protected List <VisibleTileInfo> GetVisibleTiles()
{
var transform = plotter.Viewport.Transform;
Rect output = plotter.Viewport.Output;
DataRect visible = plotter.Viewport.Visible;
using (new DisposableTimer("GetVisibleTiles", false))
{
var tileInfos =
(from tile in tileProvider.GetTilesForRegion(TransformRegion(visible), tileProvider.Level)
let visibleRect = Transform(tileProvider.GetTileBounds(tile))
let screenRect = visibleRect.ViewportToScreen(transform)
where output.IntersectsWith(screenRect)
select new VisibleTileInfo {
Tile = tile, ScreenBounds = screenRect, VisibleBounds = visibleRect
}).ToList();
return(tileInfos);
}
}
protected List <VisibleTileInfo> GetVisibleTiles()
{
var transform = plotter.Viewport.Transform;
Rect output = plotter.Viewport.Output;
DataRect visible = plotter.Viewport.Visible;
var tileInfos = (from tile in tileProvider.GetTilesForRegion(TransformRegion(visible), tileProvider.Level)
let visibleRect = Transform(tileProvider.GetTileBounds(tile))
let screenRect = visibleRect.ViewportToScreen(transform)
where output.IntersectsWith(screenRect)
select new VisibleTileInfo {
Tile = tile, ScreenBounds = screenRect, VisibleBounds = visibleRect
}).ToList();
if (tileInfos.Count > MapTileProvider.GetTotalTilesCount(tileProvider.Level))
{
//Debugger.Break();
}
return(tileInfos);
}