/// <summary>
/// Moves the port on the link and optionally reconnects to a new
/// port.
/// </summary>
/// <param name="cmdTarget">Unused</param>
/// <returns>true if successful, otherwise false</returns>
/// <remarks>
/// First, any existing connections on the
/// <see cref="Syncfusion.Windows.Forms.Diagram.MoveLinkCmd.LinkPort"/>
/// are removed. Next, if the
/// <see cref="Syncfusion.Windows.Forms.Diagram.MoveLinkCmd.Points"/>
/// property is not null it is used to update link's vertices. And
/// finally, the
/// <see cref="Syncfusion.Windows.Forms.Diagram.MoveLinkCmd.LinkPort"/>
/// is connected to the
/// <see cref="Syncfusion.Windows.Forms.Diagram.MoveLinkCmd.TargetPort"/>.
/// </remarks>
public override bool Do(object cmdTarget)
{
bool success = false;
if (this.link != null && this.linkPort != null)
{
this.link.DisconnectAll(this.linkPort);
if (this.points != null)
{
IServiceProvider linkSvcProvider = this.link as IServiceProvider;
if (linkSvcProvider != null)
{
IPoints ptsObj = linkSvcProvider.GetService(typeof(IPoints)) as IPoints;
if (ptsObj != null)
{
ptsObj.SetPoints(this.points);
}
}
}
if (this.targetPort != null)
{
this.link.Connect(this.linkPort, this.targetPort);
}
}
return(success);
}
public void Draw(
GridRange range,
IPoints points) {
DrawingContext drawingContext = RenderOpen();
DoubleCollection xCollection = new DoubleCollection();
DoubleCollection yCollection = new DoubleCollection();
try {
// vertical line
double renderHeight = points.yPosition[range.Rows.Start + range.Rows.Count] - points.yPosition[range.Rows.Start];
Rect verticalLineRect = new Rect(new Size(GridLineThickness, renderHeight));
foreach (int i in range.Columns.GetEnumerable()) {
verticalLineRect.X = points.xPosition[i + 1] - GridLineThickness;
drawingContext.DrawRectangle(GridLineBrush, null, verticalLineRect);
xCollection.Add(verticalLineRect.X);
}
// horizontal line
double renderWidth = points.xPosition[range.Columns.Start + range.Columns.Count] - points.xPosition[range.Columns.Start];
Rect horizontalLineRect = new Rect(new Size(renderWidth, GridLineThickness));
foreach (int i in range.Rows.GetEnumerable()) {
horizontalLineRect.Y = points.yPosition[i + 1] - GridLineThickness;
drawingContext.DrawRectangle(GridLineBrush, null, horizontalLineRect);
yCollection.Add(horizontalLineRect.Y);
}
XSnappingGuidelines = xCollection;
YSnappingGuidelines = yCollection;
} finally {
drawingContext.Close();
}
}
private void PollingTimerEllapsed(object sender, ElapsedEventArgs e)
{
try
{
if (_isPollingCancelled)
{
_pointsToPoll = null;
}
else
{
_pointsToPoll.Read();
ReadCount++;
}
}
catch (Exception ex)
{
AddLogEntry(ex.Message);
ErrorCount++;
}
finally
{
if (!_isPollingCancelled && _pointsToPoll != null)
{
_pollingTimer.Start();
}
}
}
private void draw_btn_Click(object sender, EventArgs e)
{
figure = null;
switch (figure_tabControl.SelectedIndex)
{
case 0:
figure = new Detail((float)X_nud.Value, (float)Y_nud.Value, (float)A_nud.Value, (float)B_nud.Value, (float)C_nud.Value, (float)D_nud.Value, (float)E_nud.Value, (float)R1_nud.Value, (float)R2_nud.Value, (float)R3_nud.Value);
break;
case 1:
figure = new Curve((float)Acurve_nud.Value);
//Form form = new Form();
//RichTextBox rtb1 = new RichTextBox();
//foreach (MyPoint p in figure.GetPoints())
// rtb1.Text += $"\n X: {p.Point.X}; Y: {p.Point.Y}";
//rtb1.Parent = form;
//rtb1.Width = 300;
////rtb1.Height = form.Height = figure.GetPoints().Count * 10;
//form.ShowDialog();
break;
}
if (figure != null)
{
draw.SetFigure(figure);
}
showField.Image = draw.ShowDrawing();
angleShow = 0;
xShift = 0;
yShift = 0;
angle_label.Text = $"Angle: {angleShow}";
xShift_label.Text = $"X Shift: {xShift}";
yShift_label.Text = $"Y Shift: {yShift}";
}
/// <summary>
/// Calculates the point at which the given label should be positioned.
