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Changed Volume Routine, before was returning negative values

This commit is contained in:
Paolo Cignoni 2005-11-15 12:09:17 +00:00
parent ce250c83a2
commit f32fb12d03
1 changed files with 6 additions and 3 deletions
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9
vcg/complex/trimesh/base.h
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@ -24,6 +24,9 @@
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$Log: not supported by cvs2svn $ $Log: not supported by cvs2svn $
Revision 1.15 2005/10/03 16:00:08 rita_borgo
Minor changes
Revision 1.14 2005/03/18 16:37:46 fiorin Revision 1.14 2005/03/18 16:37:46 fiorin
Minor changes Minor changes
@ -266,14 +269,14 @@ ScalarType Volume()
B = ( (*fi).P( k ) - (*fi).P(j) ) ^ B = ( (*fi).P( k ) - (*fi).P(j) ) ^
( (*fi).P((k+1)%3) - (*fi).P(j) ) ; ( (*fi).P((k+1)%3) - (*fi).P(j) ) ;
B.Normalize(); B.Normalize();
N = T ^ B; N = T ^ B;
CoordType pj = (*fi).P(j); CoordType pj = (*fi).P(j);
CoordType pk = (*fi).P(k); CoordType pk = (*fi).P(k);
V += (pj* T )*(pj*N)*(pj*B); V += (pk* T )*(pk*N)*(pk*B);
V += (pk*(-T))*(pk*N)*(pk*B); V += (pj*(-T))*(pj*N)*(pj*B);
} }
} }
return V/6.0; return V/6.0;