OpenCascade/occt
1
0
Fork 0
mirror of https://git.dev.opencascade.org/repos/occt.git synced 2025-08-09 13:22:24 +03:00
Code Activity

0024043: Performance improvements: Modeling Algorithms

Browse Source 
Performance improvements: Modeling Algorithms (added Shape Healing)
Added TODO to unstable test cases
This commit is contained in:
Roman Lygin
2013-07-12 12:27:30 +04:00
parent 64531d9c98
commit 96a85238fb
28 changed files with 460 additions and 300 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
src/IntPatch/IntPatch_PolyLine.cxx
View File

@@ -82,7 +82,7 @@ void IntPatch_PolyLine::Prepare()
Standard_Integer i;
myBox.SetVoid();
Standard_Integer n=NbPoints();
Standard_Real eps = myError;
const Standard_Real eps_2 = myError * myError;
gp_Pnt2d P1, P2;
if (n >= 3) {
@@ -93,12 +93,12 @@ void IntPatch_PolyLine::Prepare()
if (i >= 3) {
gp_XY V13 = P3.XY() - P1.XY();
gp_XY V12 = P2.XY() - P1.XY();
Standard_Real d13 = V13.Modulus(), d;
if (d13 > eps)
d = V13.CrossMagnitude(V12) / d13;
Standard_Real d13_2 = V13.SquareModulus(), d_2;
if (d13_2 > eps_2)
d_2 = V13.CrossSquareMagnitude(V12) / d13_2;
else
d = eps;
if (d > myError) {
d_2 = eps_2;
if (d_2 > myError * myError) {
// try to compute deflection more precisely using parabola interpolation
gp_XY V23 = P3.XY() - P2.XY();
Standard_Real d12 = V12.Modulus(), d23 = V23.Modulus();
@@ -133,9 +133,9 @@ void IntPatch_PolyLine::Prepare()
Standard_Real d2 = Abs (A2*xt2 + B2*yt2 + C2);
if (d2 > d1) d1 = d2;
// select min deflection from linear and parabolic ones
if (d1 < d) d = d1;
if (d1 * d1 < d_2) d_2 = d1 * d1;
}
if (d > myError) myError=d;
if (d_2 > myError * myError) myError=Sqrt(d_2);
}
P1 = P2; P2 = P3;
}