[3913] | 1 | #include <cstdio>
|
---|
| 2 | #include <string.h>
|
---|
| 3 | #include <cmath>
|
---|
| 4 |
|
---|
| 5 | #include "../../include/include.h"
|
---|
| 6 | #include "../../shared/Exceptions/exceptions.h"
|
---|
| 7 |
|
---|
| 8 | #include "GeometricalEdge.h"
|
---|
| 9 | #include "Geometry.h"
|
---|
| 10 |
|
---|
| 11 | using namespace std;
|
---|
| 12 |
|
---|
| 13 | namespace bamg {
|
---|
| 14 |
|
---|
| 15 | /*Constructor/Destructor*/
|
---|
| 16 |
|
---|
| 17 | /*Methods*/
|
---|
[5151] | 18 | /*FUNCTION GeometricalEdge::Cracked{{{1*/
|
---|
| 19 | int GeometricalEdge::Cracked() const {
|
---|
| 20 | return type &1;
|
---|
| 21 | }/*}}}*/
|
---|
| 22 | /*FUNCTION GeometricalEdge::F{{{1*/
|
---|
| 23 | R2 GeometricalEdge::F(double theta) const{
|
---|
| 24 | /*Original code from Frederic Hecht <hecht@ann.jussieu.fr> (BAMG v1.01, MeshGeom.cpp/F)*/
|
---|
| 25 | // parametrization of the curve edge
|
---|
| 26 |
|
---|
| 27 | R2 A=v[0]->r,B=v[1]->r;
|
---|
| 28 | double ca,cb,cta,ctb;
|
---|
| 29 | if ( theta<-1e-12){
|
---|
| 30 | ISSMERROR("theta<-1e-12");
|
---|
| 31 | }
|
---|
| 32 | if ( theta>1+1e-12){
|
---|
| 33 | ISSMERROR("theta>1+1e-12");
|
---|
| 34 | }
|
---|
| 35 | if (TgA())
|
---|
| 36 | if (TgB()) // interpolation d'hermite
|
---|
| 37 | { cb = theta*theta*(3-2*theta);
|
---|
| 38 | ca = 1-cb;
|
---|
| 39 | cta = (1-theta)*(1-theta)*theta;
|
---|
| 40 | ctb = (theta-1)*theta*theta ;
|
---|
| 41 | }
|
---|
| 42 | else { // 1-t*t, t-t*t, t*t
|
---|
| 43 | double t = theta;
|
---|
| 44 | cb = t*t;
|
---|
| 45 | ca = 1-cb;
|
---|
| 46 | cta= t-cb;
|
---|
| 47 | ctb=0;
|
---|
| 48 | }
|
---|
| 49 | else
|
---|
| 50 | if (TgB()){
|
---|
| 51 | double t = 1-theta;
|
---|
| 52 | ca = t*t;
|
---|
| 53 | cb = 1-ca;
|
---|
| 54 | ctb= -t+ca;
|
---|
| 55 | cta=0;
|
---|
| 56 | }
|
---|
| 57 | else {
|
---|
| 58 | ca =(1-theta),cb = theta,cta=ctb=0; // lagrange P1
|
---|
| 59 | }
|
---|
| 60 | return A*ca + B*cb + tg[0]* cta + tg[1] * ctb;
|
---|
| 61 | }
|
---|
| 62 | /*}}}1*/
|
---|
| 63 | /*FUNCTION GeometricalEdge::Mark{{{1*/
|
---|
| 64 | int GeometricalEdge::Mark() const {
|
---|
| 65 | return type &16;
|
---|
| 66 | }/*}}}*/
|
---|
[3913] | 67 | /*FUNCTION GeometricalEdge::R1tg{{{1*/
|
---|
| 68 | double GeometricalEdge::R1tg(double theta,R2 & t) const{
|
---|
| 69 | /*Original code from Frederic Hecht <hecht@ann.jussieu.fr> (BAMG v1.01, MeshGeom.cpp/R1tg)*/
|
---|
| 70 | // 1/R of radius of cuvature
|
---|
| 71 |
|
---|
| 72 | R2 A=v[0]->r,B=v[1]->r;
|
---|
| 73 | double dca,dcb,dcta,dctb;
|
---|
| 74 | double ddca,ddcb,ddcta,ddctb;
|
---|
| 75 | double tt = theta*theta;
|
---|
| 76 |
|
---|
| 77 | //check theta
|
---|
| 78 | ISSMASSERT(theta>=0 && theta<=1);
|
---|
| 79 |
|
---|
| 80 | if (TgA()){
|
---|
| 81 | if (TgB()){
|
---|
| 82 | // Tangent A and B provided:
|
---|
| 83 | // interpolation d'hermite
|
---|
| 84 | dcb = 6*theta*(1-theta);
|
---|
| 85 | ddcb = 6*(1-2*theta);
|
---|
| 86 | dca = -dcb;
|
---|
| 87 | ddca = -ddcb;
|
---|
| 88 | dcta = (3*theta - 4)*theta + 1;
|
---|
| 89 | ddcta=6*theta-4;
|
---|
| 90 | dctb = 3*tt - 2*theta;
|
---|
| 91 | ddctb = 6*theta-2;
|
---|
| 92 | }
|
---|
| 93 | else {
|
---|
| 94 | //Tangent A provided but tangent B not provided
|
---|
| 95 | // 1-t*t, t-t*t, t*t
|
---|
| 96 | double t = theta;
|
---|
| 97 | dcb = 2*t;
|
---|
| 98 | ddcb = 2;
|
---|
| 99 | dca = -dcb;
|
---|
| 100 | ddca = -2;
|
---|
| 101 | dcta = 1-dcb;
|
---|
