private Geometry CreatePolyline()
{
if (Point1 == null || Point2 == null)
{
return(null);
}
var nameConverter = new EnumToFriendlyNameConverter();
GeodeticCurveType curveType = DeriveCurveType(LineType);
LinearUnit lu = DeriveUnit(LineDistanceType);
try
{
// create line
var polyline = QueuedTask.Run(() =>
{
var point2Proj = GeometryEngine.Instance.Project(Point2, Point1.SpatialReference);
var segment = LineBuilder.CreateLineSegment(Point1, (MapPoint)point2Proj);
return(PolylineBuilder.CreatePolyline(segment));
}).Result;
Geometry newline = GeometryEngine.Instance.GeodeticDensifyByLength(polyline, 0, lu, curveType);
var displayValue = nameConverter.Convert(LineDistanceType, typeof(string), new object(), CultureInfo.CurrentCulture);
// Hold onto the attributes in case user saves graphics to file later
LineAttributes lineAttributes = new LineAttributes()
{
mapPoint1 = Point1,
mapPoint2 = Point2,
distance = distance,
angle = (double)azimuth,
angleunit = LineAzimuthType.ToString(),
distanceunit = displayValue.ToString(),
originx = Point1.X,
originy = Point1.Y,
destinationx = Point2.X,
destinationy = Point2.Y
};
CreateLineFeature(newline, lineAttributes);
ResetPoints();
return((Geometry)newline);
}
catch (Exception ex)
{
// do nothing
System.Diagnostics.Debug.WriteLine(ex.Message);
return(null);
}
}
/// <summary>
/// Create a geodetic line
/// </summary>
private IGeometry CreatePolyline()
{
try
{
if (Point1 == null || Point2 == null)
{
return(null);
}
var construct = new Polyline() as IConstructGeodetic;
if (construct == null)
{
return(null);
}
if (srf3 == null)
{
// if you don't use the activator, you will get exceptions
Type srType = Type.GetTypeFromProgID("esriGeometry.SpatialReferenceEnvironment");
srf3 = Activator.CreateInstance(srType) as ISpatialReferenceFactory3;
}
var linearUnit = srf3.CreateUnit((int)esriSRUnitType.esriSRUnit_Meter) as ILinearUnit;
esriGeodeticType type = GetEsriGeodeticType();
IGeometry geo = Point1;
if (LineFromType == LineFromTypes.Points)
{
construct.ConstructGeodeticLineFromPoints(GetEsriGeodeticType(), Point1, Point2, GetLinearUnit(), esriCurveDensifyMethod.esriCurveDensifyByDeviation, -1.0);
}
else
{
Double bearing = 0.0;
if (LineAzimuthType == AzimuthTypes.Mils)
{
bearing = GetAzimuthAsDegrees();
}
else
{
bearing = (double)Azimuth;
}
construct.ConstructGeodeticLineFromDistance(type, Point1, GetLinearUnit(), Distance, bearing, esriCurveDensifyMethod.esriCurveDensifyByDeviation, -1.0);
}
var mxdoc = ArcMap.Application.Document as IMxDocument;
var av = mxdoc.FocusMap as IActiveView;
if (LineFromType == LineFromTypes.Points)
{
UpdateDistance(construct as IGeometry);
UpdateAzimuth(construct as IGeometry);
}
IDictionary <String, System.Object> lineAttributes = new Dictionary <String, System.Object>();
lineAttributes.Add("distance", Distance);
lineAttributes.Add("distanceunit", LineDistanceType.ToString());
lineAttributes.Add("angle", (double)Azimuth);
lineAttributes.Add("angleunit", LineAzimuthType.ToString());
lineAttributes.Add("startx", Point1.X);
lineAttributes.Add("starty", Point1.Y);
lineAttributes.Add("endx", Point2.X);
lineAttributes.Add("endy", Point2.Y);
var color = new RgbColorClass()
{
Red = 255
} as IColor;
AddGraphicToMap(construct as IGeometry, color, attributes: lineAttributes);
if (HasPoint1 && HasPoint2)
{
//Get line distance type
DistanceTypes dtVal = (DistanceTypes)LineDistanceType;
//Get azimuth type
AzimuthTypes atVal = (AzimuthTypes)LineAzimuthType;
//Get mid point of geodetic line
var midPoint = new Point() as IPoint;
((IPolyline)((IGeometry)construct)).QueryPoint(esriSegmentExtension.esriNoExtension, 0.5, false, midPoint);
//Create text symbol using text and midPoint
AddTextToMap(midPoint != null ? midPoint : Point2,
string.Format("{0}:{1} {2}{3}{4}:{5} {6}",
"Distance",
Math.Round(Distance, 2).ToString("N2"),
dtVal.ToString(),
Environment.NewLine,
