Merge branch 'feature/SawPlusChainsaw' into develop

- commenti e piccole correzioni

LuaLibs/BeamExec.lua

@@ -62,6 +62,7 @@
 -- 2024/03/11 In CollectFeatures si scrive ora Width e Height della faccia sia trimmate con il grezzo che intere.
 -- 2024/03/13 In CollectFeatures si scrive lunghezza foro su Proc e si controla se serve Predrill
 --            In OrderFeature, preforo sempre prima del foro
+-- 2024/04/11 In CollectFeatures aggiunta lettura info PRID, scritta in Proc.FeatureId
 
 -- Tabella per definizione modulo
 local BeamExec = {}
@@ -344,31 +345,13 @@ local function CollectFeatures( PartId, b3Raw, dCurrOvmH, dCurrOvmT)
                end
                Proc.Box = EgtGetBBoxGlob( ProcId, GDB_BB.STANDARD)
                if b3Raw then
-                  local b3Solid = EgtGetBBoxGlob( EgtGetFirstNameInGroup( PartId, 'Box') or GDB_ID.NULL, GDB_BB.STANDARD)
+                  -- id della feature
+                  Proc.FeatureId = EgtGetInfo( ProcId, 'PRID', 'i') or Proc.TaskId
                   -- recupero l'elenco delle facce della parte interessate dalla feature
                   Proc.AffectedFaces = BL.GetProcessAffectedFaces( Proc)
                   -- recupero informazioni sulle facce della feature
                   if not Proc.Face then
-                     Proc.Face = {}
-                     for i = 1, Proc.Fct do
-                        Proc.Face[i] = { Id = i - 1, VtN = EgtSurfTmFacetNormVersor( Proc.Id, i - 1, GDB_ID.ROOT )}
-                        if Proc.Fct < 10 then
-                           local frHV, dFaceWidthTrimmed, dFaceHeightTrimmed = BL.GetFaceHvRefDim( Proc.Id, i - 1, b3Raw)
-                           -- frame OCS faccia
-                           Proc.Face[i].FrameHV = frHV
-                           -- larghezza OCS faccia trimmata con grezzo
-                           Proc.Face[i].WidthTrimmed = dFaceWidthTrimmed
-                           -- altezza OCS faccia trimmata con grezzo
-                           Proc.Face[i].HeightTrimmed = dFaceHeightTrimmed
-                           local _, dFaceWidth, dFaceHeight = BL.GetFaceHvRefDim( Proc.Id, i - 1)
-                           -- larghezza OCS faccia
-                           Proc.Face[i].Width = dFaceWidth
-                           -- altezza OCS faccia
-                           Proc.Face[i].Height = dFaceHeight
-                           -- elevazione calcolata rispetto al box della parte
-                           Proc.Face[i].Elevation = EgtSurfTmFacetElevationInBBox( Proc.Id, i - 1, b3Solid, true, GDB_ID.ROOT)
-                        end
-                     end
+                     Proc.Face = BL.GetFacetsInfo( Proc, b3Raw)
                   end
                end
                if Proc.Box and not Proc.Box:isEmpty() then

LuaLibs/BeamLib.lua

@@ -1169,4 +1169,47 @@ function BeamLib.IsFeatureCuttingEntireSection( b3Proc, dRawW, dRawH)
 end
 
 -------------------------------------------------------------------------------------------------------------
-return BeamLib
+function BeamLib.GetAdjacentFaces( Proc, nFacet)
+   local AdjacentFaces = {}
+   local vFaceAdjacencies = EgtSurfTmFacetAdjacencies( Proc.Id, nFacet)[1]
+   for i = 1, #vFaceAdjacencies do
+      if vFaceAdjacencies[i] > -1 then
+         local _, ptP1, ptP2 = EgtSurfTmFacetsContact( Proc.Id, nFacet, vFaceAdjacencies[i], GDB_ID.ROOT)
+         local dLen = dist( ptP1, ptP2)
+         table.insert( AdjacentFaces, { Id = vFaceAdjacencies[i], LengthOnMainFace = dLen})
+      end
+   end
+
+   return AdjacentFaces
+end
+
+-------------------------------------------------------------------------------------------------------------
+function BeamLib.GetFacetsInfo( Proc, b3Raw)
+   Face = {}
+   local b3Solid = EgtGetBBoxGlob( EgtGetFirstNameInGroup( Proc.PartId, 'Box') or GDB_ID.NULL, GDB_BB.STANDARD)
+
+   for i = 1, Proc.Fct do
+      Face[i] = { Id = i - 1, VtN = EgtSurfTmFacetNormVersor( Proc.Id, i - 1, GDB_ID.ROOT )}
+      if Proc.Fct < 10 then
+         local frHV, dFaceWidthTrimmed, dFaceHeightTrimmed = BeamLib.GetFaceHvRefDim( Proc.Id, i - 1, b3Raw)
+         -- frame OCS faccia
+         Face[i].FrameHV = frHV
+         -- larghezza OCS faccia trimmata con grezzo
+         Face[i].WidthTrimmed = dFaceWidthTrimmed
+         -- altezza OCS faccia trimmata con grezzo
+         Face[i].HeightTrimmed = dFaceHeightTrimmed
+         local _, dFaceWidth, dFaceHeight = BeamLib.GetFaceHvRefDim( Proc.Id, i - 1)
+         -- larghezza OCS faccia
+         Face[i].Width = dFaceWidth
+         -- altezza OCS faccia
+         Face[i].Height = dFaceHeight
+         -- elevazione calcolata rispetto al box della parte
+         Face[i].Elevation = EgtSurfTmFacetElevationInBBox( Proc.Id, i - 1, b3Solid, true, GDB_ID.ROOT)
+      end
+   end
+
+   return Face
+end
+
+-------------------------------------------------------------------------------------------------------------
+return BeamLib

LuaLibs/FeatureTopology.lua

@@ -113,11 +113,11 @@ end
 
 ---------------------------------------------------------------------
 -- restituisce un vettore contenente gli indici delle facce di Proc parallele ad una delle direzioni principali; il check varia in base alla famiglia topologica
-local function GetFacesParallelToPart( Proc, sFamily, bIsThrough)
+local function GetFacesParallelToPart( Proc, sFamily)
    local vFacesParallelToPart = {}
    for i = 0, Proc.Fct - 1 do
       local vtN = EgtSurfTmFacetNormVersor( Proc.Id, i, GDB_ID.ROOT)
-      if sFamily == 'Rabbet' or sFamily == 'Bevel' or sFamily == 'DoubleBevel' or sFamily == 'Strip' or sFamily == 'Tunnel' or ( sFamily == 'Groove' and bIsThrough) then
+      if sFamily == 'Rabbet' or sFamily == 'Bevel' or sFamily == 'DoubleBevel' or sFamily == 'Strip' then
          local vTriangularFaces = GetTriangularFaces( Proc)
          local bIsTriangularFace = false
          -- verifico se la faccia è triangolare
@@ -180,7 +180,12 @@ function FeatureTopology.Classify( Proc, b3Raw)
    end
 
