我在networkD3
包中创建了一个 sankey 图。我想修改节点和链接的颜色和透明度。
我的数据networkD3_data
附在最后。
问题一:如何使用自定义调色板修改节点颜色?
我不确定如何使用用户定义的调色板修改颜色。我有必要使用特定于每个节点源的相同调色板来与我拥有的其他图保持一致。
目前,我可以通过定义NodeGroup
. 下面的图接近我想要的,但是现在我想自己指定每个源节点的颜色。
library(networkD3)
sankeyNetwork(Links = networkD3_data$links, Nodes = networkD3_data$nodes, Source = "source", Target = "target", Value = "value", NodeID = "name", NodeGroup="group", fontSize=14)
?sankeyNetwork
说有一个colourScale
参数,它采用“字符串指定节点的分类色标”。我认为这意味着我可以将具有所需颜色的列添加到networkD3_data$nodes
数据框中并colourScale
这样调用:
sankeyNetwork(Links = networkD3_data$links, Nodes = networkD3_data$nodes, Source = "source", Target = "target", Value = "value", NodeID = "name", NodeGroup="group", fontSize=14, colourScale="colors")
但这不起作用,没有情节产生。我搜索了stackoverflow并找到了2014年的答案:here,但我认为这不再有效,因为我在Error: unexpected symbol
调用这些提议的解决方案中的任何一个时遇到错误(或者我可能只是不知道如何正确实现它)。
d3.scale.ordinal().range(["#7d3945","#e0677b", "#244457"])
d3.scaleOrdinal().range(["#7d3945","#e0677b", "#244457"])
问题2:是否可以定义源和目标的显示顺序?
那么源从 Source0 到 Source10 并且从 Target11 到 Target47 列出目标?这套在哪里?我知道这对于允许算法以最佳方式定位节点是违反直觉的。
问题 3:如何使用自定义调色板修改链接颜色并更改透明度/不透明度?
我还想使用与源相同的配色方案对从源发出的链接进行颜色编码。我可以通过定义来做到这一点LinkGroup
,见下图。我再次接近我想要的,但我只需要指定自己使用的颜色,我不确定在哪里修改它。我还想调整不透明度,使源颜色比链接颜色更纯色。
sankeyNetwork(Links = networkD3_data$links, Nodes = networkD3_data$nodes, Source = "source", Target = "target", Value = "value", NodeID = "name", NodeGroup="group", LinkGroup="group", fontSize=14)
这是我的数据——dput(networkD3_data)
structure(list(nodes = structure(list(name = c("Source0", "Source1",
"Source2", "Source3", "Source4", "Source5", "Source6", "Source7",
"Source8", "Source9", "Source10", "Target11", "Target12", "Target13",
"Target14", "Target15", "Target16", "Target17", "Target18", "Target19",
"Target20", "Target21", "Target22", "Target23", "Target24", "Target25",
"Target26", "Target27", "Target28", "Target29", "Target30", "Target31",
"Target32", "Target33", "Target34", "Target35", "Target36", "Target37",
"Target38", "Target39", "Target40", "Target41", "Target42", "Target43",
"Target44", "Target45", "Target46", "Target47"), group = c("Source0",
"Source1", "Source2", "Source3", "Source4", "Source5", "Source6",
"Source7", "Source8", "Source9", "Source10", "Target", "Target",
"Target", "Target", "Target", "Target", "Target", "Target", "Target",
"Target", "Target", "Target", "Target", "Target", "Target", "Target",
"Target", "Target", "Target", "Target", "Target", "Target", "Target",
"Target", "Target", "Target", "Target", "Target", "Target", "Target",
"Target", "Target", "Target", "Target", "Target", "Target", "Target"
), colors = c("#9E0142", "#D53E4F", "#F46D43", "#FDAE61", "#FEE08B",
"#FFFFBF", "#E6F598", "#ABDDA4", "#66C2A5", "#3288BD", "#5E4FA2",
"#969696", "#969696", "#969696", "#969696", "#969696", "#969696",
"#969696", "#969696", "#969696", "#969696", "#969696", "#969696",
"#969696", "#969696", "#969696", "#969696", "#969696", "#969696",
"#969696", "#969696", "#969696", "#969696", "#969696", "#969696",
"#969696", "#969696", "#969696", "#969696", "#969696", "#969696",
