From c2a2d696f6328ad3f98e4c49bb0d04f0be065376 Mon Sep 17 00:00:00 2001
From: SaraP <sara.perdoncin@egalware.com>
Date: Fri, 19 Jun 2026 15:21:39 +0200
Subject: [PATCH] 3dPrinting : - correzione errore di mancata applicazione
 reduce shell number con ribs merged shells.

---
 LuaLibs/CalcPaths.lua | 27 +++++++++++++++++++--------
 1 file changed, 19 insertions(+), 8 deletions(-)

diff --git a/LuaLibs/CalcPaths.lua b/LuaLibs/CalcPaths.lua
index f2f17c1..5192f8b 100644
--- a/LuaLibs/CalcPaths.lua
+++ b/LuaLibs/CalcPaths.lua
@@ -3142,25 +3142,32 @@ end
 local function AdjustRibsMergedExtraShellLink( nLinkId, vExtraShells, nGrp)
 
    local vLinks = {}
-   
+
    -- devo conservare solo i tratti comuni fra link ed extra shell
+   local _, dE = EgtCurveDomain( nLinkId)
    for i = 1, #vExtraShells do
-      
       local dParS = EgtCurveParamAtPoint( nLinkId, EgtSP( vExtraShells[i]), 100 * GEO.EPS_SMALL)
       local dParE = EgtCurveParamAtPoint( nLinkId, EgtEP( vExtraShells[i]), 100 * GEO.EPS_SMALL)
+      
       if dParS or dParE then
-         local nCrv = EgtCopyGlob( nLinkId, nGrp)
+         local nCrv
          if dParS and dParE then
-            EgtTrimCurveStartEndAtParam( nCrv, dParS, dParE)
+            if dParS < dParE then
+               nCrv = EgtCopyParamRange( nLinkId, dParS, dParE, nGrp)
+            else
+               -- ottengo due sottotratti
+               local nCrv1 = EgtCopyParamRange( nLinkId, dParS, dE, nGrp)
+               table.insert( vLinks, nCrv1)
+               nCrv = EgtCopyParamRange( nLinkId, 0, dParE, nGrp)
+            end
          elseif dParS then
-            EgtTrimCurveStartAtParam( nCrv, dParS)
+            nCrv = EgtCopyParamRange( nLinkId, dParS, dE, nGrp)
          elseif dParE then
-            EgtTrimCurveEndAtParam( nCrv, dParE)
+            nCrv = EgtCopyParamRange( nLinkId, 0, dParE, nGrp)
          end
-         EgtModifyCurveExtrusion( nCrv, s_vtSlicing, GDB_ID.ROOT)
          table.insert( vLinks, nCrv)
+      
       else
-         
          -- verifico se il link originale è già corretto
          local dPar1 = EgtCurveParamAtPoint( vExtraShells[i], EgtSP( nLinkId), 100 * GEO.EPS_SMALL)
          local dPar2 = EgtCurveParamAtPoint( vExtraShells[i], EgtEP( nLinkId), 100 * GEO.EPS_SMALL)
@@ -3172,6 +3179,10 @@ local function AdjustRibsMergedExtraShellLink( nLinkId, vExtraShells, nGrp)
    
    -- cancello il link originale
    EgtErase( nLinkId)
+   -- setto estrusione ai link
+   for i = 1, #vLinks do
+      EgtModifyCurveExtrusion( vLinks[i], s_vtSlicing, GDB_ID.ROOT)
+   end
    return vLinks
 end