private void btnGetShortestLine_Click(object sender, EventArgs e)
{
InMemoryFeatureLayer inMemoryLayer = (InMemoryFeatureLayer)winformsMap1.FindFeatureLayer("InMemoryFeatureLayer");
InMemoryFeatureLayer shortestLineLayer = (InMemoryFeatureLayer)winformsMap1.FindFeatureLayer("ShortestLineLayer");
BaseShape areaShape1 = inMemoryLayer.InternalFeatures["AreaShape1"].GetShape();
BaseShape areaShape2 = inMemoryLayer.InternalFeatures["AreaShape2"].GetShape();
MultilineShape multiLineShape = areaShape1.GetShortestLineTo(areaShape2, GeographyUnit.Meter);
shortestLineLayer.InternalFeatures.Clear();
shortestLineLayer.InternalFeatures.Add("ShortestLine", new Feature(multiLineShape.GetWellKnownBinary(), "ShortestLine"));
winformsMap1.Refresh(winformsMap1.Overlays["ShortestLineOverlay"]);
}
public void ShortestLineFeature(Map map, GeoCollection <object> args)
{
if (null != map)
{
InMemoryFeatureLayer mapShapeLayer = (InMemoryFeatureLayer)((LayerOverlay)map.CustomOverlays[1]).Layers["InMemoryFeatureLayer"];
InMemoryFeatureLayer shortestLineLayer = (InMemoryFeatureLayer)((LayerOverlay)map.CustomOverlays[1]).Layers["ShortestLineLayer"];
BaseShape areaShape1 = mapShapeLayer.InternalFeatures["AreaShape1"].GetShape();
BaseShape areaShape2 = mapShapeLayer.InternalFeatures["AreaShape2"].GetShape();
MultilineShape multiLineShape = areaShape1.GetShortestLineTo(areaShape2, GeographyUnit.Meter);
shortestLineLayer.InternalFeatures.Clear();
shortestLineLayer.InternalFeatures.Add("ShortestLine", new Feature(multiLineShape));
((LayerOverlay)map.CustomOverlays[1]).Redraw();
}
}
protected override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
SetContentView(Resource.Layout.DisplayASimpleMap);
androidMap = FindViewById <MapView>(Resource.Id.androidmap);
androidMap.MapUnit = GeographyUnit.DecimalDegree;
androidMap.CurrentExtent = new RectangleShape(0, 100, 100, 0);
LayerOverlay inMemoryOverlay = new LayerOverlay();
androidMap.Overlays.Add("InMemoryOverlay", inMemoryOverlay);
LayerOverlay shortestLineOverlay = new LayerOverlay();
shortestLineOverlay.TileType = TileType.SingleTile;
androidMap.Overlays.Add("ShortestLineOverlay", shortestLineOverlay);
BaseShape areaShape1 = BaseShape.CreateShapeFromWellKnownData("POLYGON((10 20,30 60,40 10,10 20))");
BaseShape areaShape2 = new EllipseShape(new PointShape(70, 70), 10, 20);
InMemoryFeatureLayer inMemoryLayer = new InMemoryFeatureLayer();
inMemoryLayer.ZoomLevelSet.ZoomLevel01.DefaultAreaStyle.FillSolidBrush.Color = GeoColor.FromArgb(125, GeoColor.StandardColors.Gray);
inMemoryLayer.ZoomLevelSet.ZoomLevel01.DefaultAreaStyle.OutlinePen.Color = GeoColor.StandardColors.Black;
inMemoryLayer.ZoomLevelSet.ZoomLevel01.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level20;
inMemoryLayer.InternalFeatures.Add("AreaShape1", new Feature(areaShape1));
inMemoryLayer.InternalFeatures.Add("AreaShape2", new Feature(areaShape2));
inMemoryOverlay.Layers.Add("InMemoryFeatureLayer", inMemoryLayer);
InMemoryFeatureLayer shortestLineLayer = new InMemoryFeatureLayer();
shortestLineLayer.ZoomLevelSet.ZoomLevel01.DefaultLineStyle.OuterPen.Color = GeoColor.StandardColors.Red;
shortestLineLayer.ZoomLevelSet.ZoomLevel01.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level20;
shortestLineOverlay.Layers.Add("ShortestLineLayer", shortestLineLayer);
MultilineShape shortestLine = areaShape1.GetShortestLineTo(areaShape2, GeographyUnit.Meter);
shortestLineLayer.InternalFeatures.Add("ShortestLine", new Feature(shortestLine));
SampleViewHelper.InitializeInstruction(this, FindViewById <RelativeLayout>(Resource.Id.MainLayout), GetType());
}
