}//DataType方法，判断导入数据类型
public static void Importfile(StreamReader f, Graphics g, int Height, int Width)
{
while (f.Peek() > -1) //判断文件有没有读取完
{
string tmp = f.ReadLine(); //读取第一行信息
switch (Funcs.DataType(tmp)) //根据数据类型绘制
{
case 1: //为实体点
{
string temp = f.ReadLine(); //再读一行字符串，判断是否为空，不为空就录入
while (temp != null && temp != ",,,")
{ //实例化实体点并加入实体点集
Realpoint realpoint = new Realpoint(temp);
MyGlo.rplist.Add(realpoint);
temp = f.ReadLine();
} //while
} //case 1
break;
case 2: //为注记点
{
string temp = f.ReadLine();
while (temp != null && temp != ",,,")
{
Notepoint notepoint = new Notepoint(temp);
MyGlo.nplist.Add(notepoint);
temp = f.ReadLine();
}
} //case 2
break;
case 3: //为常规线
{
string temp = f.ReadLine();
List <Basepoint> bt_temp = new List <Basepoint>();
while (temp != null && temp != ",,,")
{
Linkpoint linkpoint = new Linkpoint(temp);
bt_temp.Add(linkpoint);
temp = f.ReadLine();
}
Lineshape lineshape = new Lineshape(bt_temp, tmp); //实例化线对象
MyGlo.llist.Add(lineshape); //加入列表
} //case3
break;
case 4: //为弧线
{
string temp = f.ReadLine();
List <Basepoint> bt_temp = new List <Basepoint>();
while (temp != null && temp != ",,,")
{
Linkpoint linkpoint = new Linkpoint(temp);
bt_temp.Add(linkpoint);
temp = f.ReadLine();
}
Lineshape lineshape = new Lineshape(bt_temp, tmp);
MyGlo.llist.Add(lineshape);
}
break; //case4
case 5:
{
string temp = f.ReadLine();
List <Basepoint> bt_temp = new List <Basepoint>();
while (temp != null && temp != ",,,")
{
Linkpoint linkpoint = new Linkpoint(temp);
bt_temp.Add(linkpoint);
temp = f.ReadLine();
}
Lineshape lineshape = new Lineshape(bt_temp, tmp);
MyGlo.llist.Add(lineshape);
}
break; //case5
case 6:
{
string temp = f.ReadLine();
List <Basepoint> bt_temp = new List <Basepoint>();
while (temp != null && temp != ",,,")
{
Linkpoint linkpoint = new Linkpoint(temp);
bt_temp.Add(linkpoint);
temp = f.ReadLine();
}
Lineshape lineshape = new Lineshape(bt_temp, tmp);
MyGlo.llist.Add(lineshape);
}
break; //case6
}//switch Funcs.Update(g, Width, Height);
}//while
} //importfile，导入roi
private void pictureBox1_Click(object sender, EventArgs e)
{
try
{
//距离量测
if (bool_cul == true)
{
if (bool_dis == true)
{
p = pictureBox1.PointToClient(MousePosition);
bool_dis = false;
}
else
{
Point p2 = pictureBox1.PointToClient(MousePosition);
object obj = Funcs.choice(p2.X, p2.Y, pictureBox1.Width, pictureBox1.Height);
if (obj == null)
{
float d = DouglasPeuker.Distance(p2.X, p2.Y, p.X, p.Y);
MessageBox.Show("未选中目标，鼠标两点地理距离为：" + (d / MyGlo.scale).ToString("F4"), "距离显示：");
NoActive();
}
else
{
if (obj is Realpoint)
{
Point temp_p;
temp_p = Funcs.CoorTransform((obj as Realpoint).Map_X, (obj as Realpoint).Map_Y, pictureBox1.Width, pictureBox1.Height);
float d = DouglasPeuker.Distance(p.X, p.Y, temp_p.X, temp_p.Y);
MessageBox.Show("选中实体点，鼠标两点地理距离为：" + (d / MyGlo.scale).ToString("F4"), "距离显示：");
NoActive();
