//-----------------------------------------------------------------------------------------------
//Перемещение точек в первый квадрант
public static Point2D[] DisplacePointsToFirstQuadrant(Point2D[] points)
{
double[] minimalCoordinates = PlaneManager.GetMinimalCoordinates(points);
double displacementX = minimalCoordinates[0];
double displacementY = minimalCoordinates[1];
Point2D[] newPoints = PlaneManager.DisplacePoints(points, -displacementX, -displacementY);
return(newPoints);
}
//-----------------------------------------------------------------------------------------------
//Минимальные координаты точек
public static double[] GetMinimalCoordinates(Point2D[] points)
{
double[] coordinatesX = PlaneManager.GetCoordinatesX(points);
double[] coordinatesY = PlaneManager.GetCoordinatesY(points);
double minX = coordinatesX.Min();
double minY = coordinatesY.Min();
double[] minimalCoordinates = new double[] { minX, minY };
return(minimalCoordinates);
}
//-----------------------------------------------------------------------------------------------
//Расстояния между точками массива и заданной точкой
public static double[] GetDistances(Point2D[] points, Point2D targetPoint)
{
double[] distances = new double[points.Length];
for (int index = 0; index < points.Length; index++)
{
Point2D point = points[index];
double distance = PlaneManager.DistanceBetweenTwoPoints(point, targetPoint);
distances[index] = distance;
}
return(distances);
}
//-----------------------------------------------------------------------------------------------
//-----------------------------------------------------------------------------------------------
//Выбрать ближайшую к данной точке точку из массива
public static Point2D GetNearestPoint(Point2D point, Point2D[] points)
{
if (points.Length == 1)
{
return(points[0]);
}
Point2D nearestPoint = points[0];
double minDistance = PlaneManager.DistanceBetweenTwoPoints(point, nearestPoint);
for (int index = 1; index < points.Length; index++)
{
Point2D currentPoint = points[index];
double distance = PlaneManager.DistanceBetweenTwoPoints(point, currentPoint);
if (distance < minDistance)
{
minDistance = distance;
nearestPoint = currentPoint;
}
}
return(nearestPoint);
}
//-------------------------------------------------------------------------------------------------------
//-------------------------------------------------------------------------------------------------------
private static void GraphInfoCollectionChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
SwordfishXYLineChartControl chartControl = d as SwordfishXYLineChartControl;
IList <GraphInfo> graphInfoCollection = (IList <GraphInfo>)e.NewValue;
if (graphInfoCollection == null)
{
return;
}
chartControl.xyLineChart.Reset();
for (int index = 0; index < graphInfoCollection.Count; index++)
{
GraphInfo graphInfo = graphInfoCollection[index];
double[] xValues = PlaneManager.GetCoordinatesX(graphInfo.GraphPoints);
double[] yValues = PlaneManager.GetCoordinatesY(graphInfo.GraphPoints);
chartControl.DrawChart
(xValues, yValues, graphInfo.GraphColor, graphInfo.GraphName, graphInfo.LineVisibility, graphInfo.PointsVisibility, false);
}
}