Drawing Objects Plot Bug

[aslane]

If I have an indicator that plots drawing objects (i.e. divergence lines on price), everything works fine until you start scrolling back in time.

When you scroll back in time, price bars are correctly removed from the right side of the window. The problem is that the drawing objects are not removed, and instead are still plotted. The problem is even worse if you have a larger right side margin.

The attached picture shows the problem.

Drawing objects should only be plotted if entirely on the screen (time-wise) or they are in the past. If a drawing object has an endpoint that is in the future based on the plot, those objects should not be displayed (same as price bars).

[eDanny]

This may look buggy but I believe NT6.5 acts the same way.

[aslane]

This may look buggy but I believe NT6.5 acts the same way.

Doesn't mean they should not fix it.

[eDanny]

I was just pointing out it was not a newly introduced bug. Dan

[NinjaTrader_Bertrand]

aslane, thanks for reporting - do you see this both for indicators and strategies drawing those trendlines?

Is there any sample code you could send me (or post) that would help me reproduce and check into on my end?

Thanks

[aslane]

Example Strategy

Indicator vs Strategy does not matter. Attached is a simple wizard based strategy that draws lines when ever there is a new HH/LL. Put it on a chart, and set your right side margin to 150-200 to make it worse, then scroll back and forth to see the behavior.