public async virtual void AddShapefile()
{
this.IsBusy = true;
var fileName = this.RequestOpenFile("shapefile|*.shp");
if (!File.Exists(fileName))
{
this.IsBusy = false;
return;
}
FileInfo info = new FileInfo(fileName);
//if (info.Length / 10000.0 > 1000) //5k
//{
// ShowMessage("حجم فایل انتخابی بیش از حد مجاز است");
// return;
//}
try
{
var dataSource = await Task.Run <IFeatureDataSource>(async() =>
{
var shp = (await IRI.Ket.ShapefileFormat.Shapefile.ProjectAsync(fileName, new IRI.Ham.CoordinateSystem.MapProjection.WebMercator()))
.Select(i => i.AsSqlGeometry(3857))
.Where(i => !i.IsNotValidOrEmpty())
.ToList();
MemoryDataSource <object> source = new MemoryDataSource <object>(shp);
return(source);
});
var vectorLayer = new VectorLayer(Path.GetFileNameWithoutExtension(fileName), dataSource,
new VisualParameters(null, BrushHelper.PickBrush(), 3, 1),
LayerType.VectorLayer,
RenderingApproach.Default,
IRI.Jab.Cartography.Model.RasterizationApproach.GdiPlus, ScaleInterval.All);
this.SetLayer(vectorLayer);
this.Refresh();
}
catch (Exception ex)
{
ShowMessage(ex.Message);
}
finally
{
this.IsBusy = false;
}
}
public static VisualParameters CreateNew(double opacity = 1, double strokeThickness = 1, bool withoutFill = false)
{
Brush fill = null;
if (!withoutFill)
{
fill = BrushHelper.PickGoodBrush();
}
return(new VisualParameters(fill, BrushHelper.PickBrush(), strokeThickness, opacity));
}
private VisualParameters(double opacity)
: this(BrushHelper.PickBrush(), BrushHelper.PickBrush(), 1, opacity)
{
}
public VectorLayer(string name, List <SqlGeometry> features, LayerType type, RenderingApproach rendering, RasterizationApproach toRasterTechnique)
: this(name, features, new VisualParameters(BrushHelper.PickBrush(), BrushHelper.PickBrush(), 1, 1, Visibility.Visible), type, rendering, toRasterTechnique)
{
}