private void GetInfo(string url, out GGeoImageInfo info)
{
HttpWebRequest r = HttpWebRequest.Create(url) as HttpWebRequest;
HttpWebResponse result = r.GetResponse() as HttpWebResponse;
System.IO.Stream mem = result.GetResponseStream();
XmlDocument doc = new XmlDocument();
doc.Load(mem);
XmlElement elm = doc.DocumentElement;
info = new GGeoImageInfo();
info.MinLevel = Convert.ToInt32(elm["MinLevel"].InnerText);
info.MaxLevel = Convert.ToInt32(elm["MaxLevel"].InnerText);
info.MinRow = Convert.ToInt32(elm["MinRow"].InnerText);
info.MaxRow = Convert.ToInt32(elm["MaxRow"].InnerText);
info.MinCol = Convert.ToInt32(elm["MinCol"].InnerText);
info.MaxCol = Convert.ToInt32(elm["MaxCol"].InnerText);
info.outFormat = (LCompressFormat)Convert.ToInt32(elm["Format"].InnerText);
info.Region.MinLon = Convert.ToDouble(elm["MinLon"].InnerText);
info.Region.MaxLon = Convert.ToDouble(elm["MaxLon"].InnerText);
info.Region.MinLat = Convert.ToDouble(elm["MinLat"].InnerText);
info.Region.MaxLat = Convert.ToDouble(elm["MaxLat"].InnerText);
}
public override string Open(string path)
{
filepath = path;
string url = "";
url = System.Configuration.ConfigurationManager.AppSettings["URL"];
url = string.Format("http://{0}/ImageServer/GetImageInfo.ashx?name={1}", url, filepath);
GGeoImageInfo info = new GGeoImageInfo();
try
{
GetInfo(url, out info);
}
catch (Exception)
{
// throw "error";
return("wrong");
}
MinLevel = info.MinLevel;
MaxLevel = info.MaxLevel;
MinRow = info.MinRow;
MaxRow = info.MaxRow;
MinCol = info.MinCol;
MaxCol = info.MaxCol;
outFormat = info.outFormat;
_region = info.Region;
this.CFormat = outFormat;
CurGeoRegion = _region;
return("");
}
public virtual string Open(string path)
{
try
{
fs = File.Open(path, FileMode.Open, FileAccess.Read, FileShare.Read);
br = new BinaryReader(fs);
MinLevel = br.ReadInt32();
MaxLevel = br.ReadInt32();
MinRow = br.ReadInt32();
MaxRow = br.ReadInt32();
MinCol = br.ReadInt32();
MaxCol = br.ReadInt32();
outFormat = (LCompressFormat)(br.ReadInt32());
_region = new GeoRegion();
_region.MinLon = br.ReadDouble();
_region.MaxLon = br.ReadDouble();
_region.MinLat = br.ReadDouble();
_region.MaxLat = br.ReadDouble();
this.CFormat = outFormat;
int dt = br.ReadInt32();
DataType = (LDataType)dt;
_bitsPerPixel = br.ReadInt32() * 8;
CurGeoRegion = _region;
MinX = CurGeoRegion.MinLon;
MaxX = CurGeoRegion.MaxLon;
MinY = CurGeoRegion.MinLat;
MaxY = CurGeoRegion.MaxLat;
_info = new GGeoImageInfo();
_info.MaxCol = MaxCol;
_info.MinCol = MinCol;
_info.MaxRow = MaxRow;
_info.MinRow = MinRow;
_info.MaxLevel = MaxLevel;
_info.MinLevel = MinLevel;
_info.outFormat = outFormat;
_info.Region = CurGeoRegion;
this.Tag = _info;
//ResolutionX =
}
catch
{
return("wrong");
}
return("");
}
