internal override Geometry TransformBy(ICoordinateSystemEntity csEntity)
{
SubDivisionMesh mesh = base.TransformBy(csEntity) as SubDivisionMesh;
mesh.SubDivisionLevel = this.SubDivisionLevel;
return(mesh);
}
protected override Geometry Translate(Vector offset)
{
SubDivisionMesh mesh = base.Translate(offset) as SubDivisionMesh;
if (null != mesh)
{
mesh.SubDivisionLevel = SubDivisionLevel;
}
return(mesh);
}
public IContextData[] ImportData(Dictionary <string, object> connectionParameters)
{
List <Geometry> geometryList = new List <Geometry>();
Geometry[] geometry = null;
foreach (var param in connectionParameters)
{
switch (param.Key)
{
case "OBJ":
geometry = SubDivisionMesh.ImportFromOBJ(Convert.ToString(param.Value));
break;
case "SAT":
geometry = Geometry.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 SubDivisionMesh FromGeometry(Geometry context, double maxEdgeLength)
{
string kMethodName = "SubDivisionMesh.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));
}
SubDivisionMesh mesh = new SubDivisionMesh(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 SubDivisionMesh ByVerticesFaceIndices(Point[] vertices,
int[][] faceIndices, Vector[] vertexNormals, Color[] vertexColors, int subDivisionLevel)
{
string kMethodName = "SubDivisionMesh.ByVerticesFaceIndices";
if (subDivisionLevel < 0 || subDivisionLevel >= 5)
{
throw new System.ArgumentException(string.Format(Properties.Resources.InvalidInput, "subDivisionLevel", kMethodName));
}
IPointEntity[] points = vertices.ConvertAll(GeometryExtension.ToEntity <Point, 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));
}
SubDivisionMesh mesh = new SubDivisionMesh(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((Vector 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((Color 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);
}
