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drawio-logical-diagrams

by @giuseppe-trisciuogliov
4.9(68)

draw.ioでプロフェッショナルな論理図を作成し、本番環境対応の.drawioファイルを生成します。

Draw.ioLogical DiagramsSystem ArchitectureUML ModelingTechnical DocumentationGitHub
インストール方法
npx skills add giuseppe-trisciuoglio/developer-kit --skill drawio-logical-diagrams
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Before / After 効果比較

1 组
使用前

Draw.ioで複雑なロジック図やシステムアーキテクチャ図を手動で作成することは、時間がかかり、標準化が困難です。

使用後

drawio-logical-diagramsスキルを使用することで、プロフェッショナルなDraw.ioロジック図が自動生成され、図表作成の効率と一貫性が向上します。

description SKILL.md

drawio-logical-diagrams

Draw.io Logical Diagrams Creation

Overview

Create professional logical diagrams in draw.io's native XML format. This skill enables generation of production-ready .drawio files for logical flow diagrams, system architecture visualizations, and abstract process representations using generic shapes and symbols.

When to Use

Use this skill when:

  • Creating logical flow diagrams showing data flow between system components

  • Designing logical architecture diagrams (abstract system structure)

  • Building BPMN process diagrams for business processes

  • Drawing UML diagrams (class, sequence, activity, state)

  • Creating data flow diagrams (DFD) for system analysis

  • Making decision flowcharts with branching logic

  • Visualizing system interactions and sequences

  • Documenting logical system design without cloud specifics

Do NOT use for:

  • AWS/Azure/GCP architecture diagrams (use aws-drawio-architecture-diagrams)

  • Infrastructure-specific diagrams

Instructions

Creating a Logical Diagram

  • Analyze the request: Understand the system/process to diagram

  • Choose diagram type: Flowchart, architecture, BPMN, UML, DFD, etc.

  • Identify elements: Determine actors, processes, data stores, connectors

  • Draft XML structure: Create the mxGraphModel with proper root cells

  • Add shapes: Create mxCell elements with appropriate styles

  • Add connectors: Link elements with edge elements

  • Validate XML: Ensure all tags are closed and IDs are unique

  • Output: Write the .drawio file for the user

Key XML Components

  • mxfile: Root element with host and version

  • diagram: Contains the diagram definition

  • mxGraphModel: Canvas settings (grid, page size)

  • root: Container for all cells (must include id="0" and id="1")

  • mxCell: Individual shapes (vertices) or connectors (edges)

Draw.io XML Structure

Every .drawio file follows this XML structure:

<mxfile host="app.diagrams.net" agent="Claude" version="24.7.17">
  <diagram id="logical-flow-1" name="Logical Flow">
    <mxGraphModel dx="1200" dy="800" grid="1" gridSize="10" guides="1"
      tooltips="1" connect="1" arrows="1" fold="1" page="1"
      pageScale="1" pageWidth="1169" pageHeight="827" math="0" shadow="0">
      <root>
        <mxCell id="0" />
        <mxCell id="1" parent="0" />
        <!-- Shapes and connectors here -->
      </root>
    </mxGraphModel>
  </diagram>
</mxfile>

Key rules:

  • IDs "0" and "1" are reserved for root cells

  • Use sequential integer IDs starting from "2"

  • Use landscape orientation for architecture diagrams

  • All coordinates must be positive and aligned to grid (multiples of 10)

Generic Shapes and Styles

Basic Shape Types

Shape Style

Rectangle rounded=0;whiteSpace=wrap;html=1;

Rounded Rectangle rounded=1;whiteSpace=wrap;html=1;

Ellipse/Circle ellipse;whiteSpace=wrap;html=1;

Diamond rhombus;whiteSpace=wrap;html=1;

Cylinder shape=cylinder3;whiteSpace=wrap;html=1;boundedLbl=1;