    -- calcoli
-   if not Proc.AffectedFaces then Proc.AffectedFaces = BL.GetProcessAffectedFaces( Proc) end
+   if not Proc.AffectedFaces then
+      Proc.AffectedFaces = BL.GetProcessAffectedFaces( Proc)
+   end
+   if not Proc.Face then
+      Proc.Face = BL.GetFacetsInfo( Proc, b3Raw)
+   end
 
    local vAdj = GetAdjacencyMatrix( Proc)
    local bAllAnglesConcave, bAllRightAngles = AreAllAnglesConcaveOrRight( vAdj)
@@ -239,7 +244,7 @@ function FeatureTopology.Classify( Proc, b3Raw)
    end
 
    -- verifico se facce parallele a quelle della trave
-   local vFacesParallelToPart = GetFacesParallelToPart( Proc, sFamily, bIsThrough)
+   local vFacesParallelToPart = GetFacesParallelToPart( Proc, sFamily)
    local bIsParallel = ( #vFacesParallelToPart == Proc.Fct)
 
    -- assegnazioni
@@ -249,6 +254,7 @@ function FeatureTopology.Classify( Proc, b3Raw)
       Proc.IsThrough = bIsThrough
       Proc.AllRightAngles = bAllRightAngles
       Proc.IsParallel = bIsParallel
+      Proc.vAdj = vAdj
       return true
    else
       Proc.Topology = 'OTHER'

LuaLibs/ProcessLapJoint.lua

@@ -101,6 +101,7 @@
 -- 2024/03/04 Implementato attacco esterno se tasca 4 facce sulla coda ma nessun pezzo successivo.
 -- 2024/03/15 Correzione a calcolo ingombro per feature basse e lunghe dalla testa.
 -- 2024/04/02 In ForceSideMill escluso caso 4 facce senza possibilità di ingresso lungo Y.
+-- 2024/04/11 Aggiunta strategia SawPlusChain per lavorazione tasche con lama + sega a catena opzionale. Attivata con Q11.
 
 -- Tabella per definizione modulo
 local ProcessLapJoint = {}
@@ -174,6 +175,7 @@ local function AssignQIdent( Proc)
    Q_ANTISPLINT_TYPE    = ''
    Q_MAX_ELEVATION      = 'Q10'
    Q_STAIRCASE          = ''
+   Q_SAW_PLUS_CHAIN     = 'Q11'
 
    if ( Proc.Grp == 3 or Proc.Grp == 4)  and  Proc.Prc == 16 then
       Q_FORCE_BLADE         = 'Q01' -- i
@@ -4584,6 +4586,704 @@ local function MakeTunnelByChainSaw( Proc, sSawing, nLundIdFace, vtOrtho, dWorkD
    return true
 end
 
