668 lines
16 KiB
Markdown
668 lines
16 KiB
Markdown
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title = "Mermaid"
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weight = 8
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description = "Generate diagrams, flowcharts, and piecharts from text in a similar manner as markdown."
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+++
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[Mermaid](https://mermaidjs.github.io/) is library that helps you generate diagrams, flowcharts, and piecharts from text in a similar manner as markdown.
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With compose theme, you can use mermaid using a custom shortcode as follows:
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### Sequence Diagrams
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**Snippet**
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```tpl
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{{</* mermaid */>}}
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sequenceDiagram
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participant Alice
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participant Bob
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Alice->>John: Hello John, how are you?
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loop Healthcheck
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John->>John: Fight against hypochondria
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end
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Note right of John: Rational thoughts<br/>prevail...
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John-->>Alice: Great!
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John->>Bob: How about you?
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Bob-->>John: Jolly good!
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{{</* /mermaid */>}}
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```
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**Result**
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{{< mermaid >}}
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sequenceDiagram
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participant Alice
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participant Bob
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Alice->>John: Hello John, how are you?
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loop Healthcheck
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John->>John: Fight against hypochondria
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end
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Note right of John: Rational thoughts<br/>prevail...
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John-->>Alice: Great!
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John->>Bob: How about you?
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Bob-->>John: Jolly good!
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{{< /mermaid >}}
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### Flow Charts
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**Snippet**
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```tpl
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{{</* mermaid */>}}
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flowchart TB
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c1-->a2
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subgraph one
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a1-->a2
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end
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subgraph two
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b1-->b2
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end
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subgraph three
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c1-->c2
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end
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one --> two
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three --> two
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two --> c2
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{{</* /mermaid */>}}
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```
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**Result**
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{{< mermaid >}}
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flowchart TB
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c1-->a2
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subgraph one
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a1-->a2
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end
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subgraph two
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b1-->b2
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end
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subgraph three
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c1-->c2
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end
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one --> two
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three --> two
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two --> c2
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{{< /mermaid >}}
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### Graphs
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**Snippet**
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```tpl
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{{</* mermaid */>}}
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graph TB
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sq[Square shape] --> ci((Circle shape))
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subgraph A
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od>Odd shape]-- Two line<br/>edge comment --> ro
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di{Diamond with <br/> line break} -.-> ro(Rounded<br>square<br>shape)
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di==>ro2(Rounded square shape)
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end
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%% Notice that no text in shape are added here instead that is appended further down
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e --> od3>Really long text with linebreak<br>in an Odd shape]
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%% Comments after double percent signs
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e((Inner / circle<br>and some odd <br>special characters)) --> f(,.?!+-*ز)
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cyr[Cyrillic]-->cyr2((Circle shape Начало));
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classDef green fill:#9f6,stroke:#333,stroke-width:2px;
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classDef orange fill:#f96,stroke:#333,stroke-width:4px;
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class sq,e green
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class di orange
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{{</* /mermaid */>}}
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```
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**Result**
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{{< mermaid >}}
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graph TB
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sq[Square shape] --> ci((Circle shape))
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subgraph A
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od>Odd shape]-- Two line<br/>edge comment --> ro
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di{Diamond with <br/> line break} -.-> ro(Rounded<br>square<br>shape)
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di==>ro2(Rounded square shape)
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end
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%% Notice that no text in shape are added here instead that is appended further down
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e --> od3>Really long text with linebreak<br>in an Odd shape]
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%% Comments after double percent signs
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e((Inner / circle<br>and some odd <br>special characters)) --> f(,.?!+-*ز)
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cyr[Cyrillic]-->cyr2((Circle shape Начало));
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classDef green fill:#9f6,stroke:#333,stroke-width:2px;
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classDef orange fill:#f96,stroke:#333,stroke-width:4px;
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class sq,e green
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class di orange
