namespace GMap
.NET.MapProviders
{
using System;
/// <summary>
/// GoogleChinaTerrainMap provider
/// </summary>
public class GoogleChinaTerrainMapProvider
: GoogleMapProviderBase
{
public static readonly GoogleChinaTerrainMapProvider Instance
;
GoogleChinaTerrainMapProvider
()
{
RefererUrl
= string.Format("http://ditu.{0}/", ServerChina
);
}
static GoogleChinaTerrainMapProvider
()
{
Instance
= new GoogleChinaTerrainMapProvider
();
}
public string Version
= "t@132,r@298";
#region GMapProvider Members
readonly Guid id
= new Guid
("831EC3CC-B044-4097-B4B7-FC9D9F6D2CFC");
public override Guid Id
{
get
{
return id
;
}
}
readonly string name
= "GoogleChinaTerrainMap";
public override string Name
{
get
{
return name
;
}
}
public override PureImage GetTileImage
(GPoint pos,
int zoom
)
{
string url
= MakeTileImageUrl
(pos, zoom, LanguageStr
);
return GetTileImageUsingHttp
(url
);
}
#endregion
string MakeTileImageUrl
(GPoint pos,
int zoom,
string language
)
{
string sec1
= string.Empty; // after &x=...
string sec2
= string.Empty; // after &zoom=...
GetSecureWords
(pos,
out sec1,
out sec2
);
return string.Format(UrlFormat, UrlFormatServer, GetServerNum
(pos,
4), UrlFormatRequest, Version, ChinaLanguage, pos
.X, sec1, pos
.Y, zoom, sec2, ServerChina
);
}
static readonly string ChinaLanguage
= "zh-CN";
static readonly string UrlFormatServer
= "mt";
static readonly string UrlFormatRequest
= "vt";
static readonly string UrlFormat
= "http://{0}{1}.{10}/{2}/lyrs={3}&hl={4}&gl=cn&x={5}{6}&y={7}&z={8}&s={9}";
}
}