/// </summary>
/// <remarks>
/// This method is called by the label itself in order to find out where
/// it should be positioned.
/// <seealso cref="Syncfusion.Windows.Forms.Diagram.Label"/>
/// <seealso cref="Syncfusion.Windows.Forms.Diagram.ILabelContainer"/>
/// </remarks>
public override PointF CalcLabelPosition(Label label)
{
PointF ptLabel = new PointF(0, 0);
bool pctAlongFound = false;
int pctAlongLine = (int)label.GetPropertyValue("LabelPercentAlongLine");
IPoints pts = this.Points;
int vertexIdx1;
int vertexIdx2;
PointF[] ptAlongLine = new PointF[1];
if (pts != null)
{
pctAlongFound = Geometry.CalcPercentageAlong(pts, pctAlongLine, out ptAlongLine[0], out vertexIdx1, out vertexIdx2);
if (pctAlongFound)
{
Matrix worldXform = this.WorldTransform;
worldXform.TransformPoints(ptAlongLine);
ptLabel = ptAlongLine[0];
}
}
if (!pctAlongFound)
{
// Unable to calculate label position based on percentage
// along the line. Use the center point of the bounding box
}
return(ptLabel);
}
public static void Normalize(this IPoints list)
{
foreach (var p in list.Data)
{
p.Normalize();
}
}
public void Clear()
{
figure = null;
grid = null;
showFigure = false;
showGrid = false;
}
public Algorithm(
IPoints points, IRectangle rect, StrategyType type = StrategyType.Grid, ILog2 log = null)
{
_log = log ?? new NoLog();
Rectangle = rect;
Points = points.Data;
Singles = new List <IP>();
Knn = new NearestNeighbor();
GridContainer = new GridContainer(Rectangle, Points);
switch (type)
{
case StrategyType.Naive:
Strategy = new NaiveStrategy(_log);
break;
case StrategyType.Grid:
Strategy = new GridStrategy(_log);
break;
case StrategyType.KdTree:
Strategy = new KdTreeStrategy(Points);
break;
default:
throw new NotImplementedException("Unknown strategy");
}
//_log.Info(MethodBase.GetCurrentMethod(), "object init");
}
/// <summary>
///
/// </summary>
/// <param name="pts"></param>
/// <returns></returns>
public static double CalcLineLength(IPoints pts)
{
if (pts == null)
{
throw new EInvalidParameter();
}
double length = 0.0f;
int vertexIdx1 = 0;
int vertexIdx2 = 1;
PointF vertex1;
PointF vertex2;
int numPts = pts.PointCount;
while (vertexIdx2 < numPts)
{
vertex1 = pts.GetPoint(vertexIdx1);
vertex2 = pts.GetPoint(vertexIdx2);
length += Geometry.PointDistance(vertex1, vertex2);
vertexIdx1++;
vertexIdx2++;
}
return(length);
}
public void Draw(
GridRange range,
IPoints points)
{
DrawingContext drawingContext = RenderOpen();
DoubleCollection xCollection = new DoubleCollection();
DoubleCollection yCollection = new DoubleCollection();
try {
// vertical line
double renderHeight = points.yPosition[range.Rows.Start + range.Rows.Count] - points.yPosition[range.Rows.Start];
Rect verticalLineRect = new Rect(new Size(GridLineThickness, renderHeight));
foreach (int i in range.Columns.GetEnumerable())
{
verticalLineRect.X = points.xPosition[i + 1] - GridLineThickness;
drawingContext.DrawRectangle(GridLineBrush, null, verticalLineRect);
xCollection.Add(verticalLineRect.X);
}
// horizontal line
double renderWidth = points.xPosition[range.Columns.Start + range.Columns.Count] - points.xPosition[range.Columns.Start];
Rect horizontalLineRect = new Rect(new Size(renderWidth, GridLineThickness));
foreach (int i in range.Rows.GetEnumerable())
{
horizontalLineRect.Y = points.yPosition[i + 1] - GridLineThickness;
drawingContext.DrawRectangle(GridLineBrush, null, horizontalLineRect);
yCollection.Add(horizontalLineRect.Y);
}
XSnappingGuidelines = xCollection;
YSnappingGuidelines = yCollection;
} finally {
drawingContext.Close();
}
}
public Algorithm(
IPoints points, IRectangle rect, StrategyType type = StrategyType.Grid, ILog2 log = null)
{
_log = log ?? new NoLog();
Rectangle = rect;
Points = points.Data;
Singles = new List<IP>();
Knn = new NearestNeighbor();
GridContainer = new GridContainer(Rectangle, Points);
