Convert TickSize to Pixels

[tquinn]

When Drawing lines in Panel1 , I use "n*TickSize " as on Offset from price to determine the "Y' value.

When using this approach I get Lines that are closer or further away from price, as the Y scale Changes, or when the indicator is applied to a chart with a different TickSize.

I could make things more consistent if I could place Lines by a Pixel Offset, say 6 pixels, from a price value. So if on a given chart, 1 Tick (TickSize) is equivalent to 12 pixels then to draw 6 pixels off Price I could use "6/12*TickSize" as the offset . Then, later on that chart, as price action changes a single Tick might be 30 pixels. Then in placing Lines I would use "6/30*TickSize" as the Offset in both cases placing lines at 6 pixels from price.

ChartControl.Height will give # of pixels for the Entire Chart window. If I could get the # of pixels in just the pricePanel, and the Max&Min Prices displayed there then I could calculate the "pixels/Tick".

Question:
Can I do this?
Is there another (better) way.

[NinjaTrader_Ray]

This is currently not supported.

[ralph.ronnquist]

It might be possible to "capture" the min and max values by means of overriding the Plot(...) method. Check out the CustomPlotSample indicator.

[KBJ]

It doesn't sound like a good practice to save values from the Plot method to be used in OnbarUpdate, as the values you're talking about are likely to rescale depending on the y-axis range of values, so my gut feeling is that this isn't always going to produce the desired effect.