1 #ifndef CREATESPECIALMAPPING_H
2 #define CREATESPECIALMAPPING_H
4 #include <vtkUnstructuredGrid.h>
5 #include <vtkPolyData.h>
8 #include "egvtkobject.h"
10 #include "vertexmeshdensity.h"
12 #include "geometrytools.h"
13 using namespace GeometryTools
;
18 class CreateSpecialMapping
: public Operation
{
20 CreateSpecialMapping();
24 int N_SmoothIterations
;
26 double Convergence_meshdensity
;
34 bool DoLaplaceSmoothing
;
45 int m_total_N_newpoints
;
46 int m_total_N_newcells
;
49 QVector
<vtkIdType
> m_AllCells
;
50 QVector
<vtkIdType
> m_SelectedCells
;
51 vtkUnstructuredGrid
* m_grid
;
52 vtkIdType m_newNodeId
;
54 QMap
< pair
<vtkIdType
,vtkIdType
>, vtkIdType
> edge_map
;
55 QVector
<stencil_t
> StencilVector
;
56 QSet
<vtkIdType
> m_SelectedNodes
;
58 QVector
<int> hitlist
;//Elements to be terminated (0=keep alive, 1=field agent to eliminate, 2=border agent to eliminate)
59 QVector
<int> offset
;//offset caused by terminated elements
66 QVector
<VertexMeshDensity
> VMDvector
;//Vertices of Mass destruction
68 QMap
<vtkIdType
,bool> marked_cells
;
69 QMap
<vtkIdType
,bool> marked_nodes
;
71 void SetInput(QSet
<int> a_bcs
,vtkUnstructuredGrid
* a_grid
)
77 void SetVertexMeshDensityVector(QVector
<VertexMeshDensity
> a_VMDvector
){VMDvector
=a_VMDvector
;};
79 void Set_SV_value(double V
){SV_value
=V
;};
80 void Set_FV_value(double V
){FV_value
=V
;};
81 void Set_FEV_value(double V
){FEV_value
=V
;};
82 void Set_BEV_value(double V
){BEV_value
=V
;};
84 void SetConvergence_meshdensity(double C
){Convergence_meshdensity
=C
;};
85 void Set_insert_FP(bool B
){insert_FP
=B
;};
86 void Set_insert_EP(bool B
){insert_EP
=B
;};
87 void Set_remove_FP(bool B
){remove_FP
=B
;};
88 void Set_remove_EP(bool B
){remove_EP
=B
;};
90 VertexMeshDensity
getVMD(vtkIdType node
, char VertexType
);
94 double Um(vtkIdType D
) {
96 vtkIdType N_pts
, *pts
;
97 m_grid
->GetCellPoints(D
, N_pts
, pts
);
98 for(int i
=0;i
<N_pts
;i
++)
101 m_grid
->GetPoints()->GetPoint(pts
[i
], A
.data());
102 m_grid
->GetPoints()->GetPoint(pts
[(i
+1)%N_pts
], B
.data());
107 double A_U(vtkIdType D
) { // area of the circumscribed circle of the triangle
108 vtkIdType N_pts
, *pts
;
109 m_grid
->GetCellPoints(D
, N_pts
, pts
);
111 m_grid
->GetPoints()->GetPoint(pts
[0], A
.data());
112 m_grid
->GetPoints()->GetPoint(pts
[1], B
.data());
113 m_grid
->GetPoints()->GetPoint(pts
[2], C
.data());
114 double a
=(C
-B
).abs();
115 double alpha
=angle((B
-A
),(C
-A
));
116 double R
=a
/(2*sin(alpha
));
119 double A_D(vtkIdType D
) { // triangle area
120 return(cellVA(m_grid
,D
));
122 double DN(int i
,vtkIdType D
) { //triangle neighbours
125 double nk(vtkIdType P
) {
126 return(n2n
[P
].size());
128 double G_k(vtkIdType node
) {
129 EG_VTKDCN(vtkDoubleArray
, node_meshdensity
, m_grid
, "node_meshdensity");
130 return(1.0/node_meshdensity
->GetValue(node
));
132 double DK(int i
,vtkIdType D
) { // triangle nodes
133 vtkIdType N_pts
, *pts
;
134 m_grid
->GetCellPoints(D
, N_pts
, pts
);
137 vtkIdType
KK(int i
,vtkIdType j
,vtkIdType K
) {//i=1 or 2, j=node2, K=node1
141 double L_k(vtkIdType j
,vtkIdType K
)// node1 K, node2 j
145 m_grid
->GetPoints()->GetPoint(K
, A
.data());
146 m_grid