switch (type)
{
case StrategyType.Naive:
Strategy = new NaiveStrategy(_log);
break;
case StrategyType.Grid:
Strategy = new GridStrategy(_log);
break;
case StrategyType.KdTree:
Strategy = new KdTreeStrategy(Points);
break;
default:
throw new NotImplementedException("Unknown strategy");
}
//_log.Info(MethodBase.GetCurrentMethod(), "object init");
}
static public List <MyPoint> Projective(IPoints figure, MyPoint startPoint, MyPoint X_AxleEnd, MyPoint Y_AxleEnd)
{
List <MyPoint> myPoints = figure.GetPoints();
float X0 = startPoint.Point.X;
float Y0 = startPoint.Point.Y;
float W0 = startPoint.Weight;
float Xx = X_AxleEnd.Point.X;
float Yx = X_AxleEnd.Point.Y;
float Wx = X_AxleEnd.Weight;
float Xy = Y_AxleEnd.Point.X;
float Yy = Y_AxleEnd.Point.Y;
float Wy = Y_AxleEnd.Weight;
foreach (MyPoint p in myPoints)
{
float X = p.Point.X;
float Y = p.Point.Y;
float W = p.Weight;
float newX = (X0 * W0 + Xx * Wx * X + Xy * Wy * Y) / (W0 + Wx * X + Wy * Y);
float newY = (Y0 * W0 + Yx * Wx * X + Yy * Wy * Y) / (W0 + Wx * X + Wy * Y);
p.SetPoint(new PointF(newX, newY));
}
return(myPoints);
}
// O(n), could be O(logn-ish) using range search or similar, no problem when points are <500.000
public static IPoints FilterDataset(IPoints dataset, Boundary viewport)
{
//return new Points { Data = dataset.Data.Where(i => MathTool.IsInsideWiden(viewport, i)).ToList() };
return(new Points {
Data = dataset.Data.Where(i => MathTool.IsInside(viewport, i)).ToList()
});
}
protected ClusterAlgorithmBase(IPoints dataset)
{
if (dataset == null)
{
throw new ApplicationException(string.Format("dataset is null"));
}
Dataset = dataset;
}
public void GetPoints(IPoints creature)
{
_score += creature.Value;
_elScore += creature.Value;
Console.WriteLine($"You have saved a {creature.Name}");
//Thread.Sleep(1000);
Console.WriteLine($"+{creature.Value} points");
}
protected ClusterAlgorithmBase(IPoints dataset)
{
if (dataset == null)
{
throw new ApplicationException(string.Format("dataset is null"));
}
Dataset = dataset;
}
/// <summary>
///
/// </summary>
/// <param name="pt"></param>
private void MoveVertex(System.Drawing.Point pt)
{
if (this.Controller == null || this.View == null)
{
return;
}
if (this.editMode != EditMode.Moving || this.trackingNode == null)
{
return;
}
if (this.View.Grid.SnapToGrid)
{
pt = this.View.SnapPointToGrid(pt);
}
IPoints objPoints = this.trackingNode as IPoints;
if (objPoints != null)
{
this.View.Refresh(this.trackingRect);
ITransform objXform = this.trackingNode as ITransform;
PointF[] ptWorld = new PointF[1]
{
this.View.ViewToWorld(this.View.DeviceToView(pt))
};
if (objXform != null)
{
Matrix worldTransform = objXform.WorldTransform;
worldTransform.Invert();
worldTransform.TransformPoints(ptWorld);
}
objPoints.SetPoint(this.vertexIdx, ptWorld[0]);
int prevStack = Global.SelectMatrixStack(Global.TemporaryStack);
Global.MatrixStack.Clear();
ITransform nodeTrans = this.trackingNode as ITransform;
if (nodeTrans != null)
{
Global.MatrixStack.Push(nodeTrans.ParentTransform);
}
IGraphics nodeGrfx = this.trackingNode as IGraphics;
if (nodeGrfx != null)
{
this.trackingPath = nodeGrfx.GraphicsPath;
}
Global.SelectMatrixStack(prevStack);
this.trackingRect = this.View.DrawTrackingPath(this.trackingPath);
}
}
protected Level(int slowActionGame, int snakeLevelLength, int applesTarget, int negativePointsPerMissedApple)
{
this.SlowActionGame = slowActionGame;
this.InitialSnakeLevelLength = snakeLevelLength;
this.ApplesTarget = applesTarget;
this.NegativePointsPerMissedApple = negativePointsPerMissedApple;
this.levelPoints = new Points(snakeLevelLength);
this.obstacles = new List <IObstacle>();
}
public Draw(Bitmap _sizeBmp, IPoints _F, Grid _G, bool _showGrid)
{
figure = _F;
grid = _G;
showGrid = _showGrid;
showFigure = true;
gridBmp = DrawGrid(grid);
