private void DrawUnfoldGroup(BendingGroup bends)
{
renderViewDraw.ClearScene();
#region 绘制底面
TopoShape baseShape = GlobalInstance.BrepTools.FillFace(bends.Vertexes);
SceneManager sceneMgr = renderViewDraw.SceneManager;
SceneNode root = GlobalInstance.TopoShapeConvert.ToSceneNode(baseShape, 0.1f);
sceneMgr.AddNode(root);
#endregion
#region 逆时针方向依次折弯
Queue <Vector3> vertexQueue = new Queue <Vector3>(bends.Vertexes);
for (int i = 0; i < vertexQueue.Count(); i++)
{
var sPt = vertexQueue.Dequeue();
var ePt = vertexQueue.Peek();
vertexQueue.Enqueue(sPt);
var line = GlobalInstance.BrepTools.MakeLine(sPt, ePt);
var face = baseShape;
var groupEdge = from m in bends.Bendings
where m.Orientation == Math.Round(((ePt - sPt).Y >= 0 ? (ePt - sPt).AngleBetween(Vector3.UNIT_X) : (360 - (ePt - sPt).AngleBetween(Vector3.UNIT_X))), 3)
orderby m.Index
select m;
foreach (var bending in groupEdge)
{
if (face == null || line == null)
{
return;
}
if (face.GetShapeType() != EnumTopoShapeType.Topo_FACE || line.GetShapeType() != EnumTopoShapeType.Topo_EDGE)
{
break;
}
BendHelper helper = new BendHelper();
var temp = new Bending(bending);
temp.Length += temp.Radius * temp.Angle * Math.PI / 180;
temp.Angle = 0;
helper = BendUp(face, line, temp);
ElementId id = new ElementId(bending.Index);
SceneNode node = GlobalInstance.TopoShapeConvert.ToSceneNode(helper.Sweep, 0.1f);
node.SetId(id);
sceneMgr.AddNode(node);
face = helper.EdFace;
line = helper.EdLine;
}
}
#endregion
renderViewDraw.FitAll();
renderViewDraw.RequestDraw(EnumRenderHint.RH_LoadScene);
}
private void DrawBendingGroup(BendingGroup bends)
{
renderViewDraw.ClearScene();
#region 绘制底面
//var pt0 = new Vector3(0, 0, 0);
//var pt1 = new Vector3(bends.Length, 0, 0);
//var pt2 = new Vector3(bends.Length, bends.Width, 0);
//var pt3 = new Vector3(0, bends.Width, 0);
//TopoShape baseEdge1 = GlobalInstance.BrepTools.MakeLine(pt0, pt1);
//TopoShape baseEdge2 = GlobalInstance.BrepTools.MakeLine(pt1, pt2);
//TopoShape baseEdge3 = GlobalInstance.BrepTools.MakeLine(pt2, pt3);
//TopoShape baseEdge4 = GlobalInstance.BrepTools.MakeLine(pt3, pt0);
//TopoShape rect = GlobalInstance.BrepTools.MakeRectangle(bends.Length, bends.Width, 0, Coordinate3.UNIT_XYZ);
//TopoShape baseShape = GlobalInstance.BrepTools.MakeFace(rect);
TopoShape baseShape = GlobalInstance.BrepTools.FillFace(bends.Vertexes);
SceneManager sceneMgr = renderViewDraw.SceneManager;
SceneNode root = GlobalInstance.TopoShapeConvert.ToSceneNode(baseShape, 0.1f);
sceneMgr.AddNode(root);
#endregion
#region 逆时针方向依次折弯
//var oris = bends.Bendings.OrderBy(m => m.Orientation).Select(m => m.Orientation).Distinct();
Queue <Vector3> vertexQueue = new Queue <Vector3>(bends.Vertexes);
for (int i = 0; i < vertexQueue.Count(); i++)
{
var sPt = vertexQueue.Dequeue();
var ePt = vertexQueue.Peek();
vertexQueue.Enqueue(sPt);
var line = GlobalInstance.BrepTools.MakeLine(sPt, ePt);
var face = baseShape;
var groupEdge = from m in bends.Bendings
where m.Orientation == Math.Round(((ePt - sPt).Y >= 0 ? (ePt - sPt).AngleBetween(Vector3.UNIT_X) : (360 - (ePt - sPt).AngleBetween(Vector3.UNIT_X))), 3)
orderby m.Index
select m;
foreach (var bending in groupEdge)
{
if (face == null || line == null)
{
return;
}
if (face.GetShapeType() != EnumTopoShapeType.Topo_FACE || line.GetShapeType() != EnumTopoShapeType.Topo_EDGE)
{
break;
}
BendHelper helper = new BendHelper();
if (bending.Direction.Equals(EnumDir.Edge_UP))
{
helper = BendUp(face, line, bending);
}
else
{
helper = BendDown(face, line, bending);
}
ElementId id = new ElementId(bending.Index);
SceneNode node = GlobalInstance.TopoShapeConvert.ToSceneNode(helper.Sweep, 0.1f);
node.SetId(id);
sceneMgr.AddNode(node);
face = helper.EdFace;
line = helper.EdLine;
}
}
#endregion
#region 四个方向分别折弯
//var groupEdge1 = from m in bends.Bendings
// where m.Orientation == 0
// orderby m.Index
// select m ;
//var groupEdge2 = from m in bends.Bendings
// where m.Orientation == 1
// orderby m.Index
// select m;
//var groupEdge3 = from m in bends.Bendings
// where m.Orientation == 2
// orderby m.Index
// select m;
//var groupEdge4 = from m in bends.Bendings
// where m.Orientation == 3