+---------------------------------------------------------------------
+--#region SawPlusChain
+
+-- 5 facce: la faccia di fondo è il fondo della tasca, la faccia da lavorare è grande, le facce laterali sono le due piccole
+-- 4 facce con faccia di fondo piccola: la faccia da lavorare è grande (2 adj) e l'unica faccia laterale è piccola
+-- 4 facce con faccia di fondo grande: la faccia da lavorare è piccola (3 adj) e le facce laterali sono le due piccole
+-- 3 facce: la faccia di fondo è il fondo della tasca, la faccia da lavorare è grande, non ci sono facce laterali
+
+-- TODO gestione messaggi in funzione apposita (almeno per append)
+
+-- TODO gestire topologia tunnel (anche da due lati)
+
+local SawPlusChain =  {}
+SawPlusChain.Saw = {}
+SawPlusChain.Chainsaw = {}
+
+
+function SawPlusChain.IsTopologyOk( Proc)
+   if Proc.TopologyLongName == 'Pocket-Blind-RightAngles-Parallel-5' or
+      Proc.TopologyLongName == 'Groove-Through-RightAngles-Parallel-3' or
+      Proc.TopologyLongName == 'Groove-Blind-RightAngles-Parallel-4' then
+
+      return true
+   else
+      return false
+   end
+end
+
+
+function SawPlusChain.GetBottomFace( Proc)
+   -- la faccia di fondo ha sempre Fct - 1 adiacenze. Se si trovano più facce di fondo si sceglie quella con minor elevazione
+   local vBottomFace = Topology.GetFacesWithGivenAdjacencyNumber( Proc, Proc.vAdj, Proc.Fct - 1)
+   local nBottomFace
+   if #vBottomFace > 1 then
+      local dMinElevation = GEO.INFINITO
+      for i = 1, #vBottomFace do
+         for j = 1, Proc.Fct do
+            if vBottomFace[i] == Proc.Face[j].Id then
+               if Proc.Face[j].Elevation < dMinElevation then
+                  dMinElevation = Proc.Face[j].Elevation
+                  nBottomFace = Proc.Face[j].Id
+               end
+            end
+         end
+      end
+   else
+      nBottomFace = vBottomFace[1]
+   end
+
+   local BottomFace = {}
+   BottomFace.Id = nBottomFace
+   BottomFace.Width = Proc.Face[nBottomFace + 1].Width
+   BottomFace.Height = Proc.Face[nBottomFace + 1].Height
+   BottomFace.Elevation = Proc.Face[nBottomFace + 1].Elevation
+   BottomFace.VtN = Proc.Face[nBottomFace + 1].VtN
+   if BottomFace.Height > BottomFace.Width then
+      BottomFace.Height, BottomFace.Width = BottomFace.Width, BottomFace.Height
+   end
+
+   return BottomFace
+end
+
+
+function SawPlusChain.GetFaceToMachine( Proc)
+   if not Proc.Pocket.BottomFace or not Proc.Pocket.BottomFace.Id then
+      Proc.Pocket.BottomFace = SawPlusChain.GetBottomFace( Proc)
+   end
+
+   -- facce adiacenti a quella di fondo, ordinate
+   local FacesAdjacentToBottom = BL.GetAdjacentFaces( Proc, Proc.Pocket.BottomFace.Id)
+   table.sort( FacesAdjacentToBottom, function( a, b) return a.LengthOnMainFace > b.LengthOnMainFace end)
+
+   -- si sceglie la faccia adiacente sul lato più lungo
+   local FaceToMachine = {}
+   FaceToMachine.Id = FacesAdjacentToBottom[1].Id
+   for i = 1, Proc.Fct do
+      if FaceToMachine.Id == Proc.Face[i].Id then
+         FaceToMachine.Width = Proc.Face[i].Width
+         FaceToMachine.Height = Proc.Face[i].Height
+         FaceToMachine.Elevation = Proc.Face[i].Elevation
+         FaceToMachine.VtN = Proc.Face[i].VtN
+         if FaceToMachine.Height > FaceToMachine.Width then
+            FaceToMachine.Height, FaceToMachine.Width = FaceToMachine.Width, FaceToMachine.Height
+         end
+      end
+   end
+
+   return FaceToMachine
+end
+
+
+function SawPlusChain.GetSideFaces( Proc)
+   if not Proc.Pocket.BottomFace or not Proc.Pocket.BottomFace.Id then
+      Proc.Pocket.BottomFace = SawPlusChain.GetBottomFace( Proc)
+   end
+   if not Proc.Pocket.FaceToMachine or not Proc.Pocket.FaceToMachine.Id then
+      Proc.Pocket.FaceToMachine = SawPlusChain.GetFaceToMachine( Proc)
+   end
+
+   -- facce adiacenti a quella di fondo, ordinate
+   local FacesAdjacentToBottom = BL.GetAdjacentFaces( Proc, Proc.Pocket.BottomFace.Id)
+   table.sort( FacesAdjacentToBottom, function( a, b) return a.LengthOnMainFace > b.LengthOnMainFace end)
+
+   -- si determina il criterio di scelta delle facce laterali
+   local FacesAdjacentToFaceToMachine = BL.GetAdjacentFaces( Proc, Proc.Pocket.FaceToMachine.Id)
+   local bIsFaceToMachineTheLargest = not ( Proc.Fct == 4 and #FacesAdjacentToFaceToMachine == 3)
+
+   local SideFaces = {}
+   for i = 1, #FacesAdjacentToBottom do
+      if ( not bIsFaceToMachineTheLargest and i < #FacesAdjacentToBottom) or
+         ( bIsFaceToMachineTheLargest and i > 2) then
+         table.insert( SideFaces, FacesAdjacentToBottom[i])
+         SideFaces[ #SideFaces].Id = FacesAdjacentToBottom[i].Id
+         SideFaces[ #SideFaces].Width = Proc.Face[FacesAdjacentToBottom[i].Id + 1].Width
+         SideFaces[ #SideFaces].Height = Proc.Face[FacesAdjacentToBottom[i].Id + 1].Height
+         SideFaces[ #SideFaces].Elevation = Proc.Face[FacesAdjacentToBottom[i].Id + 1].Elevation
+         SideFaces[ #SideFaces].VtN = Proc.Face[FacesAdjacentToBottom[i].Id + 1].VtN
+         if SideFaces[ #SideFaces].Height > SideFaces[ #SideFaces].Width then
+            SideFaces[ #SideFaces].Height, SideFaces[ #SideFaces].Width = SideFaces[ #SideFaces].Width, SideFaces[ #SideFaces].Height
+         end
+      end
+   end
+
+   return SideFaces
+end
+
+
+function SawPlusChain.GetToolFromMachining( sMachiningName)
+   local Tool = {}
+   if EgtMdbSetCurrMachining( sMachiningName) then
