DataBeam :

- corretto crash in controllo fori con tenone quando tenone nullo
- corretta lavorazione ProfHead (3/4-106-X).

LuaLibs/ProcessProfHead.lua

@@ -1,4 +1,4 @@
--- ProcessProfHead.lua by Egaltech s.r.l. 2020/10/14
+-- ProcessProfHead.lua by Egaltech s.r.l. 2020/10/24
 -- Gestione calcolo profilo di testa per Travi
 
 -- Tabella per definizione modulo
@@ -188,8 +188,15 @@ function ProcessProfHead.Make( Proc, nPhase, nRawId, nPartId, dCurrOvmH)
    local nLastFacet = EgtSurfTmFacetCount( Proc.Id) - 1             -- faccia finale
    -- determino la normale media
    local CvxHullId = EgtSurfTmConvexHullInBBox( EgtGetParent( Proc.Id), Proc.Id, b3Raw, GDB_ID.ROOT)
-   local vtN = EgtSurfTmFacetNormVersor( CvxHullId, 0, GDB_ID.ROOT)
+   local vtN = EgtSurfTmFacetNormVersor( CvxHullId or GDB_ID.NULL, 0, GDB_ID.ROOT)
    EgtErase( CvxHullId)
+   if not vtN then
+      local nRef= Proc.Fct // 3
+      local vtN1 = EgtSurfTmFacetNormVersor( Proc.Id, nRef, GDB_ID.ROOT)
+      local vtN2 = EgtSurfTmFacetNormVersor( Proc.Id, 2 * nRef, GDB_ID.ROOT)
+      vtN = vtN1 + vtN2
+      vtN:normalize()
+   end
    -- verifico se in testa o coda
    local bHead = ( vtN:getX() > 0)
    EgtOutLog( 'vtN=' .. tostring( vtN), 3)