Specifies the draft angle of the surface for the first cross section.
Supported platforms: Windows only
VBA:
object.StartDraftAngle
Type: LoftedSurface
The object to which this property applies.
Read-only: No
Type: Long
The draft angle of the first cross section.
No additional remarks.
VBA:
Sub SurfaceProperties()
Dim ssetObj As AcadSelectionSet
Set ssetObj = ThisDrawing.SelectionSets.Add("SURFACES2")
Dim mode As Integer
AppActivate ThisDrawing.Application.Caption
ssetObj.SelectOnScreen
Dim obj As AcadEntity
Dim extrude As AcadExtrudedSurface
Dim objName As String
Dim LayerName As String
For Each obj In ssetObj
objName = obj.ObjectName
If TypeOf obj Is AcadExtrudedSurface Then
ExtrudedSurfaceProperties obj
ElseIf TypeOf obj Is AcadRevolvedSurface Then
RevolvedSurfaceProperties obj
ElseIf TypeOf obj Is AcadLoftedSurface Then
LoftedSurfaceProperties obj
ElseIf TypeOf obj Is AcadSweptSurface Then
SweptSurfaceProperties obj
ElseIf TypeOf obj Is AcadPlaneSurface Then
PlaneSurfaceProperties obj
End If
Next
ssetObj.Delete
End Sub
Private Sub ExtrudedSurfaceProperties(extrude As AcadExtrudedSurface)
AppActivate ThisDrawing.Application.Caption
GetSurfaceBoundingBox extrude
MsgBox "SurfaceType: " & extrude.SurfaceType & vbCr & _
"Height: " & extrude.height & vbCr & _
"TaperAngle: " & extrude.TaperAngle & vbCr & _
"Direction: " & extrude.Direction & vbCr & _
"Material: " & extrude.Material & vbCr & _
"UIsolineDensity: " & extrude.UIsolineDensity & vbCr & _
"VIsolineDensity: " & extrude.VIsolineDensity
'Now change the configurable properties
extrude.height = extrude.height * 1.5
extrude.TaperAngle = extrude.TaperAngle * (3.14 / 2)
extrude.UIsolineDensity = extrude.UIsolineDensity * 2#
extrude.VIsolineDensity = extrude.VIsolineDensity * 0.5
ThisDrawing.Regen acActiveViewport
Utility.GetString 0, "Press return to continue..."
'Now change the properties back to their original values
extrude.height = extrude.height / 1.5
extrude.TaperAngle = extrude.TaperAngle / (3.14 / 2)
extrude.UIsolineDensity = extrude.UIsolineDensity / 2#
extrude.VIsolineDensity = extrude.VIsolineDensity / 0.5
End Sub
Private Sub RevolvedSurfaceProperties(revolve As AcadRevolvedSurface)
AppActivate ThisDrawing.Application.Caption
GetSurfaceBoundingBox revolve
MsgBox "SurfaceType: " & revolve.SurfaceType & vbCr & _
"RevolutionAngle: " & revolve.RevolutionAngle & vbCr & _
"AxisPosition: " & revolve.AxisPosition & vbCr & _
"AxisDirection: " & revolve.AxisDirection & vbCr & _
"Material: " & revolve.Material & vbCr & _
"UIsolineDensity: " & revolve.UIsolineDensity & vbCr & _
"VIsolineDensity: " & revolve.VIsolineDensity
'Now change the configurable properties
revolve.RevolutionAngle = revolve.RevolutionAngle * (3.14 / 2)
revolve.UIsolineDensity = revolve.UIsolineDensity * 2#
revolve.VIsolineDensity = revolve.VIsolineDensity * 0.5
ThisDrawing.Regen acActiveViewport
Utility.GetString 0, "Press return to continue..."
'Now change the properties back to their original values
revolve.RevolutionAngle = revolve.RevolutionAngle / (3.14 / 2)
revolve.UIsolineDensity = revolve.UIsolineDensity / 2#
revolve.VIsolineDensity = revolve.VIsolineDensity / 0.5
End Sub
Private Sub LoftedSurfaceProperties(lofted As AcadLoftedSurface)
AppActivate ThisDrawing.Application.Caption
GetSurfaceBoundingBox lofted
MsgBox "SurfaceType: " & lofted.SurfaceType & vbCr & _
"NumCrossSections: " & lofted.NumCrossSections & vbCr & _
"NumGuidePaths: " & lofted.NumGuidePaths & vbCr & _
"SurfaceNormals: " & lofted.SurfaceNormals & vbCr & _
"StartDraftAngle: " & lofted.StartDraftAngle & vbCr & _
"StartDraftMagnitude: " & lofted.StartDraftMagnitude & vbCr & _
"EndDraftAngle: " & lofted.EndDraftAngle & vbCr & _
"EndDraftMagnitude: " & lofted.EndDraftMagnitude & vbCr & _
"Closed: " & lofted.Closed & vbCr & _
"Material: " & lofted.Material & vbCr & _
"UIsolineDensity: " & lofted.UIsolineDensity & vbCr & _
"VIsolineDensity: " & lofted.VIsolineDensity
'Now change the configurable properties
lofted.StartDraftAngle = lofted.StartDraftAngle * (3.14 / 2)
lofted.EndDraftAngle = lofted.EndDraftAngle * (3.14 / 4)
lofted.UIsolineDensity = lofted.UIsolineDensity * 2#
lofted.VIsolineDensity = lofted.VIsolineDensity * 0.5
ThisDrawing.Regen acActiveViewport
Utility.GetString 0, "Press return to continue..."
