private IElement CreateArrowMarker(IPoint point, double angle)
{
//IMarkerSymbol arrowSymbol = new ArrowMarkerSymbolClass();
var arrowSymbol = (IMarkerSymbol)_objectFactory.Create("esriDisplay.ArrowMarkerSymbol");
arrowSymbol.Angle = angle;
arrowSymbol.Color = Defaults.CurrentGpsPointColor.ToEsri(_objectFactory);
arrowSymbol.Size = Defaults.CurrentGpsPointSize;
//IElement marker = new MarkerElementClass();
var marker = (IElement)_objectFactory.Create("esriCarto.MarkerElement");
((IMarkerElement)marker).Symbol = arrowSymbol;
marker.Geometry = point;
_elementId++;
((IElementProperties)marker).CustomProperty = _elementId;
Graphics.AddElement(marker, 0);
return(marker);
}
private IElement AddLineGraphic(IPoint point1, IPoint point2)
{
//ISimpleLineSymbol lineSymbol = new SimpleLineSymbolClass();
var lineSymbol = (ISimpleLineSymbol)_objectFactory.Create("esriDisplay.SimpleLineSymbol");
lineSymbol.Color = Defaults.GpsTrackColor.ToEsri(_objectFactory);
lineSymbol.Width = Defaults.GpsTrackWidth;
//lineSymbol.Style = esriSimpleLineStyle.esriSLSSolid;
//IElement line = new LineElementClass();
var line = (IElement)_objectFactory.Create("esriCarto.LineElement");
((ILineElement)line).Symbol = lineSymbol;
//IPolyline lineGeometry = new PolylineClass();
var lineGeometry = (IPolyline)_objectFactory.Create("esriGeometry.Polyline");
lineGeometry.FromPoint = point1;
lineGeometry.ToPoint = point2;
line.Geometry = lineGeometry;
_elementId++;
((IElementProperties)line).CustomProperty = _elementId;
Graphics.AddElement(line, 0);
return(line);
}
private int AddCepGraphic(IPoint point, IList <double> circleRadii)
{
//IMarkerSymbol symbol = new SimpleMarkerSymbolClass();
var symbol = (IMarkerSymbol)_objectFactory.Create("esriDisplay.SimpleMarkerSymbol");
symbol.Color = Defaults.CepCenterPointColor.ToEsri(_objectFactory);
symbol.Size = Defaults.CepCenterPointSize;
//IElement centerPoint = new MarkerElementClass();
var centerPoint = (IElement)_objectFactory.Create("esriCarto.MarkerElement");
((IMarkerElement)centerPoint).Symbol = symbol;
centerPoint.Geometry = point;
//Create a graphic group and add the center point graphic
//IGroupElement group = new GroupElementClass();
var group = (IGroupElement)_objectFactory.Create("esriCarto.GroupElement");
group.AddElement(centerPoint);
if (circleRadii != null)
{
//Add the circles to the group
for (int i = 0; i < circleRadii.Count; i++)
{
//IConstructCircularArc arc = new CircularArcClass();
var arc = (IConstructCircularArc)_objectFactory.Create("esriGeometry.CircularArc");
arc.ConstructCircle(point, circleRadii[i], false);
//IGeometry polygon = new PolygonClass();
var polygon = (IGeometry)_objectFactory.Create("esriGeometry.Polygon");
((ISegmentCollection)polygon).AddSegment((ISegment)arc);
//IElement circle = new CircleElementClass();
var circle = (IElement)_objectFactory.Create("esriCarto.CircleElement");
circle.Geometry = polygon;
var circleColor = Color.Black;
if (Defaults.CepCircleOutlineColors != null)
{
var circleCount = Defaults.CepCircleOutlineColors.Length;
if (circleCount > 0)
{
circleColor = Defaults.CepCircleOutlineColors[circleCount - 1];
if (circleCount > i)
{
circleColor = Defaults.CepCircleOutlineColors[i];
}
}
}
var circleWidth = 1.0;
if (Defaults.CepCircleOutlineWidths != null)
{
var circleCount = Defaults.CepCircleOutlineWidths.Length;
if (circleCount > 0)
{
circleWidth = Defaults.CepCircleOutlineWidths[circleCount - 1];
if (circleCount > i)
{
circleWidth = Defaults.CepCircleOutlineWidths[i];
}
}
}
((IFillShapeElement)circle).Symbol = GetCepCircleSymbol(circleColor, circleWidth);
group.AddElement(circle);
}
}
//Give it the group an id number and add it to the graphics layer
_elementId++;
((IElementProperties)group).CustomProperty = _elementId;
Graphics.AddElement((IElement)group, 0);
return(_elementId);
}
