/// <summary>
/// MAPINFO={Col,Row}:{X,Y}:{ResolutionX,ResolutionY}
/// </summary>
/// <param name="mapInfoString"></param>
/// <returns></returns>
public static CoordEnvelope FromMapInfoString(string mapInfoString, Size size)
{
HdrMapInfo mapInfo = ParseMapInfo(mapInfoString);
float LonSolution = (float)mapInfo.XYResolution.Longitude;
float LatSolution = (float)mapInfo.XYResolution.Latitude;
float MinLon = (float)mapInfo.BaseMapCoordinateXY.Longitude - LonSolution * (mapInfo.BaseRowColNumber.X - 1);/*ENVI pixel from 1*/
float MaxLat = (float)mapInfo.BaseMapCoordinateXY.Latitude + LatSolution * (mapInfo.BaseRowColNumber.Y - 1);
float MaxLon = MinLon + LonSolution * size.Width;
float MinLat = MaxLat - LatSolution * size.Height;
return(new CoordEnvelope(MinLon, MaxLon, MinLat, MaxLat));
}
private static HdrMapInfo GetMapInfo(string prjName, string cX, string cY, string cLon, string cLat, string eLon, string eLat, string rLon, string erLon, string rLat, string erLat, string project, string units)
{
HdrMapInfo hdrMapInfo = new HdrMapInfo();
hdrMapInfo.Name = prjName;
hdrMapInfo.BaseRowColNumber = new System.Drawing.Point(Convert.ToInt32(string.IsNullOrEmpty(cX) ? "-1" : (cX.IndexOf('.') == -1 ? cX : cX.Substring(0, cX.IndexOf('.')))), Convert.ToInt32(string.IsNullOrEmpty(cY) ? "-1" : (cY.IndexOf('.') == -1 ? cY : cY.Substring(0, cY.IndexOf('.')))));
hdrMapInfo.BaseMapCoordinateXY.Latitude = Convert.ToDouble(string.IsNullOrEmpty(cLat) ? "-1" : cLat) * (string.IsNullOrEmpty(eLat) ? 1 : Math.Pow(10, Convert.ToDouble(eLat)));;
hdrMapInfo.BaseMapCoordinateXY.Longitude = Convert.ToDouble(string.IsNullOrEmpty(cLon) ? "-1" : cLon) * (string.IsNullOrEmpty(eLon) ? 1 : Math.Pow(10, Convert.ToDouble(eLon)));;
hdrMapInfo.XYResolution.Latitude = Math.Round(Convert.ToDouble(string.IsNullOrEmpty(rLat) ? "-1" : rLat), 6) * (string.IsNullOrEmpty(erLat) ? 1 : Math.Pow(10, Convert.ToDouble(erLat)));
hdrMapInfo.XYResolution.Longitude = Math.Round(Convert.ToDouble(string.IsNullOrEmpty(rLon) ? "-1" : rLon), 6) * (string.IsNullOrEmpty(erLon) ? 1 : Math.Pow(10, Convert.ToDouble(erLon)));
hdrMapInfo.CoordinateType = project;
hdrMapInfo.Units = units;
return(hdrMapInfo);
}
private static HdrMapInfo ParseMapInfo(string value)
{
if (string.IsNullOrEmpty(value))
{
return(null);
}
string[] parts = value.Split(':');
if (parts.Length != 3)
{
return(null);
}
for (int i = 0; i < parts.Length; i++)
{
parts[i] = parts[i].Replace('{', ' ').Replace('}', ' ').Trim();
}
string[] values = parts[0].Split(',');
if (values.Length != 2)
{
return(null);
}
HdrMapInfo mapInfo = new HdrMapInfo();
mapInfo.BaseRowColNumber = new Point(int.Parse(values[0]), int.Parse(values[1]));
values = parts[1].Split(',');
if (values.Length != 2)
{
return(null);
}
mapInfo.BaseMapCoordinateXY = new HdrGeoPointCoord(double.Parse(values[0]), double.Parse(values[1]));
values = parts[2].Split(',');
if (values.Length != 2)
{
return(null);
}
mapInfo.XYResolution = new HdrGeoPointCoord(double.Parse(values[0]), double.Parse(values[1]));
return(mapInfo);
}
