diff --git a/EgtGraphics.rc b/EgtGraphics.rc
index 27fdc8e..1677f1c 100644
Binary files a/EgtGraphics.rc and b/EgtGraphics.rc differ
diff --git a/SceneGeom.cpp b/SceneGeom.cpp
index cf74533..afa1abf 100644
--- a/SceneGeom.cpp
+++ b/SceneGeom.cpp
@@ -28,6 +28,7 @@
 #include "/EgtDev/Include/EGkCurveComposite.h"
 #include "/EgtDev/Include/EGkSurfTriMesh.h"
 #include "/EgtDev/Include/EGkSurfFlatRegion.h"
+#include "/EgtDev/Include/EGkVolZmap.h"
 #include "/EgtDev/Include/EGkExtText.h"
 #include "/EgtDev/Include/EGkGdbFunct.h"
 
@@ -317,6 +318,34 @@ Scene::DrawGeoObj( const IGdbIterator& iIter, int nPass, const MdStMkCol& siObj)
          }
          pGraphics->EndTriangles() ;
       }
+     // se Zmap
+      else if ( nGeoType == VOL_ZMAP) {
+        // recupero il solido Zmap
+         const IVolZmap* pZmap = GetVolZmap( pGeoObj) ;
+         if ( pZmap == nullptr)
+            return false ;
+        // calcolo la grafica
+         pGraphics->Clear() ;
+         pGraphics->AddColor( BLUE) ;
+         POLYLINELIST lstPL ;
+         for ( int i = 0 ; ; ++ i) {
+            bool bOutBreak = false ;
+            for ( int j = 0 ; ; ++ j) {
+               if ( pZmap->GetDexelLines( 1, j, i, lstPL)) {
+                  for ( const auto& PL : lstPL)
+                     pGraphics->AddPolyLine( PL) ; 
+               }
+               else {
+                  if ( j == 0)
+                     bOutBreak = true ;
+                  break ;
+               }
+            } 
+            if ( bOutBreak)
+               break ;    
+         }
+
+      }
      // se testo
       else if ( nGeoType == EXT_TEXT) {
         // recupero il testo