private void btnConstructMultiTriMesh_Click(object sender, EventArgs e)
{
try
{
if (gfactory == null)
gfactory = new GeometryFactory();
multiTriMesh = gfactory.CreateGeometry(gviGeometryType.gviGeometryMultiTrimesh, gviVertexAttribute.gviVertexAttributeZ) as IMultiTriMesh;
if (multiTriMesh == null)
return;
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));
}
triMesh.AddTriangle(vertices[0] as ITopoNode, vertices[1] as ITopoNode, vertices[2] as ITopoNode);
triMesh.AddTriangle(vertices[2] as ITopoNode, vertices[1] as ITopoNode, vertices[3] as ITopoNode);
triMesh.AddTriangle(vertices[3] as ITopoNode, vertices[1] as ITopoNode, vertices[4] as ITopoNode);
triMesh.AddTriangle(vertices[3] as ITopoNode, vertices[4] as ITopoNode, vertices[5] as ITopoNode);
triMesh.AddTriangle(vertices[5] as ITopoNode, vertices[4] as ITopoNode, vertices[6] as ITopoNode);
triMesh.AddTriangle(vertices[5] as ITopoNode, vertices[6] as ITopoNode, vertices[7] as ITopoNode);
triMesh.AddTriangle(vertices[7] as ITopoNode, vertices[6] as ITopoNode, vertices[8] as ITopoNode);
triMesh.AddTriangle(vertices[7] as ITopoNode, vertices[8] as ITopoNode, vertices[9] as ITopoNode);
triMesh.AddTriangle(vertices[7] as ITopoNode, vertices[9] as ITopoNode, vertices[10] as ITopoNode);
triMesh.AddTriangle(vertices[10] as ITopoNode, vertices[9] as ITopoNode, vertices[11] as ITopoNode);
triMesh.AddTriangle(vertices[10] as ITopoNode, vertices[11] as ITopoNode, vertices[12] as ITopoNode);
triMesh.AddTriangle(vertices[13] as ITopoNode, vertices[10] as ITopoNode, vertices[12] as ITopoNode);
triMesh.AddTriangle(vertices[13] as ITopoNode, vertices[14] as ITopoNode, vertices[10] as ITopoNode);
triMesh.AddTriangle(vertices[13] as ITopoNode, vertices[15] as ITopoNode, vertices[14] as ITopoNode);
triMesh.AddTriangle(vertices[15] as ITopoNode, vertices[16] as ITopoNode, vertices[14] as ITopoNode);
triMesh.AddTriangle(vertices[16] as ITopoNode, vertices[5] as ITopoNode, vertices[14] as ITopoNode);
triMesh.AddTriangle(vertices[3] as ITopoNode, vertices[5] as ITopoNode, vertices[16] as ITopoNode);
triMesh.AddTriangle(vertices[2] as ITopoNode, vertices[3] as ITopoNode, vertices[16] as ITopoNode);
multiTriMesh.AddGeometry(triMesh);
MultiSurface geo = new MultiSurface();
// Geometry属性
geo.Dimension = multiTriMesh.Dimension;
if (multiTriMesh.Envelope != null)
{
geo.MaxX = multiTriMesh.Envelope.MaxX;
geo.MaxY = multiTriMesh.Envelope.MaxY;
geo.MaxZ = multiTriMesh.Envelope.MaxZ;
geo.MinX = multiTriMesh.Envelope.MinX;
geo.MinY = multiTriMesh.Envelope.MinY;
geo.MinZ = multiTriMesh.Envelope.MinZ;
}
geo.GeometryType = multiTriMesh.GeometryType;
geo.IsEmpty = multiTriMesh.IsEmpty;
geo.IsValid = multiTriMesh.IsValid;
geo.VertexAttribute = multiTriMesh.VertexAttribute;
geo.HasId = multiTriMesh.HasId();
geo.HasM = multiTriMesh.HasM();
geo.HasZ = multiTriMesh.HasZ();
// GeometryCollection属性
geo.GeometryCount = multiTriMesh.GeometryCount;
geo.IsOverlap = multiTriMesh.IsOverlap;
// MultiSurface属性
geo.Area = multiTriMesh.GetArea();
this.propertyGrid1.SelectedObject = geo;
}
catch (System.Exception ex)
{
System.Diagnostics.Trace.WriteLine(ex.Message);
}
}
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;
}