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{{< /mermaid >}}
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**Snippet**
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```tpl
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{{</* mermaid */>}}
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graph LR
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A[Hard edge] -->|Link text| B(Round edge)
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B --> C{Decision}
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C -->|One| D[Result one]
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C -->|Two| E[Result two]
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{{</* /mermaid */>}}
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```
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**Result**
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{{< mermaid >}}
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graph LR
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A[Hard edge] -->|Link text| B(Round edge)
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B --> C{Decision}
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C -->|One| D[Result one]
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C -->|Two| E[Result two]
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{{< /mermaid >}}
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### Class Diagram
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{{< mermaid >}}
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classDiagram
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Animal <|-- Duck
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Animal <|-- Fish
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Animal <|-- Zebra
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Animal : +int age
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Animal : +String gender
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Animal: +isMammal()
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Animal: +mate()
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class Duck{
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+String beakColor
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+swim()
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+quack()
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}
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class Fish{
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-int sizeInFeet
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-canEat()
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}
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class Zebra{
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+bool is_wild
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+run()
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}
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{{< /mermaid >}}
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### State Diagram
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{{< mermaid >}}
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stateDiagram-v2
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[*] --> Active
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state Active {
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[*] --> NumLockOff
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NumLockOff --> NumLockOn : EvNumLockPressed
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NumLockOn --> NumLockOff : EvNumLockPressed
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--
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[*] --> CapsLockOff
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CapsLockOff --> CapsLockOn : EvCapsLockPressed
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CapsLockOn --> CapsLockOff : EvCapsLockPressed
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--
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[*] --> ScrollLockOff
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ScrollLockOff --> ScrollLockOn : EvScrollLockPressed
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ScrollLockOn --> ScrollLockOff : EvScrollLockPressed
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}
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{{< /mermaid >}}
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{{< mermaid >}}
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stateDiagram-v2
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State1: The state with a note
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note right of State1
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Important information! You can write
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notes.
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end note
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State1 --> State2
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note left of State2 : This is the note to the left.
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{{< /mermaid >}}
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### Relationship Diagrams
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**Snippet**
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```tpl
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{{</* mermaid */>}}
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erDiagram
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CUSTOMER ||--o{ ORDER : places
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ORDER ||--|{ LINE-ITEM : contains
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CUSTOMER }|..|{ DELIVERY-ADDRESS : uses
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{{</* /mermaid */>}}
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```
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**Result**
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{{< mermaid >}}
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erDiagram
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CUSTOMER ||--o{ ORDER : places
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ORDER ||--|{ LINE-ITEM : contains
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CUSTOMER }|..|{ DELIVERY-ADDRESS : uses
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{{< /mermaid >}}
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### User Journey
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**Snippet**
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```tpl
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{{</* mermaid */>}}
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journey
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title My working day
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section Go to work
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Make tea: 5: Me
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Go upstairs: 3: Me
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Do work: 1: Me, Cat
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section Go home
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Go downstairs: 5: Me
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Sit down: 5: Me
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{{</* /mermaid */>}}
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```
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**Result**
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{{< mermaid >}}
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journey
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title My working day
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section Go to work
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Make tea: 5: Me
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Go upstairs: 3: Me
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Do work: 1: Me, Cat
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section Go home
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Go downstairs: 5: Me
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Sit down: 5: Me
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{{< /mermaid >}}
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### Gantt
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**Snippet**
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```tpl
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{{</* mermaid */>}}
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gantt
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dateFormat YYYY-MM-DD
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title Adding GANTT diagram functionality to mermaid
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excludes weekends
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%% (`excludes` accepts specific dates in YYYY-MM-DD format, days of the week ("sunday") or "weekends", but not the word "weekdays".)