"#969696", "#969696", "#969696", "#969696", "#969696", "#969696",
"#969696")), .Names = c("name", "group", "colors"), row.names = c(NA,
-48L), class = "data.frame"), links = structure(list(source = c(0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
3, 3, 3, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 6,
6, 6, 6, 7, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
8, 9, 9, 9, 9, 9, 9, 9, 9, 10, 10, 10, 10, 10, 10, 10, 10, 10
), target = c(11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22,
23, 13, 18, 15, 11, 12, 24, 21, 25, 26, 27, 19, 28, 16, 22, 29,
30, 31, 32, 18, 16, 15, 13, 27, 29, 19, 33, 34, 31, 35, 21, 24,
11, 30, 36, 28, 37, 38, 39, 40, 26, 41, 11, 12, 15, 18, 19, 14,
13, 16, 27, 34, 20, 22, 25, 12, 27, 16, 18, 13, 11, 12, 11, 14,
27, 21, 16, 18, 22, 13, 15, 19, 16, 11, 12, 39, 12, 14, 18, 11,
42, 43, 44, 13, 11, 18, 15, 12, 19, 45, 31, 16, 20, 46, 40, 47,
11, 12, 18, 16, 14, 19, 15, 11, 12, 16, 13, 18, 14, 34, 31, 15
), value = c(5.8, 3.2, 5, 2.4, 2.5, 2.7, 3.5, 2.5, 3.5, 1.4,
2.9, 2.4, 1.3, 12.1, 7.4, 5, 11.2, 5.6, 6.4, 8.8, 2.6, 3.5, 7,
10, 4.5, 6, 6.5, 5.8, 5.4, 6.2, 8.9, 5.5, 4.8, 3.4, 6.5, 5, 4,
6.4, 7.3, 4.4, 4.2, 1.7, 5.1, 3.6, 6.4, 3.4, 2.5, 2.6, 2.3, 2.3,
3.2, 1.6, 1.7, 3.7, 8, 4.4, 3.1, 4.1, 5.9, 2.8, 5, 3.2, 3.7,
3.4, 1.8, 3.2, 1.2, 4.1, 5.2, 4.5, 4.8, 7.1, 7.3, 4.6, 8.4, 3.4,
5.2, 6.1, 4.3, 4.5, 4.5, 6.5, 2.8, 6.3, 5.3, 8.2, 3.8, 4.3, 4.2,
3.4, 5.4, 7.9, 1.2, 1.4, 1.4, 6.6, 6.8, 4.2, 2.9, 3.1, 5.3, 2.6,
3.2, 2.9, 1.7, 1.9, 1.4, 8, 8, 4, 5, 4.3, 2.9, 6.9, 3, 8.7, 4.5,
4.2, 6.6, 4.4, 2.7, 4.4, 4.3, 2.8), group = c("Source0", "Source0",
"Source0", "Source0", "Source0", "Source0", "Source0", "Source0",
"Source0", "Source0", "Source0", "Source0", "Source0", "Source1",
"Source1", "Source1", "Source1", "Source1", "Source1", "Source1",
"Source1", "Source1", "Source1", "Source1", "Source1", "Source1",
"Source1", "Source1", "Source1", "Source1", "Source1", "Source2",
"Source2", "Source2", "Source2", "Source2", "Source2", "Source2",
"Source2", "Source2", "Source2", "Source2", "Source2", "Source2",
"Source2", "Source2", "Source2", "Source2", "Source2", "Source2",
"Source2", "Source2", "Source2", "Source2", "Source3", "Source3",
"Source3", "Source3", "Source3", "Source3", "Source3", "Source3",
"Source3", "Source3", "Source3", "Source3", "Source3", "Source4",
"Source4", "Source4", "Source4", "Source4", "Source4", "Source5",
"Source5", "Source5", "Source5", "Source5", "Source5", "Source5",
"Source5", "Source5", "Source5", "Source5", "Source6", "Source6",
"Source6", "Source6", "Source7", "Source7", "Source7", "Source7",
"Source7", "Source7", "Source7", "Source8", "Source8", "Source8",
"Source8", "Source8", "Source8", "Source8", "Source8", "Source8",
"Source8", "Source8", "Source8", "Source9", "Source9", "Source9",
"Source9", "Source9", "Source9", "Source9", "Source9", "Source10",
"Source10", "Source10", "Source10", "Source10", "Source10", "Source10",
"Source10", "Source10")), .Names = c("source", "target", "value",
"group"), row.names = c(NA, -124L), class = "data.frame")), .Names = c("nodes",
"links"))