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Date/Time: Fri, 03 May 2024 22:10:58 +0000



Post From: SC 1277: Add Custom Study second time freezes SC

[2015-07-29 19:56:50]
bjohnson777 (Brett Johnson) - Posts: 284
In regards to the graphics freezing problem, we want to know if not using transparency solves the issue or not using any of the Fill Top or Fill Bottom Draw Styles. Most likely it is one of those. And we want to know.

That's an interesting question I haven't tested yet...

RSI Bands has Line/Solid/1. Shouldn't be a problem there.

RSI w/Trend: changed Fill Top and Fill Bottom to straight Line/Solid/1 (these 2 were the transparent fill ones before). "Slow MA (SG4)" changed to Line/Solid/1. Other lines mentioned are Hidden.

These are the only 2 studies in the list. This is the only chart in the chart book. No other chart books are currently open for simplicity.

Looks like you found something. No lock ups... But it is NOT transparency. It's something related to Fill.

Scrolling is HORRIBLY SLUGGISH.

I changed "Slow MA (SG4)" to Line/Solid/5. No difference.

I delete both studies for an empty list and a plain chart: scrolling is LIGHTNING FAST.

Retracing debug steps:

Added RSI Bands back. Settings at default like before. Scrolling is lightning fast.

Removed RSI Bands.

Readd RSI w/Trend: Anything that draws is Line/Solid/1. Everything else is Hidden. Remaining settings at default like before.

Scrolling is horribly slow again. What does this study do that is so intense??? My charts from my regular chart book scroll kinda slow, but they have 20-something studies attached to them. I fully expect that.

OK, so we've made progress and isolated this to FILL related and not transparency. Does this mean I'm still screwed with WINE? Can this be tracked down and fixed? Is Fill manually drawn by SC or is this a qt5 function? If this is qt5, Ganz will be happy to see that a qt5 bug proved one of his points.