internal override DSGeometry TransformBy(ICoordinateSystemEntity csEntity)
{
DSSubDivisionMesh mesh = base.TransformBy(csEntity) as DSSubDivisionMesh;
mesh.SubDivisionLevel = this.SubDivisionLevel;
return(mesh);
}
protected override DSGeometry Translate(DSVector offset)
{
DSSubDivisionMesh mesh = base.Translate(offset) as DSSubDivisionMesh;
if (null != mesh)
{
mesh.SubDivisionLevel = SubDivisionLevel;
}
return(mesh);
}
public IContextData[] ImportData(Dictionary <string, object> connectionParameters)
{
List <DSGeometry> geometryList = new List <DSGeometry>();
DSGeometry[] geometry = null;
foreach (var param in connectionParameters)
{
switch (param.Key)
{
case "OBJ":
geometry = DSSubDivisionMesh.ImportFromOBJ(Convert.ToString(param.Value));
break;
case "SAT":
geometry = DSGeometry.ImportFromSAT(Convert.ToString(param.Value));
break;
default:
if (param.Value.GetType().IsArray)
{
Array data = param.Value as Array;
geometry = GeometryDataSerializer.CreateGeometryFromData(param.Key, data);
}
break;
}
if (null != geometry && geometry.Length > 0)
{
geometryList.AddRange(geometry);
}
}
int nItems = geometryList.Count;
if (nItems == 0)
{
return(null);
}
IContextData[] contextData = new IContextData[nItems];
for (int i = 0; i < nItems; ++i)
{
contextData[i] = new GeometryData("ImportData", geometryList[i], this);
}
return(contextData);
}
/// <summary>
/// Creates a SubDivisionMesh from Solid or Surface geometry by faceting
/// the faces of Solid or Surface.
/// </summary>
/// <param name="context">Input geometry, Solid or Surface.</param>
/// <param name="maxEdgeLength">Maximum allowed edge length
/// to define coarseness of the mesh.</param>
/// <returns>SubDivisionMesh</returns>
public static DSSubDivisionMesh FromGeometry(DSGeometry context, double maxEdgeLength)
{
string kMethodName = "DSSubDivisionMesh.FromGeometry";
if (null == context)
{
throw new System.ArgumentNullException("context");
}
ISubDMeshEntity entity = HostFactory.Factory.SubDMeshFromGeometry(context.GeomEntity, maxEdgeLength);
if (null == entity)
{
throw new System.InvalidOperationException(string.Format(Properties.Resources.OperationFailed, kMethodName));
}
DSSubDivisionMesh mesh = new DSSubDivisionMesh(entity, true);
mesh.Context = context;
mesh.SubDivisionLevel = 0;
return(mesh);
}
/// <summary>
/// Constructs a subdivision mesh by vertex shading, given an input
/// array of vertex points and an input array of faces defined by a set
/// of numbers, which are the indices of the vertices in the 'vertices'
/// array making up the face.
