平面を定義する 3 点を指定して、3DSolid オブジェクトの切断面を作成します。
サポートされているプラットフォーム: Windows のみ
VBA:
RetVal = object.SliceSolid(Point1, Point2, Point3, Negative)
タイプ: 3DSolid
このメソッドが適用されるオブジェクト。
アクセス: 入力のみ
タイプ: バリアント型(3 要素の倍精度浮動小数点数型配列)
1 番目の点を指定する 3D WCS 座標。
アクセス: 入力のみ
タイプ: バリアント型(3 要素の倍精度浮動小数点数型配列)
2 番目の点を指定する 3D WCS 座標。
アクセス: 入力のみ
タイプ: バリアント型(3 要素の倍精度浮動小数点数型配列)
3 番目の点を指定する 3D WCS 座標。
アクセス: 入力のみ
タイプ: ブール型
ソリッドの平面の負の側にある部分を返すかどうかを指定します。True の場合、AutoCAD は元のソリッドの平面の負の法線側にある部分を含む新規の Acad3DSolid オブジェクトを作成します。
追加の注意はありません。
VBA:
Sub Example_SliceSolid() ' This example creates a box in model space. ' It then slices the box based on a plane ' defined by three points. The slice is returned ' as a 3Dsolid. Dim boxObj As Acad3DSolid Dim length As Double, width As Double, height As Double Dim center(0 To 2) As Double ' Define the box center(0) = 5#: center(1) = 5#: center(2) = 0 length = 5#: width = 7: height = 10# ' Create the box (3DSolid) object in model space Set boxObj = ThisDrawing.ModelSpace.AddBox(center, length, width, height) ' Define the section plane with three points Dim slicePt1(0 To 2) As Double Dim slicePt2(0 To 2) As Double Dim slicePt3(0 To 2) As Double slicePt1(0) = 1.5: slicePt1(1) = 7.5: slicePt1(2) = 0 slicePt2(0) = 1.5: slicePt2(1) = 7.5: slicePt2(2) = 10 slicePt3(0) = 8.5: slicePt3(1) = 2.5: slicePt3(2) = 10 ' slice the box Dim sliceObj As Acad3DSolid Set sliceObj = boxObj.SliceSolid(slicePt1, slicePt2, slicePt3, True) ' Change the viewing direction of the viewport Dim NewDirection(0 To 2) As Double NewDirection(0) = -1: NewDirection(1) = -1: NewDirection(2) = 1 ThisDrawing.ActiveViewport.direction = NewDirection ThisDrawing.ActiveViewport = ThisDrawing.ActiveViewport ZoomAll End Sub
Visual LISP:
(vl-load-com) (defun c:Example_SliceSolid() ;; This example creates a box in model space. ;; It then slices the box based on a plane ;; defined by three points. The slice is returned ;; as a 3Dsolid. (setq acadObj (vlax-get-acad-object)) (setq doc (vla-get-ActiveDocument acadObj)) ;; Define the box (setq center (vlax-3d-point 5 5 0) boxLength 5 boxWidth 7 boxHeight 10) ;; Create the box (3DSolid) object in model space (setq modelSpace (vla-get-ModelSpace doc)) (setq boxObj (vla-AddBox modelSpace center boxLength boxWidth boxHeight)) ;; Define the section plane with three points (setq slicePt1 (vlax-3d-point 1.5 7.5 0) slicePt2 (vlax-3d-point 1.5 7.5 10) slicePt3 (vlax-3d-point 8.5 2.5 10)) ;; slice the box (setq sliceObj (vla-SliceSolid boxObj slicePt1 slicePt2 slicePt3 :vlax-true)) ;; Change the viewing direction of the viewport (setq NewDirection (vlax-3d-point -1 -1 1)) (setq activeViewport (vla-get-ActiveViewport doc)) (vla-put-Direction activeViewport NewDirection) (vla-put-ActiveViewport doc activeViewport) (vla-ZoomAll acadObj) )