// orderby m.Index
// select m;
////TopoShape line = baseEdge1;
////TopoShape face = baseShape;
//foreach (var bending in groupEdge1)
//{
// if (face == null || line == null)
// {
// return;
// }
// if (face.GetShapeType() != EnumTopoShapeType.Topo_FACE || line.GetShapeType() != EnumTopoShapeType.Topo_EDGE)
// {
// break;
// }
// BendHelper helper = new BendHelper();
// if (bending.Direction.Equals(EnumDir.Edge_UP))
// {
// helper = BendUp(face, line, bending);
// }
// else
// {
// helper = BendDown(face, line, bending);
// }
// ElementId id = new ElementId(bending.Index);
// SceneNode node = GlobalInstance.TopoShapeConvert.ToSceneNode(helper.Sweep, 0.1f);
// node.SetId(id);
// sceneMgr.AddNode(node);
// face = helper.EdFace;
// line = helper.EdLine;
//}
//face = baseShape;
//line = baseEdge2;
//foreach (var bending in groupEdge2)
//{
// if (face == null)
// {
// break;
// }
// BendHelper helper = new BendHelper();
// if (bending.Direction.Equals(EnumDir.Edge_UP))
// {
// helper = BendUp(face, line, bending);
// }
// else
// {
// helper = BendDown(face, line, bending);
// }
// ElementId id = new ElementId(bending.Index);
// SceneNode node = GlobalInstance.TopoShapeConvert.ToSceneNode(helper.Sweep, 0.1f);
// node.SetId(id);
// sceneMgr.AddNode(node);
// face = helper.EdFace;
// line = helper.EdLine;
//}
//face = baseShape;
//line = baseEdge3;
//foreach (var bending in groupEdge3)
//{
// if (face == null)
// {
// break;
// }
// BendHelper helper = new BendHelper();
// if (bending.Direction.Equals(EnumDir.Edge_UP))
// {
// helper = BendUp(face, line, bending);
// }
// else
// {
// helper = BendDown(face, line, bending);
// }
// ElementId id = new ElementId(bending.Index);
// SceneNode node = GlobalInstance.TopoShapeConvert.ToSceneNode(helper.Sweep, 0.1f);
// node.SetId(id);
// sceneMgr.AddNode(node);
// face = helper.EdFace;
// line = helper.EdLine;
//}
//face = baseShape;
//line = baseEdge4;
//foreach (var bending in groupEdge4)
//{
// if (face == null)
// {
// break;
// }
// BendHelper helper = new BendHelper();
// if (bending.Direction.Equals(EnumDir.Edge_UP))
// {
// helper = BendUp(face, line, bending);
// }
// else
// {
// helper = BendDown(face, line, bending);
// }
// ElementId id = new ElementId(bending.Index);
// SceneNode node = GlobalInstance.TopoShapeConvert.ToSceneNode(helper.Sweep, 0.1f);
// node.SetId(id);
// sceneMgr.AddNode(node);
// face = helper.EdFace;
// line = helper.EdLine;
//}
#endregion
renderViewDraw.FitAll();
renderViewDraw.RequestDraw(EnumRenderHint.RH_LoadScene);
}
private BendHelper BendDown(TopoShape face, TopoShape line, Bending bending)
{
#region 计算平面法向量
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 dirF = dirV.CrossProduct(dirU);
dirF.Normalize();
#endregion
#region 计算边线参数
GeomCurve curve = new GeomCurve();
curve.Initialize(line);
Vector3 dirL = curve.DN(curve.FirstParameter(), 1);
Vector3 stPt = curve.Value(curve.FirstParameter()); //起点
Vector3 edPt = curve.Value(curve.LastParameter()); //终点
#endregion
#region 绘制草图
TopoShapeGroup lineGroup = new TopoShapeGroup();
Vector3 center = stPt + dirF * bending.Radius; //圆心
Vector3 radius = stPt - center; //半径
double theta = bending.Angle * (Math.PI / 180.0);
Vector3 radius2 = radius * Math.Cos(theta) + dirL.CrossProduct(radius) * Math.Sin(theta);
Vector3 edArc = center + radius2; //圆弧终点
TopoShape arc = GlobalInstance.BrepTools.MakeArc(stPt, edArc, center, dirL); //绘制圆弧
if (arc != null)
{
lineGroup.Add(arc);
}
Vector3 edLine = dirL.CrossProduct(radius2) * (bending.Length / bending.Radius) + edArc;
arc = GlobalInstance.BrepTools.MakeLine(edArc, edLine);
lineGroup.Add(arc);
//扫描生成折弯
TopoShape wireSketch = GlobalInstance.BrepTools.MakeWire(lineGroup);
TopoShape sweep;
if (wireSketch != null)
{
sweep = GlobalInstance.BrepTools.Sweep(wireSketch, line, true);
}
else
{
sweep = GlobalInstance.BrepTools.Sweep(arc, line, true);
}
TopoShape oFace = GlobalInstance.BrepTools.Sweep(arc, line, true).GetSubShape(0, 1);
TopoShape oEdge = GlobalInstance.BrepTools.MakeLine(edLine, edLine + edPt - stPt);
#endregion
BendHelper bend = new BendHelper()
{
Sweep = sweep,
EdFace = oFace,
EdLine = oEdge
};
return(bend);
}