private void ActiveToolComboBox_SelectedIndexChanged(object sender, EventArgs e)
{
nChartControl1.Controller.Selection.SelectedObjects.Clear();
nChartControl1.Controller.Tools.Clear();
switch (ActiveToolComboBox.SelectedIndex)
{
case 0:
nChartControl1.Controller.Selection.SelectedObjects.Add(nChartControl1.Charts[0]);
nChartControl1.Controller.Tools.Add(new NTrackballTool());
break;
case 1:
NVolumeSelectorTool volumeSelectionTool = new NVolumeSelectorTool();
volumeSelectionTool.EndDrag += VolumeSelectionTool_EndDrag;
nChartControl1.Controller.Tools.Add(volumeSelectionTool);
break;
}
}
private void VolumeSelectionTool_EndDrag(object sender, EventArgs e)
{
NPointSeries point = (NPointSeries)nChartControl1.Charts[0].Series[0];
NVolumeSelectorTool volumeTool = (NVolumeSelectorTool)sender;
for (int i = 0; i < point.Values.Count; i++)
{
NVector3DD vec = new NVector3DD((float)(double)point.XValues[i], (float)(double)point.Values[i], (float)(double)point.ZValues[i]);
if (volumeTool.TopPlane.Distance(ref vec) < 0 &&
volumeTool.RightPlane.Distance(ref vec) < 0 &&
volumeTool.BottomPlane.Distance(ref vec) < 0 &&
volumeTool.LeftPlane.Distance(ref vec) < 0)
{
// point is contained in the set
point.FillStyles[i] = new NColorFillStyle(Color.Red);
}
}
nChartControl1.Refresh();
}
