/// <summary>
/// .NET の GC に任せる。
/// こんなコード、通常は構造体を使ってやるけども、そこをあえてクラスにするとどのくらいの負担か見てみる。
///
/// <see cref="Struct(int)"/>の7倍くらいの遅さ。
/// スタック(構造体利用)とヒープ(クラス利用)で1桁も差が付かないのは相当速い部類。
/// 一般に、Mark and Sweep でGC管理されてるヒープは確保のコスト低い。
/// </summary>
public static (int x, int y) GarbageCollection(int loops)
{
var p = new ClassPoint(1, 2);
for (int i = 0; i < loops; i++)
{
p = new ClassPoint(p.Y, p.X + p.Y);
}
return(p.X, p.Y);
}
public void AssignmentReferenceypeInstance()
{
ClassPoint p1 = new ClassPoint();
p1.X = 7;
ClassPoint p2 = p1;
Console.WriteLine(p1.X);
Console.WriteLine(p2.X);
p1.X = 9;
Assert.AreEqual(9 + 9, p2.X + p1.X);
}
public void ElementReferenceTypeExplicitlyInstantiate()
{
//arrange
ClassPoint[] a = new ClassPoint[1000];
//act
for (int i = 0; i < a.Length; i++)
{
a[i] = new ClassPoint();
}
int x = a[500].X;
//assert
Assert.AreEqual(0, x);
}
public void ElementReferenceType()
{
//arrange
ClassPoint[] a = new ClassPoint[1000];
//act & assert
try
{
int x = a[500].X;
Assert.Fail("no exception thrown");
}
catch (Exception ex)
{
Assert.IsTrue(ex.Message == "Object reference not set to an instance of an object.");
}
}
public static double GetMahalanobisDistance(Point pointOne, ClassPoint pointTwo)
{
return 1;
}
public static double GetMahalanobisDistance(Point pointOne, ClassPoint pointTwo) // te cale jast napisane na 2 wymiarowe i KNearestNeighboursNColumsService trzeba sie bawic bo tam dla roznych
{
return(1);
}
public static double GetInfinityDistance(Point pointOne, ClassPoint pointTwo) // chebyshev distance // odległość czebyszewa
{
return(Math.Max(Math.Abs(pointOne.X - pointTwo.columnX), Math.Abs(pointOne.Y - pointTwo.columnY)));
}
public static double GetManhattanDistance(Point pointOne, ClassPoint pointTwo)
{
return((Math.Abs(pointOne.X - pointTwo.columnX)) + (Math.Abs(pointOne.Y - pointTwo.columnY)));
}
public static double GetEuclideanDistance(Point pointOne, ClassPoint pointTwo)
{
return(Math.Sqrt((Math.Pow(pointOne.X - pointTwo.columnX, 2) + (Math.Pow(pointOne.Y - pointTwo.columnY, 2)))));
}
private void InitDockLayout()
{
_mapForm = new ControlMapForm();
_mapForm.Text = "GIS地图";
_mapForm.Show(dockPanel1, DockState.Document);
_mapForm.CloseButton = false;
_mapForm.UiInitAndInvoke();
_mapForm.Activate();
MouseMoveOperator mouseMoveOperate;
MouseDownOperator mouseDownOperate;
sfHandle = new ShapeFileHandle(_mapForm.Map);
#region 加载gis地图
string[] str = { @"D:\光纤传感监测系统\Monitor\Monitor\data\底图.shp", @"D:\光纤传感监测系统\Monitor\Monitor\data\省界WGS 84.shp", @"D:\光纤传感监测系统\Monitor\Monitor\data\海缆WGS 84.tif" };
mapLayer = new MapLayer();
MainLayerHandle = mapLayer.AddLayer(_mapForm.Map, str, "底图");
_mapForm.MainLayerHandle = MainLayerHandle;
_mapForm.SetMainLayerHandle();
#endregion
// _mapForm.Map.ZoomToMaxExtents();
_mapForm.Map.ZoomToLayer(MainLayerHandle);
#region 在地图上划线
ClassLine line = new ClassLine();
ClassLine line_1 = new ClassLine();
GisPoint gisPoint = new GisPoint();
LineSet lineSet = new LineSet(tkMapColor.Yellow, 6.0f, tkDashStyle.dsSolid);
LineSet lineSet_1 = new LineSet(tkMapColor.Red, 5.0f, tkDashStyle.dsCustom);
gisPoint.connectToDB("Data Source=" + new DirectoryInfo("../../../../").FullName + "Monitor\\Monitor\\data\\data.db");
gisPoint.readData();
gisPoint.InitLineData(line);
line_1.startX = gisPoint.m_PointList[15].X;
line_1.startY = gisPoint.m_PointList[15].Y;
line_1.endX = gisPoint.m_PointList[20].X;
line_1.endY = gisPoint.m_PointList[20].Y;
drawLine = new classDrawLine(_mapForm.Map);
drawLine.WriteLine(line, lineSet);
drawLine.WriteLine(line_1, lineSet_1);
#endregion
#region 在gis地图中添加ais数据
//1、获取数据库中数据
SqliteData sqlite = new SqliteData("Data Source=" + new DirectoryInfo("../../../../").FullName +
"Monitor\\Monitor\\data\\data.db");
DataTable gisData = sqlite.readData("Point");
//2、实例化AISData类
ais = new AISData(_mapForm.Map, gisData);
drawPoint_Ais = new classDrawPoint(MapForm.Map);
//3、在地图上加载ais数据
pointSet = new PointSet("AisReal", tkDefaultPointSymbol.dpsTriangleUp, tkMapColor.Red, 16);
drawPoint_Ais.CreatPoint(ais.point, pointSet);
drawPoint_Ais.EditAttribute();
sfHandle.AddMouseMoveShapeFile("Ais", drawPoint_Ais.LayerHandle);
#endregion
#region
drawPoint = new classDrawPoint(_mapForm.Map);
var pnt = new ClassPoint();
pnt.x = 121.907567728461;
pnt.y = 30.8729913928844;
pnt.str = "图片详情";
string path = new DirectoryInfo("../../../../").FullName + "Monitor\\Monitor\\data\\ship3.png";
drawPoint.AddPicture(pnt, path);
drawPoint.EditAttribute();
sfHandle.AddMouseDownShapeFile("pic", drawPoint.LayerHandle);
#endregion
_mapForm.Sf_MouseMove = sfHandle.Sf_MouseMove;
_mapForm.Sf_MouseDown = sfHandle.Sf_MouseDown;
mouseMoveOperate = new MouseMoveOperator(Operation.AddLabel);
mouseDownOperate = new MouseDownOperator(Operation.AddLabel);
//传入委托
MapForm.MouseMoveOperate = mouseMoveOperate;
MapForm.mouseDownOperate = mouseDownOperate;
//var point = new ClassPoint();
//point.x = 121.907567728461;
//point.y = 30.8739913928844;
//addText = new classAddText(_mapForm.Map, MainLayerHandle);
//addText.AddText(point.x, point.y);
}
