private void SetCoverageAreas(string observerPointsFeatureClassName, bool needToRecalcDistance)
{
_logger.DebugEx("> SetCoverageAreas START");
var observerPointsFeatureClass = GdbAccess.Instance.GetFeatureClass(_gdb, observerPointsFeatureClassName);
var observationPoints = GetObservationPoints(observerPointsFeatureClassName);
if (observationPoints == null || observationPoints.Count() == 0)
{
_logger.ErrorEx($"> SetCoverageAreas END. Observation points are not found");
return;
}
var observObjPolygons = new Dictionary <int, IPolygon>();
foreach (var pointModel in observationPoints)
{
var point = observerPointsFeatureClass.GetFeature(pointModel.Objectid);
IPoint pointGeom = point.Shape as IPoint;
pointGeom.Project(VisibilityManager.CurrentMap.SpatialReference);
var realMaxDistance = needToRecalcDistance ? EsriTools.GetMaxDistance(pointModel.OuterRadius.Value, pointModel.AngelMaxH.Value, pointModel.RelativeHeight.Value) : pointModel.OuterRadius.Value;
var realMinDistance = needToRecalcDistance ? EsriTools.GetMinDistance(pointModel.InnerRadius.Value, pointModel.AngelMinH.Value, pointModel.RelativeHeight.Value) : pointModel.InnerRadius.Value;
IPolygon visibilityPolygon = null;
if (realMaxDistance < realMinDistance)
{
_logger.WarnEx("> SetCoverageAreas END. Observation point doesn`t has a coverage area");
}
else
{
visibilityPolygon = EsriTools.GetCoverageArea(
pointGeom,
pointModel.AzimuthStart.Value,
pointModel.AzimuthEnd.Value,
realMinDistance,
realMaxDistance);
}
_coverageAreaData.Add(new CoverageAreaData
{
ObjId = -1,
PointId = pointModel.Objectid,
Polygon = visibilityPolygon
});
}
var totalArea = EsriTools.GetTotalPolygon(_coverageAreaData.Select(area => { return(area.Polygon); }).ToList());
_coverageAreaData.Add(new CoverageAreaData
{
ObjId = -1,
PointId = -1,
Polygon = totalArea
});
_logger.DebugEx("> SetCoverageAreas END");
}