figureBmp = DrawFigure(figure);
}
// Circular mean, very relevant for points around New Zealand, where lon -180 to 180 overlap
// Adapted Centroid Calculation of N Points for Google Maps usage
public static IP GetCentroidFromClusterLatLon(IPoints list) //O(n)
{
int count;
if (list == null || (count = list.Count) == 0)
{
return(null);
}
if (count == 1)
{
return(list.Data.First());
}
// http://en.wikipedia.org/wiki/Circular_mean
// http://stackoverflow.com/questions/491738/how-do-you-calculate-the-average-of-a-set-of-angles
/*
* 1/N* sum_i_from_1_to_N sin(a[i])
* a = atan2 ---------------------------
* 1/N* sum_i_from_1_to_N cos(a[i])
*/
double lonSin = 0;
double lonCos = 0;
double latSin = 0;
double latCos = 0;
foreach (var p in list.Data)
{
lonSin += Math.Sin(p.X.LatLonToRadian());
lonCos += Math.Cos(p.X.LatLonToRadian());
latSin += Math.Sin(p.Y.LatLonToRadian());
latCos += Math.Cos(p.Y.LatLonToRadian());
}
lonSin /= count;
lonCos /= count;
double radx = 0;
double rady = 0;
if (Math.Abs(lonSin - 0) > Numbers.Epsilon && Math.Abs(lonCos - 0) > Numbers.Epsilon)
{
radx = Math.Atan2(lonSin, lonCos);
rady = Math.Atan2(latSin, latCos);
}
var x = radx.RadianToLatLon();
var y = rady.RadianToLatLon();
var centroid = new P {
X = x, Y = y, C = count
};
return(centroid);
}
public IPoints RunClusterAlgo(ClusterInfo clusterInfo)
{
// Skip points outside the grid
IPoints filtered = clusterInfo.IsFilterData ? FilterDataset(Dataset, Grid) : Dataset;
// Put points in buckets
foreach (var p in filtered.Data)
{
var idxy = GetPointMappedIds(p, Grid, DeltaX, DeltaY);
var idx = idxy[0];
var idy = idxy[1];
// Bucket id
var id = GetId(idx, idy);
// Bucket exists, add point
if (BucketsLookup.ContainsKey(id))
{
BucketsLookup[id].Points.Add(p);
}
// New bucket, create and add point
else
{
var bucket = new Bucket(idx, idy, id);
bucket.Points.Add(p);
BucketsLookup.Add(id, bucket);
}
}
// Calculate centroid for all buckets
SetCentroidForAllBuckets(BucketsLookup.Values);
// Merge if gridpoint is to close
if (AlgoConfig.DoMergeGridIfCentroidsAreCloseToEachOther)
{
MergeClustersGrid();
}
if (AlgoConfig.DoUpdateAllCentroidsToNearestContainingPoint)
{
UpdateAllCentroidsToNearestContainingPoint();
}
// Check again
// Merge if gridpoint is to close
if (AlgoConfig.DoMergeGridIfCentroidsAreCloseToEachOther &&
AlgoConfig.DoUpdateAllCentroidsToNearestContainingPoint)
{
MergeClustersGrid();
// And again set centroid to closest point in bucket
UpdateAllCentroidsToNearestContainingPoint();
}
return(GetClusterResult(Grid));
}
/// <summary>
///
/// </summary>
/// <param name="pts"></param>
/// <param name="percent"></param>
/// <param name="ptReturn"></param>
/// <param name="vertexIdx1"></param>
/// <param name="vertexIdx2"></param>
/// <returns></returns>
public static bool CalcPercentageAlong(IPoints pts, int percent, out System.Drawing.PointF ptReturn, out int vertexIdx1, out int vertexIdx2)
{
bool found = false;
if (pts == null)
{
throw new EInvalidParameter();
}
if (percent < 0 || percent > 100)
{
throw new EInvalidParameter();
}
int numPts = pts.PointCount;
double totalLength = Geometry.CalcLineLength(pts);
double lengthAlong = totalLength * (percent / 100.0f);
double lengthSoFar = 0.0f;
PointF vertex1;
PointF vertex2;
double curSegmentLength;
double curSegmentPct;
vertexIdx1 = 0;
vertexIdx2 = 1;
ptReturn = new PointF(0, 0);
while (vertexIdx2 < numPts && !found)
{
vertex1 = pts.GetPoint(vertexIdx1);
vertex2 = pts.GetPoint(vertexIdx2);
curSegmentLength = Geometry.PointDistance(vertex1, vertex2);
if (curSegmentLength > 0.0f && (lengthSoFar + curSegmentLength) >= lengthAlong)
{
// calculate percentage along this segment
curSegmentPct = (lengthAlong - lengthSoFar) * 100.0f / curSegmentLength;
// find the point on the segment
double ptX = vertex1.X + (curSegmentPct * (vertex2.X - vertex1.X) / 100.0f);
