public override bool Run(FeatureContext context)
{
var points = new List <Vector3>();
points.Add(new Vector3(0, 0, 0));
points.Add(new Vector3(50, 0, 0));
points.Add(new Vector3(100, 0, 0));
points.Add(new Vector3(0, 50, 0));
points.Add(new Vector3(50, 50, 5));
points.Add(new Vector3(100, 50, -5));
points.Add(new Vector3(0, 150, 5));
points.Add(new Vector3(50, 150, -5));
points.Add(new Vector3(100, 150, 0));
TopoShape face = GlobalInstance.BrepTools.MakeSurfaceFromPoints(points, 3, 3);
context.ShowGeometry(face);
TopoShapeProperty property = new TopoShapeProperty();
property.SetShape(face);
MessageBox.Show(String.Format("Area: {0}", property.SurfaceArea()));
return(true);
}
public Solid(TopoShape solid)
{
BoundingBox = solid.GetBBox();
var faces = GlobalInstance.TopoExplor.ExplorFaces(solid);
TopoShapeProperty prop = new TopoShapeProperty();
List <FaceInfo> dictFaceByArea = new List <FaceInfo>();
for (int ii = 0; ii < faces.Size(); ++ii)
{
var face = faces.GetAt(ii);
prop.SetShape(face);
double area = prop.SurfaceArea();
var faceInfo = new FaceInfo(face, ii, area);
dictFaceByArea.Add(faceInfo);
Faces.Add(ii, faceInfo);
}
dictFaceByArea.Sort((a, b) =>
{
return((int)((b.Area - a.Area) * 1000));
});
var baseFace = dictFaceByArea[0];
foreach (var item in baseFace.Edges)
{
EdgeGroup eg = new EdgeGroup(item.Value);
EdgeGroups.Add(eg);
}
for (int ii = 2; ii < dictFaceByArea.Count; ++ii)
{
var faceInfo = dictFaceByArea[ii];
if (AddLongFace(faceInfo))
{
continue;
}
AddSideFace(faceInfo);
}
}
private void surfaceToolStripMenuItem_Click(object sender, EventArgs e)
{
LineStyle lineStyle = new LineStyle();
lineStyle.SetLineWidth(0.5f);
lineStyle.SetColor(ColorValue.RED);
Vector3List points = new Vector3List();
points.Add(new Vector3(0, 0, 0));
points.Add(new Vector3(50, 0, 0));
points.Add(new Vector3(100, 0, 0));
points.Add(new Vector3(0, 50, 0));
points.Add(new Vector3(50, 50, 5));
points.Add(new Vector3(100, 50, -5));
points.Add(new Vector3(0, 150, 5));
points.Add(new Vector3(50, 150, -5));
points.Add(new Vector3(100, 150, 0));
TopoShape face = GlobalInstance.BrepTools.MakeSurfaceFromPoints(points, 3, 3);
renderView.ShowGeometry(face, ++shapeId);
GeomeSurface surface = new GeomeSurface();
surface.Initialize(face);
float ufirst = surface.FirstUParameter();
float uLarst = surface.LastUParameter();
float vfirst = surface.FirstVParameter();
float vLast = surface.LastVParameter();
float ustep = (uLarst - ufirst) * 0.1f;
float vstep = (vLast - vfirst) * 0.1f;
for (float ii = ufirst; ii <= uLarst; ii += ustep)
{
for (float jj = vfirst; jj <= vLast; jj += vstep)
{
Vector3List data = surface.D1(ii, jj);
Vector3 pos = data.Get(0);
Vector3 dirU = data.Get(1);
Vector3 dirV = data.Get(2);
Vector3 dir = dirV.CrossProduct(dirU);
dir.Normalize();
{
TopoShape line = GlobalInstance.BrepTools.MakeLine(pos, pos + dir * 10.0f);
SceneNode node = renderView.ShowGeometry(line, ++shapeId);
node.SetLineStyle(lineStyle);
}
}
}
TopoShapeProperty property = new TopoShapeProperty();
property.SetShape(face);
float area = property.SurfaceArea();
TextNode text = new TextNode();
text.SetText(String.Format("Surface Area: {0}", area));
text.SetPosition(new Vector3(100, 100, 0));
renderView.SceneManager.ClearNodes2d();
renderView.SceneManager.AddNode2d(text);
renderView.RequestDraw();
}
private void surfaceToolStripMenuItem_Click(object sender, EventArgs e)
{
Platform.LineStyle lineStyle = new Platform.LineStyle();