}
else if (obj is Notepoint)
{
Point temp_p;
temp_p = Funcs.CoorTransform((obj as Notepoint).Map_X, (obj as Notepoint).Map_Y, pictureBox1.Width, pictureBox1.Height);
float d = DouglasPeuker.Distance(p.X, p.Y, temp_p.X, temp_p.Y);
MessageBox.Show("选中注记点，鼠标两点地理距离为：" + (d / MyGlo.scale).ToString("F4"), "距离显示：");
NoActive();
}
else if (obj is Lineshape)
{
if ((obj as Lineshape).ID[0] == 'l' && (obj as Lineshape).ID[1] == '1' && (obj as Lineshape).CoorList.Count == 2)
{
if ((p.X <= (obj as Lineshape).CoorList[0].Map_X && p.X >= (obj as Lineshape).CoorList[1].Map_X &&
p.Y <= (obj as Lineshape).CoorList[0].Map_Y && p.Y >= (obj as Lineshape).CoorList[1].Map_Y) ||
(p.X >= (obj as Lineshape).CoorList[0].Map_X && p.X <= (obj as Lineshape).CoorList[1].Map_X &&
p.Y <= (obj as Lineshape).CoorList[1].Map_Y && p.Y >= (obj as Lineshape).CoorList[0].Map_Y) ||
(p.X >= (obj as Lineshape).CoorList[0].Map_X && p.X <= (obj as Lineshape).CoorList[1].Map_X &&
p.Y >= (obj as Lineshape).CoorList[1].Map_Y && p.Y <= (obj as Lineshape).CoorList[0].Map_Y) ||
(p.X <= (obj as Lineshape).CoorList[0].Map_X && p.X >= (obj as Lineshape).CoorList[1].Map_X &&
p.Y <= (obj as Lineshape).CoorList[1].Map_Y && p.Y >= (obj as Lineshape).CoorList[0].Map_Y))
{
Point temp_p1, temp_p2;
temp_p1 = Funcs.CoorTransform((obj as Lineshape).CoorList[0].Map_X, (obj as Lineshape).CoorList[0].Map_Y, pictureBox1.Width, pictureBox1.Height);
temp_p2 = Funcs.CoorTransform((obj as Lineshape).CoorList[1].Map_X, (obj as Lineshape).CoorList[1].Map_Y, pictureBox1.Width, pictureBox1.Height);
float d = DouglasPeuker.Distance(p.X, p.Y, temp_p1.X, temp_p1.Y, temp_p2.X, temp_p2.Y);
MessageBox.Show("选中直线，点到地理距离为：" + (d / MyGlo.scale).ToString("F4"), "距离显示：");
NoActive();
}
else
{
Point temp_p1, temp_p2;
temp_p1 = Funcs.CoorTransform((obj as Lineshape).CoorList[0].Map_X, (obj as Lineshape).CoorList[0].Map_Y, pictureBox1.Width, pictureBox1.Height);
temp_p2 = Funcs.CoorTransform((obj as Lineshape).CoorList[1].Map_X, (obj as Lineshape).CoorList[1].Map_Y, pictureBox1.Width, pictureBox1.Height);
float d = Math.Min(DouglasPeuker.Distance(p.X, p.Y, temp_p1.X, temp_p1.Y), DouglasPeuker.Distance(p.X, p.Y, temp_p2.X, temp_p2.Y));
MessageBox.Show("选中直线，点到地理距离为：" + (d / MyGlo.scale).ToString("F4"), "距离显示：");
NoActive();
}
}
else
{
MessageBox.Show("暂不支持曲线/面和多点线/面，请选择两点直线段,如果想求点到多段线的最小距离可以使用点线关系工具", "提示");
NoActive();
}
}
}
}
}
//点点关系，写的看不下去，可使用basepoint简化
if (bool_dd == true)
{
Point p2 = pictureBox1.PointToClient(MousePosition);
if (o == null)
{
o = Funcs.choice(p2.X, p2.Y, (pictureBox1 as PictureBox).Width, (pictureBox1 as PictureBox).Height);
}
else if (o is Realpoint || o is Notepoint)
{
Funcs.Rdd(o, pictureBox1, p2);
NoActive();
}
else
{
MessageBox.Show("请选择两点");
NoActive();
}
}
//点线关系
if (bool_dx == true)
{
Point p2 = pictureBox1.PointToClient(MousePosition);
if (o == null)