+      local sTuuid = EgtMdbGetCurrMachiningParam( MCH_MP.TUUID)
+      if EgtTdbSetCurrTool( EgtTdbGetToolFromUUID( sTuuid) or '') then
+         Tool.Name = EgtTdbGetCurrToolParam( MCH_TP.NAME)
+         Tool.IsCCW = ( EgtMdbGetCurrMachiningParam( MCH_MP.SPEED) < 0)
+         Tool.Type = EgtTdbGetCurrToolParam( MCH_TP.TYPE)
+         Tool.Diameter = EgtTdbGetCurrToolParam( MCH_TP.DIAM) or 0
+         -- lama
+         if Tool.Type == MCH_TY.SAW_STD or Tool.Type == MCH_TY.SAW_FLAT then
+            Tool.Thickness = EgtTdbGetCurrToolParam(MCH_TP.THICK) or 0
+            Tool.MaxDepth = EgtTdbGetCurrToolMaxDepth() or 0
+            Tool.SideStep = EgtTdbGetCurrToolValInNotes( MCH_TP.USERNOTES, 'SIDESTEP', 'd')
+         -- sega a catena
+         elseif Tool.Type == MCH_TY.MORTISE_STD then
+            Tool.Length = EgtTdbGetCurrToolParam( MCH_TP.LEN) or 0
+            Tool.MaxMat = EgtTdbGetCurrToolParam( MCH_TP.MAXMAT) or 0
+            Tool.Width = EgtTdbGetCurrToolParam( MCH_TP.DIAM) or 0
+            Tool.Thickness = EgtTdbGetCurrToolParam( MCH_TP.THICK) or 0
+            Tool.CornerRadius = EgtTdbGetCurrToolParam( MCH_TP.CORNRAD) or 0
+         -- altri utensili al momento non previsti
+         else
+            error( 'Wrong tool type')
+         end
+      end
+   end
+
+   return Tool
+end
+
+
+function SawPlusChain.GetVerticalSteps( Proc, Machining)
+   if not Proc.Pocket or not Proc.Pocket.Height then
+      error( 'Missing pocket depth')
+   elseif not Machining.Tool or not Machining.Tool.Thickness then
+      error( 'Missing tool thickness')
+   end
+   local VerticalSteps = {}
+   VerticalSteps.StepLength = 0
+   VerticalSteps.Count = ceil( ( Proc.Pocket.Height - 10 * GEO.EPS_SMALL) / Machining.Tool.Thickness)
+   if VerticalSteps.Count > 1 then
+      VerticalSteps.StepLength = ( Proc.Pocket.Height - Machining.Tool.Thickness) / ( VerticalSteps.Count - 1)
+   end
+
+   return VerticalSteps
+end
+
+
+function SawPlusChain.GetHorizontalSteps( Machining)
+   if not Machining.Depth then
+      error( 'Missing machining depth')
+   end
+   local HorizontalSteps = {}
+   HorizontalSteps.StepLength = 0
+   HorizontalSteps.Count = ceil( ( Machining.Depth - 10 * GEO.EPS_SMALL) / Machining.Tool.SideStep)
+   if HorizontalSteps.Count > 1 then
+      HorizontalSteps.StepLength = ( Machining.Depth - Machining.Tool.SideStep) / ( HorizontalSteps.Count - 1)
+   end
+
+   return HorizontalSteps
+end
+
+
+function SawPlusChain.CalculateLeadInOut( Proc, Machining)
+   -- TODO implementare le funzioni di Tool Collision Avoidance (vedi wiki e FacesBysaw -> CalcLeadInOutPerpGeom)
+
+   -- si determina se l'inizio o la fine della lavorazione sono chiusi e l'eventuale riduzione da applicare
+   local bIsStartClosed = false
+   local bIsEndClosed = false
+   local bIsMortising = ( Machining.Type == MCH_OY.MORTISING)
+   local dAddLengthToReduce = 0
+   if bIsMortising then
+      dAddLengthToReduce = Machining.Tool.Diameter / 2
+   else
+      dAddLengthToReduce = sqrt( Machining.Depth * Machining.Tool.Diameter - Machining.Depth * Machining.Depth)
+   end
+   if #( Proc.Pocket.SideFaces) == 2 then
+      bIsStartClosed = true
+      bIsEndClosed = true
+   elseif #( Proc.Pocket.SideFaces) == 1 then
+      local CCWDirection = ( Machining.FaceToMachine.VtN ^ Proc.Pocket.BottomFace.VtN)
+      if Machining.ToolInvert or bIsMortising then
+         CCWDirection = - CCWDirection
+      end
+      if CCWDirection * Proc.Pocket.SideFaces[1].VtN > 10 * GEO.EPS_SMALL then
+         if Machining.Tool.IsCCW then
+            bIsStartClosed = true
+         else
+            bIsEndClosed = true
+         end
+      else
+         if Machining.Tool.IsCCW then
+            bIsEndClosed = true
+         else
+            bIsStartClosed = true
+         end
+      end
+   end
+
+   local LeadIn = {}
+   local LeadOut = {}
+   LeadIn.StartAddLength = 0
+   LeadOut.EndAddLength = 0
+   if not bIsMortising then
+      LeadIn.Type = MCH_MILL_LI.LINEAR
+      LeadOut.Type = MCH_MILL_LI.LINEAR
+      LeadIn.TangentDistance = 0
+      LeadOut.TangentDistance = 0
+      LeadIn.PerpDistance = Proc.Pocket.Depth + BD.CUT_SIC
+      LeadOut.PerpDistance = Proc.Pocket.Depth + BD.CUT_SIC
+      LeadIn.Elevation = 0
+      LeadOut.Elevation = 0
+      LeadIn.CompLength = 0
+      LeadOut.CompLength = 0
+      if bIsStartClosed and bIsEndClosed then
+         LeadIn.StartAddLength = -dAddLengthToReduce
+         LeadOut.EndAddLength = -dAddLengthToReduce
+      elseif bIsStartClosed then
+         LeadIn.StartAddLength = -dAddLengthToReduce
+         -- eventuale correzione per accorciamento maggiore di larghezza tasca
+         LeadOut.EndAddLength = max( -LeadIn.StartAddLength - Proc.Pocket.Width + 10 * BD.CUT_EXTRA, BD.CUT_EXTRA)
+      elseif bIsEndClosed then
+         LeadOut.EndAddLength = -dAddLengthToReduce
+         -- eventuale correzione per accorciamento maggiore di larghezza tasca
+         LeadIn.StartAddLength = max( -LeadOut.EndAddLength - Proc.Pocket.Width + 10 * BD.CUT_EXTRA, BD.CUT_EXTRA)
+      else
+         LeadIn.StartAddLength = BD.CUT_EXTRA
+         LeadOut.EndAddLength = BD.CUT_EXTRA
+      end
+   else
+      if bIsStartClosed then
+         LeadIn.StartAddLength = -dAddLengthToReduce
+      else
+         LeadIn.StartAddLength = BD.CUT_EXTRA
+      end
+      if bIsEndClosed then
