/// <summary>
/// 添加编辑点
/// </summary>
private void InitMarker()
{
var pointDot = circleArcMap.GetCenterDot();
IPoint centerPoint = new PointClass()
{
X = pointDot.Lng, Y = pointDot.Lat
};
bool markerBeing = false;
int i = 1;
for (float ang = 0; ang <= 270; ang += 90)
{
var point = GetPointByDistanceAndAngle(circleArcMap.GetRadius(), centerPoint, ang);
editPoint = new Model.EditMarker(mapControl, layer);
markerList.Add(editPoint);
if (!markerBeing)
{
editPoint.MarkerMouseDownEvent += new Model.EditMarker.MarkerMouseDownDelegate(editPoint_MarkerMouseDownEvent);
editPoint.MarkerMouseMoveEvent += new Model.EditMarker.MarkerMouseMoveDelegate(editPoint_MarkerMouseMoveEvent);
}
editPoint.InitMarker(i.ToString(), point);
(layer as CompositeGraphicsLayerClass).AddElement(editPoint, 0);
markerBeing = true;
i++;
}
editPoint = new Model.EditMarker(mapControl, layer);
centerMarker = new Model.EditMarker(mapControl, layer);
editPoint.InitMarker("s", centerPoint);
centerMarker = editPoint;
(layer as CompositeGraphicsLayerClass).AddElement(editPoint, 0);
mapControl.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, circleElement, null);
}
/// <summary>
/// 获取270度点的位置
/// </summary>
/// <returns></returns>
private PointLatLng Get270RandomPoint()
{
MapLngLat centerMapPoint = circleElement.GetCenterDot();
double seg = Math.PI * 270 / 180;
double a = centerMapPoint.Lng + circleElement.GetRadius() * Math.Cos(seg) / 100000;
double b = centerMapPoint.Lat + circleElement.GetRadius() * Math.Sin(seg) / 100000;
PointLatLng randomLatLng = new PointLatLng(b, a);
return(randomLatLng);
}