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section A section
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Completed task :done, des1, 2014-01-06,2014-01-08
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Active task :active, des2, 2014-01-09, 3d
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Future task : des3, after des2, 5d
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Future task2 : des4, after des3, 5d
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section Critical tasks
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Completed task in the critical line :crit, done, 2014-01-06,24h
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Implement parser and jison :crit, done, after des1, 2d
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Create tests for parser :crit, active, 3d
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Future task in critical line :crit, 5d
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Create tests for renderer :2d
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Add to mermaid :1d
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section Documentation
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Describe gantt syntax :active, a1, after des1, 3d
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Add gantt diagram to demo page :after a1 , 20h
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Add another diagram to demo page :doc1, after a1 , 48h
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section Last section
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Describe gantt syntax :after doc1, 3d
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Add gantt diagram to demo page :20h
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Add another diagram to demo page :48h
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{{</* /mermaid */>}}
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```
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**Result**
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{{< mermaid >}}
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gantt
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dateFormat YYYY-MM-DD
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title Adding GANTT diagram functionality to mermaid
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excludes weekends
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%% (`excludes` accepts specific dates in YYYY-MM-DD format, days of the week ("sunday") or "weekends", but not the word "weekdays".)
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section A section
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Completed task :done, des1, 2014-01-06,2014-01-08
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Active task :active, des2, 2014-01-09, 3d
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Future task : des3, after des2, 5d
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Future task2 : des4, after des3, 5d
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section Critical tasks
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Completed task in the critical line :crit, done, 2014-01-06,24h
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Implement parser and jison :crit, done, after des1, 2d
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Create tests for parser :crit, active, 3d
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Future task in critical line :crit, 5d
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Create tests for renderer :2d
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Add to mermaid :1d
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section Documentation
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Describe gantt syntax :active, a1, after des1, 3d
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Add gantt diagram to demo page :after a1 , 20h
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Add another diagram to demo page :doc1, after a1 , 48h
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section Last section
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Describe gantt syntax :after doc1, 3d
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Add gantt diagram to demo page :20h
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Add another diagram to demo page :48h
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{{< /mermaid >}}
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### Pie Chart
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```tpl
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{{</* mermaid */>}}
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pie
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title Key elements in Product X
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"Calcium" : 42.96
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"Potassium" : 50.05
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"Magnesium" : 10.01
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"Iron" : 5
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{{</* /mermaid */>}}
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```
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**Result**
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{{< mermaid >}}
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pie
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title Key elements in Product X
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"Calcium" : 42.96
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"Potassium" : 50.05
