protected override void UpdateMap()
{
if (WKT == null || WKT.Length <= 0)
{
return;
}
var map = MapContext.Map;
var layer = new VectorItemsLayer()
{
AllowEditItems = false,
EnableHighlighting = false,
EnableSelection = false
};
if (!string.IsNullOrWhiteSpace(Name))
{
layer.Name = Name;
}
var storage = new SqlGeometryItemStorage();
int counter = 1;
foreach (var wkt in WKT)
{
storage.Items.Add(SqlGeometryItem.FromWkt(wkt, counter++));
}
layer.Data = storage;
map.Layers.Add(layer);
MapContext.CurrentLayer = layer;
}
private void Form1_Load(object sender, EventArgs e)
{
SqlGeometryItemStorage storage = new SqlGeometryItemStorage();
storage.Items.Add(SqlGeometryItem.FromWkt("POINT(-0.1275 51.507222 0 10)", 0));
storage.Items.Add(SqlGeometryItem.FromWkt("POINT(12.5 41.9 0 10)", 1));
storage.Items.Add(SqlGeometryItem.FromWkt("POINT(2.3508 48.8567 0 10)", 2));
storage.Items.Add(SqlGeometryItem.FromWkt("POINT(13.38 52.52 0 10)", 3));
storage.Items.Add(SqlGeometryItem.FromWkt("POINT(-3.68 40.4 0 10)", 4));
VectorItemsLayer layer = new VectorItemsLayer()
{
Data = storage
};
layer.DataLoaded += layer_DataLoaded;
mapControl1.Layers.Add(layer);
}
public SCMap AddLayerWkt(string[] WKT, LayerWktOptions options = null)
{
if (WKT == null || WKT.Length <= 0)
{
return(this);
}
options ??= new LayerWktOptions();
var map = Map;
var layer = new VectorItemsLayer()
{
AllowEditItems = false,
EnableHighlighting = false,
EnableSelection = false
};
if (!string.IsNullOrWhiteSpace(options.Name))
{
layer.Name = options.Name;
}
var storage = new SqlGeometryItemStorage();
int counter = 1;
foreach (var wkt in WKT)
{
storage.Items.Add(SqlGeometryItem.FromWkt(wkt, counter++));
}
layer.Data = storage;
map.Layers.Add(layer);
CurrentLayer = layer;
return(this);
}