+         LeadOut.EndAddLength = -dAddLengthToReduce
+      else
+         LeadOut.EndAddLength = BD.CUT_EXTRA
+      end
+   end
+
+   return LeadIn, LeadOut
+end
+
+
+function SawPlusChain.ApplyMachining( Machining, b3Raw)
+   local sErr = ''
+   local nOperationId = EgtAddMachining( Machining.OperationName, Machining.Name)
+   if not nOperationId then
+      sErr = 'Error adding machining ' .. Machining.OperationName .. '-' .. Machining.Name
+      EgtOutLog( sErr)
+      return false, sErr
+   end
+
+   -- impostazione parametri lavorazione
+   local sUserNotes = EgtGetMachiningParam( MCH_MP.USERNOTES)
+   EgtSetMachiningGeometry( {{ Machining.ProcId, Machining.FaceToMachine.Id}})
+   EgtSetMachiningParam( MCH_MP.FACEUSE, Machining.Faceuse)
+   EgtSetMachiningParam( MCH_MP.SCC, Machining.SCC)
+   EgtSetMachiningParam( MCH_MP.INVERT, Machining.Invert)
+   EgtSetMachiningParam( MCH_MP.WORKSIDE, Machining.Workside)
+   EgtSetMachiningParam( MCH_MP.TOOLINVERT, Machining.ToolInvert)
+   EgtSetMachiningParam( MCH_MP.OFFSR, Machining.RadialOffset)
+   EgtSetMachiningParam( MCH_MP.OFFSL, Machining.LongitudinalOffset)
+   if Machining.Type ~= MCH_OY.MORTISING then
+      EgtSetMachiningParam( MCH_MP.LEADINTYPE, Machining.LeadIn.Type)
+      EgtSetMachiningParam( MCH_MP.LEADOUTTYPE, Machining.LeadOut.Type)
+      EgtSetMachiningParam( MCH_MP.LITANG, Machining.LeadIn.TangentDistance)
+      EgtSetMachiningParam( MCH_MP.LOTANG, Machining.LeadOut.TangentDistance)
+      EgtSetMachiningParam( MCH_MP.LIPERP, Machining.LeadIn.PerpDistance)
+      EgtSetMachiningParam( MCH_MP.LOPERP, Machining.LeadOut.PerpDistance)
+      EgtSetMachiningParam( MCH_MP.LIELEV, Machining.LeadIn.Elevation)
+      EgtSetMachiningParam( MCH_MP.LOELEV, Machining.LeadOut.Elevation)
+      EgtSetMachiningParam( MCH_MP.LICOMPLEN, Machining.LeadIn.CompLength)
+      EgtSetMachiningParam( MCH_MP.LOCOMPLEN, Machining.LeadOut.CompLength)
+   end
+   EgtSetMachiningParam( MCH_MP.STARTADDLEN, Machining.LeadIn.StartAddLength)
+   EgtSetMachiningParam( MCH_MP.ENDADDLEN, Machining.LeadOut.EndAddLength)
+   if Machining.Steps then
+      if Machining.Steps.StepType then
+         EgtSetMachiningParam( MCH_MP.STEPTYPE, Machining.Steps.StepType)
+      end
+      if Machining.Steps.StepLength then
+         EgtSetMachiningParam( MCH_MP.STEP, Machining.Steps.StepLength)
+      end
+   end
+   EgtSetMachiningParam( MCH_MP.BLOCKEDAXIS, BL.GetBlockedAxis( Machining.Name, Machining.BlockedAxis.Orientation, b3Raw, Machining.FaceToMachine.VtN, Machining.BlockedAxis.VtOut))
+   if Machining.Type == MCH_OY.MORTISING then
+      EgtSetMachiningParam( MCH_MP.INITANGS, BL.GetChainSawInitAngs( Machining.FaceToMachine.VtN, Machining.Direction, Machining.SuggestedAngles.Index))
+   end
+   EgtSetMachiningParam( MCH_MP.OVERL, Machining.Overlap)
+   EgtSetMachiningParam( MCH_MP.STARTPOS, max( Machining.StartSafetyLength, EgtGetMachiningParam( MCH_MP.STARTPOS)))
+   if Machining.MaxElev then
+      sUserNotes = EgtSetValInNotes( sUserNotes, 'MaxElev', Machining.MaxElev)
+   end
+   EgtSetMachiningParam( MCH_MP.USERNOTES, sUserNotes)
+
+   local bIsApplyOk = ML.ApplyMachining( true, false)
+   if not bIsApplyOk then
+      local nErr
+      nErr, sErr = EgtGetLastMachMgrError()
+      -- se mortasatura e l'errore è compatibile (Axes values not calculable) si prova con l'altra configurazione dell'asse bloccato
+      -- TODO valutare se c'è modo di capire preventivamente la configurazione dell'asse bloccato e quindi rimuovere questa parte di codice
+      if Machining.Type == MCH_OY.MORTISING and nErr == 2507 then
+         if Machining.BlockedAxis.Orientation  == 'perpendicular' then
+            Machining.BlockedAxis.Orientation = 'parallel'
+         else
+            Machining.BlockedAxis.Orientation  = 'perpendicular'
+         end
+         EgtSetMachiningParam( MCH_MP.BLOCKEDAXIS, BL.GetBlockedAxis( Machining.Name, Machining.BlockedAxis.Orientation, b3Raw, Machining.FaceToMachine.VtN, Machining.BlockedAxis.VtOut))
+         if Machining.SuggestedAngles.Index == 1 then
+            Machining.SuggestedAngles.Index = 2
+         else
+            Machining.SuggestedAngles.Index = 1
+         end
+         EgtSetMachiningParam( MCH_MP.INITANGS, BL.GetChainSawInitAngs( Machining.FaceToMachine.VtN, Machining.Direction, Machining.SuggestedAngles.Index))
+         sErr = ''
+         bIsApplyOk = ML.ApplyMachining( true, false)
+      end
+      if not bIsApplyOk then
+         nErr, sErr = EgtGetLastMachMgrError()
+         EgtSetOperationMode( nOperationId, false)
+         return false, sErr
+      end
+   end
+
+   return true, sErr
+end
+
+
+function SawPlusChain.Saw.GetSCC( vtMachiningDirection)
+   -- TODO implementare SCC come per FacesBySaw
+   local nSCC = MCH_SCC.NONE
+   if AreSameVectorApprox( vtMachiningDirection, Z_AX()) then
+      nSCC = MCH_SCC.ADIR_ZP
+   elseif AreOppositeVectorApprox( vtMachiningDirection, Z_AX()) then
+      nSCC = MCH_SCC.ADIR_ZM
+   elseif AreSameVectorApprox( vtMachiningDirection, Y_AX()) then
+      nSCC = MCH_SCC.ADIR_YP
+   elseif AreOppositeVectorApprox( vtMachiningDirection, Y_AX()) then
+      nSCC = MCH_SCC.ADIR_YM
+   elseif AreSameVectorApprox( vtMachiningDirection, X_AX()) then
+      nSCC = MCH_SCC.ADIR_XP
+   elseif AreOppositeVectorApprox( vtMachiningDirection, X_AX()) then
+      nSCC = MCH_SCC.ADIR_XM
+   end
+
+   return nSCC
+end
+
+
