey();
}
private static List <SkeletalMesh> LoadMesh(Package packageToSaveIn, Gltf model, List <byte[]> rawBuffers, Mesh mesh)
{
List <SkeletalMesh> meshes = new List <SkeletalMesh>();
for (int p = 0; p < mesh.Primitives.Length; p++)
{
var prim = mesh.Primitives[p];
if (prim.Mode != MeshPrimitive.ModeEnum.TRIANGLES)
{
throw new NotImplementedException("Modes other than TRIANGLES are not implemented (yet)");
}
Accessor positionAccessor = GetAccessorByType("POSITION", model, prim);
if (positionAccessor.Type != Accessor.TypeEnum.VEC3)
{
throw new InvalidDataException("POSITION accessor must have type VEC3");
}
Accessor normalAccessor = GetAccessorByType("NORMAL", model, prim);
if (normalAccessor != null &&
normalAccessor.Type != Accessor.TypeEnum.VEC3)
{
throw new InvalidDataException("NORMAL accessor must have type VEC3");
}
Accessor texcoordAccessor = GetAccessorByType("TEXCOORD_0", model, prim);
if (texcoordAccessor != null &&
texcoordAccessor.Type != Accessor.TypeEnum.VEC2)
{
throw new InvalidDataException("TEXCOORD accessor must have type VEC2");
}
Accessor tangentAccessor = GetAccessorByType("TANGENT", model, prim);
if (tangentAccessor != null &&
tangentAccessor.Type != Accessor.TypeEnum.VEC4)
{
throw new InvalidDataException("TANGENT accessor must have type VEC4");
}
Accessor weightsAccessor = GetAccessorByType("WEIGHTS_0", model, prim);
if (weightsAccessor != null &&
weightsAccessor.Type != Accessor.TypeEnum.VEC4)
{
throw new InvalidDataException("WEIGHTS_0 accessor must have type VEC4");
}
Accessor jointsAccessor = GetAccessorByType("JOINTS_0", model, prim);
if (jointsAccessor != null &&
jointsAccessor.Type != Accessor.TypeEnum.VEC4)
{
throw new InvalidDataException("JOINTS_0 accessor must have type VEC4");
}
SkinnedTangentVertex[] vertices = new SkinnedTangentVertex[positionAccessor.Count];
BufferView positionBufferView = model.BufferViews[positionAccessor.BufferView.Value];
BufferView normalsBufferView = null;
if (normalAccessor != null)
{
normalsBufferView = model.BufferViews[normalAccessor.BufferView.Value];
}
BufferView texCoordBufferView = null;
if (texcoordAccessor != null)
{
texCoordBufferView = model.BufferViews[texcoordAccessor.BufferView.Value];
}
BufferView tangentBufferView = null;
if (tangentAccessor != null)
{
tangentBufferView = model.BufferViews[tangentAccessor.BufferView.Value];
}
BufferView weightsBufferView = null;
if (weightsAccessor != null)
{
weightsBufferView = model.BufferViews[weightsAccessor.BufferView.Value];
}
BufferView jointsBufferView = null;
if (jointsAccessor != null)
{
jointsBufferView = model.BufferViews[jointsAccessor.BufferView.Value];
}
ReadOnlySpan <Vector3> positionSpan = MemoryMarshal.Cast <byte, Vector3>(
new ReadOnlySpan <byte>(rawBuffers[positionBufferView.Buffer], positionBufferView.ByteOffset + positionAccessor.ByteOffset, positionAccessor.Count * 12));
ReadOnlySpan <Vector3> normalsSpan = null;
if (normalsBufferView != null)
{
normalsSpan = MemoryMarshal.Cast <byte, Vector3>(
new ReadOnlySpan <byte>(rawBuffers[normalsBufferView.Buffer], normalsBufferView.ByteOffset + normalAccessor.ByteOffset, normalAccessor.Count * 12));
}
ReadOnlySpan <Vector2> texCoordSpan = null;
if (texCoordBufferView != null)
{
texCoordSpan = MemoryMarshal.Cast <byte, Vector2>(
new ReadOnlySpan <byte>(rawBuffers[texCoordBufferView.Buffer], texCoordBufferView.ByteOffset + texcoordAccessor.ByteOffset, texcoordAccessor.Count * 8));
