private void MouseMove(object sender, PointerEventArgs e)
{
// determine point nearest the cursor
(double mouseCoordX, double mouseCoordY) = avaPlot1.GetMouseCoordinates();
double xyRatio = avaPlot1.Plot.XAxis.Dims.PxPerUnit / avaPlot1.Plot.YAxis.Dims.PxPerUnit;
(double pointX, double pointY, int pointIndex) = MyScatterPlot.GetPointNearest(mouseCoordX, mouseCoordY, xyRatio);
// place the highlight over the point of interest
HighlightedPoint.Xs[0] = pointX;
HighlightedPoint.Ys[0] = pointY;
HighlightedPoint.IsVisible = true;
// render if the highlighted point chnaged
if (LastHighlightedIndex != pointIndex)
{
LastHighlightedIndex = pointIndex;
avaPlot1.Render();
}
// update the GUI to describe the highlighted point
(double mouseX, double mouseY) = avaPlot1.GetMouseCoordinates();
this.Find <TextBlock>("label1").Text = $"Closest point to ({mouseX:N0}, {mouseY:N0}) " +
$"is index {pointIndex} ({pointX:N2}, {pointY:N2})";
}
private void MouseMove(object sender, PointerEventArgs e)
{
(double mouseX, double mouseY) = avaPlot1.GetMouseCoordinates();
sph.HighlightClear();
var(x, y, index) = sph.HighlightPointNearest(mouseX, mouseY);
avaPlot1.Render();
this.Find <TextBlock>("label1").Text = $"Closest point to ({mouseX:N2}, {mouseY:N2}) " +
$"is index {index} ({x:N2}, {y:N2})";
}
private void OnMouseMove(object sender, PointerEventArgs e)
{
int pixelX = (int)e.GetPosition(avaPlot1).X;
int pixelY = (int)e.GetPosition(avaPlot1).Y;
(double coordinateX, double coordinateY) = avaPlot1.GetMouseCoordinates();
this.Find <TextBlock>("XPixelLabel").Text = $"{pixelX:0.000}";
this.Find <TextBlock>("YPixelLabel").Text = $"{pixelY:0.000}";
this.Find <TextBlock>("XCoordinateLabel").Text = $"{avaPlot1.plt.GetCoordinateX(pixelX):0.00000000}";
this.Find <TextBlock>("YCoordinateLabel").Text = $"{avaPlot1.plt.GetCoordinateY(pixelY):0.00000000}";
vLine.position = coordinateX;
hLine.position = coordinateY;
avaPlot1.Render();
}