スプラインの方向を逆にします。
サポートされているプラットフォーム: Windows のみ
戻り値はありません。
追加の注意はありません。
VBA:
Sub Example_Reverse()
' This example creates a spline in model space.
' It then reverses the spline and therefore the
' control point data.
Dim splineObj As AcadSpline
Dim startTan(0 To 2) As Double
Dim endTan(0 To 2) As Double
Dim fitPoints(0 To 8) As Double
Dim msg As String
startTan(0) = 0.5: startTan(1) = 0.5: startTan(2) = 0
endTan(0) = 0.5: endTan(1) = 0.5: endTan(2) = 0
fitPoints(0) = 0: fitPoints(1) = 0: fitPoints(2) = 0
fitPoints(3) = 5: fitPoints(4) = 5: fitPoints(5) = 0
fitPoints(6) = 10: fitPoints(7) = 0: fitPoints(8) = 0
Set splineObj = ThisDrawing.ModelSpace.AddSpline(fitPoints, startTan, endTan)
ZoomAll
GoSub GETPOINTS
MsgBox "Before the reverse the first control point is " & msg
' Reverse the Spline and therefore control point data
splineObj.Reverse
ThisDrawing.Regen True
GoSub GETPOINTS
MsgBox "After the reverse the first control point is " & msg
Exit Sub
GETPOINTS:
msg = ""
' Get the coordinates from the first control point again
Dim count As Integer
For count = 0 To 2
msg = msg & splineObj.GetControlPoint(0)(count) & ", "
Next
msg = VBA.Left(msg, Len(msg) - 2)
Return
End Sub
Visual LISP:
(vl-load-com)
(defun c:Example_Reverse()
;; This example creates a spline in model space.
;; It then reverses the spline and therefore the
;; control point data.
(setq acadObj (vlax-get-acad-object))
(setq doc (vla-get-ActiveDocument acadObj))
;; Create the spline
(setq startTan (vlax-3d-point 0.5 0.5 0)
endTan (vlax-3d-point 0.5 0.5 0)
fitPoints (vlax-make-safearray vlax-vbDouble '(0 . 8)))
(vlax-safearray-fill fitPoints '(0 0 0
5 5 0
10 0 0
)
)
(setq modelSpace (vla-get-ModelSpace doc))
(setq splineObj (vla-AddSpline modelSpace fitPoints startTan endTan))
(vla-ZoomAll acadObj)
;; Get the coordinates from the first control point again
(setq msg ""
count 0)
(while (>= 2 count)
(setq msg (strcat msg (rtos (vlax-safearray-get-element (vlax-variant-value (vla-GetControlPoint splineObj 0)) count) 2) ", ")
count (1+ count)
)
)
(setq msg (vl-string-right-trim ", " msg))
(alert (strcat "Before the reverse the first control point is " msg))
;; Reverse the Spline and therefore control point data
(vla-Reverse splineObj)
(vla-Regen doc :vlax-true)
;; Get the coordinates from the first control point again
(setq msg ""
count 0)
(while (>= 2 count)
(setq msg (strcat msg (rtos (vlax-safearray-get-element (vlax-variant-value (vla-GetControlPoint splineObj 0)) count) 2) ", ")
count (1+ count)
)
)
(setq msg (vl-string-right-trim ", " msg))
(alert (strcat "After the reverse the first control point is " msg))
)