+function SawPlusChain.Saw.CalculateMachiningParameters( Proc)
+   local Cutting = {}
+   Cutting.CanApply = true
+   Cutting.Message = ''
+   Cutting.ProcId = Proc.Id
+
+   -- ricerca lavorazione
+   Cutting.Name = ML.FindCutting( 'HeadSide', true, false)
+   if not Cutting.Name then
+      Cutting.Message = 'Feature '.. Proc.FeatureId .. ' : strategy ' .. Proc.Pocket.Strategy .. ' not applicable - saw blade not found'
+      Cutting.CanApply = false
+      EgtOutLog( Cutting.Message)
+      return Cutting
+   end
+   Cutting.Type = MCH_OY.MILLING
+   Cutting.Tool = SawPlusChain.GetToolFromMachining( Cutting.Name)
+   Cutting.FaceToMachine = Proc.Pocket.FaceToMachine
+
+   -- verifica dimensioni tasca compatibili
+   -- se tasca meno spessa della lama la strategia non è applicabile
+   if Cutting.Tool.Thickness > Proc.Pocket.Height + 10 * GEO.EPS_SMALL then
+      Cutting.Message = 'Feature '.. Proc.FeatureId .. ' : strategy ' .. Proc.Pocket.Strategy .. ' not applicable - pocket too narrow for saw blade thickness'
+      Cutting.CanApply = false
+      EgtOutLog( Cutting.Message)
+      return Cutting
+   end
+   if #( Proc.Pocket.SideFaces) > 1 then
+      -- se tasca più stretta della lama la strategia non è applicabile
+      if Cutting.Tool.Diameter > Proc.Pocket.Width + 10 * GEO.EPS_SMALL then
+         Cutting.Message = 'Feature '.. Proc.FeatureId .. ' : strategy ' .. Proc.Pocket.Strategy .. ' not applicable - pocket too narrow for saw blade diameter'
+         Cutting.CanApply = false
+         EgtOutLog( Cutting.Message)
+         return Cutting
+      end
+   end
+
+   -- parametri della lavorazione
+   -- direzione utensile
+   Cutting.Direction = Proc.Pocket.Direction
+   -- lato di lavoro e inversioni
+   if Cutting.Tool.IsCCW then
+      Cutting.Workside = MCH_MILL_WS.RIGHT
+      Cutting.Invert = true
+   else
+      Cutting.Workside = MCH_MILL_WS.LEFT
+      Cutting.Invert = false
+   end
+   -- TODO gestire lama da sotto e lama downUp
+   if Cutting.FaceToMachine.VtN:getZ() < - 10 * GEO.EPS_SMALL then
+      Cutting.ToolInvert = true
+      Cutting.Invert = not Cutting.Invert
+   else
+      Cutting.ToolInvert = false
+   end
+   -- profondità e offset radiale
+   if Cutting.Tool.MaxDepth > Proc.Pocket.Depth - 10 * GEO.EPS_SMALL then
+      Cutting.Depth = Proc.Pocket.Depth
+      Cutting.RadialOffset = 0
+   else
+      Cutting.Depth = Cutting.Tool.MaxDepth
+      Cutting.RadialOffset = Proc.Pocket.Depth - Cutting.Depth
+      if Proc.Pocket.ApplyOnlySawblade then
+         Cutting.Message = 'Feature '.. Proc.FeatureId .. ' : sawblade elevation (' .. EgtNumToString( Proc.Pocket.Depth, 1) .. ') bigger than max tool depth (' .. EgtNumToString( Cutting.Depth, 1) .. ')'
+         EgtOutLog( Cutting.Message)
+      end
+   end
+   -- step verticale e offset longitudinale
+   Cutting.Steps = SawPlusChain.GetVerticalSteps( Proc, Cutting)
+   Cutting.Steps.StepType = MCH_MILL_ST.ONEWAY
+   Cutting.MaxElev = Cutting.Steps.StepLength * Cutting.Steps.Count - 10 * GEO.EPS_SMALL
+   if Cutting.ToolInvert and Cutting.Steps.Count > 1 then
+      Cutting.LongitudinalOffset = - Proc.Pocket.Height
+   else
+      Cutting.LongitudinalOffset = 0
+   end
+   -- distanza di sicurezza
+   Cutting.StartSafetyLength = 10
+   -- overlap
+   Cutting.Overlap = 0
+   -- faceuse
+   Cutting.Faceuse = BL.GetNearestOrthoOpposite( Cutting.Direction)
+   -- SCC
+   Cutting.SCC = SawPlusChain.Saw.GetSCC( Cutting.Direction)
+   -- angoli suggeriti
+   Cutting.SuggestedAngles = ''
+   -- asse bloccato
+   Cutting.BlockedAxis = {}
+   Cutting.BlockedAxis.Orientation = 'perpendicular'
+   Cutting.BlockedAxis.VtOut = EgtIf( Cutting.FaceToMachine.VtN:getX() > 0, X_AX(), -X_AX())
+   -- approccio e retrazione
+   Cutting.LeadIn, Cutting.LeadOut = SawPlusChain.CalculateLeadInOut( Proc, Cutting)
+   -- eventuale step orizzontale
+   Cutting.HorizontalSteps = {}
+   if Cutting.Tool.SideStep then
+      Cutting.HorizontalSteps = SawPlusChain.GetHorizontalSteps( Cutting)
+   else
+      Cutting.HorizontalSteps.Count = 1
+      Cutting.HorizontalSteps.StepLength = 0
+   end
+   -- nome operazione
+   Cutting.OperationName = 'Cut_' .. ( EgtGetName( Cutting.ProcId) or tostring( Cutting.ProcId)) .. '_' .. tostring( Cutting.FaceToMachine.Id + 1)
+
+   -- eventuale avviso di danneggiamento pezzo successivo
+   local dOffsideLength = max( Cutting.LeadIn.StartAddLength, Cutting.LeadOut.EndAddLength) + Cutting.Tool.Diameter / 2 + 10 * GEO.EPS_SMALL
+   if ( not Proc.Tail or Proc.AdvTail) and Proc.AffectedFaces.Left and ( Proc.Pocket.DistanceToNextPart < dOffsideLength) then
+      local sDamageNextPieceMessage = 'Feature '.. Proc.FeatureId .. ' : sawblade can damage next piece.'
+      if #Cutting.Message > 0 then
+         Cutting.Message = Cutting.Message .. '\n' .. sDamageNextPieceMessage
+      else
+         Cutting.Message = sDamageNextPieceMessage
+      end
+      EgtOutLog( sDamageNextPieceMessage)
+   end
+
+   return Cutting
+end
+
+
+function SawPlusChain.Chainsaw.CalculateMachiningParameters( Proc)
+   local Chainsawing = {}
+   Chainsawing.CanApply = true
+   Chainsawing.Message = ''
+   Chainsawing.ProcId = Proc.Id
+
+   -- ricerca lavorazione
+   Chainsawing.Name = ML.FindSawing( 'Sawing', Proc.Pocket.Depth)
+   if not Chainsawing.Name then
+      Chainsawing.Name = ML.FindSawing( 'Sawing', nil, nil, 'Longest')
+   end