}
ReadOnlySpan <Vector4> tangentSpan = null;
if (tangentBufferView != null)
{
tangentSpan = MemoryMarshal.Cast <byte, Vector4>(
new ReadOnlySpan <byte>(rawBuffers[tangentBufferView.Buffer], tangentBufferView.ByteOffset + tangentAccessor.ByteOffset, tangentAccessor.Count * 16));
}
ReadOnlySpan <Vector4> weightsSpan = null;
if (weightsBufferView != null)
{
weightsSpan = MemoryMarshal.Cast <byte, Vector4>(
new ReadOnlySpan <byte>(rawBuffers[weightsBufferView.Buffer], weightsBufferView.ByteOffset + weightsAccessor.ByteOffset, weightsAccessor.Count * 16));
}
ReadOnlySpan <Vector4> jointsSpan = null;
if (jointsBufferView != null)
{
jointsSpan = MemoryMarshal.Cast <byte, Vector4>(
new ReadOnlySpan <byte>(rawBuffers[jointsBufferView.Buffer], jointsBufferView.ByteOffset + jointsAccessor.ByteOffset, jointsAccessor.Count * 16));
}
for (int v = 0; v < vertices.Length; v++)
{
vertices[v].Position = positionSpan[v];
if (normalsSpan != null)
{
vertices[v].Normal = normalsSpan[v];
}
if (texCoordSpan != null)
{
vertices[v].TexCoord = texCoordSpan[v];
}
if (tangentSpan != null)
{
vertices[v].Tangent = new Vector3(tangentSpan[v].X, tangentSpan[v].Y, tangentSpan[v].Z);
if (normalsSpan != null)
{
vertices[v].BiTangent = Vector3.Cross(normalsSpan[v], vertices[v].Tangent) * tangentSpan[v].W;
}
}
}
SkeletalMesh skeletalMesh = new SkeletalMesh();
if (prim.Indices == null)
{
skeletalMesh = SkeletalMesh.FromVertices(vertices);
}
else
{
int primIndex = prim.Indices.Value;
Accessor indexAccessor = GetAccessorByIndex(primIndex, model);
if (indexAccessor != null)
{
if (indexAccessor.Type != Accessor.TypeEnum.SCALAR)
{
throw new InvalidDataException("Index accessor must have type SCALAR");
}
uint[] indices = new uint[indexAccessor.Count];
BufferView indexBufferView = model.BufferViews[indexAccessor.BufferView.Value];
switch (indexAccessor.ComponentType)
{
case Accessor.ComponentTypeEnum.UNSIGNED_BYTE:
{
ReadOnlySpan <byte> indexSpan =
new ReadOnlySpan <byte>(rawBuffers[indexBufferView.Buffer], indexBufferView.ByteOffset + indexAccessor.ByteOffset, indexAccessor.Count);
for (int idx = 0; idx < indices.Length; idx++)
{
indices[idx] = (uint)indexSpan[idx];
}
}
break;
case Accessor.ComponentTypeEnum.UNSIGNED_SHORT:
{
ReadOnlySpan <ushort> indexSpan = MemoryMarshal.Cast <byte, ushort>(
new ReadOnlySpan <byte>(rawBuffers[indexBufferView.Buffer], indexBufferView.ByteOffset + indexAccessor.ByteOffset, indexAccessor.Count * 2));
for (int idx = 0; idx < indices.Length; idx++)
{
indices[idx] = (uint)indexSpan[idx];
}
}
break;
case Accessor.ComponentTypeEnum.UNSIGNED_INT:
{
ReadOnlySpan <uint> indexSpan = MemoryMarshal.Cast <byte, uint>(
new ReadOnlySpan <byte>(rawBuffers[indexBufferView.Buffer], indexBufferView.ByteOffset + indexAccessor.ByteOffset, indexAccessor.Count * 4));
indices = indexSpan.ToArray();
}
break;
default:
throw new NotImplementedException("ComponentType " + indexAccessor.ComponentType + " not implemented.");
}
skeletalMesh = SkeletalMesh.FromVertices(vertices, indices);
}
}
skeletalMesh.Name = mesh.Name + "_" + p + ".skeletalMesh";
packageToSaveIn.StoreAsset(skeletalMesh);
meshes.Add(skeletalMesh);
Materials.Material material = CreateMaterialForMesh(prim, model);
skeletalMesh.Material = material;
}
return(meshes);
}
