private void Client_GetAllSitesCompleted(object sender, GetAllSitesCompletedEventArgs e)
{
if (e.Error != null)
{
CurrentAction = UserAction.Idle;
GeneralInfo.Content = "Failed to search sites";
return;
}
if (e.Result != null)
{
foreach (GraphicsLayer layer in _GraphicsLayers.Values)
{
layer.Graphics.Clear();
}
foreach (var s in e.Result)
{
Graphic graphic = new Graphic();
double[] lonlat = SpatialReferenceSystem.ToWebMercator(s.Longitude, s.Latitude);
graphic.Geometry = new MapPoint(lonlat[0], lonlat[1]);
graphic.Symbol = _MarkerSymbols[s.SiteType];;
graphic.Attributes.Add("Name", s.Name);
graphic.Attributes.Add("Site", s);
_GraphicsLayers[s.SiteType].Graphics.Add(graphic);
}
CurrentAction = UserAction.Idle;
GeneralInfo.Content = e.Result.Count + " sites found";
}
else
{
CurrentAction = UserAction.Idle;
GeneralInfo.Content = "No sites found";
}
}
public void Creat(GraphicsLayer layer, RegularGrid grid)
{
_GraphicsLayer = layer;
var cellsize = grid.CellSize * 0.5;
var polygon = new Polygon();
for (int i = 0; i < grid.NCell; i++)
{
var symbol = GetDefaultSymbol(polygon, System.Windows.Media.Colors.White);
ESRI.ArcGIS.Client.Geometry.PointCollection pc = new ESRI.ArcGIS.Client.Geometry.PointCollection();
var buf = SpatialReferenceSystem.ToWebMercator(grid.CentroidX[i] - cellsize, grid.CentroidY[i] + cellsize);
MapPoint p1 = new MapPoint(buf[0], buf[1]);
buf = SpatialReferenceSystem.ToWebMercator(grid.CentroidX[i] + cellsize, grid.CentroidY[i] + cellsize);
MapPoint p2 = new MapPoint(buf[0], buf[1]);
buf = SpatialReferenceSystem.ToWebMercator(grid.CentroidX[i] + cellsize, grid.CentroidY[i] - cellsize);
MapPoint p3 = new MapPoint(buf[0], buf[1]);
buf = SpatialReferenceSystem.ToWebMercator(grid.CentroidX[i] - cellsize, grid.CentroidY[i] - cellsize);
MapPoint p4 = new MapPoint(buf[0], buf[1]);
buf = SpatialReferenceSystem.ToWebMercator(grid.CentroidX[i] - cellsize, grid.CentroidY[i] + cellsize);
MapPoint p5 = new MapPoint(buf[0], buf[1]);
pc.Add(p1);
pc.Add(p2);
pc.Add(p3);
pc.Add(p4);
pc.Add(p5);
Graphic graphic = new Graphic();
Polygon ep = new Polygon();
ep.Rings.Add(pc);
graphic.Geometry = ep;
graphic.Symbol = symbol;
graphic.Attributes.Add("ID", i);
layer.Graphics.Add(graphic);
}
}