/// </summary>
/// <param name="vertices">Input array of vertex points</param>
/// <param name="faceIndices">Input array of faces indices for each
/// vertex </param>
/// <param name="vertexNormals">Input array of vertex normals</param>
/// <param name="vertexColors">Input array of color assigned to each
/// vertex </param>
/// <param name="subDivisionLevel">Initial smoothness level, subDivisionLevel must
/// have a value greater than or equal to 0 and less than 5.</param>
/// <returns>SubDivisionMesh</returns>
public static DSSubDivisionMesh ByVerticesFaceIndices(DSPoint[] vertices,
int[][] faceIndices, DSVector[] vertexNormals, DSColor[] vertexColors, int subDivisionLevel)
{
string kMethodName = "DSSubDivisionMesh.ByVerticesFaceIndices";
if (subDivisionLevel < 0 || subDivisionLevel >= 5)
{
throw new System.ArgumentException(string.Format(Properties.Resources.InvalidInput, "subDivisionLevel", kMethodName));
}
IPointEntity[] points = vertices.ConvertAll(DSGeometryExtension.ToEntity <DSPoint, IPointEntity>);
if (points.Length < 3 || points.ArePointsColinear())
{
throw new System.ArgumentException(string.Format(Properties.Resources.InvalidInput, "vertices", kMethodName));
}
ISubDMeshEntity entity = HostFactory.Factory.SubDMeshByVerticesFaceIndices(points, faceIndices, subDivisionLevel);
if (null == entity)
{
throw new System.InvalidOperationException(string.Format(Properties.Resources.OperationFailed, kMethodName));
}
DSSubDivisionMesh mesh = new DSSubDivisionMesh(entity, true);
try
{
if (null != vertexNormals && vertexNormals.Length > 0)
{
if (vertexNormals.Length != entity.GetNumVertices())
{
throw new System.ArgumentException(string.Format(Properties.Resources.NotEqual, "size of vertexNormals", "number of vertices"), "vertexNormals");
}
if (!entity.UpdateSubDMeshNormals(vertexNormals.ConvertAll((DSVector v) => v.IVector)))
{
throw new System.InvalidOperationException(string.Format(Properties.Resources.OperationFailed, kMethodName));
}
}
if (null != vertexColors && vertexColors.Length > 0)
{
if (subDivisionLevel > 0)
{
throw new System.InvalidOperationException(Properties.Resources.VertexColorNotSupported);
}
if (vertexColors.Length != entity.GetNumVertices())
{
throw new System.ArgumentException(string.Format(Properties.Resources.NotEqual, "size of vertexColors", "number of vertices"), "vertexColors");
}
if (!entity.UpdateSubDMeshColors(vertexColors.ConvertAll((DSColor c) => c.IColor)))
{
throw new System.InvalidOperationException(string.Format(Properties.Resources.OperationFailed, kMethodName));
}
}
}
catch (System.Exception ex)
{
mesh.Dispose();
throw ex;
}
mesh.SubDivisionLevel = subDivisionLevel;
return(mesh);
}
/// <summary>
/// Creates a SubDivisionMesh from Solid or Surface geometry by faceting
/// the faces of Solid or Surface.
/// </summary>
/// <param name="context">Input geometry, Solid or Surface.</param>
/// <param name="maxEdgeLength">Maximum allowed edge length
/// to define coarseness of the mesh.</param>
/// <returns>SubDivisionMesh</returns>
public static DSSubDivisionMesh FromGeometry(DSGeometry context, double maxEdgeLength)
{
string kMethodName = "DSSubDivisionMesh.FromGeometry";
if (null == context)
throw new System.ArgumentNullException("context");
ISubDMeshEntity entity = HostFactory.Factory.SubDMeshFromGeometry(context.GeomEntity, maxEdgeLength);
if(null == entity)
throw new System.InvalidOperationException(string.Format(Properties.Resources.OperationFailed, kMethodName));
DSSubDivisionMesh mesh = new DSSubDivisionMesh(entity, true);
mesh.Context = context;
mesh.SubDivisionLevel = 0;
return mesh;
}
/// <summary>
/// Exports the SubDivision meshes provided by the user to an .Obj file. Each Subvision Mesh
/// is represented by a group. Groups are automatically named.