Hexagon shape=hexagon;perimeter=hexagonPerimeter2;whiteSpace=wrap;html=1;

Parallelogram shape=ext;double=1;rounded=0;whiteSpace=wrap;html=1;

Standard Color Palette

Element Type Fill Color Border Color Usage

Process #dae8fc (light blue) #6c8ebf Operations/actions

Decision #fff2cc (light yellow) #d6b656 Conditional branches

Start/End #d5e8d4 (light green) #82b366 Terminal states

Data/Store #e1f5fe (light cyan) #0277bd Databases/files

Entity #f3e5f5 (light purple) #7b1fa2 External systems

Error/Stop #f8cecc (light red) #b85450 Error states

Actor/User #ffe0b2 (light orange) #f57c00 Users/actors

Container #f5f5f5 (light gray) #666666 Grouping areas

Connector Styles

Standard flow:

edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;endArrow=classic;endFill=1;strokeColor=#666666;strokeWidth=2;

Dashed (alternative/optional):

edgeStyle=orthogonalEdgeStyle;dashed=1;dashPattern=5 5;strokeColor=#666666;

Arrow head styles:

  • endArrow=classic;endFill=1 - Filled triangle

  • endArrow=open;endFill=0 - Open arrow

  • endArrow=blockThin;endFill=1 - Block arrow

Diagram Types

1. Logical Flow Diagram

Shows the logical flow of data or processes through system components:

┌─────────┐     ┌─────────┐     ┌─────────┐
│  User   │────▶│ Service │────▶│  Data   │
└─────────┘     └─────────┘     └─────────┘

Key elements:

  • Actors/Users (orange)

  • Services/Processes (blue)

  • Data Stores (cyan)

  • External Systems (purple)

  • Data flows (solid arrows)

2. Logical Architecture Diagram

Abstract representation of system components:

┌─────────────────────────────────────────┐
│            Presentation Layer            │
│  ┌─────────────┐  ┌─────────────┐       │
│  │  Web UI     │  │  Mobile    │       │
│  └─────────────┘  └─────────────┘       │
└─────────────────────────────────────────┘
                    │
┌─────────────────────────────────────────┐
│            Application Layer             │
│  ┌─────────────┐  ┌─────────────┐       │
│  │   API       │  │  Business   │       │
│  │   Gateway   │  │   Logic     │       │
│  └─────────────┘  └─────────────┘       │
└─────────────────────────────────────────┘
                    │
┌─────────────────────────────────────────┐
│              Data Layer                  │
│  ┌─────────────┐  ┌─────────────┐       │
│  │  Database   │  │    Cache    │       │
│  └─────────────┘  └─────────────┘       │
└─────────────────────────────────────────┘

3. BPMN Process Diagram

Business process modeling:

Symbol Meaning

Circle Start/End Event

Rounded Rectangle Activity/Task

Diamond Gateway/Decision

Arrow Sequence Flow

4. UML Sequence Diagram

Interaction between components:

┌─────────┐     ┌─────────┐     ┌─────────┐
│  Actor  │     │Service A│     │Service B│
└────┬────┘     └────┬────┘     └────┬────┘
     │              │              │
     │─────────────▶│              │
     │              │─────────────▶│
     │              │◀─────────────│
     │◀─────────────│              │

5. Data Flow Diagram (DFD)

System data movement:

  • External Entity (square) - Sources/destinations

  • Process (circle/rounded) - Transformations

  • Data Store (open rectangle) - Storage

  • Data Flow (arrow) - Data movement

Shape Examples

Simple Process Box

<mxCell id="2" value="Process Name"
  style="rounded=1;whiteSpace=wrap;html=1;fillColor=#dae8fc;strokeColor=#6c8ebf;fontSize=12;"
  vertex="1" parent="1">
  <mxGeometry x="200" y="100" width="120" height="60" as="geometry" />
</mxCell>