public static Bar TrussLimitedCapacity(Autodesk.DesignScript.Geometry.Line line, Materials.Material material, Sections.Section section, double maxCompression, double maxTension, bool compressionPlasticity, bool tensionPlasticity, [DefaultArgument("Autodesk.DesignScript.Geometry.Vector.ByCoordinates(0,0,0)")] Autodesk.DesignScript.Geometry.Vector localY, [DefaultArgument("true")] bool orientLCS, string identifier = "T")
{
// convert class
Geometry.Edge edge = Geometry.Edge.FromDynamoLine(line);
// create bar
var type = BarType.Truss;
Bar bar = new Bar(edge, type, material, section, identifier);
bar.MaxCompression = maxCompression;
bar.MaxTension = maxTension;
bar.CompressionPlasticity = compressionPlasticity;
bar.TensionPlasticity = tensionPlasticity;
// set local y-axis
if (!localY.Equals(Autodesk.DesignScript.Geometry.Vector.ByCoordinates(0, 0, 0)))
{
bar.BarPart.LocalY = FemDesign.Geometry.FdVector3d.FromDynamo(localY);
}
// else orient coordinate system to GCS
else
{
if (orientLCS)
{
bar.BarPart.OrientCoordinateSystemToGCS();
}
}
// return
return(bar);
}
private static void LoadMesh(AssetImporterGltfMeshContext context, int meshIndex, Matrix worldMatrix)
{
Mesh mesh = context.Model.Meshes[meshIndex];
for (int p = 0; p < mesh.Primitives.Length; p++)
{
var prim = mesh.Primitives[p];
if (prim.Mode != MeshPrimitive.ModeEnum.TRIANGLES)
{
throw new NotImplementedException("Modes other than TRIANGLES are not implemented (yet)");
}
Accessor positionAccessor = GetAccessorByType("POSITION", context.Model, prim);
if (positionAccessor.Type != Accessor.TypeEnum.VEC3)
{
throw new InvalidDataException("POSITION accessor must have type VEC3");
}
Accessor normalAccessor = GetAccessorByType("NORMAL", context.Model, prim);
if (normalAccessor != null &&
normalAccessor.Type != Accessor.TypeEnum.VEC3)
{
throw new InvalidDataException("NORMAL accessor must have type VEC3");
}
Accessor texcoordAccessor = GetAccessorByType("TEXCOORD_0", context.Model, prim);
if (texcoordAccessor != null &&
texcoordAccessor.Type != Accessor.TypeEnum.VEC2)
{
throw new InvalidDataException("TEXCOORD accessor must have type VEC2");
}
Accessor tangentAccessor = GetAccessorByType("TANGENT", context.Model, prim);
if (tangentAccessor != null &&
tangentAccessor.Type != Accessor.TypeEnum.VEC4)
{
throw new InvalidDataException("TANGENT accessor must have type VEC4");
}
TangentVertex[] vertices = new TangentVertex[positionAccessor.Count];
BufferView positionBufferView = context.Model.BufferViews[positionAccessor.BufferView.Value];
BufferView normalsBufferView = null;
if (normalAccessor != null)
{
normalsBufferView = context.Model.BufferViews[normalAccessor.BufferView.Value];
}
BufferView texCoordBufferView = null;
if (texcoordAccessor != null)
{
texCoordBufferView = context.Model.BufferViews[texcoordAccessor.BufferView.Value];
}
BufferView tangentBufferView = null;
if (tangentAccessor != null)
{
tangentBufferView = context.Model.BufferViews[tangentAccessor.BufferView.Value];
}
ReadOnlySpan <Vector3> positionSpan = MemoryMarshal.Cast <byte, Vector3>(
new ReadOnlySpan <byte>(context.RawBuffers[positionBufferView.Buffer], positionBufferView.ByteOffset + positionAccessor.ByteOffset, positionAccessor.Count * 12));
ReadOnlySpan <Vector3> normalsSpan = null;
if (normalsBufferView != null)
{
normalsSpan = MemoryMarshal.Cast <byte, Vector3>(
