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Can use RasterizingLayer and open IsMapInfoLayer=true,performance degradation #2595
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You have to give me a bit more information. When I turn MapInfo in the 'RasterizingTileLayer with Points' I don't see anything special. using Mapsui.Extensions;
using Mapsui.Layers;
using Mapsui.Styles;
using Mapsui.Tiling;
using Mapsui.Tiling.Layers;
using Mapsui.Widgets;
using System;
using System.Collections.Generic;
using System.Threading.Tasks;
#pragma warning disable IDISP004 // Don't ignore created IDisposable
namespace Mapsui.Samples.Common.Maps.Performance;
public class RasterizingTileLayerWithPointsSample : ISample
{
public string Name => "RasterizingTileLayer with Points";
public string Category => "Performance";
public Task<Map> CreateMapAsync()
{
var map = new Map();
map.Layers.Add(OpenStreetMap.CreateTileLayer());
map.Layers.Add(new RasterizingTileLayer(CreateRandomPointLayer()) { IsMapInfoLayer = true});
var extent = map.Layers[1].Extent!.Grow(map.Layers[1].Extent!.Width * 0.1);
map.Home = n => n.ZoomToBox(extent);
map.Widgets.Add(new MapInfoWidget(map));
return Task.FromResult(map);
}
private static MemoryLayer CreateRandomPointLayer()
{
var rnd = new Random(3462); // Fix the random seed so the features don't move after a refresh
var features = new List<IFeature>();
for (var i = 0; i < 100; i++)
{
features.Add(new PointFeature(new MPoint(rnd.Next(0, 5000000), rnd.Next(0, 5000000))));
}
return new MemoryLayer
{
Name = "Points",
Features = features,
IsMapInfoLayer = true,
Style = new SymbolStyle
{
SymbolType = SymbolType.Triangle,
Fill = new Brush(Color.Red)
}
};
}
} |
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Mapsui Version
5.0.
Mapsui Platform
Avalonia.
Device
Windows.
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