double ptY = vertex1.Y + (curSegmentPct * (vertex2.Y - vertex1.Y) / 100.0f);
ptReturn = new PointF((float)ptX, (float)ptY);
// Exit loop and return
found = true;
}
else
{
vertexIdx1++;
vertexIdx2++;
}
}
return(found);
}
public GridCluster(IPoints dataset, JsonGetMarkersReceive jsonReceive)
: base(dataset)
{
// Important, set _delta and _grid values in constructor as first step
var deltas = GetDelta(jsonReceive);
DeltaX = deltas[0];
DeltaY = deltas[1];
Grid = GetBoundaryExtended(jsonReceive);
Lines = new List<Line>();
if (AlgoConfig.DoShowGridLinesInGoogleMap) MakeLines(jsonReceive);
}
/***************************************************/
/**** Private methods ****/
/***************************************************/
private bool CreateCollection(IEnumerable <ContourLoadSet> loads)
{
foreach (ContourLoadSet load in loads)
{
try
{
//Ensure points describe a closed polyline
List <Point> loadPoints = load.Contour.ControlPoints();
if (loadPoints.First() != loadPoints.Last())
{
loadPoints.Add(loadPoints.Last().DeepClone());
}
//Find the layout to apply to
IStories ramStories = m_Model.GetStories();
IStory loadStory = loadPoints.First().GetStory(ramStories);
double storyElev = loadStory.dElevation;
IFloorType floorType = loadStory.GetFloorType();
ISurfaceLoadSets floorLoads = floorType.GetSurfaceLoadSets2();
int nextId = floorLoads.GetCount();
ISurfaceLoadSet ramLoad = floorLoads.Add(nextId, loadPoints.Count());
IPoints verticePoints = ramLoad.GetPoints();
List <SCoordinate> checkList = new List <SCoordinate>();
SCoordinate verticeCoord;
for (int i = 0; i < loadPoints.Count(); i++)
{
verticeCoord = loadPoints[i].ToRAM();
verticePoints.Delete(i);
verticePoints.InsertAt2(i, verticeCoord.dXLoc, verticeCoord.dYLoc, 0);
checkList.Add(verticeCoord);
}
ramLoad.SetPoints(verticePoints);
ramLoad.lPropertySetUID = (int)GetAdapterId(load.UniformLoadSet);
}
catch
{
CreateElementError("UniformLoadSet", load.Name);
}
}
//Save file
m_IDBIO.SaveDatabase();
return(true);
}
public static void SaveDataSetToFile(IPoints dataset, string filename = null)
{
if (filename == null)
{
SaveDataSetToFile(dataset, DatasetSerializeName);
}
var objectToSerialize = new DatasetToSerialize {
Dataset = dataset
};
new Serializer().SerializeObject(FolderPath + filename, objectToSerialize);
}
static public List <MyPoint> Move(IPoints figure, int x_move, int y_move)
{
List <MyPoint> myPoints = figure.GetPoints();
foreach (MyPoint p in myPoints)
{
PointF newPoint = p.GetPoint();
newPoint.X += x_move;
newPoint.Y += y_move;
p.SetPoint(newPoint);
}
return(myPoints);
}
/// <summary>
///
/// </summary>
/// <param name="e"></param>
void IMouseEventReceiver.MouseDown(System.Windows.Forms.MouseEventArgs e)
{
System.Drawing.Point ptScreen = new System.Drawing.Point(e.X, e.Y);
if (e.Button == MouseButtons.Left)
{
if (this.Active)
{
this.drawing = true;
this.tracking = false;
if (this.trackingPts != null)
{
this.Controller.View.DrawTrackingLines(this.trackingPts);
}
this.trackingPts = null;
}
else
{
// Test to see if user clicked a port on a link
if (this.HitTestLinkPorts(ptScreen))
{
IServiceProvider linkSvcProvider = this.selectedLink as IServiceProvider;
if (linkSvcProvider != null)
{
IPoints linkPts = linkSvcProvider.GetService(typeof(IPoints)) as IPoints;
if (linkPts != null)
{
this.points.Clear();
System.Drawing.Point[] existingPts = this.View.GetDevicePoints(linkPts);
if (existingPts != null)
{
for (int ptIdx = 0; ptIdx < existingPts.Length - 1; ptIdx++)
{
this.points.Add(existingPts[ptIdx]);
}
}
this.movingLinkPort = true;
this.Controller.ActivateTool(this);
this.tracking = true;
this.InitTrackingPoints();
if (this.trackingPts != null)
{
this.Controller.View.DrawTrackingLines(this.trackingPts);
}
}
}
}
}
}
}
/// <summary>
/// Constructs a link given a link shape object.
