private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)
        {
            TopoPolygon SelectedTopoPolygon = sTopoPolygonSet.TopoPolygonList[comboBox1.SelectedIndex];

            textBox1.Text = string.Format("PID:\t{0}\r\n弧段数:\t{1}\r\n周长:\t{2}\r\n面积:\t{3}",
                                          SelectedTopoPolygon.PID, SelectedTopoPolygon.TopologyArcs.Count,
                                          SelectedTopoPolygon.GetPerimeter().ToString("0.00"),
                                          SelectedTopoPolygon.GetArea().ToString("0.00"));
        }
示例#2
0
 private void agisControl_MouseDoubleClick(object sender, MouseEventArgs e)
 {
     MouseLocation = e.Location;
     GridDivisionScreenRefresh();
     if (this.UserOperation != UserOperationType.DisplayInGrid ||
         GridDivisionCount_X * EachGridDivisionCount_X < 1 ||
         GridDivisionCount_Y * EachGridDivisionCount_Y < 1 ||
         this.IsGridVisible == false)
     {
         return;
     }
     if (e.Clicks == 2 && this.IsQueryIntersection == true && this.ShowTopology == false && this.IsGridVisible == true)
     {
         SelectPointX = SelectPointY = -1;
         int gridScreen_AxisX_count = GridScreen_AxisX.Count;
         for (int i = 0; i < gridScreen_AxisX_count; i++)
         {
             if (Math.Abs(GridScreen_AxisX[i] - this.MouseLocation.X) < this.SelectPixelThreshold)
             {
                 SelectPointX = this.agisControl.GetRealWorldLocX((float)GridScreen_AxisX[i]);
             }
         }
         int gridScreen_AxisY_count = GridScreen_AxisY.Count;
         for (int i = 0; i < gridScreen_AxisY_count; i++)
         {
             if (Math.Abs(GridScreen_AxisY[i] - this.MouseLocation.Y) < this.SelectPixelThreshold)
             {
                 SelectPointY = this.agisControl.GetRealWorldLocY((float)GridScreen_AxisY[i]);
             }
         }
         //选中了格网点
         if (SelectPointX != -1 && SelectPointY != -1 && agisControl.GridIntMethod != Mehtod.GridInterpolationMehtod.None)
         {
             this.agisControl.Refresh();
             string MethodName = "";
             string Para       = "";
             if (agisControl.GridIntMethod == Mehtod.GridInterpolationMehtod.方位加权平均法)
             {
                 if (agisControl.方位加权平均法SectorNum < 0)
                 {
                     MessageBox.Show("按方位加权平均法 参数尚未设置", "错误"); return;
                 }
                 MethodName = "按方位加权平均法";
                 Para       = string.Format("{0}:{1}", "每个象限等分扇区数N0", agisControl.方位加权平均法SectorNum / 4);
             }
             else if (agisControl.GridIntMethod == Mehtod.GridInterpolationMehtod.距离平方倒数法)
             {
                 if (agisControl.距离平方倒数法NearPts < 0)
                 {
                     MessageBox.Show("距离平方倒数法 参数尚未设置", "错误"); return;
                 }
                 MethodName = "距离平方倒数法";
                 Para       = string.Format("{0}:{1}", "选取距插值点最近的N个点", agisControl.距离平方倒数法NearPts);
             }
             MessageBox.Show(string.Format("{0}\t\r\nX:{1}\t\nY:{2}\t\r\nValue:{3}\r\n\r\n{4}\r\n{5}",
                                           "格网点属性信息:", SelectPointX.ToString("0.00"), SelectPointY.ToString("0.00"),
                                           agisControl.GetGridInterpolationValue(SelectPointX, SelectPointY).ToString("0.000"),
                                           "插值方法:" + MethodName, Para
                                           ), "属性查询");
         }
     }
     if (e.Clicks == 2 && this.IsQueryTopoPolygon == true && this.ShowTopology == true && this.ShowTopoPolygon == true)
     {
         TopoPoint clickLoc = new TopoPoint(agisControl.GetRealWorldLocX(e.X), agisControl.GetRealWorldLocX(e.Y), 0, false);
         this.SelectedTopoPolygon = this.mTopoPolygonSet.GetClickPointInsidePolygon(clickLoc);
         this.agisControl.Refresh();
         if (SelectedTopoPolygon != null)
         {
             MessageBox.Show(string.Format("PID:{0}\r\n弧段数:{1}\r\n周长:{2}\r\n面积:{3}",
                                           SelectedTopoPolygon.PID, SelectedTopoPolygon.TopologyArcs.Count,
                                           SelectedTopoPolygon.GetPerimeter().ToString("0.00"),
                                           SelectedTopoPolygon.GetArea().ToString("0.00")), "多边形信息");
         }
     }
 }