A four-bar lateral gets built.
Oooooow...... So I had not added that "lateral" word for nothing in my writings... I had really read it and it did not come out from anywhere.
A four-bar lateral gets built.
Your image needs the bands refined. T2P coming into being initiates B-band by defining boundaries for reference, A-band is active on that bar as a possible LVBO and HVBO zones where volume would exist on EOB. B-band EE’s do not exist until the n+1 bar from the T2P.
Let’s explore the case that tiddlywinks assertion is correct.
Then MSoO#66,#68,#84 and #121 are prerequisites to understanding the following:
(Jack's text is in quotes, mine in green within his context)
“Aa HVBO
We did the easier ones. What’s left is caveat land.
A four bar gets built. It cannot be simple and straightforward.
(This statement rules out a normal sequence of P1,T1,P2,T2P without internals for that is simple and straightforward)
All the following is at first sight, whithout further reasoning.
First : here, we are to be sure about the text. We've clearly exposed some texts talk about " a four bar" and others "a four bar LATERAL". The second way of saying the thing makes thing more than anything to Lat1 until Lat4. A four bars lateral..
Up to recently, I was on alert for Aa as soon as there was a LAT built with Lat4 present. If not in a LAT, I thought Aa could not happen.
We are saying now it's not a four bar LAT, but a four bar context made up of P1 progressing until T2P included AND even though T2P is not there, once p2 is there then the context for T2P is established pragmatically.
We must be clear about what the text says. Four bars (P1,T1,P2,T2P) or 4 bars LAT.
If the whole 4-bar is Lat, I believe this is already covered by Af.
I'll take the time to do the "transparent T2P" mentionned by Sprout to make appear the A's EE's zones, filll it
Ba is found when P2 is greater than P1 or an inside bar has a larger volume than the outside bar
1) Ba is found when (P1<P2 Or int UL) AND the volume is between P2 and T2P.
2) Ba is found when P1<P2 Or (int UL AND the volume is between P2 and T2P.)