public DmsLocation Convert(DecimalLocation decimalLocation)
{
if (decimalLocation == null)
{
return(null);
}
return(new DmsLocation
{
Latitude = new DmsPoint
{
Degrees = ExtractDegrees(decimalLocation.Latitude),
Minutes = ExtractMinutes(decimalLocation.Latitude),
Seconds = ExtractSeconds(decimalLocation.Latitude),
Type = PointType.Lat
},
Longitude = new DmsPoint
{
Degrees = ExtractDegrees(decimalLocation.Longitude),
Minutes = ExtractMinutes(decimalLocation.Longitude),
Seconds = ExtractSeconds(decimalLocation.Longitude),
Type = PointType.Lon
}
});
}
/// <summary>
/// place the real GEO map underlay
/// </summary>
/// <param name="centerPt"></param>
/// <param name="sourceMapCorners"></param>
private void buildGEOImage(MapPointCls centerPt, MapPointCls[] sourceMapCorners)
{
var doc = Autodesk.AutoCAD.ApplicationServices.Core.Application.DocumentManager.MdiActiveDocument;
if (doc == null)
{
return;
}
var db = doc.Database;
var ed = doc.Editor;
double ModelCenterX = HardCoded.ModelCenterX;
double ModelCenterY = HardCoded.ModelCenterY;
//GEO location data of the corners
//the source are two points. calculate the other two points
//convert them to string
string[] oMapCorners = new string[4];
GEOConverter oGeoC = new GEOConverter();
//left top
DecimalLocation decimalLocation = new DecimalLocation
{
Latitude = (decimal)sourceMapCorners[0].latitude,
Longitude = (decimal)sourceMapCorners[0].longitude
};
DmsLocation dmsLocation = oGeoC.Convert(decimalLocation);
oMapCorners[0] = dmsLocation.ToString();
//right top
decimalLocation = new DecimalLocation
{
Latitude = (decimal)sourceMapCorners[0].latitude,
Longitude = (decimal)sourceMapCorners[1].longitude
};
dmsLocation = oGeoC.Convert(decimalLocation);
oMapCorners[1] = dmsLocation.ToString();
//right bottom
decimalLocation = new DecimalLocation
{
Latitude = (decimal)sourceMapCorners[1].latitude,
Longitude = (decimal)sourceMapCorners[1].longitude
};
dmsLocation = oGeoC.Convert(decimalLocation);
oMapCorners[2] = dmsLocation.ToString();
//left bottom
decimalLocation = new DecimalLocation
{
Latitude = (decimal)sourceMapCorners[1].latitude,
Longitude = (decimal)sourceMapCorners[0].longitude
};
dmsLocation = oGeoC.Convert(decimalLocation);
oMapCorners[3] = dmsLocation.ToString();
//hard coded data of corners position in DWG
CommonPointCls[] oDWGCorners = oHard_Coded_Data.GetDWGCorner();
//create the text one by one
using (Transaction acTrans = db.TransactionManager.StartTransaction())
{
BlockTable acBlkTable = acTrans.GetObject(db.BlockTableId, OpenMode.ForRead) as BlockTable;
BlockTableRecord modelSpace = acTrans.GetObject(acBlkTable[BlockTableRecord.ModelSpace],
OpenMode.ForWrite) as BlockTableRecord;
//place the position of each text
for (int i = 0; i < oDWGCorners.Count <CommonPointCls>(); i++)
{
DBText dt = new DBText();
dt.TextString = oMapCorners[i];
switch (i)
{
case 0:
//left top
dt.Justify = AttachmentPoint.BottomMid;
dt.Rotation = 45;
break;
case 1:
//right top
dt.Justify = AttachmentPoint.BottomMid;
dt.Rotation = -45;
break;
case 2:
//right bottom
dt.Justify = AttachmentPoint.TopMid;
dt.Rotation = 45;
break;
case 3:
//left bottom
dt.Justify = AttachmentPoint.TopMid;
dt.Rotation = -45;
break;
}
//align with the corner position
dt.AlignmentPoint = new Point3d(oDWGCorners[i].x, oDWGCorners[i].y, oDWGCorners[i].z);
dt.TransformBy(ed.CurrentUserCoordinateSystem);
dt.Color = Autodesk.AutoCAD.Colors.Color.FromRgb(0, 255, 255);
modelSpace.AppendEntity(dt);
acTrans.AddNewlyCreatedDBObject(dt, true);
}
acTrans.Commit();
}
//!!!
return;
//embed map underlay. not working with Design Automation
// from
//http://through-the-interface.typepad.com/through_the_interface/2014/06/attaching-geo-location-data-to-an-autocad-drawing-using-net.html
try
{
var gdId = db.GeoDataObject;
//if a map data is available
//will not happen with current drawing template
}
catch
{
//no GEO data
var msId = SymbolUtilityServices.GetBlockModelSpaceId(db);
var data = new GeoLocationData();
data.BlockTableRecordId = msId;
data.PostToDb();
// We're going to define our geolocation in terms of
// latitude/longitude using the Mercator projection
// http://en.wikipedia.org/wiki/Mercator_projection
data.CoordinateSystem = "WORLD-MERCATOR";
data.TypeOfCoordinates = TypeOfCoordinates.CoordinateTypeLocal;
//the two lines will cause GEOMapImage fail! strange!
//data.HorizontalUnits = UnitsValue.Millimeters;
//data.VerticalUnits = UnitsValue.Millimeters;
var geoPt = new Point3d(centerPt.longitude, centerPt.latitude, 0);
// Transform from a geographic to a modelspace point
// and add the information to our geolocation data
var wcsPt = data.TransformFromLonLatAlt(geoPt);
data.DesignPoint = new Point3d(ModelCenterX, ModelCenterY, 0);
data.ReferencePoint = wcsPt;
data.ScaleFactor = 7; //? useful?
ed.Command("_.GEOMAP", "_ROAD");
// then create the map image
//createMapImage(data);
}
}
