/// <summary>
/// Create a geodetic ellipse
/// </summary>
private IGeometry DrawEllipse()
{
try
{
var ellipticArc = new Polyline() as IConstructGeodetic;
double bearing;
if (AzimuthType == AzimuthTypes.Mils)
{
bearing = GetAzimuthAsDegrees();
}
else
{
bearing = Azimuth;
}
ellipticArc.ConstructGeodesicEllipse(Point1, GetLinearUnit(), MajorAxisDistance, MinorAxisDistance, bearing, esriCurveDensifyMethod.esriCurveDensifyByAngle, 0.01);
var line = ellipticArc as IPolyline;
if (line != null)
{
AddGraphicToMap(line as IGeometry);
//Convert ellipse polyline to polygon
var newPoly = PolylineToPolygon((IPolyline)ellipticArc);
if (newPoly != null)
{
//Get centroid of polygon
var area = newPoly as IArea;
//Add text using centroid point
DistanceTypes dtVal = (DistanceTypes)LineDistanceType; //Get line distance type
AzimuthTypes atVal = (AzimuthTypes)AzimuthType; //Get azimuth type
if (area != null)
{
AddTextToMap(area.Centroid, string.Format("{0}:{1} {2}{3}{4}:{5} {6}{7}{8}:{9} {10}",
"Major Axis",
Math.Round(majorAxisDistance, 2),
dtVal.ToString(),
Environment.NewLine,
"Minor Axis",
Math.Round(minorAxisDistance, 2),
dtVal.ToString(),
Environment.NewLine,
"Orientation Angle",
Math.Round(azimuth, 2),
atVal.ToString()));
}
}
}
return(line as IGeometry);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
return(null);
}
}
private void UpdateAzimuthFromTo(AzimuthTypes fromType, AzimuthTypes toType)
{
try
{
double angle = Azimuth.GetValueOrDefault();
if (fromType == AzimuthTypes.Degrees && toType == AzimuthTypes.Mils)
{
angle *= 17.777777778;
}
else if (fromType == AzimuthTypes.Mils && toType == AzimuthTypes.Degrees)
{
angle *= 0.05625;
}
Azimuth = angle;
}
catch (Exception ex)
{
Console.WriteLine(ex);
}
}
private void UpdateAzimuthFromTo(AzimuthTypes fromType, AzimuthTypes toType)
{
try
{
double angle = Azimuth;
if (fromType == AzimuthTypes.Degrees && toType == AzimuthTypes.Mils)
{
angle *= 17.777777778;
}
else if (fromType == AzimuthTypes.Mils && toType == AzimuthTypes.Degrees)
{
angle *= 0.05625;
}
Azimuth = angle;
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex);
}
}
private void UpdateAzimuthFromTo(AzimuthTypes fromType, AzimuthTypes toType)
{
try
{
double angle = Azimuth.GetValueOrDefault();
if (fromType == AzimuthTypes.Degrees && toType == AzimuthTypes.Mils)
{
angle *= ValueConverterConstant.DegreeToMils;
}
else if (fromType == AzimuthTypes.Degrees && toType == AzimuthTypes.Gradians)
{
angle *= ValueConverterConstant.DegreeToGradian;
}
else if (fromType == AzimuthTypes.Mils && toType == AzimuthTypes.Degrees)
{
angle *= ValueConverterConstant.MilsToDegree;
}
else if (fromType == AzimuthTypes.Mils && toType == AzimuthTypes.Gradians)
{
angle *= ValueConverterConstant.MilsToGradian;
}
else if (fromType == AzimuthTypes.Gradians && toType == AzimuthTypes.Degrees)
{
angle *= ValueConverterConstant.GradianToDegree;
}
else if (fromType == AzimuthTypes.Gradians && toType == AzimuthTypes.Mils)
{
angle *= ValueConverterConstant.GradianToMils;
}
Azimuth = angle;
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex);
}
}
/// <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);
}
}
private void UpdateAzimuthFromTo(AzimuthTypes fromType, AzimuthTypes toType)
{
try
{
double angle = Azimuth.GetValueOrDefault();
if (fromType == AzimuthTypes.Degrees && toType == AzimuthTypes.Mils)
angle *= 17.777777778;
else if (fromType == AzimuthTypes.Mils && toType == AzimuthTypes.Degrees)
angle *= 0.05625;
Azimuth = angle;
}
catch (Exception ex)
{
Console.WriteLine(ex);
}
}
/// <summary>
/// Create a geodetic ellipse
/// </summary>
private IGeometry DrawEllipse()
{
try
{
var ellipticArc = new Polyline() as IConstructGeodetic;
double bearing;
if (AzimuthType == AzimuthTypes.Mils)
{
bearing = GetAzimuthAsDegrees();
}
else
{
bearing = Azimuth;
}
ellipticArc.ConstructGeodesicEllipse(Point1, GetLinearUnit(), MajorAxisDistance, MinorAxisDistance, bearing, esriCurveDensifyMethod.esriCurveDensifyByAngle, 0.01);