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"Magnesium" : 10.01
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"Iron" : 5
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{{< /mermaid >}}
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### Mindmap
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__Snippet__
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```tpl
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{{</* mermaid */>}}
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mindmap
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root((mindmap))
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Origins
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Long history
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::icon(fa fa-book)
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Popularisation
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British popular psychology author Tony Buzan
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Research
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On effectiveness<br/>and features
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On Automatic creation
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Uses
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Creative techniques
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Strategic planning
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Argument mapping
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Tools
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Pen and paper
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Mermaid
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{{</* /mermaid */>}}
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```
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__Result__
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{{< mermaid >}}
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mindmap
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root((mindmap))
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Origins
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Long history
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||
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::icon(fa fa-book)
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Popularisation
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||
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British popular psychology author Tony Buzan
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||
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Research
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||
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|
On effectiveness<br/>and features
|
||
|
|
On Automatic creation
|
||
|
|
Uses
|
||
|
|
Creative techniques
|
||
|
|
Strategic planning
|
||
|
|
Argument mapping
|
||
|
|
Tools
|
||
|
|
Pen and paper
|
||
|
|
Mermaid
|
||
|
|
|
||
|
|
{{< /mermaid >}}
|
||
|
|
|
||
|
|
### Timeline
|
||
|
|
|
||
|
|
__Snippet I__
|
||
|
|
|
||
|
|
```tpl
|
||
|
|
{{</* mermaid */>}}
|
||
|
|
timeline
|
||
|
|
title History of Social Media Platform
|
||
|
|
2002 : LinkedIn
|
||
|
|
2004 : Facebook : Google
|
||
|
|
2005 : Youtube
|
||
|
|
2006 : Twitter
|
||
|
|
{{</* /mermaid */>}}
|
||
|
|
```
|
||
|
|
|
||
|
|
__Result I__
|
||
|
|
|
||
|
|
{{< mermaid >}}
|
||
|
|
timeline
|
||
|
|
title History of Social Media Platform
|
||
|
|
2002 : LinkedIn
|
||
|
|
2004 : Facebook : Google
|
||
|
|
2005 : Youtube
|
||
|
|
2006 : Twitter
|
||
|
|
{{< /mermaid >}}
|
||
|
|
|
||
|
|
__Snippet II__
|
||
|
|
|
||
|
|
```tpl
|
||
|
|
{{</* mermaid */>}}
|
||
|
|
timeline
|
||
|
|
title MermaidChart 2023 Timeline
|
||
|
|
section 2023 Q1 <br> Release Personal Tier
|
||
|
|
Buttet 1 : sub-point 1a : sub-point 1b
|
||
|
|
: sub-point 1c
|
||
|
|
Bullet 2 : sub-point 2a : sub-point 2b
|
||
|
|
section 2023 Q2 <br> Release XYZ Tier
|
||
|
|
Buttet 3 : sub-point <br> 3a : sub-point 3b
|
||
|
|
: sub-point 3c
|
||
|
|
Bullet 4 : sub-point 4a : sub-point 4b
|
||
|
|
|
||
|
|
{{</* /mermaid */>}}
|
||
|
|
```
|
||
|
|
|
||
|
|
__Result II__
|
||
|
|
{{< mermaid >}}
|
||
|
|
timeline
|
||
|
|
title MermaidChart 2023 Timeline
|
||
|
|
section 2023 Q1 <br> Release Personal Tier
|
||
|
|
Buttet 1 : sub-point 1a : sub-point 1b
|
||
|
|
: sub-point 1c
|
||
|
|
Bullet 2 : sub-point 2a : sub-point 2b
|
||
|
|
section 2023 Q2 <br> Release XYZ Tier
|
||
|
|
Buttet 3 : sub-point <br> 3a : sub-point 3b
|
||
|
|
: sub-point 3c
|
||
|
|
Bullet 4 : sub-point 4a : sub-point 4b
|
||
|
|
|
||
|
|
{{< /mermaid >}}
|
||
|
|
|
||
|
|
### Gitgraph
|
||
|
|
|
||
|
|
__Snippet__
|
||
|
|
|
||
|
|
```tpl
|
||
|
|
{{</* mermaid */>}}
|
||
|
|
---
|
||
|
|
title: Example Git diagram
|
||
|
|
---
|
||
|
|
gitGraph
|
||
|
|
commit
|
||
|
|
commit
|
||
|
|
branch develop
|
||
|
|
checkout develop
|
||
|
|
commit
|
||
|
|
commit
|
||
|
|
checkout main
|
||
|
|
merge develop
|
||
|
|
commit
|
||
|
|
commit
|
||
|
|
|
||
|
|
{{</* /mermaid */>}}
|
||
|
|
```
|
||
|
|
|
||
|
|
__Result__
|
||
|
|
|
||
|
|
{{< mermaid >}}
|
||
|
|
---
|
||
|
|
title: Example Git diagram
|
||
|
|
---
|
||
|
|
gitGraph
|
||
|
|
commit
|
||
|
|
commit
|
||
|
|
branch develop
|
||
|
|
checkout develop
|
||
|
|
commit
|
||
|
|
commit
|
||
|
|
checkout main
|
||
|
|
merge develop
|
||
|
|
commit
|
||
|
|
commit
|
||
|
|
|
||
|
|
{{< /mermaid >}}
|
||
|
|
|
||
|
|
### Requirement Diagram
|
||
|
|
|
||
|
|
__Snippet__
|
||
|
|
|
||
|
|
```tpl
|
||
|
|
{{</* mermaid */>}}
|
||
|
|
requirementDiagram
|
||
|
|
|
||
|
|
requirement test_req {
|
||
|
|
id: 1
|
||
|
|
text: the test text.