'Now change the properties back to their original values
lofted.StartDraftAngle = lofted.StartDraftAngle / (3.14 / 2)
lofted.EndDraftAngle = lofted.EndDraftAngle / (3.14 / 4)
lofted.UIsolineDensity = lofted.UIsolineDensity / 2#
lofted.VIsolineDensity = lofted.VIsolineDensity / 0.5
End Sub
Private Sub SweptSurfaceProperties(swept As AcadSweptSurface)
AppActivate ThisDrawing.Application.Caption
GetSurfaceBoundingBox swept
MsgBox "SurfaceType: " & swept.SurfaceType & vbCr & _
"ProfileRotation: " & swept.ProfileRotation & vbCr & _
"Bank: " & swept.Bank & vbCr & _
"Twist: " & swept.Twist & vbCr & _
"scale: " & swept.scale & vbCr & _
"Length: " & swept.length & vbCr & _
"Material: " & swept.Material & vbCr & _
"UIsolineDensity: " & swept.UIsolineDensity & vbCr & _
"VIsolineDensity: " & swept.VIsolineDensity
swept.ProfileRotation = swept.ProfileRotation * 3.14 * 0.25
swept.Bank = Not swept.Bank
swept.Twist = swept.Twist * 3.14 * -0.5
swept.UIsolineDensity = swept.UIsolineDensity * 2#
swept.VIsolineDensity = swept.VIsolineDensity * 0.5
ThisDrawing.Regen acActiveViewport
Utility.GetString 0, "Press return to continue..."
'Now change the properties back to their original values
swept.ProfileRotation = swept.ProfileRotation / (3.14 * 0.25)
swept.Bank = Not swept.Bank
swept.Twist = swept.Twist / (3.14 * -0.5)
swept.UIsolineDensity = swept.UIsolineDensity / 2#
swept.VIsolineDensity = swept.VIsolineDensity / 0.5
End Sub
Private Sub PlaneSurfaceProperties(planar As AcadPlaneSurface)
AppActivate ThisDrawing.Application.Caption
GetSurfaceBoundingBox planar
MsgBox "SurfaceType: " & planar.SurfaceType & vbCr & _
"UIsolineDensity: " & planar.UIsolineDensity & vbCr & _
"VIsolineDensity: " & planar.VIsolineDensity
planar.UIsolineDensity = planar.UIsolineDensity * 2#
planar.VIsolineDensity = planar.VIsolineDensity * 0.5
ThisDrawing.Regen acActiveViewport
Utility.GetString 0, "Press return to continue..."
'Now change the properties back to their original values
planar.UIsolineDensity = planar.UIsolineDensity / 2#
planar.VIsolineDensity = planar.VIsolineDensity / 0.5
End Sub
Private Sub GetSurfaceBoundingBox(surf As AcadSurface)
Dim MinPoint As Variant
Dim MaxPoint As Variant
surf.GetBoundingBox MinPoint, MaxPoint
' Print the min and max extents
MsgBox "The extents of the bounding box for the surface are:" & vbCrLf _
& "Min Point: " & MinPoint(0) & "," & MinPoint(1) & "," & MinPoint(2) _
& vbCrLf & "Max Point: " & MaxPoint(0) & "," & MaxPoint(1) & "," & MaxPoint(2), vbInformation, "GetBoundingBox of Surface"
End Sub
Visual LISP:
(vl-load-com)
(defun c:SurfaceProperties()
(setq acadObj (vlax-get-acad-object))
(setq doc (vla-get-ActiveDocument acadObj))
(setq ssetObj (vla-Add (vla-get-SelectionSets doc) "SURFACES2"))
(vla-SelectOnScreen ssetObj)
(vlax-for obj ssetObj
(setq objName (vla-get-ObjectName obj))
(cond
((= "AcDb3dSolid" objName)
(cond
((= (vla-get-SolidType obj) "Extrusion") (alert "Extruded solid selected."))
((= (vla-get-SolidType obj) "Revolve") (alert "Revolved solid selected."))
((= (substr (vla-get-SolidType obj) 1 4) "Loft") (alert "Lofted solid selected."))