var line = ellipticArc as IPolyline;
if (line != null)
{
var color = new RgbColorClass()
{
Red = 255
} as IColor;
IDictionary <String, System.Object> ellipseAttributes = new Dictionary <String, System.Object>();
ellipseAttributes.Add("majoraxis", MajorAxisDistance);
ellipseAttributes.Add("minoraxis", MinorAxisDistance);
ellipseAttributes.Add("azimuth", Azimuth);
ellipseAttributes.Add("centerx", Point1.X);
ellipseAttributes.Add("centery", Point1.Y);
ellipseAttributes.Add("distanceunit", LineDistanceType.ToString());
ellipseAttributes.Add("angleunit", AzimuthType.ToString());
AddGraphicToMap(line as IGeometry, color, attributes: ellipseAttributes);
//Convert ellipse polyline to polygon
var newPoly = PolylineToPolygon((IPolyline)ellipticArc);
if (newPoly != null)
{
//Get centroid of polygon
var area = newPoly as IArea;
//Add text using centroid point
DistanceTypes dtVal = (DistanceTypes)LineDistanceType; //Get line distance type
AzimuthTypes atVal = (AzimuthTypes)AzimuthType; //Get azimuth type
EllipseTypes ellipseType = EllipseType;
double majDist = majorAxisDistance;
double minDist = minorAxisDistance;
if (ellipseType == EllipseTypes.Full)
{
majDist = majorAxisDistance * 2;
minDist = minorAxisDistance * 2;
}
if (area != null)
{
AddTextToMap(area.Centroid, string.Format("{0}:{1} {2}{3}{4}:{5} {6}{7}{8}:{9} {10}",
"Major Axis",
Math.Round(majDist, 2),
dtVal.ToString(),
Environment.NewLine,
"Minor Axis",
Math.Round(minDist, 2),
dtVal.ToString(),
Environment.NewLine,
"Orientation Angle",
Math.Round(azimuth, 2),
atVal.ToString()));
}
}
}
return(line as IGeometry);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
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);
}
}
/// <summary>
/// Create a geodetic ellipse
/// </summary>
private IGeometry DrawEllipse()
{
try
{
var ellipticArc = (IConstructGeodetic) new Polyline();
double bearing;
bearing = GetAzimuthAsDegrees();
ellipticArc.ConstructGeodesicEllipse(Point1, GetLinearUnit(), MajorAxisDistance, MinorAxisDistance, bearing, esriCurveDensifyMethod.esriCurveDensifyByAngle, 0.01);
var line = ellipticArc as IPolyline;
if (line != null)
{
var color = (IColor) new RgbColorClass()
{
Red = 255
};
var displayValue = new EnumToFriendlyNameConverter();
var unitLabel = Convert.ToString(displayValue.Convert(LineDistanceType, typeof(string), new object(), CultureInfo.CurrentCulture));
IDictionary <String, System.Object> ellipseAttributes = new Dictionary <String, System.Object>();
ellipseAttributes.Add("majoraxis", MajorAxisDistance);
ellipseAttributes.Add("minoraxis", MinorAxisDistance);
ellipseAttributes.Add("azimuth", Azimuth);
ellipseAttributes.Add("centerx", Point1.X);
ellipseAttributes.Add("centery", Point1.Y);
ellipseAttributes.Add("distanceunit", unitLabel.ToString());
ellipseAttributes.Add("angleunit", AzimuthType.ToString());
AddGraphicToMap((IGeometry)line, color, attributes: ellipseAttributes);
//Convert ellipse polyline to polygon
var newPoly = PolylineToPolygon((IPolyline)ellipticArc);
if (newPoly != null)
{
//Get centroid of polygon
var area = newPoly as IArea;
//Add text using centroid point
DistanceTypes dtVal = (DistanceTypes)LineDistanceType; //Get line distance type
AzimuthTypes atVal = (AzimuthTypes)AzimuthType; //Get azimuth type
EllipseTypes ellipseType = EllipseType;
double majAxisDist = majorAxisDistance * 2;
double minAxisDist = minorAxisDistance * 2;
if (area != null)
{
AddTextToMap(area.LabelPoint, string.Format("{0}:{1} {2}{3}{4}:{5} {6}{7}{8}:{9} {10}",
StringParser.GetStringValue(LabelTypes.MajorAxis),
Math.Round(majAxisDist, 2),
StringParser.GetStringValue(dtVal),
Environment.NewLine,
StringParser.GetStringValue(LabelTypes.MinorAxis),
Math.Round(minAxisDist, 2),
StringParser.GetStringValue(dtVal),
Environment.NewLine,
StringParser.GetStringValue(LabelTypes.Angle),
Math.Round(azimuth, 0),
StringParser.GetStringValue(atVal)));
}
}
}
return((IGeometry)line);
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex.Message);
return(null);
}
}
