From b90289e42ba0931d29240ee29ea8ba173cd24bcf Mon Sep 17 00:00:00 2001
From: Dario Sassi <dario.sassi@egalware.com>
Date: Tue, 6 Aug 2024 14:42:25 +0200
Subject: [PATCH] EgtGeomKernel : - piccole velocizzazioni per biarchi -
 modifiche per unificazioni AreSamePoint***.

---
 BiArcs.cpp     |  8 +++++---
 SurfBezier.cpp | 10 +++++-----
 2 files changed, 10 insertions(+), 8 deletions(-)

diff --git a/BiArcs.cpp b/BiArcs.cpp
index 55fcd4b..e3bb3cb 100644
--- a/BiArcs.cpp
+++ b/BiArcs.cpp
@@ -136,14 +136,16 @@ GetBiArc( const Point3d& ptP0, double dDir0Deg, const Point3d& ptP1, double dDir
 
   // determino la massima distanza tra la curva e il biarco
    double dSqDist = 0 ;
-   const double STEP = dTol ;  // scelto euristicamente
+   const double STEP = 10 ;
    Point3d ptCurr ;
    bool bPnt = PL.GetFirstPoint( ptCurr) ;
    Point3d ptPrev = ptCurr ;
    while ( bPnt) {
       double dLen = Dist( ptCurr, ptPrev) ;
-      int nStep = ( dLen < STEP ? 2 : 1) * ( int( dLen / STEP) + 1) ;
-      nStep = min( 10, nStep) ;    // scelto euristicamente
+      int nStep = int( dLen / STEP) + 1 ;
+      int nMinStep = ( dLen > 50 * dTol ? 3 : ( dLen > 10 * dTol ? 2 : 1)) ;
+      int nMaxStep = 10 ;
+      nStep = Clamp( nStep, nMinStep, nMaxStep) ;
       for ( int i = 1 ; i <= nStep ; ++ i) {
          double dCoeff = double( i) / nStep ;
          Point3d ptP = Media( ptPrev, ptCurr, dCoeff) ;
diff --git a/SurfBezier.cpp b/SurfBezier.cpp
index 330cd6d..c67584e 100644
--- a/SurfBezier.cpp
+++ b/SurfBezier.cpp
@@ -1723,23 +1723,23 @@ SurfBezier::ReorderPntVector( const POLYLINEVECTOR& vPL, bool bTriangulatedIn3D,
          nInd = 0 ;
          Point3d ptPoly ; pl.GetFirstPoint( ptPoly) ;
          bool bFound = false ;
-         if( AreSamePointStepExact( pt, ptPoly)){
+         if( AreSamePointExact( pt, ptPoly)){
             nPoints = pl.GetPointNbr() ;
             nPoly = poly ;
             bFound = true ;
             pl.GetNextPoint( ptPoly) ;
-            if( ! AreSamePointStepExact( vPnt[p+1], ptPoly))
+            if( ! AreSamePointExact( vPnt[p+1], ptPoly))
                bInverted = true ;
             break ;
          }
          while ( pl.GetNextPoint( ptPoly)  && ! bFound) {
             ++ nInd ;
-            if( AreSamePointStepExact( pt, ptPoly)) {
+            if( AreSamePointExact( pt, ptPoly)) {
                nPoints = pl.GetPointNbr() ;
                nPoly = poly ;
                bFound = true ;
                pl.GetNextPoint( ptPoly) ;
-               if( ! AreSamePointStepExact( vPnt[p+1], ptPoly))
+               if( ! AreSamePointExact( vPnt[p+1], ptPoly))
                   bInverted = true ;
                break ;
             }
@@ -1817,7 +1817,7 @@ SurfBezier::ReorderPntEnhancedVector( const POLYLINEVECTOR& vPL, bool bTriangula
          if( vbPntChecked[t])
             continue ;
          Point3d ptToCheck = vPnt[t] ;
-         if ( AreSamePointStepExact( pt, ptToCheck)) {
+         if ( AreSamePointExact( pt, ptToCheck)) {
             vbPntChecked[t] = true ;
             vPntOrd.push_back( vPntPolyToOrd[p]) ;
          }