获取图吧的地图

2016-06-07 11:24:30 访问(1834) 赞(0) 踩(0)

using System;
using GMap.NET;
using GMap.NET.MapProviders;
using GMap.NET.Projections;

namespace GMapDemo.Mapbar
{
    public abstract class  MapbarProviderBase :GMapProvider
    {

        GMapProvider[] overlays;

        public MapbarProviderBase()
        {
            MaxZoom = null;
            RefererUrl = "http://10.23.10.102:81";
            Copyright = string.Format("?{0} eKingLBS Corporation",DateTime.Today.Year);
        }

        public override PureProjection Projection
        {
            get { return MercatorProjection.Instance; }
        }

        public override GMapProvider[] Overlays
        {
            get {
                if (overlays == null)
                {
                    overlays = new GMapProvider[] { this };
                }

                return overlays;
            }
        }


    }
}


// MapbarProvider //
using System;
using GMap.NET;

namespace GMapDemo.Mapbar
{
    class MapbarProvider:MapbarProviderBase
    {
        public static readonly MapbarProvider Instance;
        private readonly Guid m_id = new Guid("EF3DD303-3F74-4938-BF40-232D0595EE88");
        private readonly string m_Name = "MapBar";

        public override Guid Id { get { return m_id; } }
        public override string Name { get { return m_Name; } }

        static MapbarProvider()
        {
            Instance = new MapbarProvider();
        }

        public override GMap.NET.PureImage GetTileImage(GMap.NET.GPoint pos, int zoom)
        {
            try
            {
                string url = MakeTileImageUrl(pos,zoom,LanguageStr);
                return GetTileImageUsingHttp(url);
            }
            catch(Exception ex)
            {
                return null;
            }
            
        }

        //http://10.23.10.102:81/advdynamic/02/GetPng/1/15/26437/14532/?default
        static readonly string urlFormat = "http://10.23.10.102:81/advdynamic/02/GetPng/1/{0}/{1}/{2}/?default";
        string MakeTileImageUrl(GMap.NET.GPoint pos, int zoom, string language)
        {
            //GMap.NET.GPoint offset = GetOffset(zoom,pos.Y);
            //long num = Convert.ToInt64(Math.Pow(2,21-zoom));
            //long X = pos.X * num / 256;
            //long Y = pos.Y * num / 256;

            //GPoint currPoint = GetPoint(zoom,offsetX,offsetY);
            //http://10.23.10.102:81/advdynamic/02/GetPng/1/16/52872/29061/?default

            string retUrl = string.Format(urlFormat, zoom, pos.X, pos.Y);
            Console.WriteLine("url:" + retUrl);

            return retUrl;
        }
    }
}

// Form1 //
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using GMap.NET.WindowsForms;
using GMap.NET.MapProviders;
using GMap.NET;
using GMap.NET.WindowsForms.Markers;
using System.Net;
using GMapDemo.Mapbar;

namespace GMapDemo
{
    public partial class Form1 : Form
    {
        GMapOverlay gMapOverlay = null;
        public Form1()
        {
            InitializeComponent();

            toolStripComboBox1.Text = "110.458457966533/19.9400473726004";


            try
            {
                IPAddress ip = IPAddress.Parse("10.23.10.102");
                System.Net.IPHostEntry e = System.Net.Dns.GetHostEntry(ip);
                //System.Net.IPHostEntry e = System.Net.Dns.GetHostEntry("ditu.google.cn");
            }
            catch
            {
                mapControl1.Manager.Mode = GMap.NET.AccessMode.CacheOnly;
                MessageBox.Show("No internet connection available,going to CacheOnly mode.", "GMapDemo", MessageBoxButtons.OK, MessageBoxIcon.Warning);
            }

            //mapControl1.Manager.Mode = GMap.NET.AccessMode.CacheOnly;
            mapControl1.CacheLocation = Environment.CurrentDirectory + "\\GMapCache\\"; //缓存文件所在位置
            //mapControl1.MapProvider = GMapProviders.GoogleChinaSatelliteMap;
            mapControl1.MapProvider = MapbarProvider.Instance;
            //mapControl1.MapProvider.Area = new RectLatLng(110.47047,19.929807, 0.00555806, 0.025724);
            //mapControl1.BoundsOfMap = new RectLatLng(110.47047, 19.929807, 0.00555806, 0.025724);
            mapControl1.MinZoom = 14;
            mapControl1.MaxZoom = 21;
            mapControl1.Zoom = 14;
            mapControl1.ShowCenter = true;
            mapControl1.DragButton = System.Windows.Forms.MouseButtons.Left;
            mapControl1.Position = new PointLatLng(19.942679, 110.442668);
            mapControl1.MouseClick += new MouseEventHandler(mapControl_MouseClick);


              gMapOverlay = new GMapOverlay("mark");　　//创建图层  

            mapControl1.Overlays.Add(gMapOverlay);　　//向控件中添加图层  
        }

        void mapControl_MouseClick(object sender, MouseEventArgs e)
        {
            if (e.Button == System.Windows.Forms.MouseButtons.Right)
            {
                PointLatLng point = mapControl1.FromLocalToLatLng(e.X,e.Y);
                String show = String.Format("Lat={0:00.000000},Lng={1:000.000000}",point.Lat,point.Lng);
                MessageBox.Show(show,"CurrentLocation",MessageBoxButtons.OK);
            }
        }

        private void groupBox1_Enter(object sender, EventArgs e)
        {

        }

        protected double GetXY(string str, bool isX)
        {
            int idx = str.IndexOf('/');

            if (isX)
                return double.Parse(str.Substring(0, idx));
            else
                return double.Parse(str.Substring(idx + 1));
        }

        private void toolStripButton1_Click(object sender, EventArgs e)
        {
            //创建图层(overlay)和标签(marker)，将标签加入图层，再将图层加入控件中  
            try
            {
                double dX = 0;
                double dY = 0;

                dX = GetXY(toolStripComboBox1.Text, true);
                dY = GetXY(toolStripComboBox1.Text, false);

                GMapMarker gMapMarker
                    =
                    new GMarkerGoogle(new PointLatLng(dY,dX),
                    GMarkerGoogleType.green);//在(45.7，126.695）上绘制一绿色点  
                gMapOverlay.Markers.Add(gMapMarker);　　//向图层中添加标签  
               
            }
            catch (Exception er)
            {
                MessageBox.Show(er.Message);
            }
        }

        private void toolStripButton2_Click(object sender, EventArgs e)
        {

            MainForm f = new MainForm();

            f.Show();
        }
    }
}