"Angle",
Math.Round(azimuth.Value, 2),
atVal.ToString()), (double)Azimuth, LineAzimuthType);
}
ResetPoints();
return(construct as IGeometry);
}
catch (Exception ex)
{
Console.WriteLine(ex);
return(null);
}
}
/// <summary>
/// Create a geodetic line
/// </summary>
private IGeometry CreatePolyline()
{
try
{
if ((Point1 == null) || (Point2 == null))
{
return(null);
}
var construct = (IConstructGeodetic) new Polyline();
if (srf3 == null)
{
// if you don't use the activator, you will get exceptions
Type srType = Type.GetTypeFromProgID("esriGeometry.SpatialReferenceEnvironment");
srf3 = Activator.CreateInstance(srType) as ISpatialReferenceFactory3;
}
if (srf3 == null)
{
return(null);
}
esriGeodeticType type = GetEsriGeodeticType();
if (LineFromType == LineFromTypes.Points)
{
construct.ConstructGeodeticLineFromPoints(GetEsriGeodeticType(), Point1, Point2, GetLinearUnit(), esriCurveDensifyMethod.esriCurveDensifyByDeviation, -1.0);
}
else
{
Double bearing = 0.0;
if (LineAzimuthType == AzimuthTypes.Mils)
{
bearing = GetAzimuthAsDegrees();
}
else
{
bearing = (double)Azimuth;
}
construct.ConstructGeodeticLineFromDistance(type, Point1, GetLinearUnit(), Distance, bearing, esriCurveDensifyMethod.esriCurveDensifyByDeviation, -1.0);
}
if (LineFromType == LineFromTypes.Points)
{
UpdateDistance(construct as IGeometry);
UpdateAzimuth(construct as IGeometry);
}
IDictionary <String, System.Object> lineAttributes = new Dictionary <String, System.Object>();
lineAttributes.Add("distance", Distance);
lineAttributes.Add("distanceunit", LineDistanceType.ToString());
lineAttributes.Add("angle", (double)Azimuth);
lineAttributes.Add("angleunit", LineAzimuthType.ToString());
lineAttributes.Add("startx", Point1.X);
lineAttributes.Add("starty", Point1.Y);
lineAttributes.Add("endx", Point2.X);
lineAttributes.Add("endy", Point2.Y);
var color = new RgbColorClass()
{
Red = 255
} as IColor;
AddGraphicToMap(construct as IGeometry, color, attributes: lineAttributes);
if (HasPoint1 && HasPoint2)
{
if (Point1.SpatialReference != ArcMap.Document.FocusMap.SpatialReference)
{
Point1.Project(ArcMap.Document.FocusMap.SpatialReference);
}
//Get line distance type
DistanceTypes dtVal = (DistanceTypes)LineDistanceType;
//Get azimuth type
AzimuthTypes atVal = (AzimuthTypes)LineAzimuthType;
//Create text symbol using text and Point1
AddTextToMap(Point1, /* Use the start point for label */
string.Format("{0}:{3}{1} {2}{3}{4}:{3}{5} {6}",
"Distance",
Math.Round(Distance, 2).ToString("N2"),
dtVal.ToString(),
Environment.NewLine,
"Angle",
Math.Round(azimuth.Value, 2),
atVal.ToString()), (double)Azimuth, LineAzimuthType, false);
}
ResetPoints();
return(construct as IGeometry);
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex);
return(null);
}
}
private Geometry CreatePolyline()
{
if (Point1 == null || Point2 == null)
{
return(null);
}
GeodeticCurveType curveType = DeriveCurveType(LineType);
LinearUnit lu = DeriveUnit(LineDistanceType);
try
{
// create line
var polyline = QueuedTask.Run(() =>
{
var point2Proj = GeometryEngine.Instance.Project(Point2, Point1.SpatialReference);
var segment = LineBuilder.CreateLineSegment(Point1, (MapPoint)point2Proj);
return(PolylineBuilder.CreatePolyline(segment));
}).Result;
Geometry newline = GeometryEngine.Instance.GeodeticDensifyByLength(polyline, 0, lu, curveType);
// Hold onto the attributes in case user saves graphics to file later
LineAttributes lineAttributes = new LineAttributes()
{
mapPoint1 = Point1, mapPoint2 = Point2, _distance = distance, angle = (double)azimuth, angleunit = LineAzimuthType.ToString(), distanceunit = LineDistanceType.ToString(), originx = Point1.X, originy = Point1.Y, destinationx = Point2.X, destinationy = Point2.Y
};
AddGraphicToMap(newline, (ProGraphicAttributes)lineAttributes);
ResetPoints();
return(newline as Geometry);
}
catch (Exception ex)
{
// do nothing
return(null);
}
}
