Egalware/EgtGeomKernel
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

EgtGeomKernel :

Browse Source 
- piccola miglioria alla intersLineLine
- piccola correzione alla intersCurveCurve.
This commit is contained in:
Daniele Bariletti
2026-01-16 15:12:01 +01:00
parent 82accd45c1
commit 5f1255a625
2 changed files with 45 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files
IntersLineLine.cpp
+21 -1
View File
@@ -158,7 +158,27 @@ IntersLineLine::IntersFiniteLines( const CurveLine& Line1, const CurveLine& Line
bool bParallel = ( abs( dCrossXY) < SIN_EPS_ANG_ZERO * ( dLen1XY * dLen2XY)) ;
// flag per segmenti che si allontanano significativamente
bool bFarEnds = ( nS1Side != 0 || nE1Side != 0 || nS2Side != 0 || nE2Side != 0) ;
// analisi casi speciali di quasi parallelismo
// analisi casi speciali di quasi parallelismo
// segmento sovrapposto all'altro
double dDist1, dDist2 ;
if( nS1Side == 0 || nE1Side == 0 || nS1Side == nE1Side) {
dDist1 = CrossXY( ptS1 - ptS2, vtDir2) ;
dDist2 = CrossXY( ptE1 - ptS2, vtDir2) ;
if( abs( dDist1 - dDist2) < EPS_SMALL * dLen2XY) {
bParallel = true ;
bFarEnds = ! ( (nS1Side == 0 && nE1Side == 0) || (nS2Side == 0 && nE2Side == 0)) ;
}
}
else if( nS2Side == 0 || nE2Side == 0 || nS2Side == nE2Side) {
dDist1 = CrossXY( ptS2 - ptS1, vtDir1) ;
dDist2 = CrossXY( ptE2 - ptS1, vtDir1) ;
if( abs( dDist1 - dDist2) < EPS_SMALL * dLen1XY){
bParallel = true ;
bFarEnds = ! ( (nS1Side == 0 && nE1Side == 0) || (nS2Side == 0 && nE2Side == 0)) ;
}
}
// estremità sovrapposte di poco
if ( ! bParallel && abs( dCrossXY) < ( 0.1 * DEGTORAD) * ( dLen1XY * dLen2XY)) {
if (( nS1Side == 0 && nS2Side == 0 && ! AreSamePointXYEpsilon( ptS1, ptS2, 2 * EPS_SMALL)) ||
( nS1Side == 0 && nE2Side == 0 && ! AreSamePointXYEpsilon( ptS1, ptE2, 2 * EPS_SMALL)) ||