3dPrinting 2.7a1 :

- modificati i controlli per il valore di ritorno di EgtGetNameInGroup.

LuaLibs/CalcToolPath.lua

@@ -537,7 +537,7 @@ end
 ---------------------------------------------------------------------
 local function CalcShellsToolPath( vEntIds, nTpathGrpId, LayerParams)
    
-   if not vEntIds then return end
+   if not vEntIds or #vEntIds == 0 then return end
    
    -- aggiungo le curve nel toolpath
    local vIds = AddCurvesToToolPath( vEntIds, nTpathGrpId, LayerParams.nOrder, LayerParams.bInvert, LayerParams.vtSlicing, LayerParams.dLayHeight)
@@ -585,7 +585,7 @@ end
 ---------------------------------------------------------------------
 local function CalcExtraShellToolPath( vEntIds, nTpathGrpId, LayerParams)
    
-   if not vEntIds then return end
+   if not vEntIds or #vEntIds == 0 then return end
    -- aggiungo le curve nel toolpath
    local vIds = AddCurvesToToolPath( vEntIds, nTpathGrpId, PRINT_ORDER.EXT_INT, false, LayerParams.vtSlicing, LayerParams.dLayHeight)
    
@@ -938,7 +938,7 @@ local function JoinShellsAndSolidFills( nInfillGrp, vShellIds, vExtraShells, Lay
    
    local nFillType = EgtGetInfo( nInfillGrp, KEY_FILL_TYPE, 'i') or FILL_TYPE.NONE
    
-   if nFillType == FILL_TYPE.OFFSET and vShellIds then
+   if nFillType == FILL_TYPE.OFFSET and vShellIds and #vShellIds > 0 then
       
       -- cerco indice di realizzazione dei vari elementi di stampa
       local vTypeSequence = {}
@@ -955,7 +955,7 @@ local function JoinShellsAndSolidFills( nInfillGrp, vShellIds, vExtraShells, Lay
       end
       
       -- verifico se extra shell realizzate tra shell e infill
-      if vExtraShells and nMin < vTypeSequence[PRINT_ELEMENT.EXTRA_SHELL] and vTypeSequence[PRINT_ELEMENT.EXTRA_SHELL] < nMax then
+      if vExtraShells and #vExtraShells > 0 and nMin < vTypeSequence[PRINT_ELEMENT.EXTRA_SHELL] and vTypeSequence[PRINT_ELEMENT.EXTRA_SHELL] < nMax then
          return
       end
       
@@ -996,7 +996,7 @@ local function CalcAuxSolidsToolPath( nAuxSolidsGrp, nAuxSolidsPathGrp, nTpathGr
       -- recupero tutti i percorsi relativi a quel solido
       local sName = EgtGetName( nSolidId)
       local vEntIds = EgtGetNameInGroup( nAuxSolidsPathGrp, sName .. '*')
-      if vEntIds then
+      if vEntIds and #vEntIds > 0 then
         
          -- recupero i parametri relativi al solido dalla curva di slicing
          local nFillType = EgtGetInfo( nSolidId, KEY_AUX_SOLIDS_INFILL, 'i')
@@ -2156,7 +2156,7 @@ function CalcToolPath.Exec( nPartId)
    
    -- Recupero i layer da processare
    local vLayIds = EgtGetNameInGroup( s_nPartId, SLICE_LAYER.."*")
-   if not vLayIds then
+   if not vLayIds or #vLayIds == 0 then
       EgtOutBox( 'Error missing slices', 'ToolPathCalc')
       return true
    end