|
||
|
|
risk: high
|
||
|
|
verifymethod: test
|
||
|
|
}
|
||
|
|
|
||
|
|
element test_entity {
|
||
|
|
type: simulation
|
||
|
|
}
|
||
|
|
|
||
|
|
test_entity - satisfies -> test_req
|
||
|
|
{{</* /mermaid */>}}
|
||
|
|
```
|
||
|
|
|
||
|
|
__Result__
|
||
|
|
|
||
|
|
{{< mermaid >}}
|
||
|
|
requirementDiagram
|
||
|
|
|
||
|
|
requirement test_req {
|
||
|
|
id: 1
|
||
|
|
text: the test text.
|
||
|
|
risk: high
|
||
|
|
verifymethod: test
|
||
|
|
}
|
||
|
|
|
||
|
|
element test_entity {
|
||
|
|
type: simulation
|
||
|
|
}
|
||
|
|
|
||
|
|
test_entity - satisfies -> test_req
|
||
|
|
{{< /mermaid >}}
|
||
|
|
|
||
|
|
|
||
|
|
### C4C Diagram
|
||
|
|
|
||
|
|
```tpl
|
||
|
|
{{</* mermaid */>}}
|
||
|
|
C4Context
|
||
|
|
title System Context diagram for Internet Banking System
|
||
|
|
Enterprise_Boundary(b0, "BankBoundary0") {
|
||
|
|
Person(customerA, "Banking Customer A", "A customer of the bank, with personal bank accounts.")
|
||
|
|
Person(customerB, "Banking Customer B")
|
||
|
|
Person_Ext(customerC, "Banking Customer C", "desc")
|
||
|
|
|
||
|
|
Person(customerD, "Banking Customer D", "A customer of the bank, <br/> with personal bank accounts.")
|
||
|
|
|
||
|
|
System(SystemAA, "Internet Banking System", "Allows customers to view information about their bank accounts, and make payments.")
|
||
|
|
|
||
|
|
Enterprise_Boundary(b1, "BankBoundary") {
|
||
|
|
|
||
|
|
SystemDb_Ext(SystemE, "Mainframe Banking System", "Stores all of the core banking information about customers, accounts, transactions, etc.")
|
||
|
|
|
||
|
|
System_Boundary(b2, "BankBoundary2") {
|
||
|
|
System(SystemA, "Banking System A")
|
||
|
|
System(SystemB, "Banking System B", "A system of the bank, with personal bank accounts. next line.")
|
||
|
|
}
|
||
|
|
|
||
|
|
System_Ext(SystemC, "E-mail system", "The internal Microsoft Exchange e-mail system.")
|
||
|
|
SystemDb(SystemD, "Banking System D Database", "A system of the bank, with personal bank accounts.")
|
||
|
|
|
||
|
|
Boundary(b3, "BankBoundary3", "boundary") {
|
||
|
|
SystemQueue(SystemF, "Banking System F Queue", "A system of the bank.")
|
||
|
|
SystemQueue_Ext(SystemG, "Banking System G Queue", "A system of the bank, with personal bank accounts.")
