From d79151c1d37da7a16bb9beb7a5d10ac220ca4e2c Mon Sep 17 00:00:00 2001
From: "andrea.villa" <andrea.villa@egalware.com>
Date: Thu, 30 Oct 2025 12:38:23 +0100
Subject: [PATCH] =?UTF-8?q?in=20DoubleCut,=20gestione=20feature=20con=20pi?=
 =?UTF-8?q?=C3=B9=20di=20due=20facce=20(caso=20insolito)?=
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---
 LuaLibs/ProcessDoubleCut.lua | 37 +++++++++++++++++++++++++++++-------
 1 file changed, 30 insertions(+), 7 deletions(-)

diff --git a/LuaLibs/ProcessDoubleCut.lua b/LuaLibs/ProcessDoubleCut.lua
index 6635955..dcca062 100644
--- a/LuaLibs/ProcessDoubleCut.lua
+++ b/LuaLibs/ProcessDoubleCut.lua
@@ -475,13 +475,36 @@ function ProcessDoubleCut.Make( Proc, nPhase, nRawId, nPartId, dOvmHead)
    -- dati delle facce
    local ptC = {}
    local vtN = {}
-   ptC[1], vtN[1] = EgtSurfTmFacetCenter( Proc.Id, 0, GDB_ID.ROOT)
-   ptC[2], vtN[2] = EgtSurfTmFacetCenter( Proc.Id, 1, GDB_ID.ROOT)
+   local idFirstFace, idSecondFace
+
+   -- se ci sono più di due face (caso insolito), si prendono le facce più grandi 
+   if Proc.Fct > 2 then
+      local Area = {}
+      -- si prendono le due più grandi, potrebbero essercene più di due
+      for i = 1, Proc.Fct do
+         local _, dL, dW = EgtSurfTmFacetMinAreaRectangle( Proc.Id, i - 1)
+         table.insert( Area, { nIndex = i-1, dArea = dL*dW})
+      end
+      -- ordina 'Area' in ordine decrescente
+      table.sort( Area,  function( A, B)
+                           return A.dArea > B.dArea
+                        end
+               )
+      idFirstFace = Area[1].nIndex
+      idSecondFace = Area[2].nIndex
+   else
+      idFirstFace = 0
+      idSecondFace = 1
+   end
+
+   ptC[1], vtN[1] = EgtSurfTmFacetCenter( Proc.Id, idFirstFace, GDB_ID.ROOT)
+   ptC[2], vtN[2] = EgtSurfTmFacetCenter( Proc.Id, idSecondFace, GDB_ID.ROOT)
+
    -- normale media per capire se taglio di testa o di coda
    local vtNm = ( vtN[1] + vtN[2]) ;   vtNm:normalize()
    local bHead = ( vtNm:getX() > 0)
    -- angolo diedro per stabilire se taglio convesso
-   local bAdj, ptP1, ptP2, dAng = EgtSurfTmFacetsContact( Proc.Id, 0, 1, GDB_ID.ROOT)
+   local bAdj, ptP1, ptP2, dAng = EgtSurfTmFacetsContact( Proc.Id, idFirstFace, idSecondFace, GDB_ID.ROOT)
    local bConvex = true
    local bOnY = true
    local ptPs = ( ptC[1] + ptC[2]) / 2
@@ -492,8 +515,8 @@ function ProcessDoubleCut.Make( Proc, nPhase, nRawId, nPartId, dOvmHead)
       bConvex = ( dAng > 0)
    end
    -- determino quale faccia è più grande
-   local _, dB1, dH1 = EgtSurfTmFacetMinAreaRectangle( Proc.Id, 0)
-   local _, dB2, dH2 = EgtSurfTmFacetMinAreaRectangle( Proc.Id, 1)
+   local _, dB1, dH1 = EgtSurfTmFacetMinAreaRectangle( Proc.Id, idFirstFace)
+   local _, dB2, dH2 = EgtSurfTmFacetMinAreaRectangle( Proc.Id, idSecondFace)
    local nBigInd = EgtIf( dB1 * dH1 >= dB2 * dH2, 1, 2)
    local nSmaInd = 3 - nBigInd
    -- inserimento smussi
@@ -560,8 +583,8 @@ function ProcessDoubleCut.Make( Proc, nPhase, nRawId, nPartId, dOvmHead)
                dMaxDepth = EgtTdbGetCurrToolMaxDepth() or dMaxDepth
             end
          end
-         local _, _, dDimV1 = BL.GetFaceHvRefDim( Proc.Id, 0, b3Raw)
-         local _, _, dDimV2 = BL.GetFaceHvRefDim( Proc.Id, 1, b3Raw)
+         local _, _, dDimV1 = BL.GetFaceHvRefDim( Proc.Id, idFirstFace, b3Raw)
+         local _, _, dDimV2 = BL.GetFaceHvRefDim( Proc.Id, idSecondFace, b3Raw)
          local bFace1TooLongForBlade, bFace2TooLongForBlade = ( dDimV1 >= dMaxDepth), ( dDimV2 >= dMaxDepth)
          local dFace1Ang, dFace2Ang = vtN[1]:getZ(), vtN[2]:getZ()
          if bFace1TooLongForBlade and dFace1Ang < ( BD.CUT_VZ_MIN or -0.484) or bFace2TooLongForBlade and dFace2Ang < ( BD.CUT_VZ_MIN or -0.484) then