/// </summary>
/// <param name="linkPoints">Link shape object to attach</param>
/// <remarks>
/// <para>
/// Instead of calling the
/// <see cref="Syncfusion.Windows.Forms.Diagram.Link.CreateLinkShape"/>
/// method to create the link shape, this constructor takes the link shape
/// object as a parameter and attaches it to the link. A link shape is
/// any object that supports the IPoints interface.
/// </para>
/// <seealso cref="Syncfusion.Windows.Forms.Diagram.IPoints"/>
/// </remarks>
public Link(IPoints linkPoints)
{
if (linkPoints != null)
{
INode childNode = linkPoints as INode;
if (childNode != null)
{
this.AppendChild(childNode);
}
}
this.Ports.Add(CreateTailPort());
this.Ports.Add(CreateHeadPort());
}
internal void ArrangeVisuals(IPoints points)
{
foreach (int c in _dataViewport.Columns.GetEnumerable())
{
foreach (int r in _dataViewport.Rows.GetEnumerable())
{
var visual = _visualGrid[r, c];
Debug.Assert(r == visual.Row && c == visual.Column);
Debug.Assert(points.Width[c] >= visual.Size.Width && points.Height[r] >= visual.Size.Height);
double cellX = points.xPosition[c];
double cellY = points.yPosition[r];
double cellW = points.Width[c];
double cellH = points.Height[r];
visual.CellBounds = new Rect(cellX, cellY, cellW, cellH);
bool alignRight = visual.TextAlignment == TextAlignment.Right;
double x = cellX + (alignRight ? (cellW - visual.Size.Width - visual.Margin - GridLineThickness) : visual.Margin);
double y = cellY + visual.Margin;
var transform = visual.Transform as TranslateTransform;
if (transform == null)
{
visual.Transform = new TranslateTransform(x, y);
}
else
{
transform.X = x;
transform.Y = y;
}
visual.X = x;
visual.Y = y;
visual.Draw();
}
}
// special handling for Row/Column header's size: this will layout system (measure/arrange) to know the size of component properly.
if (ScrollDirection == ScrollDirection.Horizontal)
{
Height = points.Height[0];
}
else if (ScrollDirection == ScrollDirection.Vertical)
{
Width = points.Width[0];
}
_gridLine?.Draw(_dataViewport, points);
}
/// <summary>
/// Moves the vertex of the node by the specified amount.
/// </summary>
/// <param name="cmdTarget">Unused</param>
/// <returns>true if successful, otherwise false</returns>
/// <remarks>
/// The node must support the IPoints interface. The IPoints.SetPoint
/// method is used to move the point by the specified offset.
