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It seems my colour key legend is not fully filled with colour (i.e. all the way to 1 in this case). Furthermore, I am trying to position the key title (i.e. link strength) on top of the key rather than on the left. 

ggraph(lay.ggraph) + 
 geom_edge_link0(aes(edge_colour = links$weight),
  edge_width = links$weight*10, lineend = "round") +
 scale_edge_color_gradient(name = "Link Strength",
  low = "#6495ED85", high = "#C1403D85") +
 geom_node_point(shape = 21, fill = "#D3D3D3", color = "#808080",
  size = 15, stroke = 2) +
 labs(y = "TL") +
 foodweb_theme`

enter image description here

Lstat
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Thomas
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  • Please take a look at [How to make a great R reproducible example](https://stackoverflow.com/questions/5963269/how-to-make-a-great-r-reproducible-example), to modify your question, with a smaller sample taken from your data (check `?dput()`). Posting images of your data or no data makes it difficult to impossible for us to help you! – massisenergy Apr 19 '20 at 11:54
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    I posted a workaround solution [here](https://github.com/tidyverse/ggplot2/issues/2465) – Thomas Apr 19 '20 at 14:12
  • Thanks Thomas! You can also post an answer to your own question, and help others having a similar problem. – Gui Ambros Apr 21 '20 at 00:28

0 Answers0