+   if not Chainsawing.Name then
+      Chainsawing.Message = 'Feature '.. Proc.FeatureId .. ' : strategy ' .. Proc.Pocket.Strategy .. ' not applicable - chainsaw not found'
+      Chainsawing.CanApply = false
+      EgtOutLog( Chainsawing.Message)
+      return Chainsawing
+   end
+   Chainsawing.Type = MCH_OY.MORTISING
+   Chainsawing.Tool = SawPlusChain.GetToolFromMachining( Chainsawing.Name)
+   Chainsawing.FaceToMachine = Proc.Pocket.FaceToMachine
+
+   -- verifica dimensioni tasca compatibili
+   -- se tasca meno spessa della sega a catena la strategia non è applicabile
+   if Chainsawing.Tool.Thickness > Proc.Pocket.Height + 10 * GEO.EPS_SMALL then
+      Chainsawing.Message = 'Feature '.. Proc.FeatureId .. ' : strategy ' .. Proc.Pocket.Strategy .. ' not applicable - pocket too narrow for chainsaw thickness'
+      Chainsawing.CanApply = false
+      EgtOutLog( Chainsawing.Message)
+      return Chainsawing
+   end
+   if #( Proc.Pocket.SideFaces) > 1 then
+      -- se tasca più stretta della sega a catena la strategia non è applicabile
+      if Chainsawing.Tool.Width > Proc.Pocket.Width + 10 * GEO.EPS_SMALL then
+         Chainsawing.Message = 'Feature '.. Proc.FeatureId .. ' : strategy ' .. Proc.Pocket.Strategy .. ' not applicable - pocket too narrow for chainsaw width'
+         Chainsawing.CanApply = false
+         EgtOutLog( Chainsawing.Message)
+         return Chainsawing
+      end
+   end
+
+   -- parametri della lavorazione
+   -- direzione utensile
+   Chainsawing.Direction = Proc.Pocket.Direction
+   -- lato di lavoro e inversioni
+   if Chainsawing.Tool.IsCCW then
+      Chainsawing.Workside = MCH_MILL_WS.RIGHT
+      Chainsawing.Invert = false
+   else
+      Chainsawing.Workside = MCH_MILL_WS.LEFT
+      Chainsawing.Invert = true
+   end
+   Chainsawing.ToolInvert = false
+   -- profondità e offset longitudinale
+   if Chainsawing.Tool.MaxMat > Proc.Pocket.Depth - 10 * GEO.EPS_SMALL then
+      Chainsawing.Depth = Proc.Pocket.Depth
+      Chainsawing.LongitudinalOffset = 0
+   else
+      Chainsawing.Depth = Chainsawing.Tool.MaxMat
+      Chainsawing.LongitudinalOffset = Proc.Pocket.Depth - Chainsawing.Depth
+      Chainsawing.Message = 'Feature '.. Proc.FeatureId .. ' : chainsaw elevation (' .. EgtNumToString( Proc.Pocket.Depth, 1) .. ') bigger than max tool depth (' .. EgtNumToString( Chainsawing.Depth, 1) .. ')'
+      EgtOutLog( Chainsawing.Message)
+   end
+   -- offset radiale
+   Chainsawing.RadialOffset = 0
+   -- distanza di sicurezza
+   Chainsawing.StartSafetyLength = Proc.Pocket.Depth
+   -- overlap
+   Chainsawing.Overlap = 0
+   -- faceuse
+   Chainsawing.Faceuse = BL.GetNearestParalOpposite( Chainsawing.Direction)
+   -- SCC
+   Chainsawing.SCC = MCH_SCC.NONE
+   -- asse bloccato e angoli suggeriti
+   Chainsawing.BlockedAxis = {}
+   Chainsawing.BlockedAxis.Orientation = 'perpendicular'
+   Chainsawing.SuggestedAngles = {}
+   Chainsawing.SuggestedAngles.Index = 1
+   -- approccio e retrazione
+   Chainsawing.LeadIn, Chainsawing.LeadOut = SawPlusChain.CalculateLeadInOut( Proc, Chainsawing)
+   -- eventuale step verticale
+   Chainsawing.VerticalSteps = SawPlusChain.GetVerticalSteps( Proc, Chainsawing)
+   -- nome operazione
+   Chainsawing.OperationName = 'Chainsaw_' .. ( EgtGetName( Chainsawing.ProcId) or tostring( Chainsawing.ProcId)) .. '_' .. tostring( Chainsawing.FaceToMachine.Id + 1)
+
+   -- eventuale avviso di danneggiamento pezzo successivo
+   local dOffsideLength = max( Chainsawing.LeadIn.StartAddLength, Chainsawing.LeadOut.EndAddLength) + Chainsawing.Tool.Width / 2 + 10 * GEO.EPS_SMALL
+   if ( not Proc.Tail or Proc.AdvTail) and Proc.AffectedFaces.Left and ( Proc.Pocket.DistanceToNextPart < dOffsideLength) then
+      local sDamageNextPieceMessage = 'Feature '.. Proc.FeatureId .. ' : chainsaw can damage next piece.'
+      if #Chainsawing.Message > 0 then
+         Chainsawing.Message = Chainsawing.Message .. '\n' .. sDamageNextPieceMessage
+      else
+         Chainsawing.Message = sDamageNextPieceMessage
+      end
+      EgtOutLog( sDamageNextPieceMessage)
+   end
+
+   return Chainsawing
+end
+
+
+function SawPlusChain.Make( Proc, nRawId, nPhase, bOnlySaw)
+   Proc.Pocket = {}
+   Proc.Pocket.ApplyOnlySawblade = bOnlySaw
+   Proc.Pocket.Strategy = 'SawPlusChain'
+   local b3Raw = EgtGetRawPartBBox( nRawId)
+
+   -- TODO per implementare la strategia con lapjoint lunghe bisogna prima riconoscere le topologie che arrivano
+   if Proc.IsSplittedLapJoint then
+      local sErr = 'Feature '.. Proc.FeatureId .. ' : strategy ' .. Proc.Pocket.Strategy .. ' not implemented for long lapjoint'
+      EgtOutLog( sErr)
+      return false, sErr
+   end
+
+   if not SawPlusChain.IsTopologyOk( Proc) then
+      local sErr = 'Feature '.. Proc.FeatureId .. ' : strategy ' .. Proc.Pocket.Strategy .. ' not implemented'
+      EgtOutLog( sErr)
+      return false, sErr
+   end
+
+   -- se tasca su faccia sotto la strategia non è applicabile (la sega a catena in generale non può lavorare da sotto)
+   -- TODO se OnlySaw questo test è da rimuovere ma bisogna considerare anche la lama da sotto
+   if Proc.AffectedFaces.Bottom and ( Proc.Fct > 3 or not Proc.AffectedFaces.Top)  then
+      local sErr = 'Feature '.. Proc.FeatureId .. ' : strategy ' .. Proc.Pocket.Strategy .. ' not applicable - pocket on bottom face'
+      EgtOutLog( sErr)
+      return false, sErr
+   end
+