/// </remarks>
public override bool Do(object cmdTarget)
{
bool success = false;
if (this.Node != null)
{
IPoints objPoints = this.Node as IPoints;
if (objPoints != null)
{
ITransform objTransform = this.Node as ITransform;
Matrix worldXform = null;
Matrix invWorldXform = null;
if (objTransform != null)
{
worldXform = objTransform.WorldTransform;
invWorldXform = worldXform.Clone();
invWorldXform.Invert();
}
if (this.vertexIdx >= 0 && this.vertexIdx < objPoints.PointCount)
{
PointF[] pt = new PointF[1]
{
objPoints.GetPoint(this.vertexIdx)
};
if (worldXform != null)
{
worldXform.TransformPoints(pt);
}
pt[0].X += this.dx;
pt[0].Y += this.dy;
if (invWorldXform != null)
{
invWorldXform.TransformPoints(pt);
}
objPoints.SetPoint(this.vertexIdx, pt[0]);
success = true;
}
}
}
return(success);
}
public void Load()
{
InitRenderer();
_resourceManager.Configure(_renderer);
_curve = new Curve("curve", 2);
_curve.Material = _resourceManager.GetMaterial("lineMaterial");
_curve.Configure(_renderer);
_points = new Points("points", 5);
_points.Material = _resourceManager.GetMaterial("pointMaterial");
_points.Configure(_renderer);
}
static public List <MyPoint> Turn(IPoints figure, float angle, PointF axle)
{
List <MyPoint> myPoints = figure.GetPoints();
angle *= (float)Math.PI / 180;
foreach (MyPoint p in myPoints)
{
PointF oldPoint = p.GetPoint();
PointF newPoint = new PointF();
newPoint.X = (float)(axle.X + (oldPoint.X - axle.X) * Math.Cos(angle) - (oldPoint.Y - axle.Y) * Math.Sin(angle));
newPoint.Y = (float)(axle.Y + (oldPoint.X - axle.X) * Math.Sin(angle) + (oldPoint.Y - axle.Y) * Math.Cos(angle));
p.SetPoint(newPoint);
}
return(myPoints);
}
public GridCluster(IPoints dataset, JsonGetMarkersReceive jsonReceive)
: base(dataset)
{
// Important, set _delta and _grid values in constructor as first step
var deltas = GetDelta(jsonReceive);
DeltaX = deltas[0];
DeltaY = deltas[1];
Grid = GetBoundaryExtended(jsonReceive);
Lines = new List <Line>();
if (AlgoConfig.DoShowGridLinesInGoogleMap)
{
MakeLines(jsonReceive);
}
}
static public List <MyPoint> Affine(IPoints figure, PointF x_Vector, PointF y_Vector, PointF startPoint)
{
List <MyPoint> myPoints = figure.GetPoints();
foreach (MyPoint p in myPoints)
{
PointF oldPoint = p.GetPoint();
PointF newPoint = new PointF();
newPoint.X = startPoint.X + x_Vector.X * oldPoint.X + y_Vector.X * oldPoint.Y;
newPoint.Y = startPoint.Y + x_Vector.Y * oldPoint.X + y_Vector.Y * oldPoint.Y;
p.SetPoint(newPoint);
}
return(myPoints);
}
//O(n)
// Circular mean, very relevant for points around New Zealand, where lon -180 to 180 overlap
// Adapted Centroid Calculation of N Points for Google Maps usage
public static IP GetCentroidFromClusterLatLon(IPoints list)
{
int count;
if (list == null || (count = list.Count) == 0) return null;
if (count == 1)
{
return list.Data.First();
}
// http://en.wikipedia.org/wiki/Circular_mean
// http://stackoverflow.com/questions/491738/how-do-you-calculate-the-average-of-a-set-of-angles
/*
1/N* sum_i_from_1_to_N sin(a[i])
a = atan2 ---------------------------
1/N* sum_i_from_1_to_N cos(a[i])
*/
double lonSin = 0;
double lonCos = 0;
double latSin = 0;
double latCos = 0;
foreach (var p in list.Data)
{
lonSin += Math.Sin(p.X.LatLonToRadian());
lonCos += Math.Cos(p.X.LatLonToRadian());
latSin += Math.Sin(p.Y.LatLonToRadian());
latCos += Math.Cos(p.Y.LatLonToRadian());
}
lonSin /= count;
lonCos /= count;
double radx = 0;
double rady = 0;
if (Math.Abs(lonSin - 0) > Numbers.Epsilon && Math.Abs(lonCos - 0) > Numbers.Epsilon)
{
radx = Math.Atan2(lonSin, lonCos);
rady = Math.Atan2(latSin, latCos);
}
var x = radx.RadianToLatLon();
var y = rady.RadianToLatLon();
var centroid = new P{X=x, Y=y, C = count };
return centroid;
}
// O(n)
public IP GetClosestPoint(IP from, IPoints list)
{
var min = double.MaxValue;
IP closests = null;
foreach (var p in list.Data)
{
var d = MathTool.Distance(from, p);