((= (vla-get-SolidType obj) "Sweep") (alert "Swept solid selected."))
)
)
((= "AcDbExtrudedSurface" objName) (ExtrudedSurfaceProperties obj))
((= "AcDbRevolvedSurface" objName) (RevolvedSurfaceProperties obj))
((= "AcDbLoftedSurface" objName) (LoftedSurfaceProperties obj))
((= "AcDbSweptSurface" objName) (SweptSurfaceProperties obj))
((= "AcDbPlaneSurface" objName) (PlaneSurfaceProperties obj))
)
)
(vla-Delete ssetObj)
)
(defun ExtrudedSurfaceProperties (extrude / )
(GetSurfaceBoundingBox extrude)
(alert (strcat "SurfaceType: " (vla-get-SurfaceType extrude)
"\nHeight: " (rtos (vla-get-Height extrude) 2)
"\nTaperAngle: " (rtos (vla-get-TaperAngle extrude) 2)
"\nMaterial: " (vla-get-Material extrude)
"\nUIsolineDensity: " (itoa (vla-get-UIsolineDensity extrude))
"\nVIsolineDensity: " (itoa (vla-get-VIsolineDensity extrude))))
;; Now change the configurable properties
(vla-put-Height extrude (* (vla-get-Height extrude) 1.5))
(vla-put-TaperAngle extrude (* (vla-get-TaperAngle extrude) (/ 3.14 2)))
(vla-put-UIsolineDensity extrude (* (vla-get-UIsolineDensity extrude) 2))
(vla-put-VIsolineDensity extrude (* (vla-get-VIsolineDensity extrude) 0.5))
(vla-Regen doc acActiveViewport)
(vla-GetString (vla-get-Utility doc) 0 "Press return to continue...")
;; Now change the properties back to their original values
(vla-put-Height extrude (/ (vla-get-Height extrude) 1.5))
(vla-put-TaperAngle extrude (/ (vla-get-TaperAngle extrude) (/ 3.14 2)))
(vla-put-UIsolineDensity extrude (/ (vla-get-UIsolineDensity extrude) 2))
(vla-put-VIsolineDensity extrude (/ (vla-get-VIsolineDensity extrude) 0.5))
)
(defun RevolvedSurfaceProperties (revolve / )
(GetSurfaceBoundingBox revolve)
(alert (strcat "SurfaceType: " (vla-get-SurfaceType revolve)
"\nRevolutionAngle: " (rtos (vla-get-RevolutionAngle revolve) 2)
"\nMaterial: " (vla-get-Material revolve)
"\nUIsolineDensity: " (itoa (vla-get-UIsolineDensity revolve))
"\nVIsolineDensity: " (itoa (vla-get-VIsolineDensity revolve))))
;; Now change the configurable properties
(vla-put-RevolutionAngle revolve (* (vla-get-RevolutionAngle revolve) (/ 3.14 2)))
(vla-put-UIsolineDensity revolve (* (vla-get-UIsolineDensity revolve) 2))
(vla-put-VIsolineDensity revolve (* (vla-get-VIsolineDensity revolve) 0.5))
(vla-Regen doc acActiveViewport)
(vla-GetString (vla-get-Utility doc) 0 "Press return to continue...")
;; Now change the properties back to their original values
(vla-put-RevolutionAngle revolve (/ (vla-get-RevolutionAngle revolve) (/ 3.14 2)))
(vla-put-UIsolineDensity revolve (/ (vla-get-UIsolineDensity revolve) 2))
(vla-put-VIsolineDensity revolve (/ (vla-get-VIsolineDensity revolve) 0.5))
)
(defun LoftedSurfaceProperties (lofted / )
(GetSurfaceBoundingBox lofted)
(alert (strcat "SurfaceType: " (vla-get-SurfaceType lofted)
"\nNumCrossSections: " (itoa (vla-get-NumCrossSections lofted))
"\nNumGuidePaths: " (itoa (vla-get-NumGuidePaths lofted))
"\nSurfaceNormals: " (itoa (vla-get-SurfaceNormals lofted))
"\nStartDraftAngle: " (rtos (vla-get-StartDraftAngle lofted) 2)
"\nStartDraftMagnitude: " (rtos (vla-get-StartDraftMagnitude lofted) 2)
"\nEndDraftAngle: " (rtos (vla-get-EndDraftAngle lofted) 2)
"\nEndDraftMagnitude: " (rtos (vla-get-EndDraftMagnitude lofted) 2)
"\nClosed: " (if (= (vla-get-Closed lofted) :vlax-true) "True" "False")
"\nMaterial: " (vla-get-Material lofted)
"\nUIsolineDensity: " (itoa (vla-get-UIsolineDensity lofted))
"\nVIsolineDensity: " (itoa (vla-get-VIsolineDensity lofted))))
;; Now change the configurable properties
(vla-put-StartDraftAngle lofted (* (vla-get-StartDraftAngle lofted) (/ 3.14 2)))
(vla-put-EndDraftAngle lofted (* (vla-get-EndDraftAngle lofted) (/ 3.14 4)))
(vla-put-UIsolineDensity lofted (* (vla-get-UIsolineDensity lofted) 2))
(vla-put-VIsolineDensity lofted (* (vla-get-VIsolineDensity lofted) 0.5))
(vla-Regen doc acActiveViewport)
(vla-GetString (vla-get-Utility doc) 0 "Press return to continue...")