Decision Diamond

<mxCell id="3" value="Decision?"
  style="rhombus;whiteSpace=wrap;html=1;fillColor=#fff2cc;strokeColor=#d6b656;fontSize=12;"
  vertex="1" parent="1">
  <mxGeometry x="280" y="200" width="80" height="80" as="geometry" />
</mxCell>

Start/End Oval

<mxCell id="4" value="Start"
  style="ellipse;whiteSpace=wrap;html=1;fillColor=#d5e8d4;strokeColor=#82b366;fontSize=12;"
  vertex="1" parent="1">
  <mxGeometry x="200" y="300" width="80" height="40" as="geometry" />
</mxCell>

Data Store (Cylinder)

<mxCell id="5" value="Database"
  style="shape=cylinder3;whiteSpace=wrap;html=1;boundedLbl=1;fillColor=#e1f5fe;strokeColor=#0277bd;fontSize=12;"
  vertex="1" parent="1">
  <mxGeometry x="400" y="100" width="60" height="80" as="geometry" />
</mxCell>

Connector/Arrow

<mxCell id="10"
  style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;endArrow=classic;endFill=1;strokeColor=#666666;strokeWidth=2;"
  edge="1" parent="1" source="2" target="3">
  <mxGeometry relative="1" as="geometry" />
</mxCell>

Label on Connector

<mxCell id="11" value="Data"
  style="text;html=1;align=center;verticalAlign=middle;fontSize=11;fontColor=#333333;labelBackgroundColor=#ffffff;"
  vertex="1" parent="1">
  <mxGeometry x="250" y="160" width="40" height="20" as="geometry" />
</mxCell>

Layout Best Practices

  • Flow direction: Left-to-right or top-to-bottom consistently

  • Spacing: 40-60px between elements, 20px inside containers

  • Grid alignment: All coordinates in multiples of 10

  • Label placement: Above horizontal arrows, right of vertical arrows

  • Container grouping: Use rounded rectangles for logical groupings

  • Balance: Keep diagrams centered, avoid extreme whitespace

Reference Files

For detailed templates and shape references, see:

Examples

Example 1: Simple Order Processing Flow

User Request: "Create a logical flow diagram showing order processing: customer submits order, system validates, if valid then processes payment and ships, if invalid notifies customer."

Generated XML:

