- in FACEBYBLADE modifiche e refactoring per contemplare nuova gestione DownUp

LuaLibs/FaceData.lua

@@ -218,12 +218,7 @@ end
 -------------------------------------------------------------------------------------------------------------
 function FaceData.IsFaceRectangular( Face)
    -- recupero gruppo per geometrie temporanee
-   local bIsTempGroupToDelete = false
    local idTempGroup = BeamLib.GetTempGroup()
-   if not idTempGroup then
-      idTempGroup = BeamLib.CreateTempGroup()
-      bIsTempGroupToDelete = true
-   end
 
    local nContourId, nContourCnt = EgtExtractSurfTmFacetLoops( Face.idTrimesh, Face.id, idTempGroup)
    if nContourCnt > 1 then
@@ -232,23 +227,13 @@ function FaceData.IsFaceRectangular( Face)
 
    local bIsRectangular = EgtCurveIsARectangle( nContourId)
 
-   -- se necessario, elimino il gruppo temporaneo
-   if bIsTempGroupToDelete then
-      EgtErase( idTempGroup)
-   end
-
    return bIsRectangular
 end
 
 -------------------------------------------------------------------------------------------------------------
 function FaceData.IsFaceRhomboid( Face)
    -- recupero gruppo per geometrie temporanee
-   local bIsTempGroupToDelete = false
    local idTempGroup = BeamLib.GetTempGroup()
-   if not idTempGroup then
-      idTempGroup = BeamLib.CreateTempGroup()
-      bIsTempGroupToDelete = true
-   end
 
    local nContourId, nContourCnt = EgtExtractSurfTmFacetLoops( Face.idTrimesh, Face.id, idTempGroup)
    if nContourCnt > 1 then
@@ -265,14 +250,30 @@ function FaceData.IsFaceRhomboid( Face)
       bIsRhomboid = true
    end
 
-   -- se necessario, elimino il gruppo temporaneo
-   if bIsTempGroupToDelete then
-      EgtErase( idTempGroup)
-   end
-
    return bIsRhomboid
 end
 
+-------------------------------------------------------------------------------------------------------------
+-- calcola l'elevazione di un lato rispetto al box passato
+function FaceData.GetEdgeElevationInBBox( Face, Edge, b3Raw )
+   -- recupero gruppo per geometrie temporanee
+   local idTempGroup = BeamLib.GetTempGroup()
+
+   -- costruzione trimesh rettangolare centrata sul lato
+   -- TODO sostituire EgtSurfTmFacetOppositeSide con punti direttamente in Edge
+   local ptEdge1, _, ptEdge2 = EgtSurfTmFacetOppositeSide( Face.idTrimesh, Face.id, -Edge.vtN, GDB_ID.ROOT)
+   local vtEdge = ptEdge2 - ptEdge1
+   local vtMove = ( Edge.vtN ^ vtEdge)
+   local ptRectangleVertex1 = ptEdge1 + vtMove * 100 * GEO.EPS_SMALL
+   local ptRectangleVertex2 = ptEdge2 + vtMove * 100 * GEO.EPS_SMALL
+   local ptRectangleVertex3 = ptEdge1 - vtMove * 100 * GEO.EPS_SMALL
+   local idEdgeTrimesh = EgtSurfTmRectangle( idTempGroup, ptRectangleVertex1, ptRectangleVertex2, ptRectangleVertex3, GDB_RT.GLOB)
+
+   local dElevation = EgtSurfTmFacetElevationInBBox( idEdgeTrimesh, 0, b3Raw, true, GDB_ID.ROOT)
+
+   return dElevation
+end
+
 -------------------------------------------------------------------------------------------------------------
 local function CompareEdgesBottomFace( EdgeA, EdgeB)
    -- prima i lati con facce adiacenti