{
o = Funcs.choice(p2.X, p2.Y, (pictureBox1 as PictureBox).Width, (pictureBox1 as PictureBox).Height);
}
else if (o is Realpoint || o is Notepoint)
{
Funcs.Rdx(o, pictureBox1, p2);
NoActive();
}
else
{
MessageBox.Show("请选择一点和一条直线");
NoActive();
}
}
//点面关系
if (bool_dm == true)
{
Point p2 = pictureBox1.PointToClient(MousePosition);
if (o == null)
{
o = Funcs.choice(p2.X, p2.Y, (pictureBox1 as PictureBox).Width, (pictureBox1 as PictureBox).Height);
}
else if (o is Realpoint || o is Notepoint)
{
Funcs.Rdm(o, pictureBox1, p2);
NoActive();
}
else
{
MessageBox.Show("请选择一点和一直线面");
NoActive();
}
}
//删除对象
if (bool_del == true)
{
Point p2 = pictureBox1.PointToClient(MousePosition);
object obj = Funcs.choice(p2.X, p2.Y, pictureBox1.Width, pictureBox1.Height);
Funcs.Del(obj, pictureBox1);
NoActive();
this.Cursor = Cursors.Default;
}
//符号绘制
if (fuhao1 == true)
{
Graphics g = pictureBox1.CreateGraphics();
Funcs.Daoxiandian(g, pictureBox1.PointToClient(MousePosition).X, pictureBox1.PointToClient(MousePosition).Y, pictureBox1.Width, pictureBox1.Height);
NoActive();
}
if (fuhao2 == true)
{
Graphics g = pictureBox1.CreateGraphics();
Funcs.Jiaotang(g, pictureBox1.PointToClient(MousePosition).X, pictureBox1.PointToClient(MousePosition).Y, pictureBox1.Width, pictureBox1.Height);
NoActive();
}
}
catch
{
MessageBox.Show("未知错误");
}
}
public static void Rdd(object o, object pictureBox1, Point p2)
{//点与点关系判断
object obj = Funcs.choice(p2.X, p2.Y, (pictureBox1 as PictureBox).Width, (pictureBox1 as PictureBox).Height);
if (o is Realpoint)
{
if (obj is Realpoint)
{
float d = DouglasPeuker.Distance((o as Realpoint).Map_X, (o as Realpoint).Map_Y, (obj as Realpoint).Map_X, (obj as Realpoint).Map_Y);
if (d == 0)
{
MessageBox.Show("目标重合");
}
else
{
MessageBox.Show("相离，选中目标点的地理距离为：" + d.ToString("F4"), "关系显示：");
}
}
else if (obj is Notepoint)
{
float d = DouglasPeuker.Distance((o as Realpoint).Map_X, (o as Realpoint).Map_Y, (obj as Notepoint).Map_X, (obj as Notepoint).Map_Y);
if (d == 0)
{
MessageBox.Show("目标重合");
}
else
{
MessageBox.Show("相离，选中目标点的地理距离为：" + d.ToString("F4"), "关系显示：");
}
}
else if (obj is null || obj is Lineshape)
{
MessageBox.Show("只能判断实体点和注记点的关系", "关系显示：");
}
}
else if (o is Notepoint)
{
if (obj is Realpoint)
{
float d = DouglasPeuker.Distance((o as Notepoint).Map_X, (o as Notepoint).Map_Y, (obj as Realpoint).Map_X, (obj as Realpoint).Map_Y);
if (d == 0)
{
MessageBox.Show("目标重合");
}
else
{
MessageBox.Show("相离，选中目标点的地理距离为：" + d.ToString("F4"), "关系显示：");
}
}
else if (obj is Notepoint)
{
float d = DouglasPeuker.Distance((o as Notepoint).Map_X, (o as Notepoint).Map_Y, (obj as Notepoint).Map_X, (obj as Notepoint).Map_Y);
if (d == 0)
{
MessageBox.Show("目标重合");
}
else
{
MessageBox.Show("相离，选中目标点的地理距离为：" + d.ToString("F4"), "关系显示：");
}
}
else if (obj is null)
{
MessageBox.Show("只能判断实体点和注记点的关系", "关系显示：");
}
}
}