lineStyle.SetLineWidth(0.5f);
lineStyle.SetColor(ColorValue.RED);
var points = new System.Collections.Generic.List<Vector3>();
points.Add(new Vector3(0, 0, 0));
points.Add(new Vector3(50, 0, 0));
points.Add(new Vector3(100, 0, 0));
points.Add(new Vector3(0, 50, 0));
points.Add(new Vector3(50, 50, 5));
points.Add(new Vector3(100, 50, -5));
points.Add(new Vector3(0, 150, 5));
points.Add(new Vector3(50, 150, -5));
points.Add(new Vector3(100, 150, 0));
TopoShape face = GlobalInstance.BrepTools.MakeSurfaceFromPoints(points, 3, 3);
renderView.ShowGeometry(face, 101);
GeomSurface surface = new GeomSurface();
surface.Initialize(face);
float ufirst = surface.FirstUParameter();
float uLarst = surface.LastUParameter();
float vfirst = surface.FirstVParameter();
float vLast = surface.LastVParameter();
float ustep = (uLarst - ufirst) * 0.1f;
float vstep = (vLast - vfirst) * 0.1f;
for(float ii=ufirst; ii<=uLarst; ii+= ustep)
for (float jj = vfirst; jj <= vLast; jj += vstep)
{
var data = surface.D1(ii, jj);
Vector3 pos = data[0];
Vector3 dirU = data[1];
Vector3 dirV = data[2];
Vector3 dir = dirV.CrossProduct(dirU);
dir.Normalize();
{
Platform.TopoShape line = GlobalInstance.BrepTools.MakeLine(pos, pos + dir*10.0f);
Platform.SceneNode node = renderView.ShowGeometry(line, 101);
node.SetLineStyle(lineStyle);
}
}
TopoShapeProperty property = new TopoShapeProperty();
property.SetShape(face);
float area = property.SurfaceArea();
TextNode text = new TextNode();
text.SetText(String.Format("Surface Area: {0}", area));
text.SetPosition(new Vector3(100, 100, 0));
renderView.SceneManager.ClearNodes2d();
renderView.SceneManager.AddNode2d(text);
renderView.RequestDraw();
}
private void TransOnMax(TopoShape shape)
{
double areaM = 0;
Vector3 dirN = new Vector3();
Vector3 pos = new Vector3();
TopoExplor topo = new TopoExplor();
TopoShapeGroup group2 = topo.ExplorFaces(shape);
for (int i = 0; i < group2.Size(); i++)
{
TopoShape face = group2.GetTopoShape(i);
#region 计算面积
TopoShapeProperty property = new TopoShapeProperty();
property.SetShape(face);
Console.WriteLine("Face {0}:\n\tArea {1}\n\tOrientation {2}", i, property.SurfaceArea(), face.GetOrientation());
#endregion
#region 计算法向量
GeomSurface surface = new GeomSurface();
surface.Initialize(face);
//参数域UV范围
double uFirst = surface.FirstUParameter();
double uLast = surface.LastUParameter();
double vFirst = surface.FirstVParameter();
double vLast = surface.LastVParameter();
//取中点
double umid = uFirst + (uLast - uFirst) * 0.5f;
double vmid = vFirst + (vLast - vFirst) * 0.5f;
//计算法向量
var data = surface.D1(umid, vmid);
Vector3 dirU = data[1];
Vector3 dirV = data[2];
Vector3 dir = dirV.CrossProduct(dirU);
dir.Normalize();
Console.WriteLine("\tDir {0}", dir);
#endregion
#region 取最大的面
if (property.SurfaceArea() > areaM)
{
areaM = property.SurfaceArea();
pos = data[0];
Console.WriteLine(data[0]);
if (face.GetOrientation() == EnumShapeOrientation.ShapeOrientation_REVERSED)
{
dirN = dir * -1;
}
else
{
dirN = dir;
}
}
#endregion
}
#region 坐标变换
//Translation
shape = GlobalInstance.BrepTools.Translate(shape, -pos);
//Rotation
Vector3 dirZ = new Vector3(0, 0, -1);
shape = GlobalInstance.BrepTools.Rotation(shape, dirN.CrossProduct(dirZ), dirN.AngleBetween(dirZ));
#endregion
if (shape != null)
{
topoShape = shape;
renderView.ClearScene();
renderView.ShowGeometry(shape, shapeId);
}
renderView.FitAll();
renderView.RequestDraw(EnumRenderHint.RH_LoadScene);
}