private void btnConstructClosedTriMesh_Click(object sender, EventArgs e)
{
if (gfactory == null)
gfactory = new GeometryFactory();
closedTriMesh = gfactory.CreateGeometry(gviGeometryType.gviGeometryClosedTriMesh, gviVertexAttribute.gviVertexAttributeZ) as IClosedTriMesh;
if (closedTriMesh == null)
return;
string tmpFile = (strMediaPath + @"\off");
if (File.Exists(String.Format("{0}\\oblong.off", tmpFile)))
{
StreamReader sr = new StreamReader(String.Format("{0}\\oblong.off", tmpFile));
sr.ReadLine();
string countParameter = sr.ReadLine(); //点数 面数
string[] countParameters = countParameter.Split(' ');
int nPointsCount = int.Parse(countParameters[0]);
int nFacetsCount = int.Parse(countParameters[1]);
if (nPointsCount == 0 && nFacetsCount == 0)
{
sr.Close();
return;
}
sr.ReadLine();
ArrayList vertices = new ArrayList(); //ITopoNode数组
point = gfactory.CreatePoint(gviVertexAttribute.gviVertexAttributeZ);
for (int i = 0; i < nPointsCount; ++i)
{
string[] pointCoords = sr.ReadLine().Split(' ');
double dx = double.Parse(pointCoords[0]);
double dy = double.Parse(pointCoords[1]);
double dz = double.Parse(pointCoords[2]);
point.SetCoords(dx, dy, dz, 0, 0);
vertices.Add(closedTriMesh.AddPoint(point));
}
ArrayList facets = new ArrayList(); //ITopoFacet数组
for (int j = 0; j < nFacetsCount; ++j)
{
string[] facetParas = sr.ReadLine().Split(' ');
int nFirst = int.Parse(facetParas[1]);
int nSecond = int.Parse(facetParas[2]);
int nThird = int.Parse(facetParas[3]);
facets.Add(closedTriMesh.AddTriangle(vertices[nFirst] as ITopoNode, vertices[nSecond] as ITopoNode, vertices[nThird] as ITopoNode));
}
sr.Close();
}
TriMesh geo = new TriMesh();
// Geometry属性
geo.Dimension = closedTriMesh.Dimension;
if (closedTriMesh.Envelope != null)
{
geo.MaxX = closedTriMesh.Envelope.MaxX;
geo.MaxY = closedTriMesh.Envelope.MaxY;
geo.MaxZ = closedTriMesh.Envelope.MaxZ;
geo.MinX = closedTriMesh.Envelope.MinX;
geo.MinY = closedTriMesh.Envelope.MinY;
geo.MinZ = closedTriMesh.Envelope.MinZ;
}
geo.GeometryType = closedTriMesh.GeometryType;
geo.IsEmpty = closedTriMesh.IsEmpty;
geo.IsValid = closedTriMesh.IsValid;
geo.VertexAttribute = closedTriMesh.VertexAttribute;
geo.HasId = closedTriMesh.HasId();
geo.HasM = closedTriMesh.HasM();
geo.HasZ = closedTriMesh.HasZ();
// Surface属性
if (closedTriMesh.Centroid != null)
{
geo.CentroidX = closedTriMesh.Centroid.X;
geo.CentroidY = closedTriMesh.Centroid.Y;
geo.CentroidZ = closedTriMesh.Centroid.Z;
}
geo.IsClosed = closedTriMesh.IsClosed;
if (closedTriMesh.PointOnSurface != null)
{
geo.PointOnSurfaceX = closedTriMesh.PointOnSurface.X;
geo.PointOnSurfaceY = closedTriMesh.PointOnSurface.Y;
geo.PointOnSurfaceZ = closedTriMesh.PointOnSurface.Z;
}
// TriMesh属性
geo.DirectedEdgeCount = closedTriMesh.DirectedEdgeCount;
geo.FacetCount = closedTriMesh.FacetCount;
geo.VertexCount = closedTriMesh.VertexCount;
this.propertyGrid1.SelectedObject = geo;
}
private void btnConstructTriMesh_Click(object sender, EventArgs e)
{
if (gfactory == null)
gfactory = new GeometryFactory();
triMesh = gfactory.CreateGeometry(gviGeometryType.gviGeometryTriMesh, gviVertexAttribute.gviVertexAttributeZ) as ITriMesh;
if (triMesh == null)
return;
ArrayList vertices = new ArrayList(); //ITopoNode数组
point = gfactory.CreatePoint(gviVertexAttribute.gviVertexAttributeZ);
for (int i = 0; i < 17; ++i)
