PCB 圓形板切邊算法實現

時間 2019-12-08

標籤 pcb 圓形算法實現简体版

原文原文鏈接

在工程CAM處理圓形拼板是個頭疼的問題，需人工程師自行設計切邊知足能夠拼板而且拼板後鑼闆闆邊沒有內角，否則會影響裝配算法

1.原始單 PCS圓形板ide

此外形若是不採用郵票孔鏈接的話,採V-CUT鏈接須採用切邊處理spa

二.下圖爲切邊處理後的圖形設計

這個圖形就是接下來算法要生成的圖形了code

三.下圖爲拼好的SETorm

這樣是爲了拼SET後沒有內角，不影響裝配blog

再來一張大圖拼好後的SETget

四.求解思路string

五.代碼實現：it

 private void btnAdd_Click(object sender, EventArgs e)
        {
            g.COM("units,type=mm");
            d2 calc2 = new d2();
            d1 calc1 = new d1();
            string layer = "gko";
            string errinfo = "";
            bool isExist = g.Check_Layer_Exist(layer, g.JOB, g.STEP);
            if (!isExist)
            {
                errinfo = "gko層不存成";
                MessageBox.Show(errinfo, "提示", MessageBoxButtons.OK, MessageBoxIcon.Error);
                return;
            }
            g.SetWorkLayer(layer);
            double ShaveVal = double.Parse(txtShave.Text);
            double RoutDiVal = double.Parse(txtRoutVal.Text);
            double ConnectWidth = double.Parse(txtConnectWidth.Text);
            double InnerDi = double.Parse(txtInnerDi.Text);
            
