display signals from an indicator for the last day on the chart only

[td_910]

Hi,

I would like to display the signals from an indicator for the last day/session on the chart only (for display/performance reasons).
I used this, but that's pretty arbitrary and doesn't work on all charts (e.g. if I use the indicator on a smaller tick chart)

if (CurrentBar<Count-200) return;

How would I go about this?

Thanks

[td_910]

there is a workaround, if I take out the CurrentBar part from the object name, but that is not performance friendly as all bars on the chart are still processed

Draw.Line(this, "Min60_UpperTail"+(CurrentBar),
Draw.Line(this, "Min60_UpperTail",

[NinjaTrader_PaulH]

Hello td_910,

Thanks for your post.

An easy way to do this would be to use Bars.ISFirstBarOfSession as a flag to take action to remove previously drawn objects using RemoveDrawObjects(); the only objects remaining would be what is drawn today (well since the start of the session).

Reference:

https://ninjatrader.com/support/helpGuides/nt8/en-us/?removedrawobjects.htm

https://ninjatrader.com/support/helpGuides/nt8/en-us/?isfirstbarofsession.htm

[td_910]

Hello td_910,

Thanks for your post.

An easy way to do this would be to use Bars.ISFirstBarOfSession as a flag to take action to remove previously drawn objects using RemoveDrawObjects(); the only objects remaining would be what is drawn today (well since the start of the session).

Reference:
https://ninjatrader.com/support/help...rawobjects.htm
https://ninjatrader.com/support/help...rofsession.htm

thank you
yes, right
but that would also process all bars on the chart before (like my workaround) and e.g. take ages on a 500tick chart of the ES with 50 days loaded

[NinjaTrader_PaulH]

Hello td_910,

Thanks for your reply.

I must have missed your 2nd post.

If you are connecting with live data, you could trying testing to see if the bar being processed matches todays date and if so then draw the objects. this means you would get objects from Midnight on.
For example:

if (Time[0].Date == DateTime.Now.Date)
{
Draw.Dot(this, "test"+CurrentBar, true, 0, Low[0] - 3 * TickSize, Brushes.Blue);
}

[NinjaTrader_PaulH]

Hello td_910,

To follow-up on your first post, you could use Bars.Count.
For example:

if (CurrentBar > Bars.Count - 30) // draw on latest 30 bars
{
Draw.Dot(this, "test"+CurrentBar, true, 0, Low[0] - 3 * TickSize, Brushes.Blue);
}

[td_910]

Thank you for that

if (showLastOnly && Time[0].Date < DateTime.Now.Date) return;

if (showLastOnly && Time[0].Date < ChartBars.Properties.To.Date) return;

I ended up with the 2nd version, as that shows the objects on the last day of the chart, even if that is set to a date, that is not today

Many thanks for your help.