;; Now change the properties back to their original values
(vla-put-StartDraftAngle lofted (/ (vla-get-StartDraftAngle lofted) (/ 3.14 2)))
(vla-put-EndDraftAngle lofted (/ (vla-get-EndDraftAngle lofted) (/ 3.14 4)))
(vla-put-UIsolineDensity lofted (/ (vla-get-UIsolineDensity lofted) 2))
(vla-put-VIsolineDensity lofted (/ (vla-get-VIsolineDensity lofted) 0.5))
)
(defun SweptSurfaceProperties (swept / )
(GetSurfaceBoundingBox swept)
(alert (strcat "SurfaceType: " (vla-get-SurfaceType swept)
"\nProfileRotation: " (rtos (vla-get-ProfileRotation swept) 2)
"\nBank: " (if (= (vla-get-Bank swept) :vlax-true) "True" "False")
"\nTwist: " (rtos (vla-get-Twist swept) 2)
"\nscale: " (rtos (vla-get-Scale swept) 2)
"\nLength: " (rtos (vla-get-Length swept) 2)
"\nMaterial: " (vla-get-Material swept)
"\nUIsolineDensity: " (itoa (vla-get-UIsolineDensity swept))
"\nVIsolineDensity: " (itoa (vla-get-VIsolineDensity swept))))
(vla-put-ProfileRotation swept (* (vla-get-ProfileRotation swept) (* 3.14 0.25)))
(vla-put-Bank swept (if (= (vla-get-Bank swept) :vlax-true) :vlax-false :vlax-true))
(vla-put-Twist swept (* (vla-get-Twist swept) (* 3.14 -0.5)))
(vla-put-UIsolineDensity swept (* (vla-get-UIsolineDensity swept) 2))
(vla-put-VIsolineDensity swept (* (vla-get-VIsolineDensity swept) 0.5))
(vla-Regen doc acActiveViewport)
(vla-GetString (vla-get-Utility doc) 0 "Press return to continue...")
;; Now change the properties back to their original values
(vla-put-ProfileRotation swept (/ (vla-get-ProfileRotation swept) (* 3.14 0.25)))
(vla-put-Bank swept (if (= (vla-get-Bank swept) :vlax-true) :vlax-false :vlax-true))
(vla-put-Twist swept (/ (vla-get-Twist swept) (* 3.14 -0.5)))
(vla-put-UIsolineDensity swept (/ (vla-get-UIsolineDensity swept) 2))
(vla-put-VIsolineDensity swept (/ (vla-get-VIsolineDensity swept) 0.5))
)
(defun PlaneSurfaceProperties (planar / )
(GetSurfaceBoundingBox planar)
(alert (strcat "SurfaceType: " (vla-get-SurfaceType planar)
"\nUIsolineDensity: " (itoa (vla-get-UIsolineDensity planar))
"\nVIsolineDensity: " (itoa (vla-get-VIsolineDensity planar))))
(vla-put-UIsolineDensity planar (* (vla-get-UIsolineDensity planar) 2))
(vla-put-VIsolineDensity planar (* (vla-get-VIsolineDensity planar) 0.5))
(vla-Regen doc acActiveViewport)
(vla-GetString (vla-get-Utility doc) 0 "Press return to continue...")
;; Now change the properties back to their original values
(vla-put-UIsolineDensity planar (/ (vla-get-UIsolineDensity planar) 2))
(vla-put-VIsolineDensity planar (/ (vla-get-VIsolineDensity planar) 0.5))
)
(defun GetSurfaceBoundingBox (surf / )
(vla-GetBoundingBox surf 'MinPoint 'MaxPoint)
;; Print the min and max extents
(alert (strcat "The extents of the bounding box for the surface are:"
"\nMin Point: " (rtos (vlax-safearray-get-element MinPoint 0) 2) ","
(rtos (vlax-safearray-get-element MinPoint 1) 2) ","
(rtos (vlax-safearray-get-element MinPoint 2) 2)
"\nMax Point: " (rtos (vlax-safearray-get-element MaxPoint 0) 2) ","
(rtos (vlax-safearray-get-element MaxPoint 1) 2) ","
(rtos (vlax-safearray-get-element MaxPoint 2) 2)))
)