->GetPoints()->GetPoint(j
, B
.data());
149 double Q_L(vtkIdType D
)
151 // Um(D)/sum(G_k(DK(i,D)),i,1,3)
155 denom_sum
+= G_k(DK(i
,D
));
157 /*if(DebugLevel>0) cout<<"D="<<D<<" Um(D)="<<Um(D)<<" denom_sum="<<denom_sum<<endl;*/
158 return(Um(D
)/denom_sum
);
160 double Q_L1(vtkIdType P
)
162 // [2*sum(L_k(i~),i,1,nk(P))]/[sum(G_k(KK(1,i~))+G_k(KK(2,i~)),i,1,nk(P))]
165 foreach(vtkIdType j
,n2n
[P
])
167 num_sum
+= 2*L_k(j
,P
);
168 denom_sum
+= G_k(KK(1,j
,P
))+G_k(KK(2,j
,P
));
170 return(num_sum
/denom_sum
);
172 double Q_L2(vtkIdType P
)
175 // min([2*L_k(i~)]/[G_k(KK(1,i~))+G_k(KK(2,i~))])
178 foreach(vtkIdType j
,n2n
[P
])
181 denom
= G_k(KK(1,j
,P
))+G_k(KK(2,j
,P
));
182 V
.push_back(num
/denom
);
184 qSort(V
.begin(),V
.end());
189 // sum([A_U(i)]/[A_D(i)^w]*[G_k(i)^(2*(w-1))],i,1,Nd)
190 int N_cells
=m_grid
->GetNumberOfCells();
192 for(int i
=0;i
<N_cells
;i
++)
194 T
+= A_U(i
)/pow(A_D(i
),w
)*pow(G_k(i
),2*(w
-1));
198 bool insert_fieldpoint(vtkIdType D
)
200 double Fred1
=1.0/sqrt(3);
201 double Qmin
=1.1;//1.189;
205 vtkIdType cell
=DN(i
,D
);
206 if(cell
!=-1) total
+= Q_L(cell
);
208 /* cout<<"Q_L(D)>1.0/Fred1="<<Q_L(D)<<">"<<1.0/Fred1<<endl;
209 cout<<"total>3*Qmin="<<total<<">"<<3*Qmin<<endl;*/
210 return ( Q_L(D
)>1.0/Fred1
&& total
>3*Qmin
);
212 bool insert_edgepoint(vtkIdType j
,vtkIdType K
)// node1 K, node2 j
214 /* cout<<"j="<<j<<endl;
216 cout<<"0.5*G_k(K)="<<0.5*G_k(K)<<endl;
217 cout<<"L_k(j,K)="<<L_k(j,K)<<endl;
218 cout<<"1*G_k(K)="<<1*G_k(K)<<endl;
219 cout<<"return ( 0.5*G_k(K)<L_k(j,K) && L_k(j,K)<1*G_k(K) );"<<endl;
220 return ( 0.5*G_k(K)<L_k(j,K) && L_k(j,K)<1*G_k(K) );*/
222 /* cout<<"j="<<j<<endl;
224 cout<<"G_k(j)="<<G_k(j)<<endl;
225 cout<<"G_k(K)="<<G_k(K)<<endl;
226 cout<<"0.5*(G_k(j)+G_k(K))="<<0.5*(G_k(j)+G_k(K))<<endl;
227 cout<<"L_k(j,K)="<<L_k(j,K)<<endl;*/
228 return ( L_k(j
,K
)>0.5*(G_k(j
)+G_k(K
)) );
230 bool remove_fieldpoint(vtkIdType P
)
234 /* cout<<"Q_L1(P)<QL1max="<< Q_L1(P)<< "<" << QL1max<<endl;
235 cout<<"Q_L2(P)<QL2max="<< Q_L2(P)<< "<" << QL2max<<endl;*/
236 return ( Q_L1(P
)<QL1max
&& Q_L2(P
)<QL2max
);
238 bool remove_edgepoint(vtkIdType P
)
240 return ( 0.5*G_k(P
)<CurrentVertexAvgDist(P
,n2n
,m_grid
) && CurrentVertexAvgDist(P
,n2n
,m_grid
)<1*G_k(P
) );
242 int insert_FP_counter();
243 int insert_EP_counter();
244 int remove_FP_counter();
245 int remove_EP_counter();
247 int insert_FP_actor(vtkUnstructuredGrid
* grid_tmp
);
248 int insert_EP_actor(vtkUnstructuredGrid
* grid_tmp
);
249 int remove_FP_actor(vtkUnstructuredGrid
* grid_tmp
);
250 int remove_EP_actor(vtkUnstructuredGrid
* grid_tmp
);
258 int UpdateDesiredMeshDensity();
259 // int UpdateNodeType();
260 // bool DeletePoint_2(vtkUnstructuredGrid *src, vtkIdType DeadNode);
261 // vtkIdType FindSnapPoint(vtkUnstructuredGrid *src, vtkIdType DeadNode,QSet <vtkIdType> & DeadCells,QSet <vtkIdType> & MutatedCells,QSet <vtkIdType> & MutilatedCells);
263 int remove_EP_all_2();
264 int remove_FP_all_2();
267 int SmoothFunction();
270 //end of CreateSpecialMapping class
272 // #define VTK_SIMPLE_VERTEX 0
273 // #define VTK_FIXED_VERTEX 1
274 // #define VTK_FEATURE_EDGE_VERTEX 2
275 // #define VTK_BOUNDARY_EDGE_VERTEX 3