| 102 | ddcta = -ddcb;
|
---|
| 103 | dctb=0;
|
---|
| 104 | ddctb=0;
|
---|
| 105 | }
|
---|
| 106 | }
|
---|
| 107 | else{
|
---|
| 108 | if (TgB()){
|
---|
| 109 | //Tangent B provided but tangent A not provided
|
---|
| 110 | double t = 1-theta;
|
---|
| 111 | dca = -2*t;
|
---|
| 112 | ddca = 2;
|
---|
| 113 | dcb = -dca;
|
---|
| 114 | ddcb = -2;
|
---|
| 115 | dctb = 1+dca;
|
---|
| 116 | ddctb= ddca;
|
---|
| 117 | dcta =0;
|
---|
| 118 | ddcta =0;
|
---|
| 119 | }
|
---|
| 120 | else {
|
---|
| 121 | //Neither thangent A nor tangent B provided
|
---|
| 122 | // lagrange P1
|
---|
| 123 | t=B-A;
|
---|
| 124 | return 0;
|
---|
| 125 | }
|
---|
| 126 | }
|
---|
| 127 | R2 d = A*dca + B*dcb + tg[0]* dcta + tg[1] * dctb;
|
---|
| 128 | R2 dd = A*ddca + B*ddcb + tg[0]* ddcta + tg[1] * ddctb;
|
---|
| 129 | double d2=(d,d);
|
---|
| 130 | double sd2 = sqrt(d2);
|
---|
| 131 | t=d;
|
---|
| 132 | if(d2>1.0e-20){
|
---|
| 133 | t/=sd2;
|
---|
| 134 | return Abs(Det(d,dd))/(d2*sd2);
|
---|
| 135 | }
|
---|
| 136 | else return 0;
|
---|
| 137 | }
|
---|
| 138 | /*}}}1*/
|
---|
[5151] | 139 | /*FUNCTION GeometricalEdge::Required{{{1*/
|
---|
| 140 | int GeometricalEdge::Required() {
|
---|
| 141 | return type &64;
|
---|
| 142 | }/*}}}*/
|
---|
[3913] | 143 | /*FUNCTION GeometricalEdge::Set {{{1*/
|
---|
| 144 | void GeometricalEdge::Set(const GeometricalEdge & rec,const Geometry & Gh ,Geometry & GhNew){
|
---|
| 145 | *this = rec;
|
---|
[5149] | 146 | v[0] = GhNew.vertices + Gh.GetId(v[0]);
|
---|
| 147 | v[1] = GhNew.vertices + Gh.GetId(v[1]);
|
---|
| 148 | if (Adj[0]) Adj[0] = GhNew.edges + Gh.GetId(Adj[0]);
|
---|
| 149 | if (Adj[1]) Adj[1] = GhNew.edges + Gh.GetId(Adj[1]);
|
---|
[3913] | 150 | }
|
---|
| 151 | /*}}}*/
|
---|
[5151] | 152 | /*FUNCTION GeometricalEdge::SetCracked{{{1*/
|
---|
| 153 | void GeometricalEdge::SetCracked() {
|
---|
[5397] | 154 | type |= 1;/*=>1st digit to 1*/
|
---|
[5151] | 155 | }/*}}}*/
|
---|
| 156 | /*FUNCTION GeometricalEdge::SetTgA{{{1*/
|
---|
| 157 | void GeometricalEdge::SetTgA() {
|
---|
[5397] | 158 | type |=4; /*=>2d digit to 1*/
|
---|
[5151] | 159 | }/*}}}*/
|
---|
| 160 | /*FUNCTION GeometricalEdge::SetTgB{{{1*/
|
---|
| 161 | void GeometricalEdge::SetTgB() {
|
---|
[5397] | 162 | type |=8; /*=> 3d digit to 1*/
|
---|
[5151] | 163 | }/*}}}*/
|
---|
| 164 | /*FUNCTION GeometricalEdge::SetMark{{{1*/
|
---|
| 165 | void GeometricalEdge::SetMark() {
|
---|
[5397] | 166 | type |=16;/*=> 4th digiy to 1*/
|
---|
[5151] | 167 | }/*}}}*/
|
---|
| 168 | /*FUNCTION GeometricalEdge::SetUnMark{{{1*/
|
---|
| 169 | void GeometricalEdge::SetUnMark() {
|
---|
[5397] | 170 | type &= 1007 /* 1023-16 = 000111110111 => 4th digit to 0*/;
|
---|
[5151] | 171 | }/*}}}*/
|
---|
| 172 | /*FUNCTION GeometricalEdge::SetRequired{{{1*/
|
---|
| 173 | void GeometricalEdge::SetRequired() {
|
---|
[5397] | 174 | type |= 64;/*=>=>6th digit to 1*/
|
---|
[5151] | 175 | }/*}}}*/
|
---|
| 176 | /*FUNCTION GeometricalEdge::Tg{{{1*/
|
---|
| 177 | int GeometricalEdge::Tg(int i) const {
|
---|
| 178 | return i==0 ? TgA() : TgB();
|
---|
| 179 | }/*}}}*/
|
---|
| 180 | /*FUNCTION GeometricalEdge::TgA{{{1*/
|
---|
| 181 | int GeometricalEdge::TgA() const {
|
---|
| 182 | return type &4;
|
---|
| 183 | }/*}}}*/
|
---|
| 184 | /*FUNCTION GeometricalEdge::TgB{{{1*/
|
---|
| 185 | int GeometricalEdge::TgB() const {
|
---|
| 186 | return type &8;
|
---|
| 187 | }/*}}}*/
|
---|
[3913] | 188 | }
|
---|