EgtGraphics :

- correzione per zoom all con un solo punto nel DB geometrico.
2014-08-25 17:53:27 +00:00
parent 131a14a6b7
commit aa0881b85e
1 changed files with 5 additions and 0 deletions
@@ -26,6 +26,7 @@ using namespace std ;

 //--------------------------- Constants --------------------------------------
 static const double MIN_EXTENSION = 50 ;
+static const double MIN_W_H = 0.01 ;
 static const double MIN_ZCLIP_EXT = 5000 ;


@@ -413,6 +414,10 @@ Scene::AdjustDimView( double dHalfWidth, double dHalfHeight)
      }
   }

+  // verifico minimo delle dimensioni
+   dHalfWidth = max( dHalfWidth, MIN_W_H) ;
+   dHalfHeight = max( dHalfHeight, MIN_W_H) ;
+
  // adatto il rapporto tra le dimensioni calcolate a quello delle dimensioni della vista
   double dAspect = m_nViewportH / ( double) m_nViewportW ;
   if ( dAspect * dHalfWidth > dHalfHeight) {