            add addCom = new add();
            gLayer layerData = g.getFEATURES(layer, g.STEP, g.JOB);
            List<gA> ACircleList = new List<gA>();
            double CircleRMax = 0;
            if (layerData.Alist.Count > 0)
            {
                List<gA> Alist = layerData.Alist.OrderByDescending(tt => calc2.p2p_di(tt.pc, tt.ps)).ToList();
                ACircleList.Add(Alist[0]);
                CircleRMax = calc2.p2p_di(Alist[0].pc, Alist[0].ps);
                for (int i = 1; i < Alist.Count; i++)
                {
                    double p2p_di = calc2.p2p_di(Alist[i - 1].pc, Alist[i].pc);
                    double CircleRCurrent = calc2.p2p_di(Alist[i].pc, Alist[i].ps);
                    if (p2p_di > 0.01 || Math.Abs(CircleRMax - CircleRCurrent) > 0.01)
                        break;
                    ACircleList.Add(Alist[i]);
                }
            }
            else
            {
                errinfo = "未檢測到弧";
                MessageBox.Show(errinfo, "提示", MessageBoxButtons.OK, MessageBoxIcon.Error);
                return;
            }
            double LineWidth;
            var StrLineWidth = ACircleList[0].symbols.Replace("r", "");
            if (!(double.TryParse(StrLineWidth, out LineWidth)))
                LineWidth = 151;
            double ShaveDiDirection = CircleRMax - ShaveVal;
            arc_data ShaveArcData = calc1.arc_半徑與弓高(CircleRMax, ShaveVal);
            if (ConnectWidth > ShaveArcData.D弦長)
            {
                errinfo = "鏈接位長度不能大於弦長";
                MessageBox.Show(errinfo, "提示", MessageBoxButtons.OK, MessageBoxIcon.Error);
                return;
            }
            bool isArc = true; //默認按頭尾倒圓角
            double RoutDiDirection = CircleRMax - (ShaveVal + RoutDiVal * 0.5);
            arc_data RoutArcData = calc1.arc_半徑與弓高(CircleRMax, (ShaveVal + RoutDiVal * 0.5));
            for (int i = 0; i < 4; i++)  //{ 0, 90, 180, 270 };
            {
                if (!chkTB.Checked) //1 3
                {
                    if (i == 1 || i == 3)
                        continue;
                }
                if (!chkLR.Checked)//0 2
                {
                    if (i == 0 || i == 2)
                        continue;
                }
                double DirectionAng = g.ang_list[i];
                double P1Di = CircleRMax;
                double P1Ang = ShaveArcData.a圓心角 * 0.5;
                gPoint p1s = calc2.p_val_ang(ACircleList[0].pc, P1Di, DirectionAng - P1Ang);
                gPoint p1e = calc2.p_val_ang(ACircleList[0].pc, P1Di, DirectionAng + P1Ang);
                double P2Di = Math.Sqrt(Math.Pow(ShaveDiDirection, 2) + (Math.Pow((ConnectWidth + RoutDiVal) * 0.5, 2)));
                double P2Ang = calc1.side3_angle(ShaveDiDirection, (ConnectWidth + RoutDiVal) * 0.5, P2Di, 2);
                gPoint p2s = calc2.p_val_ang(ACircleList[0].pc, P2Di, DirectionAng - P2Ang);
                gPoint p2e = calc2.p_val_ang(ACircleList[0].pc, P2Di, DirectionAng + P2Ang);
                double P3Di = Math.Sqrt(Math.Pow(ShaveDiDirection, 2) + (Math.Pow(ConnectWidth * 0.5, 2)));
                double P3Ang = calc1.side3_angle(ShaveDiDirection, ConnectWidth * 0.5, P3Di, 2);
                gPoint p3s = calc2.p_val_ang(ACircleList[0].pc, P3Di, DirectionAng - P3Ang);
                gPoint p3e = calc2.p_val_ang(ACircleList[0].pc, P3Di, DirectionAng + P3Ang);
                double P4Di = CircleRMax;
                double P4Ang = RoutArcData.a圓心角 * 0.5;
                gPoint p4s = calc2.p_val_ang(ACircleList[0].pc, P4Di, DirectionAng - P4Ang);
                gPoint p4e = calc2.p_val_ang(ACircleList[0].pc, P4Di, DirectionAng + P4Ang);
                double P5Di = Math.Sqrt(Math.Pow(RoutDiDirection, 2) + (Math.Pow((ConnectWidth + RoutDiVal) * 0.5, 2)));
                double P5Ang = calc1.side3_angle(RoutDiDirection, (ConnectWidth + RoutDiVal) * 0.5, P5Di, 2);
                gPoint p5s = calc2.p_val_ang(ACircleList[0].pc, P5Di, DirectionAng - P5Ang);
                gPoint p5e = calc2.p_val_ang(ACircleList[0].pc, P5Di, DirectionAng + P5Ang);
                if (calc2.p2p_di(ACircleList[0].pc, p5s) > CircleRMax)
                {
                    p5s = p4s;
                    p5e = p4e;
                }
                List<gSur_Point> polyList = new List<gSur_Point>();
                if (isArc)
                {
                    var arc1 = calc2.l2a__Round(new gL(p4s, p5s, LineWidth), ACircleList[0], InnerDi * 0.5, 0.5, 1);
                    polyList.Add(new gSur_Point(arc1.a.pe, 0));
                    polyList.Add(new gSur_Point(arc1.a.pc, 2));
                    polyList.Add(new gSur_Point(arc1.a.ps, 0));
                }
                else
                {
                    polyList.Add(new gSur_Point(p4s, 0));
                }
                polyList.Add(new gSur_Point(p5s, 0));
                polyList.Add(new gSur_Point(p2s, 1));
                polyList.Add(new gSur_Point(p3s, 0));
                polyList.Add(new gSur_Point(p3e, 0));
                polyList.Add(new gSur_Point(p2e, 1));
                polyList.Add(new gSur_Point(p5e, 0));
                if (isArc)
                {
                    var arc2 = calc2.l2a__Round(new gL(p5e, p4e, LineWidth), ACircleList[0], InnerDi*0.5, 0.5, 2);
                    polyList.Add(new gSur_Point(arc2.a.pe, 0));
                    polyList.Add(new gSur_Point(arc2.a.pc, 2));
                    polyList.Add(new gSur_Point(arc2.a.ps, 0));
                }
                else
                {
                    polyList.Add(new gSur_Point(p4e, 0));
                }
                addCom.line_poly_AL(polyList, LineWidth);
            }
            g.COM("sel_extend_slots,mode=ext_by,size=500,from=center");
            for (int i = 0; i < 2; i++)  //防止重複線，再次執行
            {
                if (chkTB.Checked) //1 3
                {
                    g.COM($"delete_feat, mode = intersect,x={ACircleList[0].pc.x }, y={ACircleList[0].pc.y + CircleRMax}, tol=10", true);
                    g.COM($"delete_feat, mode = intersect,x={ACircleList[0].pc.x }, y={ACircleList[0].pc.y - CircleRMax}, tol=10", true);
                }
                if (chkLR.Checked)//0 2
                {
                    g.COM($"delete_feat, mode = intersect,x={ACircleList[0].pc.x + CircleRMax}, y={ACircleList[0].pc.y}, tol=10", true);
                    g.COM($"delete_feat, mode = intersect,x={ACircleList[0].pc.x - CircleRMax}, y={ACircleList[0].pc.y}, tol=10", true);
                }
            }
            g.COM("sel_extend_slots,mode=ext_by,size=-500,from=center");
            g.COM("sel_design2rout,det_tol=25.4,con_tol=25.4,rad_tol=2.54");
            MessageBox.Show("執行完成", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
            Application.Exit();
        }