OilfieldToolsNet/LBPM
4
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Added TriLinearPoly to common/pmmc.h

Browse Source
This commit is contained in:
James E McClure 2014-10-15 21:47:44 -04:00
parent b314ff09b3
commit f923b593e0
1 changed files with 36 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

39
common/pmmc.h
View File

@ -300,6 +300,29 @@ char triTable[256][16] =
{0, 9, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1},
{0, 3, 8, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1},
{-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1}};
//--------------------------------------------------------------------------------------------------------
class TriLinearPoly{
double a,b,c,d,e,f,g;
double x,y,z;
public:
TriLinearCube(DoubleArray &CubeValues){
a = CubeValues(0,0,0);
b = CubeValues(1,0,0)-a;
c = CubeValues(0,1,0)-a;
d = CubeValues(0,0,1)-a;
e = CubeValues(1,1,0)-a-b-c;
f = CubeValues(1,0,1)-a-b-d;
g = CubeValues(0,1,1)-a-c-d;
h = CubeValues(1,1,1)-a-b-c-d-e-f-g;
}
double eval(double x, double y, double z){
double returnValue;
returnValue = a + b*x + c*y+d*z + e*x*y + f*x*z + g*y*z + h*x*y*z;
return returnValue;
}
};
//--------------------------------------------------------------------------------------------------------
inline int ComputeBlob(IntArray &blobs, int &nblobs, int &ncubes, IntArray &indicator,
@ -4189,9 +4212,9 @@ inline void pmmc_CommonCurveSpeed(DoubleArray &CubeValues, DoubleArray &dPdt, Do
}
}
inline void pmmc_CurveCurvature(DoubleArray &f, DoubleArray &s){
inline void pmmc_CurveCurvature(DoubleArray &f, DoubleArray &s, int i, int j, int k){
int p,i,j,k;
int p;
double fxx,fyy,fzz,fxy,fxz,fyz,fx,fy,fz;
double sxx,syy,szz,sxy,sxz,syz,sx,sy,sz;
@ -4199,6 +4222,8 @@ inline void pmmc_CurveCurvature(DoubleArray &f, DoubleArray &s){
double Tx[8],Ty[8],Tz[8]; // Tangent vector
double Nx[8],Ny[8],Nz[8]; // Principle normal
double tx,ty,tz,nx,ny,nz,K; // tangent,normal and curvature
Point P;
for (int p=0; p<8; p++){
// Compute all of the derivatives using finite differences
@ -4245,7 +4270,15 @@ inline void pmmc_CurveCurvature(DoubleArray &f, DoubleArray &s){
Ny[p] = Tx[p]*Axy + Ty[p]*Ayy + Tz[p]*Azy;
Nz[p] = Tx[p]*Axz + Ty[p]*Ayz + Tz[p]*Azz;
}
for (p=0; p<npts; p++){
P = Points(p);
x = P.x-1.0*i;
y = P.y-1.0*j;
z = P.z-1.0*k;
SurfaceVector(npts+p) = a + b*x + c*y+d*z + e*x*y + f*x*z + g*y*z + h*x*y*z;
}
}
//--------------------------------------------------------------------------------------------------------