zzcx_1225 发表于 2010-5-14 16:40:00

[求助]关于轻便多义线绘制？

<p>我要做齿轮造型，程序如下：</p><p>&nbsp; Sub 齿轮刀具()<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Dim R, Rf, Rb, Ra As Single</p><p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; R = m * Z / 2 '齿轮分度圆半径<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Rf = (R - 1.25 * m) '齿轮根圆半径<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Rb = R * Cos(Af)&nbsp; '齿轮基圆半径<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Ra = R + m ' 齿轮顶圆半径</p><p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; '根据渐开线公式,计算渐开线上各点坐标<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Dim Sb, th(3)<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Sb = Cos(Af) * (3.14 * m / 2 + m * Z * (Tan(Af) - (Af)))&nbsp;&nbsp; ' 齿轮基圆齿厚<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; th(1) = (3.14 * m * Cos(Af) - Sb) / (2 * Rb)<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; th(0) = th(1) / 3<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; th(2) = th(1) + Tan(Af) - Af<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; th(3) = th(1) + Tan(Acos(Rb / Ra)) - Acos(Rb / Ra)</p><p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Dim curves(5) As AcadEntity<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Dim points0(5) As Double<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Dim points1(8) As Double<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Dim points2(5) As Double</p><p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; points0(0) = 0 : points0(1) = Rf '第0点<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; points0(2) = Rf * Sin(th(0)) : points0(3) = Rf * Cos(th(0)) '第1点<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; points0(4) = Rb * Sin(th(1)) : points0(5) = Rb * Cos(th(1)) '第2点</p><p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Dim startTan(2) As Double<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Dim endTan(2) As Double<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; startTan(0) = 0 : startTan(1) = 0 : startTan(2) = 0<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; endTan(0) = 0.5 : endTan(1) = 0.5 : endTan(2) = 0</p><p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; points1(0) = points0(4) : points1(1) = points0(5) : points1(2) = 0 '第2点<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; points1(3) = R * Sin(th(2)) : points1(4) = R * Cos(th(2)) : points1(5) = 0 '第3点<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; points1(6) = Ra * Sin(th(3)) : points1(7) = Ra * Cos(th(3)) : points1(8) = 0 '第4点</p><p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; points2(0) = points1(6) : points2(1) = points1(7) '第4点<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; points2(2) = points1(6) : points2(3) = points1(7) + 2.25 * m '第5点<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; points2(4) = 0 : points2(5) = points2(3) '第6点</p><p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; '当基圆小于根圆，调整第1，第2点坐标，得到近似值<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; If Rb &lt; Rf Then<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; points0(2) = points1(3) * 0.2 : points0(3) = points0(1) + 0.25 * m * 0.03 '第1点<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; points0(4) = points1(3) * 0.7 : points0(5) = points0(1) + 0.25 * m * 0.8 '第2点<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; points1(0) = points0(4) : points1(1) = points0(5) : points1(2) = 0 '第2点<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; End If</p><p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; '创建右部线段<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <font color="#f73809">curves(0) = AcadApp.ActiveDocument.ModelSpace.AddLightWeightPolyline(points0)&nbsp;&nbsp;&nbsp;&nbsp; '由0，1，2点组成</font><br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; curves(0).SetBulge(1, 0.2) '第一点凸度为0.2<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; curves(1) = AcadApp.ActiveDocument.ModelSpace.AddSpline(points1, startTan, endTan)&nbsp;&nbsp;&nbsp;&nbsp; '由2，3，4点组成<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; curves(2) = AcadApp.ActiveDocument.ModelSpace.AddLightWeightPolyline(points2)&nbsp;&nbsp;&nbsp;&nbsp; '由4，5，6点组成</p><p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; '镜像右部线段，得到左部线段<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Dim point1(2) As Double<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Dim point2(2) As Double<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; point1(0) = 0 : point1(1) = 0 : point1(2) = 0<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; point2(0) = 0 : point2(1) = 1 : point2(2) = 0<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; curves(3) = curves(2).Mirror(point1, point2)<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; curves(4) = curves(1).Mirror(point1, point2)<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; curves(5) = curves(0).Mirror(point1, point2)</p><p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; '创建面域<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 刀具 = AcadApp.ActiveDocument.ModelSpace.AddRegion(curves)<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; '创建面域<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Dim taperAngle As Double<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; taperAngle = 0<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Dim solidObj As Acad3DSolid<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; solidObj = AcadApp.ActiveDocument.ModelSpace.AddExtrudedSolid(刀具(0), B * 1.1, taperAngle)<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Dim center(2) As Double<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; center(0) = 0 : center(1) = solidObj.Centroid(1) : center(2) = 0<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; solidObj.Move(solidObj.Centroid, center)</p><p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; '环形阵列<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Dim basePnt(2) As Double<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; basePnt(0) = 0 : basePnt(1) = 0 : basePnt(2) = 0.0#<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 刀具 = solidObj.ArrayPolar(Z + 1, 2 * Pi, basePnt)<br/>&nbsp;&nbsp;&nbsp; End Sub</p><p>调试运行时&nbsp;&nbsp; “红色字体”&nbsp; 语句出现错误，提示“未处理ComException，被呼叫方拒绝接收呼叫”。我是初学，那位高手能帮我看看是什么错误，谢谢！我用的软件AutoCAD2008，vs2008vb.net。</p>
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