/// <summary>
/// 建立图层
/// </summary>
/// <returns></returns>
public Layer Build()
{
List <LineString> lines = new List <LineString>();
var peroid = SatPeriodInfoManager.TimePeriod;
var spanSec = peroid.Span;
var spanIn180Deg = spanSec / 180.0;
var startTime = peroid.Start;
var endTime = peroid.End;
double lat = -60;
double lon = 0;
int i = 0;
foreach (var sat in SatPeriodInfoManager.Data)
{
foreach (var p in sat.Value)
{
var pts = new List <AnyInfo.Geometries.Point>();
var from = (p.Start - startTime) / spanIn180Deg;
var to = (p.End - startTime) / spanIn180Deg;
var ptFrom = new AnyInfo.Geometries.Point(from, lat, i + "_from", sat.Key + "");
var ptTo = new AnyInfo.Geometries.Point(to, lat, i + "_to", sat.Key + "");
pts.Add(ptFrom);
pts.Add(ptTo);
var line = new LineString(pts, sat.Key + "_" + p.ToTimeString());
lines.Add(line);
}
lat = lat + 1;//纬度每次递增
i++;
}
// Layer layer = LayerFactory.CreateLineLayer(lines);
//foreach (var path in dicData)
// CreatePtFeature(layer, path.Value, path.Key);
//Create SimpleFeatureType
SimpleFeatureType featureType = SimpleFeatureTypeFactory.GetDefaultLineStringFeatureType();
//Create Geometry
Dictionary <string, SimpleFeature> featureDic = new Dictionary <string, SimpleFeature>();
IEnvelope envelope = null;
Color color = Color.AliceBlue;
int j = 0;
foreach (LineString lineString in lines)
{
var style = new LineStyle();
style.Width = 5;
style.Color = GetColor(j++, lines.Count);
// AnyInfo.Geometries.Point point = new AnyInfo.Geometries.Point(lonLat.Lon, lonLat.Lat);
SimpleFeature feature = LayerFactory.CreateLineStringFeature(featureType, lineString, style);
featureDic.Add(feature.Id, feature);
if (envelope == null)
{
envelope = lineString.Box;
}
else
{
envelope = envelope.Expands(lineString.Box);
}
}
//Create Feature Collection
FeatureCollection <SimpleFeatureType, SimpleFeature> featureCollection =
new FeatureCollection <SimpleFeatureType, SimpleFeature>(featureType, featureDic);
Layer layer = new Layer("时段绘图", featureCollection, envelope);
return(layer);
//layer.FeatureSource.BuildIndexing();
//layer.UseLayerStyle = false;
//return (layer);
}