public ige_projectionDAL getProjectionDAL(_ge_location loc)
{
Constants.datumProjection _dp = loc.datumProjection;
if (loc.datumProjection == Constants.datumProjection.OSGB36NG)
{
_projectionDAL = new ge_projectionOSGB36(loc);
}
if (loc.datumProjection == Constants.datumProjection.OSGB36NGODN)
{
_projectionDAL = new ge_projectionOSGB36(loc);
}
if (loc.datumProjection == Constants.datumProjection.WGS84)
{
_projectionDAL = new ge_projectionWGS84(loc);
}
if (loc.datumProjection == Constants.datumProjection.GRS80)
{
_projectionDAL = new ge_projectionGRS80(loc);
}
return(_projectionDAL);
}
public bool UpdateProjectionLoc(_ge_location loc, out string msg, string sourceCoordSystem = "")
{
bool retvar = false;
if (loc.datumProjection == datumProjection.NONE)
{
retvar = true;
msg = "No datumProjection";
}
else
{
ProjectionSystem ps = new ProjectionSystem();
ige_projectionDAL pd = ps.getProjectionDAL(loc);
if (pd == null)
{
msg = "datumProjection not understood";
retvar = false;
}
else
{
retvar = ps.updateAll(sourceCoordSystem);
msg = pd.getMessage();
}
}
return(retvar);
}
public bool UpdateProjectionLoc(_ge_location loc)
{
bool retvar = false;
if (loc.datumProjection == Constants.datumProjection.NONE)
{
retvar = true;
ViewData["locMessage"] = "No datumProjection";
}
else
{
ProjectionSystem ps = new ProjectionSystem();
ige_projectionDAL pd = ps.getProjectionDAL(loc);
if (pd == null)
{
retvar = false;
}
else
{
retvar = pd.updateAll(locSelect);
ViewData["locMessage"] = pd.getMessage();
}
}
return(retvar);
}
public static bool ValidHeight(_ge_location ge_loc)
{
if (ge_loc.locHeight == null)
{
return(false);
}
return(true);
}
public static bool ValidLatitudeLongitude(_ge_location ge_loc)
{
if (ge_loc.locLongitude == null)
{
return(false);
}
if (ge_loc.locLatitude == null)
{
return(false);
}
return(true);
}
public ge_projectionGRS80(_ge_location Loc) : base(Loc)
{
ge_projection_factors pf = new ge_projection_factors();
pf.a = 6378137.0000;
pf.b = 6356752.3141;
pf.f0 = 0.999601271700;
pf.e0 = 400000.000;
pf.n0 = -100000.000;
pf.PHI0 = 49.000;
pf.LAM0 = -2.000;
gc.pf = pf;
}
public ge_projectionOSGB36(_ge_location Loc) : base(Loc)
{
ge_projection_factors pf = new ge_projection_factors();
pf.a = 6377563.3960;
pf.b = 6356256.9090;
pf.f0 = 0.999601271700;
pf.e0 = 400000.000;
pf.n0 = -100000.000;
pf.PHI0 = 49.000;
pf.LAM0 = -2.000;
gc.pf = pf;
}
public bool process_loc(_ge_location ge_loc, string description, string id)
{
try {
if (!ValidLatitudeLongitude(ge_loc))
{
return(false);
}
string coordinates = ge_loc.locLongitude + "," + ge_loc.locLatitude;
if (ValidHeight(ge_loc))
{
coordinates += "," + ge_loc.locHeight;
}
XmlNode PlaceMark = _doc.CreateElement(kmlContainer.PLACEMARK);
XmlNode Name = _doc.CreateElement(kmlContainer.NAME);
Name.InnerText = ge_loc.locName;
PlaceMark.AppendChild(Name);
XmlNode Description = _doc.CreateElement(kmlContainer.DESCRIPTION);
Description.InnerText = description;
PlaceMark.AppendChild(Description);
XmlNode Point = _doc.CreateElement(kmlContainer.POINT);
PlaceMark.AppendChild(Point);
XmlNode Coordinates = _doc.CreateElement(kmlContainer.COORDS);
Coordinates.InnerText = coordinates;
Point.AppendChild(Coordinates);
XmlNode ExtendedData = _doc.CreateElement(kmlContainer.EXTENDEDDATA);
PlaceMark.AppendChild(ExtendedData);
XmlElement Data = _doc.CreateElement(kmlContainer.DATA);
Data.SetAttribute(kmlContainer.NAME, description);
ExtendedData.AppendChild(Data);
XmlElement Value = _doc.CreateElement(kmlContainer.VALUE);
Value.InnerText = description;
Data.AppendChild(Value);
currentContainer.AppendChild(PlaceMark);
return(true);
} catch {
return(false);
}
}
private bool write_location(_ge_location loc, XmlNode parent)
{
try {
AddNode("locName", loc.locName, parent);
AddNode("locAddress", loc.locAddress, parent);
AddNode("locPostCode", loc.locPostcode, parent);
AddNode("locMapReference", loc.locMapReference, parent);
AddNode("locEast", loc.locEast.ToString(), parent);
AddNode("locNorth", loc.locNorth.ToString(), parent);
AddNode("locLevel", loc.locLevel.ToString(), parent);
AddNode("datumProjection", loc.datumProjection.ToString(), parent);
AddNode("locLatitude", loc.locLatitude.ToString(), parent);
AddNode("locLongitude", loc.locLongitude.ToString(), parent);
AddNode("locHeight", loc.locHeight.ToString(), parent);
AddNode("folder", loc.folder, parent);
return(true);
} catch {
return(false);
}
}
public _ge_projectionDAL(_ge_location Loc)
{
gc = new ge_conversion();
loc = Loc;
}