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
BiRel(customerA, SystemAA, "Uses")
|
||
|
|
BiRel(SystemAA, SystemE, "Uses")
|
||
|
|
Rel(SystemAA, SystemC, "Sends e-mails", "SMTP")
|
||
|
|
Rel(SystemC, customerA, "Sends e-mails to")
|
||
|
|
|
||
|
|
UpdateElementStyle(customerA, $fontColor="red", $bgColor="grey", $borderColor="red")
|
||
|
|
UpdateRelStyle(customerA, SystemAA, $textColor="blue", $lineColor="blue", $offsetX="5")
|
||
|
|
UpdateRelStyle(SystemAA, SystemE, $textColor="blue", $lineColor="blue", $offsetY="-10")
|
||
|
|
UpdateRelStyle(SystemAA, SystemC, $textColor="blue", $lineColor="blue", $offsetY="-40", $offsetX="-50")
|
||
|
|
UpdateRelStyle(SystemC, customerA, $textColor="red", $lineColor="red", $offsetX="-50", $offsetY="20")
|
||
|
|
|
||
|
|
UpdateLayoutConfig($c4ShapeInRow="3", $c4BoundaryInRow="1")
|
||
|
|
{{</* /mermaid */>}}
|
||
|
|
```
|
||
|
|
|
||
|
|
__Result__
|
||
|
|
|
||
|
|
{{< mermaid >}}
|
||
|
|
C4Context
|
||
|
|
title System Context diagram for Internet Banking System
|
||
|
|
Enterprise_Boundary(b0, "BankBoundary0") {
|
||
|
|
Person(customerA, "Banking Customer A", "A customer of the bank, with personal bank accounts.")
|
||
|
|
Person(customerB, "Banking Customer B")
|
||
|
|
Person_Ext(customerC, "Banking Customer C", "desc")
|
||
|
|
|
||
|
|
Person(customerD, "Banking Customer D", "A customer of the bank, <br/> with personal bank accounts.")
|
||
|
|
|
||
|
|
System(SystemAA, "Internet Banking System", "Allows customers to view information about their bank accounts, and make payments.")
|
||
|
|
|
||
|
|
Enterprise_Boundary(b1, "BankBoundary") {
|
||
|
|
|
||
|
|
SystemDb_Ext(SystemE, "Mainframe Banking System", "Stores all of the core banking information about customers, accounts, transactions, etc.")
|
||
|
|
|
||
|
|
System_Boundary(b2, "BankBoundary2") {
|
||
|
|
System(SystemA, "Banking System A")
|
||
|
|
System(SystemB, "Banking System B", "A system of the bank, with personal bank accounts. next line.")
|
||
|
|
}
|
||
|
|
|
||
|
|
System_Ext(SystemC, "E-mail system", "The internal Microsoft Exchange e-mail system.")
|
||
|
|
SystemDb(SystemD, "Banking System D Database", "A system of the bank, with personal bank accounts.")
|
||
|
|
|
||
|
|
Boundary(b3, "BankBoundary3", "boundary") {
|
||
|
|
SystemQueue(SystemF, "Banking System F Queue", "A system of the bank.")
|
||
|
|
SystemQueue_Ext(SystemG, "Banking System G Queue", "A system of the bank, with personal bank accounts.")
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
BiRel(customerA, SystemAA, "Uses")
|
||
|
|
BiRel(SystemAA, SystemE, "Uses")
|
||
|
|
Rel(SystemAA, SystemC, "Sends e-mails", "SMTP")
|
||
|
|
Rel(SystemC, customerA, "Sends e-mails to")
|
||
|
|
|
||
|
|
UpdateElementStyle(customerA, $fontColor="red", $bgColor="grey", $borderColor="red")
|
||
|
|
UpdateRelStyle(customerA, SystemAA, $textColor="blue", $lineColor="blue", $offsetX="5")
|
||
|
|
UpdateRelStyle(SystemAA, SystemE, $textColor="blue", $lineColor="blue", $offsetY="-10")
|
||
|
|
UpdateRelStyle(SystemAA, SystemC, $textColor="blue", $lineColor="blue", $offsetY="-40", $offsetX="-50")
|
||
|
|
UpdateRelStyle(SystemC, customerA, $textColor="red", $lineColor="red", $offsetX="-50", $offsetY="20")
|
||
|
|
|
||
|
|
UpdateLayoutConfig($c4ShapeInRow="3", $c4BoundaryInRow="1")
|
||
|
|
{{< /mermaid >}}
|