internal static bool UpdateZΔ(TopoPoint3 tp3, TopoPoint3 precedingTp3)
{
if (!tp3.XYZ.NeedsUpdatingZ &&
!precedingTp3.XYZ.NeedsUpdatingZ
)
{
return(false);
}
tp3.ZΔ = tp3.Z - precedingTp3.Z;
return(true);
}
internal static bool UpdateYΔ(TopoPoint3 tp3, TopoPoint3 precedingTp3)
{
if (!tp3.XYZ.NeedsUpdatingY &&
!precedingTp3.XYZ.NeedsUpdatingY
)
{
return(false);
}
tp3.YΔ = tp3.Y - precedingTp3.Y;
return(true);
}
internal static bool UpdateXΔ(TopoPoint3 tp3, TopoPoint3 precedingTp3)
{
if (!tp3.XYZ.NeedsUpdatingX &&
!precedingTp3.XYZ.NeedsUpdatingX
)
{
return(false);
}
tp3.XΔ = tp3.X - precedingTp3.X;
return(true);
}
private void ClickInfo(object sender, RoutedEventArgs e, string fromWho)
{
ListBox lb = MainWindow.Lb3;
TopoPoint3 tp = (TopoPoint3)MainWindow.Lb3.Items[lb.SelectedIndex];
Debug.WriteLine("\n@ MainResource3| @button pressed|"
+ " from| " + fromWho
+ " selected idx| " + lb.SelectedIndex
+ " xyz| " + tp.ToString()
+ "\n"
);
}
private void ListBox3_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
ListBox lb3 = sender as ListBox;
if (lb3.SelectedIndex < 0)
{
return;
}
TopoPoint3 tpt = (TopoPoint3)lb3.Items[lb3.SelectedIndex];
Debug.WriteLine("@ MainResource3| @selectionChanged|"
+ " selected count| " + e.AddedItems.Count
+ " selected idx| " + lb3.SelectedIndex
);
((TopoPoint3)lb3.Items[PriorRowBeingEdited]).IsBeingEdited = false;
tpt.IsBeingEdited = true;
PriorRowBeingEdited = lb3.SelectedIndex;
}
internal static void CalcXYΔ(TopoPoint3 tp3)
{
if (double.IsNaN(tp3.XΔ) || double.IsNaN(tp3.YΔ))
{
tp3.XYΔ = double.NaN;
return;
}
if (tp3.XΔ.Equals(0))
{
tp3.XYΔ = tp3.YΔ;
}
else if (tp3.YΔ.Equals(0))
{
tp3.XYΔ = tp3.XΔ;
}
else
{
tp3.XYΔ = Math.Sqrt(tp3.XΔ * tp3.XΔ + tp3.YΔ * tp3.YΔ);
}
}
internal static void CalcSlope(TopoPoint3 tp3)
{
if (double.IsNaN(tp3.ZΔ) ||
double.IsNaN(tp3.XYΔ) ||
tp3.XYΔ.Equals(0)
)
{
tp3.XYZΔ = tp3.XYΔ;
tp3.Slope = double.NaN;
return;
}
if (tp3.ZΔ.Equals(0))
{
tp3.XYZΔ = tp3.XYΔ;
tp3.Slope = 0;
return;
}
tp3.XYZΔ = Math.Sqrt(tp3.XYΔ * tp3.XYΔ + tp3.ZΔ * tp3.ZΔ);
tp3.Slope = tp3.ZΔ / tp3.XYΔ;
}
private void reindexUpdateItem(int idx, TopoPoint3 precedingtpt3)
{
Tpts3.Append = "\nafter| @TopoPts3Mgr| got updateItemAfterReindex"
+ " (" + idx + ")\n";
if (Tpts3[idx].XYZ.NeedsUpdatingX)
{
Tpts3.Append = "after| @TopoPts3Mgr| (" + idx + ")"
+ " X | needs updating\n";
}
if (Tpts3[idx].XYZ.NeedsUpdatingY)
{
Tpts3.Append = "after| @TopoPts3Mgr| (" + idx + ")"
+ " Y | needs updating\n";
}
if (Tpts3[idx].XYZ.NeedsUpdatingZ)
{
Tpts3.Append = "after| @TopoPts3Mgr| (" + idx + ")"
+ " Z | needs updating\n";
}
TopoPoint3 tp3 = Tpts3[idx];
if (double.IsNaN(tp3.X) || double.IsNaN(precedingtpt3.X) ||
double.IsNaN(tp3.Y) || double.IsNaN(precedingtpt3.Y) ||
double.IsNaN(tp3.Z) || double.IsNaN(precedingtpt3.Z))
{
tp3.Clear();
return;
}
// update the index
if (tp3.Index != idx)
{
tp3.Index = idx;
}
// update XΔ
bool resultX = Update.UpdateXΔ(tp3, Tpts3[idx - 1]);
// updateYΔ
bool resultY = Update.UpdateYΔ(tp3, Tpts3[idx - 1]);
// updateZΔ
Update.UpdateZΔ(tp3, Tpts3[idx - 1]);
// XYZ3 updated, XΔ, YΔ, ZΔ updated
// need to update XYΔ?
if (resultX || resultY)
{
Update.CalcXYΔ(tp3);
}
// assumption is that at least one
// X or Y or Z changed
Update.CalcSlope(tp3);
// all updated - adjust flags
Tpts3[idx - 1].XYZ.NeedsUpdatingX = false;
Tpts3[idx - 1].XYZ.NeedsUpdatingY = false;
Tpts3[idx - 1].XYZ.NeedsUpdatingZ = false;
Tpts3.Append = "\n";
}