Visually mark the favorable ladder that is required.

Visually mark the favorable ladder that is required.

Postby Terranigma on Thu Jul 23, 2015 6:54 pm

Very often on josekipedia you will come upon a joseki variation with the note "Favorable ladder required" attached, without any mention of where exactly this particular ladder would run to.

Instead of (or in addition to) this half-assed "Favorable ladder required" comment, Josekipedia should allow placing diagonal white and black arrows on the (opposite end of the) board, to make the ladders in question immediately visually obvious. Alternatively --instead of arrows-- you could lay out (the tail of) the ladder itself, but with stones that are 50% transparent (so as to be immediately distinguishable from the actual stones already present in the joseki).
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Re: Visually mark the favorable ladder that is required.

Postby adum on Tue Jul 28, 2015 7:44 am

interesting idea. how woudl you lay it out?
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Re: Visually mark the favorable ladder that is required.

Postby Terranigma on Fri Jul 31, 2015 8:01 pm

Obviously, you'd need to add a ladder UI element (a button or some such) in the Edit view.

When you click on it, two pairs of radio buttons should appear: one pair to switch between a topleft-bottomright oriented ladder and a topright-bottomleft oriented ladder, and one pair to switch between a blackinside-whiteoutside ladder and a whiteinside-blackoutside ladder.

When moving your mouse pointer over the go board, a corresponding semi-transparent ladder "icon" should ideally automatically hang below the cursor. Clicking a board position would then anchor the ladder. Length-wise something like this should be clear enough, no?:

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