{
point.SetCoords(i, i, i, 0, 0);
vertices.Add(triMesh.AddPoint(point));
}
point.SetCoords(100, 100, 100, 0, 0);
triMesh.AddPoint(point);
ArrayList facets = new ArrayList(); //ITopoFacet数组
facets.Add(triMesh.AddTriangle(vertices[0] as ITopoNode, vertices[1] as ITopoNode, vertices[2] as ITopoNode));
facets.Add(triMesh.AddTriangle(vertices[2] as ITopoNode, vertices[1] as ITopoNode, vertices[3] as ITopoNode));
facets.Add(triMesh.AddTriangle(vertices[3] as ITopoNode, vertices[1] as ITopoNode, vertices[4] as ITopoNode));
facets.Add(triMesh.AddTriangle(vertices[3] as ITopoNode, vertices[4] as ITopoNode, vertices[5] as ITopoNode));
facets.Add(triMesh.AddTriangle(vertices[5] as ITopoNode, vertices[4] as ITopoNode, vertices[6] as ITopoNode));
facets.Add(triMesh.AddTriangle(vertices[5] as ITopoNode, vertices[6] as ITopoNode, vertices[7] as ITopoNode));
facets.Add(triMesh.AddTriangle(vertices[7] as ITopoNode, vertices[6] as ITopoNode, vertices[8] as ITopoNode));
facets.Add(triMesh.AddTriangle(vertices[7] as ITopoNode, vertices[8] as ITopoNode, vertices[9] as ITopoNode));
facets.Add(triMesh.AddTriangle(vertices[7] as ITopoNode, vertices[9] as ITopoNode, vertices[10] as ITopoNode));
facets.Add(triMesh.AddTriangle(vertices[10] as ITopoNode, vertices[9] as ITopoNode, vertices[11] as ITopoNode));
facets.Add(triMesh.AddTriangle(vertices[10] as ITopoNode, vertices[11] as ITopoNode, vertices[12] as ITopoNode));
facets.Add(triMesh.AddTriangle(vertices[13] as ITopoNode, vertices[10] as ITopoNode, vertices[12] as ITopoNode));
facets.Add(triMesh.AddTriangle(vertices[13] as ITopoNode, vertices[14] as ITopoNode, vertices[10] as ITopoNode));
facets.Add(triMesh.AddTriangle(vertices[13] as ITopoNode, vertices[15] as ITopoNode, vertices[14] as ITopoNode));
facets.Add(triMesh.AddTriangle(vertices[15] as ITopoNode, vertices[16] as ITopoNode, vertices[14] as ITopoNode));
facets.Add(triMesh.AddTriangle(vertices[16] as ITopoNode, vertices[5] as ITopoNode, vertices[14] as ITopoNode));
facets.Add(triMesh.AddTriangle(vertices[3] as ITopoNode, vertices[5] as ITopoNode, vertices[16] as ITopoNode));
facets.Add(triMesh.AddTriangle(vertices[2] as ITopoNode, vertices[3] as ITopoNode, vertices[16] as ITopoNode));
TriMesh geo = new TriMesh();
// Geometry属性
geo.Dimension = triMesh.Dimension;
if (triMesh.Envelope != null)
{
geo.MaxX = triMesh.Envelope.MaxX;
geo.MaxY = triMesh.Envelope.MaxY;
geo.MaxZ = triMesh.Envelope.MaxZ;
geo.MinX = triMesh.Envelope.MinX;
geo.MinY = triMesh.Envelope.MinY;
geo.MinZ = triMesh.Envelope.MinZ;
}
geo.GeometryType = triMesh.GeometryType;
geo.IsEmpty = triMesh.IsEmpty;
geo.IsValid = triMesh.IsValid;
geo.VertexAttribute = triMesh.VertexAttribute;
geo.HasId = triMesh.HasId();
geo.HasM = triMesh.HasM();
geo.HasZ = triMesh.HasZ();
// Surface属性
if (triMesh.Centroid != null)
{
geo.CentroidX = triMesh.Centroid.X;
geo.CentroidY = triMesh.Centroid.Y;
geo.CentroidZ = triMesh.Centroid.Z;
}
geo.IsClosed = triMesh.IsClosed;
if (triMesh.PointOnSurface != null)
{
geo.PointOnSurfaceX = triMesh.PointOnSurface.X;
geo.PointOnSurfaceY = triMesh.PointOnSurface.Y;
geo.PointOnSurfaceZ = triMesh.PointOnSurface.Z;
}
// TriMesh属性
geo.DirectedEdgeCount = triMesh.DirectedEdgeCount;
geo.FacetCount = triMesh.FacetCount;
geo.VertexCount = triMesh.VertexCount;
this.propertyGrid1.SelectedObject = geo;
}