if (d >= min)
{
continue;
}
// update
min = d;
closests = p;
}
return closests;
}
public void SetRange(IPoints points)
{
this.Data.Clear();
this.Data.AddRange(points.Data);
}
internal void MeasurePoints(IPoints points, GridRange newViewport, IGrid<string> data, bool refresh) {
var orgGrid = _visualGrid;
_visualGrid = new Grid<TextVisual>(
newViewport,
(r, c) => {
if (!refresh && _dataViewport.Contains(r, c)) {
return orgGrid[r, c];
}
var visual = new TextVisual();
visual.Row = r;
visual.Column = c;
visual.Text = data[r, c];
visual.Typeface = Typeface;
visual.FontSize = FontSize; // FontSize here is in device independent pixel, and Visual's FormattedText API uses the same unit
visual.Foreground = Foreground;
return visual;
});
_visualChildren.Clear();
foreach (int c in newViewport.Columns.GetEnumerable()) {
foreach (int r in newViewport.Rows.GetEnumerable()) {
var visual = _visualGrid[r, c];
visual.Draw();
points.Width[c] = visual.Size.Width + (visual.Margin * 2) + GridLineThickness;
points.Height[r] = visual.Size.Height + (visual.Margin * 2) + GridLineThickness;
_visualChildren.Add(_visualGrid[r, c]);
}
}
_dataViewport = newViewport;
}
public DatasetToSerialize()
{
Dataset = new Points();
}
// O(n), could be O(logn-ish) using range search or similar, no problem when points are <500.000
public static IPoints FilterDataset(IPoints dataset, Boundary viewport)
{
//return new Points { Data = dataset.Data.Where(i => MathTool.IsInsideWiden(viewport, i)).ToList() };
return new Points {Data = dataset.Data.Where(i => MathTool.IsInside(viewport, i)).ToList()};
}
public static void SaveDataSetToFile(IPoints dataset, string filename = null)
{
if(filename==null) SaveDataSetToFile(dataset, DatasetSerializeName);
var objectToSerialize = new DatasetToSerialize { Dataset = dataset };
new Serializer().SerializeObject(FolderPath + filename, objectToSerialize);
}
internal void MeasurePoints(IPoints points, GridRange newViewport, IGrid<string> data, GridUpdateType updateType) {
CreateGrid(newViewport, data, updateType);
_visualChildren.Clear();
foreach (int c in newViewport.Columns.GetEnumerable()) {
foreach (int r in newViewport.Rows.GetEnumerable()) {
var visual = _visualGrid[r, c];
visual.Draw();
points.Width[c] = visual.Size.Width + (visual.Margin * 2) + GridLineThickness;
points.Height[r] = visual.Size.Height + (visual.Margin * 2) + GridLineThickness;
_visualChildren.Add(_visualGrid[r, c]);
}
}
_dataViewport = newViewport;
}
internal void ArrangeVisuals(IPoints points) {
foreach (int c in _dataViewport.Columns.GetEnumerable()) {
foreach (int r in _dataViewport.Rows.GetEnumerable()) {
var visual = _visualGrid[r, c];
Debug.Assert(r == visual.Row && c == visual.Column);
Debug.Assert(points.Width[c] >= visual.Size.Width && points.Height[r] >= visual.Size.Height);
double cellX = points.xPosition[c];
double cellY = points.yPosition[r];
double cellW = points.Width[c];
double cellH = points.Height[r];
visual.CellBounds = new Rect(cellX, cellY, cellW, cellH);
bool alignRight = visual.TextAlignment == TextAlignment.Right;
double x = cellX + (alignRight ? (cellW - visual.Size.Width - visual.Margin - GridLineThickness) : visual.Margin);
double y = cellY + visual.Margin;
var transform = visual.Transform as TranslateTransform;
if (transform == null) {
visual.Transform = new TranslateTransform(x, y);
} else {
transform.X = x;
transform.Y = y;
}
visual.X = x;
visual.Y = y;
visual.Draw();
}
}
// special handling for Row/Column header's size: this will layout system (measure/arrange) to know the size of component properly.
if (ScrollDirection == ScrollDirection.Horizontal) {
Height = points.Height[0];
} else if (ScrollDirection == ScrollDirection.Vertical) {
Width = points.Width[0];
}
_gridLine?.Draw(_dataViewport, points);
}
public DatasetToSerialize(SerializationInfo info, StreamingContext ctxt)
{
this.Dataset = (IPoints)info.GetValue(Name, typeof(IPoints));
}