new ReadOnlySpan <byte>(context.RawBuffers[normalsBufferView.Buffer], normalsBufferView.ByteOffset + normalAccessor.ByteOffset, normalAccessor.Count * 12));
}
ReadOnlySpan <Vector2> texCoordSpan = null;
if (texCoordBufferView != null)
{
texCoordSpan = MemoryMarshal.Cast <byte, Vector2>(
new ReadOnlySpan <byte>(context.RawBuffers[texCoordBufferView.Buffer], texCoordBufferView.ByteOffset + texcoordAccessor.ByteOffset, texcoordAccessor.Count * 8));
}
ReadOnlySpan <Vector4> tangentSpan = null;
if (tangentBufferView != null)
{
tangentSpan = MemoryMarshal.Cast <byte, Vector4>(
new ReadOnlySpan <byte>(context.RawBuffers[tangentBufferView.Buffer], tangentBufferView.ByteOffset + tangentAccessor.ByteOffset, tangentAccessor.Count * 16));
}
for (int v = 0; v < vertices.Length; v++)
{
vertices[v].Position = positionSpan[v];
if (normalsSpan != null)
{
vertices[v].Normal = normalsSpan[v];
}
if (texCoordSpan != null)
{
vertices[v].TexCoord = texCoordSpan[v];
}
if (tangentSpan != null)
{
vertices[v].Tangent = new Vector3(tangentSpan[v].X, tangentSpan[v].Y, tangentSpan[v].Z);
if (normalsSpan != null)
{
vertices[v].BiTangent = Vector3.Cross(normalsSpan[v], vertices[v].Tangent) * tangentSpan[v].W;
}
}
}
StaticMesh staticMesh = null;
if (prim.Indices == null)
{
staticMesh = StaticMesh.FromVertices(vertices);
}
else
{
int primIndex = prim.Indices.Value;
Accessor indexAccessor = GetAccessorByIndex(primIndex, context.Model);
if (indexAccessor != null)
{
if (indexAccessor.Type != Accessor.TypeEnum.SCALAR)
{
throw new InvalidDataException("Index accessor must have type SCALAR");
}
uint[] indices = new uint[indexAccessor.Count];
BufferView indexBufferView = context.Model.BufferViews[indexAccessor.BufferView.Value];
switch (indexAccessor.ComponentType)
{
case Accessor.ComponentTypeEnum.UNSIGNED_BYTE:
{
ReadOnlySpan <byte> indexSpan =
new ReadOnlySpan <byte>(context.RawBuffers[indexBufferView.Buffer], indexBufferView.ByteOffset + indexAccessor.ByteOffset, indexAccessor.Count);
for (int idx = 0; idx < indices.Length; idx++)
{
indices[idx] = (uint)indexSpan[idx];
}
}
break;
case Accessor.ComponentTypeEnum.UNSIGNED_SHORT:
{
ReadOnlySpan <ushort> indexSpan = MemoryMarshal.Cast <byte, ushort>(
new ReadOnlySpan <byte>(context.RawBuffers[indexBufferView.Buffer], indexBufferView.ByteOffset + indexAccessor.ByteOffset, indexAccessor.Count * 2));
for (int idx = 0; idx < indices.Length; idx++)
{
indices[idx] = (uint)indexSpan[idx];
}
}
break;
case Accessor.ComponentTypeEnum.UNSIGNED_INT:
{
ReadOnlySpan <uint> indexSpan = MemoryMarshal.Cast <byte, uint>(
new ReadOnlySpan <byte>(context.RawBuffers[indexBufferView.Buffer], indexBufferView.ByteOffset + indexAccessor.ByteOffset, indexAccessor.Count * 4));
indices = indexSpan.ToArray();
}
break;
default:
throw new NotImplementedException("ComponentType " + indexAccessor.ComponentType + " not implemented.");
}
staticMesh = StaticMesh.FromVertices(vertices, indices);
}
}
staticMesh.Name = mesh.Name + "_" + p + ".staticMesh";
context.PackageToSaveIn.StoreAsset(staticMesh);
Materials.Material material = CreateMaterialForMesh(prim, context.Model);
staticMesh.Material = material;
context.ImportedAssets.Add(staticMesh);
}
}
public static Wire Define(double diameter, Materials.Material reinforcingMaterial, WireProfileType profile)
{
return(new Wire(diameter, reinforcingMaterial, profile));
}
/// <summary>
/// Construct SlabPart with EdgeConnections.
