Adding Arrows to Price Panel from Indicator

[pel11]

I am trying to add up and down arrows to a price panel using cross over functions inside an indicator which displays correctly below the price panel. The three <double> series myRSI, myRSILower, and myRSIUpper are displayed correctly on the indicator, however, the arrows are not visible after compiling (with no errors).

Any suggestions?

if (CrossAbove( myRSI, myRSILower,1) ) {
Draw.ArrowUp(this, "tag1", true, 0, Low[0] - TickSize, Brushes.Green,true);
}
if (CrossBelow( myRSI, myRSIUpper,1) ) {
Draw.ArrowDown(this, "tag2", true, 0, High[0] + TickSize, Brushes.Red,true);
}

} // End of OnBarUpdate()

[NinjaTrader_AlanP]

Hello Pell11,

Thank you for your note.

If you set, DrawOnPricePanel = false; within State.SetDefaults, do the arrows draw as expected?

See DrawOnPricePanel section of our helpguide,

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

I look forward to your reply.

[pel11]

No, I set that to false, and also set the last command in the Draw.... function to false as well, selected Reload Script" on the chart, and no arrows visible on the screen.



FYI, even the SampleMACrossOver strategy that comes with NT8, which has some display commands for the short and long SMA's don't even appear on the screen after it's loaded to an equity chart with 1000 EOD bars.

[NinjaTrader_AlanP]

Hello pel11,

Since DrawOnPricePanel is set in State.SetDefaults, which is only ran once when the indicator is applied to a chart, a reload of NinjaScript would not reflect this change.

If you remove and reapply the indicator to the chart, do you see the bars?

Are you seeing the same behavior when you apply the indicator to a 15 minute candlestick chart?

I look forward to your reply.

[pel11]

I set DrawOnPricePanel = true; and I can only see one up and one down arrow --> the last time the crossovers were true, but not everywhere earlier in the chart.


The code in the OP is within OnBarUpdate, so I am not sure why the earlier arrows are not appearing?

[NinjaTrader_AlanP]

Hello pel11,

The same drawing arrow, "tag1" is being redrawn every time its being called.

Draw.ArrowUp(this, "tag1", true, 0, Low[0] - TickSize, Brushes.Green,true);

If you make the name of the drawing arrow unique each time its called, you'll see historical arrows.

To do this you could use,

Draw.ArrowUp(this, [B]"tag1"+CurrentBar[/B], true, 0, Low[0] - TickSize, Brushes.Green,true);

So each arrow will have a name of "tag1" plus whatever bar number its called on.

Please let us know if you need further assistance.

[pel11]

RESOLVED - thanks - works like a charm!