/// </summary>
/// <param name="mesh">The SubDivision Mesh array to be exported in one file</param>
/// <param name="filePath">The meshes are exported to this file Path, or the active directory if only file name is provided</param>
/// <returns></returns>
public static bool ExportToOBJ(DSSubDivisionMesh[] mesh, string filePath)
{
if (mesh == null || mesh.Length == 0)
throw new System.ArgumentNullException("mesh");
if (string.IsNullOrWhiteSpace(filePath))
throw new System.ArgumentNullException("filePath");
DSMeshData meshData = new DSMeshData();
for (int i = 0; i < mesh.Length; ++i)
{
meshData.AddGroup("Group_" + i);
foreach (var vertices in mesh[i].FaceIndices)
{
for (int j = 0; j < vertices.Length; ++j)
vertices[j] += meshData.Vertices.Count + 1;
meshData.Groups[i].AddFace(vertices);
}
meshData.Vertices.AddRange(mesh[i].Vertices);
}
if (!filePath.EndsWith(".obj"))
filePath += ".obj";
if (!Path.IsPathRooted(filePath))
{
string foldername = Path.GetDirectoryName(DSGeometrySettings.RootModulePath);
filePath = Path.Combine(foldername, filePath);
}
return ObjHandler.Export(meshData, filePath);
}
/// <summary>
/// Constructs a subdivision mesh by vertex shading, given an input
/// array of vertex points and an input array of faces defined by a set
/// of numbers, which are the indices of the vertices in the 'vertices'
/// array making up the face.
/// </summary>
/// <param name="vertices">Input array of vertex points</param>
/// <param name="faceIndices">Input array of faces indices for each
/// vertex </param>
/// <param name="vertexNormals">Input array of vertex normals</param>
/// <param name="vertexColors">Input array of color assigned to each
/// vertex </param>
/// <param name="subDivisionLevel">Initial smoothness level, subDivisionLevel must
/// have a value greater than or equal to 0 and less than 5.</param>
/// <returns>SubDivisionMesh</returns>
public static DSSubDivisionMesh ByVerticesFaceIndices(DSPoint[] vertices,
int[][] faceIndices, DSVector[] vertexNormals, DSColor[] vertexColors, int subDivisionLevel)
{
string kMethodName = "DSSubDivisionMesh.ByVerticesFaceIndices";
if (subDivisionLevel < 0 || subDivisionLevel >= 5)
throw new System.ArgumentException(string.Format(Properties.Resources.InvalidInput, "subDivisionLevel", kMethodName));
IPointEntity[] points = vertices.ConvertAll(DSGeometryExtension.ToEntity<DSPoint, IPointEntity>);
if (points.Length < 3 || points.ArePointsColinear())
throw new System.ArgumentException(string.Format(Properties.Resources.InvalidInput, "vertices", kMethodName));
ISubDMeshEntity entity = HostFactory.Factory.SubDMeshByVerticesFaceIndices(points, faceIndices, subDivisionLevel);
if (null == entity)
throw new System.InvalidOperationException(string.Format(Properties.Resources.OperationFailed, kMethodName));
DSSubDivisionMesh mesh = new DSSubDivisionMesh(entity, true);
try
{
if (null != vertexNormals && vertexNormals.Length > 0)
{
if (vertexNormals.Length != entity.GetNumVertices())
throw new System.ArgumentException(string.Format(Properties.Resources.NotEqual, "size of vertexNormals", "number of vertices"), "vertexNormals");
if (!entity.UpdateSubDMeshNormals(vertexNormals.ConvertAll((DSVector v)=>v.IVector)))
throw new System.InvalidOperationException(string.Format(Properties.Resources.OperationFailed, kMethodName));
}
if (null != vertexColors && vertexColors.Length > 0)
{
if (subDivisionLevel > 0)
throw new System.InvalidOperationException(Properties.Resources.VertexColorNotSupported);
if (vertexColors.Length != entity.GetNumVertices())
throw new System.ArgumentException(string.Format(Properties.Resources.NotEqual, "size of vertexColors", "number of vertices"), "vertexColors");
if (!entity.UpdateSubDMeshColors(vertexColors.ConvertAll((DSColor c)=>c.IColor)))
throw new System.InvalidOperationException(string.Format(Properties.Resources.OperationFailed, kMethodName));
}
}
catch (System.Exception ex)
{
mesh.Dispose();
throw ex;
}
mesh.SubDivisionLevel = subDivisionLevel;
return mesh;
}