/// </summary>
public static SlabPart Define(string name, Geometry.Region region, List <Thickness> thickness, Materials.Material material, EdgeConnection shellEdgeConnection, ShellEccentricity eccentricity, ShellOrthotropy orthotropy)
{
// add edgeConnections to region
region.SetEdgeConnections(shellEdgeConnection);
// construct new slabPart
SlabPart slabPart = new SlabPart(name, region, thickness, material, eccentricity, orthotropy);
// return
return(slabPart);
}
/// <summary>
/// Create a default concrete shell with panels using a continuous analytical model.
/// </summary>
/// <param name="region">Panel region.</param>
/// <param name="externalEdgeConnection"></param>
/// <param name="material"></param>
/// <param name="section"></param>
/// <param name="identifier">Name of shell.</param>
/// <param name="orthotropy"></param>
/// <param name="ecc"></param>
/// <returns></returns>
public static Panel DefaultContreteContinuous(Geometry.Region region, EdgeConnection externalEdgeConnection, Materials.Material material, Sections.Section section, string identifier, double orthotropy, ShellEccentricity ecc)
{
Geometry.FdPoint3d anchorPoint = region.Contours[0].Edges[0].Points[0];
InternalPanel internalPanel = new InternalPanel(region);
InternalPanels internalPanels = new InternalPanels(internalPanel);
PanelType type = PanelType.Concrete;
string panelName = "A";
double gap = 0.003;
bool externalMovingLocal = externalEdgeConnection.MovingLocal;
return(new Panel(region, anchorPoint, internalPanels, externalEdgeConnection, type, material, section, identifier, panelName, gap, orthotropy, ecc, externalMovingLocal));
}
public static Panel ProfiledPlate(Autodesk.DesignScript.Geometry.Surface surface, Materials.Material material, Sections.Section section, [DefaultArgument("ShellEccentricity.Default()")] ShellEccentricity eccentricity, [DefaultArgument("1")] double orthoRatio, [DefaultArgument("EdgeConnection.Hinged()")] EdgeConnection edgeConnection, [DefaultArgument("Autodesk.DesignScript.Geometry.Vector.ByCoordinates(0,0,0)")] Autodesk.DesignScript.Geometry.Vector localX, [DefaultArgument("Autodesk.DesignScript.Geometry.Vector.ByCoordinates(0,0,0)")] Autodesk.DesignScript.Geometry.Vector localZ, [DefaultArgument("0")] double avgMeshSize, string identifier = "PP")
{
// convert geometry
Geometry.Region region = Geometry.Region.FromDynamo(surface);
// create panel
Panel obj = Panel.DefaultContreteContinuous(region, edgeConnection, material, section, identifier, orthoRatio, eccentricity);
// set local x-axis
if (!localX.Equals(Autodesk.DesignScript.Geometry.Vector.ByCoordinates(0, 0, 0)))
{
obj.LocalX = FemDesign.Geometry.FdVector3d.FromDynamo(localX);
}
// set local z-axis
if (!localZ.Equals(Autodesk.DesignScript.Geometry.Vector.ByCoordinates(0, 0, 0)))
{
obj.LocalZ = FemDesign.Geometry.FdVector3d.FromDynamo(localZ);
}
// set mesh
obj.UniformAvgMeshSize = avgMeshSize;
// return
return(obj);
}
public override void SetMaterial(Materials.Material mm)
{
m.SetMaterial(mm);
}
public static Bar Modify(Bar bar, [DefaultArgument("false")] bool newGuid, [DefaultArgument("null")] Autodesk.DesignScript.Geometry.Curve curve, [DefaultArgument("null")] Materials.Material material, [DefaultArgument("null")] Sections.Section[] section, [DefaultArgument("null")] Connectivity[] connectivity, [DefaultArgument("null")] Eccentricity[] eccentricity, [DefaultArgument("null")] Autodesk.DesignScript.Geometry.Vector localY, [DefaultArgument("false")] bool orientLCS, [DefaultArgument("null")] string identifier)
{
if (bar.BarPart.HasComplexCompositeRef || bar.BarPart.HasDeltaBeamComplexSectionRef)
{
throw new System.Exception("Composite Section in the model.The object has not been implemented yet. Please, get in touch if needed.");
}
else
{
bar = bar.DeepClone();
if (newGuid)
{
bar.EntityCreated();
bar.BarPart.EntityCreated();
}
if (curve != null)
{
// convert geometry
Geometry.Edge edge = Geometry.Edge.FromDynamoLineOrArc2(curve);
// update edge
bar.BarPart.Edge = edge;
}
if (material != null)
{
bar.BarPart.ComplexMaterialObj = material;
}
if (section != null)
{
bar.BarPart.ComplexSectionObj.Sections = section;
}
if (connectivity != null)
{
bar.BarPart.Connectivity = connectivity;
}
if (eccentricity != null)
{
bar.BarPart.ComplexSectionObj.Eccentricities = eccentricity;
}
if (localY != null)
{
bar.BarPart.LocalY = Geometry.FdVector3d.FromDynamo(localY);
}
if (orientLCS)
{
bar.BarPart.OrientCoordinateSystemToGCS();
}
if (identifier != null)
{
bar.Identifier = identifier;
bar.BarPart.Identifier = bar.Identifier;
}
return(bar);
}
}
/// <summary>
/// Construct SlabPart.