+   -- caratteristiche della tasca
+   Proc.Pocket.BottomFace = SawPlusChain.GetBottomFace( Proc)
+   Proc.Pocket.FaceToMachine = SawPlusChain.GetFaceToMachine( Proc)
+   Proc.Pocket.SideFaces = SawPlusChain.GetSideFaces( Proc)
+   Proc.Pocket.Width = Proc.Pocket.BottomFace.Width
+   Proc.Pocket.Height = Proc.Pocket.BottomFace.Height
+   Proc.Pocket.Depth = Proc.Pocket.BottomFace.Elevation
+   Proc.Pocket.Direction = Proc.Pocket.BottomFace.VtN
+   Proc.Pocket.DistanceToNextPart = BL.GetDistanceToNextPart( nRawId, nPhase)
+
+   -- parametri lavorazione di lama
+   local Cutting = SawPlusChain.Saw.CalculateMachiningParameters( Proc)
+
+   -- applicazione lavorazione di lama con eventuali step XY
+   local bIsCuttingOk = false
+   local sCuttingApplyMessage = ''
+   if Cutting.CanApply then
+      local dOriginalRadialOffset = Cutting.RadialOffset
+      local dOriginalLeadInPerpDistance = Cutting.LeadIn.PerpDistance
+      local dOriginalLeadOutPerpDistance = Cutting.LeadOut.PerpDistance
+      for i = Cutting.HorizontalSteps.Count, 1, -1 do
+         Cutting.RadialOffset = dOriginalRadialOffset + Cutting.HorizontalSteps.StepLength * ( i - 1)
+         -- update distanza perpendicolare attacco per contemplare l'offset applicato
+         Cutting.LeadIn.PerpDistance = dOriginalLeadInPerpDistance - Cutting.RadialOffset
+         Cutting.LeadOut.PerpDistance = dOriginalLeadOutPerpDistance - Cutting.RadialOffset
+         -- applicazione lavorazione
+         bIsCuttingOk, sCuttingApplyMessage = SawPlusChain.ApplyMachining( Cutting, b3Raw)
+         -- update messaggi
+         if sCuttingApplyMessage and #sCuttingApplyMessage > 0 then
+            Cutting.Message = Cutting.Message .. 'Apply : ' .. sCuttingApplyMessage .. '\n'
+         end
+      end
+   end
+
+   -- se tasca passante e la lama è arrivata sul fondo, non servono ulteriori lavorazioni
+   if #Proc.Pocket.SideFaces == 0 and Cutting.RadialOffset == 0 then
+      bOnlySaw = true
+   end
+   
+   if bOnlySaw or not bIsCuttingOk then
+      return bIsCuttingOk, Cutting.Message
+   end
+
+   -- parametri lavorazione con sega a catena
+   local Chainsawing = SawPlusChain.Chainsaw.CalculateMachiningParameters( Proc)
+   -- si lavora solo quanto non lavorato dalla lama
+   Chainsawing.MaxElev = Cutting.RadialOffset + BD.CUT_EXTRA
+
+   -- applicazione lavorazione con sega a catena con eventuali step in Z
+   local bIsChainsawingOk = false
+   local sChainsawingApplyMessage = ''
+   if Chainsawing.CanApply then
+      local dOriginalRadialOffsetChainsawing = Chainsawing.RadialOffset
+      for i = Chainsawing.VerticalSteps.Count, 1, -1 do
+         Chainsawing.RadialOffset = dOriginalRadialOffsetChainsawing + Chainsawing.VerticalSteps.StepLength * ( i - 1)
+         -- applicazione lavorazione
+         bIsChainsawingOk, sChainsawingApplyMessage = SawPlusChain.ApplyMachining( Chainsawing, b3Raw)
+         -- update messaggi
+         if sChainsawingApplyMessage and #sChainsawingApplyMessage > 0 then
+            Chainsawing.Message = Chainsawing.Message .. '\n' .. 'Apply : ' .. sChainsawingApplyMessage
+         end
+      end
+   end
+
+   local sFinalMessage = ''
+   if #Cutting.Message > 0 or #Chainsawing.Message > 0 then
+      sFinalMessage = Cutting.Message .. '\n' .. Chainsawing.Message
+   end
+   
+   return bIsChainsawingOk, sFinalMessage
+end
+
+--#endregion SawPlusChain
+
 ---------------------------------------------------------------------
 local function MakeMoreFaces( Proc, nPhase, nRawId, nPartId, dOvmHead, bSinglePart, bPrevBhSideMill, bAllWithEndCap)
    if not BD.MAXDIAM_POCK_CORNER then
@@ -4606,6 +5306,16 @@ local function MakeMoreFaces( Proc, nPhase, nRawId, nPartId, dOvmHead, bSinglePa
       EgtOutLog( sErr)
       return false, sErr
    end
+
+   -- strategia lama + eventuale sega a catena
+   if ( EgtGetInfo( Proc.Id, Q_SAW_PLUS_CHAIN, 'i') or 0) > 0 then                       --TEST
+      local bOk
+      local sErr
+      local bOnlySaw = EgtGetInfo( Proc.Id, Q_SAW_PLUS_CHAIN, 'i') == 1
+      bOk, sErr = SawPlusChain.Make ( Proc, nRawId, nPhase, bOnlySaw)
+      return bOk, sErr
+   end
+
    local bClosedOrthoFaces
    local nFacInd, dFacElev, nFacInd2, dFacElev2
    local nBottomFace
@@ -5787,12 +6497,12 @@ local function MakeLongMoreFaces( Proc, nPhase, nRawId, nPartId, dOvmHead)
    for i = 1, #vAddId do
       local b3Box = EgtGetBBoxGlob( vAddId[i], GDB_BB.STANDARD)
       local nFct = EgtSurfTmFacetCount( vAddId[i])
-      local AddProc = { Id = vAddId[i], Grp = Proc.Grp, Prc = Proc.Prc, Box = b3Box, TotBox = Proc.Box, Fct = nFct, Flg = Proc.Flg, PartId = Proc.PartId}
+      local AddProc = { Id = vAddId[i], Grp = Proc.Grp, Prc = Proc.Prc, Box = b3Box, TotBox = Proc.Box, Fct = nFct, Flg = Proc.Flg, PartId = Proc.PartId, TaskId = Proc.TaskId, FeatureId = Proc.FeatureId, IsSplittedLapJoint = true}
       Topology.Classify( AddProc, b3Raw)
       -- lasciare il false nel sesto parametro (perchè internamente viene verificato se diverso da nil)
-      local bOk, sMyWarn 
+      local bOk, sMyWarn
       bOk, sMyWarn, bPrevBhSideMill = MakeMoreFaces( AddProc, nPhase, nRawId, nPartId, dOvmHead, bAllWithEndCap, bPrevBhSideMill, bAllWithEndCap)
-      if not sWarn then sWarn = sMyWarn end
+      if not sWarn or #sWarn == 0 then sWarn = sMyWarn end
       if not bOk then return bOk, sWarn end
    end
    return true, sWarn