[英]Visualizing dataset into d3 contour by converting obervable to notebook to plain JS
我有一個數據集需要使用下面鏈接中的 d3 等高線圖進行可視化
https://observablehq.com/@d3/contours
CSV 文件如下。
x,y,z
3100,200,290.5
3100,190,297.4
3100,180,298.4
3100,170,302.4
3100,160,314.5
3100,150,342.9
3100,140,393.1
3100,130,385.8
3100,120,463.6
3100,110,670.4
3000,200,288.5
3000,190,287.2
3000,180,295.3
3000,170,304.2
3000,160,315.4
3000,150,326.1
3000,140,363.5
3000,130,403.7
3000,120,484.8
3000,110,646.2
2900,200,280.9
2900,190,283.9
2900,180,286.8
2900,170,294.0
2900,160,302.2
2900,150,317.9
2900,140,349.9
2900,130,415.2
2900,120,525.4
2900,110,621.7
2800,200,278.3
2800,190,282.3
2800,180,285.1
2800,170,291.7
2800,160,298.9
2800,150,316.8
2800,140,350.4
2800,130,397.5
2800,120,458.7
2800,110,583.9
2700,200,277.6
2700,190,278.3
2700,180,284.4
2700,170,288.2
2700,160,292.7
2700,150,308.0
2700,140,327.6
2700,130,359.3
2700,120,440.3
2700,110,615.6
2600,200,277.2
2600,190,277.0
2600,180,280.0
2600,170,283.7
2600,160,294.6
2600,150,308.0
2600,140,325.9
2600,130,360.0
2600,120,421.6
2600,110,598.8
2500,200,273.9
2500,190,274.9
2500,180,278.7
2500,170,283.4
2500,160,291.8
2500,150,301.9
2500,140,319.7
2500,130,349.0
2500,120,414.6
2500,110,595.5
2400,200,273.4
2400,190,274.4
2400,180,277.7
2400,170,280.2
2400,160,285.4
2400,150,299.8
2400,140,314.6
2400,130,336.5
2400,120,387.4
2400,110,541.6
2300,200,273.4
2300,190,277.5
2300,180,274.6
2300,170,277.2
2300,160,284.5
2300,150,295.8
2300,140,307.7
2300,130,334.6
2300,120,380.1
2300,110,521.3
2200,200,270.5
2200,190,271.6
2200,180,273.3
2200,170,274.8
2200,160,282.5
2200,150,289.3
2200,140,302.1
2200,130,323.5
2200,120,368.5
2200,110,507.6
2100,200,270.5
2100,190,268.2
2100,180,269.0
2100,170,271.2
2100,160,277.6
2100,150,285.4
2100,140,299.0
2100,130,320.0
2100,120,366.1
2100,110,503.0
2000,200,271.7
2000,190,268.8
2000,180,268.5
2000,170,273.3
2000,160,278.7
2000,150,285.2
2000,140,295.3
2000,130,317.1
2000,120,361.5
2000,110,486.9
x 和 y 列將用於 x 軸和 y 軸。 Z 列是已經計算的值,我猜這些值需要用於閾值分量。
在我看來,來自 Observable 的示例並沒有太大幫助,因為它的數據結構與您的不同。
無論如何,您可以通過使用以下算法處理數據來構建輪廓(這是很多編碼,但我不能提出更好的方法):
祝你好運:)
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