/// </summary>
public SlabPart(string name, Geometry.Region region, List <Thickness> thickness, Materials.Material complexMaterial, ShellEccentricity alignment, ShellOrthotropy orthotropy)
{
this.EntityCreated();
this.Name = name;
this.Region = region;
this.ComplexMaterial = complexMaterial.Guid;
this.Alignment = alignment.Alignment;
this.AlignOffset = alignment.Eccentricity;
this.OrthoAlfa = orthotropy.OrthoAlfa;
this.OrthoRatio = orthotropy.OrthoRatio;
this.EccentricityCalculation = alignment.EccentricityCalculation;
this.EccentricityByCracking = alignment.EccentricityByCracking;
this.Thickness = thickness;
this.LocalPos = region.CoordinateSystem.Origin;
this._localX = region.CoordinateSystem.LocalX;
this._localY = region.CoordinateSystem.LocalY;
this.End = "";
}
/// <summary>
/// Construct standard panel with "Continuous" analytical model.
/// </summary>
/// <param name="region">Region of shell containing panels.</param>
/// <param name="localX">Direction of panels.</param>
/// <param name="anchorPoint"></param>
/// <param name="externalRigidity">Default value for shell border EdgeConnections. Can be overwritten by EdgeConnection for each specific edge in Region.</param>
/// <param name="type">Type of panel.</param>
/// <param name="complexMaterial">Guid reference to material.</param>
/// <param name="complexSection">Guid reference to complex section.</param>
/// <param name="identifier">Name of shell.</param>
/// <param name="panelName">Name of panel.</param>
/// <param name="gap">Gap between panels.</param>
/// <param name="orthotropy">Orthotropy.</param>
/// <param name="ecc">ShellEccentricity.</param>
/// <param name="externalMovingLocal">EdgeConnection LCS changes along edge?</param>
internal Panel(Geometry.Region region, Geometry.FdPoint3d anchorPoint, InternalPanels internalPanels, EdgeConnection externalEdgeConnection, PanelType type, Materials.Material material, Sections.Section section, string identifier, string panelName, double gap, double orthotropy, ShellEccentricity ecc, bool externalMovingLocal)
{
this.EntityCreated();
// elements
this.Region = region;
this.CoordinateSystem = region.CoordinateSystem;
this.AnchorPoint = anchorPoint;
this.InternalPanels = internalPanels;
this.ExternalRigidity = externalEdgeConnection.Rigidity;
// set edge connections
this.SetExternalEdgeConnections(externalEdgeConnection);
// attributes
this.Type = type;
this.Material = material; // note that material and section are not added directly to complexMaterial and complexSection fields.
this.Section = section;
this.Identifier = identifier;
this.PanelName = panelName;
this.Gap = gap;
this.Orthotropy = orthotropy;
this.Alignment = ecc.Alignment;
this.AlignOffset = ecc.Eccentricity;
this.EccentricityCalculation = ecc.EccentricityCalculation;
this.EccentricityByCracking = ecc.EccentricityByCracking;
this.ExternalMovingLocal = externalMovingLocal;
}
