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[FEATURE]: Please allow for the sizes of clusters within scattermaps to be based on their underlying values

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評估

難度
4/5
預估耗時
3-5 天
新手友好度
45/100
Issue 類型
功能
描述清晰度
基本清楚
活躍度
冷清
技術堆疊
javascript

研究方向

從連結的 CodePen 以及它示範的 scattermap clustering 行為開始。追蹤目前如何決定 marker 大小和 cluster 大小,然後定義如何為每個 cluster 聚合底層變數;完成標準是 cluster 可以根據該聚合值進行縮放,同時現有的 marker 和 clustering 行為仍能正常運作。

由索引模型根據 Issue 內容生成。

描述

feature

I am currently working on a scattermap that has thousands of individual circles. The sizes of these circles are based on their underlying population, rather than a fixed value.

When the map is zoomed out quite a bit, these circles end up overlapping--thus making it harder to identify areas with particularly large populations. Therefore, I tried using the cluster feature to group circles together. However, it appears that the sizes of all circles within a given cluster can only be based on the numbers of circles in each cluster.

What I would love to see is the ability to set cluster sizes on an underlying variable (e.g. population). That way, a 5-region cluster with a population of 2 million would be twice as large as that of another 5-region cluster of 1 million. Since it's already possible to base single-marker sizes on a specified variable, I like to think that this wouldn't be too challenging to implement (though I could be wrong).

Here's a Codepen that shows a simplified version of my actual code. (It's based on Plotly's US-city dataset.) Note that all green circles (clusters) are the same size, whereas blue circles (markers) are based on cities' populations. I'd like for the green clusters' sizes to be based on the sum of the populations of all cities in their cluster.

(Note that, in this case, basing cluster sizes on the number of cities that they contain would not be ideal, since city sizes can vary widely.)

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JavaScript
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1 天 19 小時
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