From 45ec2c7cc96f5921409df2069e07bbe19eaeb947 Mon Sep 17 00:00:00 2001
From: Dario Sassi <dario.s@egaltech.com>
Date: Wed, 19 Jun 2019 06:25:48 +0000
Subject: [PATCH] EgtGeomKernel : - corretta IntersLineZMapBBox (box poteva
 essere troppo piccolo).

---
 VolZmapCalculus.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/VolZmapCalculus.cpp b/VolZmapCalculus.cpp
index 24762d9..fe7f2ca 100644
--- a/VolZmapCalculus.cpp
+++ b/VolZmapCalculus.cpp
@@ -146,7 +146,11 @@ VolZmap::IntersLineZMapBBox( const Point3d& ptP, const Vector3d& vtV, double& dU
 {
   // Punti estremi del box dello Zmap
    Point3d ptMin = ORIG ;
-   Point3d ptMax = ptMin + Vector3d( m_nNx[0] * m_dStep, m_nNy[0] * m_dStep, m_dMaxZ[0]) ;
+   Point3d ptMax ;
+   if ( m_nMapNum == 3)
+      ptMax = ptMin + Vector3d( m_dMaxZ[1], m_dMaxZ[2], m_dMaxZ[0]) ;
+   else
+      ptMax = ptMin + Vector3d( ( m_nNx[0] + 0.5) * m_dStep, ( m_nNy[0] + 0.5) * m_dStep, m_dMaxZ[0]) ;
 
    return IntersLineBox( ptP, vtV, ptMin, ptMax, dU1, dU2) ;
 }