Can the tile placement proceeds from other directions? about treemapify HOT 7 CLOSED

Thanks Yuanchao. I’m going to add arguments to let you specify the starting corner and row-first vs column-first placement. I’ll update this issue when the feature is released.

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Thanks David! I've just tried that, that's perfect!

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Hi Yuanchao. It's not currently possible to control the starting position and direction of tile placement, but it wouldn't be hard to add this feature. Can I ask in what sort of situation you would want to change these parameters? Would you want the parameters to apply to the whole treemap, or to be able to control them independently for different subgroups?

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Hi David,

Thanks, If possible, my case is from top left then filling alternately downward then rightward. For subgroups, it'll be perfect if subgroups follow the same rule.
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Sorry if my question wasn't clear. What I'm trying to understand is: in what situation is column-first tile placement and starting from the top left corner better than the current default? Is it an aesthetic choice or is there a practical reason to prefer this layout?

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Oh I didn't get your question before. There isn't a specific reason, just other treemap softwares put it like that, e.g., treemap, tableau and power BI, and it looks natural and in accordance with people's reading habit.

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The latest development version v2.5.0.9004 adds a start argument to all the geoms that lets you specify the starting corner (bottomleft, topleft, topright or bottomright), and a layout argument that lets you choose a row-first (srow) or column-first (scol) squarified layout. You can install the development version with devtools::install_github("wilkox/treemapify"). Does this solve your issue?

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