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Sankey improvements: Let user specify node and path color #6129

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mankoff opened this issue Dec 12, 2024 · 1 comment · May be fixed by #6290
Open

Sankey improvements: Let user specify node and path color #6129

mankoff opened this issue Dec 12, 2024 · 1 comment · May be fixed by #6290
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Status: Triage Needs to be verified, categorized, etc Type: Enhancement New feature or request

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@mankoff
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mankoff commented Dec 12, 2024

Proposal

Mermaid should support user control of color in Sankey diagrams. Current syntax is

sankey-beta

%% source,target,value
foo,a,10
foo,b,10

Example

It would be nice to support,

sankey-beta

%% source,target,value,source_color,target_color
foo,a,10,red,blue
foo,b,10,red,green # or #hex values

Screenshots

No response
@mankoff mankoff added Status: Triage Needs to be verified, categorized, etc Type: Enhancement New feature or request labels Dec 12, 2024
@neuromechanist
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Another approach could be to mention the color of the nodes in the config section:

---
config:
  sankey:
    showValues: false
    colors:
      source: "#ff0000"
      target1: "#0000ff"
      target2: "#00ff00"
---
sankey-beta
source,target1,40
source,target2,60
Image

I will make a pull request for this, and will work on the tests and documentation later if there was traction.

@neuromechanist neuromechanist linked a pull request Feb 16, 2025 that will close this issue
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Status: Triage Needs to be verified, categorized, etc Type: Enhancement New feature or request
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Feature/6129 sankey custom color neuromechanist/mermaid
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@mankoff @neuromechanist