<mxfile host="app.diagrams.net" agent="Claude" version="24.7.17">
  <diagram id="order-flow-1" name="Order Processing">
    <mxGraphModel dx="1200" dy="800" grid="1" gridSize="10" guides="1" tooltips="1" connect="1" arrows="1" fold="1" page="1" pageScale="1" pageWidth="1169" pageHeight="827" math="0" shadow="0">
      <root>
        <mxCell id="0" />
        <mxCell id="1" parent="0" />
        <!-- Start -->
        <mxCell id="2" value="Start"
          style="ellipse;whiteSpace=wrap;html=1;fillColor=#d5e8d4;strokeColor=#82b366;fontSize=12;"
          vertex="1" parent="1">
          <mxGeometry x="80" y="50" width="80" height="40" as="geometry" />
        </mxCell>
        <!-- Submit Order -->
        <mxCell id="3" value="Submit Order"
          style="rounded=1;whiteSpace=wrap;html=1;fillColor=#dae8fc;strokeColor=#6c8ebf;fontSize=12;"
          vertex="1" parent="1">
          <mxGeometry x="60" y="130" width="120" height="60" as="geometry" />
        </mxCell>
        <!-- Validate -->
        <mxCell id="4" value="Validate&#xa;Order?"
          style="rhombus;whiteSpace=wrap;html=1;fillColor=#fff2cc;strokeColor=#d6b656;fontSize=12;"
          vertex="1" parent="1">
          <mxGeometry x="80" y="230" width="80" height="80" as="geometry" />
        </mxCell>
        <!-- Invalid: Notify -->
        <mxCell id="5" value="Notify&#xa;Customer"
          style="rounded=1;whiteSpace=wrap;html=1;fillColor=#f8cecc;strokeColor=#b85450;fontSize=12;"
          vertex="1" parent="1">
          <mxGeometry x="220" y="240" width="100" height="50" as="geometry" />
        </mxCell>
        <!-- Valid: Process Payment -->
        <mxCell id="6" value="Process&#xa;Payment"
          style="rounded=1;whiteSpace=wrap;html=1;fillColor=#dae8fc;strokeColor=#6c8ebf;fontSize=12;"
          vertex="1" parent="1">
          <mxGeometry x="60" y="350" width="120" height="60" as="geometry" />
        </mxCell>
        <!-- Ship -->
        <mxCell id="7" value="Ship Order"
          style="rounded=1;whiteSpace=wrap;html=1;fillColor=#dae8fc;strokeColor=#6c8ebf;fontSize=12;"
          vertex="1" parent="1">
          <mxGeometry x="60" y="450" width="120" height="60" as="geometry" />
        </mxCell>
        <!-- End -->
        <mxCell id="8" value="End"
          style="ellipse;whiteSpace=wrap;html=1;fillColor=#d5e8d4;strokeColor=#82b366;fontSize=12;"
          vertex="1" parent="1">
          <mxGeometry x="80" y="550" width="80" height="40" as="geometry" />
        </mxCell>
        <!-- Connectors -->
        <mxCell id="10" style="edgeStyle=orthogonalEdgeStyle;rounded=0;endArrow=classic;endFill=1;strokeColor=#666666;strokeWidth=2;" edge="1" parent="1" source="2" target="3">
          <mxGeometry relative="1" as="geometry" />
        </mxCell>
        <mxCell id="11" style="edgeStyle=orthogonalEdgeStyle;rounded=0;endArrow=classic;endFill=1;strokeColor=#666666;strokeWidth=2;" edge="1" parent="1" source="3" target="4">
          <mxGeometry relative="1" as="geometry" />
        </mxCell>
        <mxCell id="12" value="No" style="edgeStyle=orthogonalEdgeStyle;rounded=0;endArrow=classic;endFill=1;strokeColor=#b85450;strokeWidth=2;fontSize=11;" edge="1" parent="1" source="4" target="5">
          <mxGeometry relative="1" as="geometry" />
        </mxCell>
        <mxCell id="13" value="Yes" style="edgeStyle=orthogonalEdgeStyle;rounded=0;endArrow=classic;endFill=1;strokeColor=#82b366;strokeWidth=2;fontSize=11;" edge="1" parent="1" source="4" target="6">
          <mxGeometry relative="1" as="geometry" />
        </mxCell>
        <mxCell id="14" style="edgeStyle=orthogonalEdgeStyle;rounded=0;endArrow=classic;endFill=1;strokeColor=#666666;strokeWidth=2;" edge="1" parent="1" source="6" target="7">
          <mxGeometry relative="1" as="geometry" />
        </mxCell>
        <mxCell id="15" style="edgeStyle=orthogonalEdgeStyle;rounded=0;endArrow=classic;endFill=1;strokeColor=#666666;strokeWidth=2;" edge="1" parent="1" source="7" target="8">
          <mxGeometry relative="1" as="geometry" />
        </mxCell>
        <mxCell id="16" style="edgeStyle=orthogonalEdgeStyle;rounded=0;endArrow=classic;endFill=1;strokeColor=#b85450;strokeWidth=2;" edge="1" parent="1" source="5" target="8">
          <mxGeometry relative="1" as="geometry" />
        </mxCell>
      </root>
    </mxGraphModel>
  </diagram>
</mxfile>

Example 2: Three-Tier Logical Architecture

User Request: "Create a logical architecture diagram for a web application with presentation, business logic, and data tiers."

Generated XML:

<mxfile host="app.diagrams.net" agent="Claude" version="24.7.17">
  <diagram id="three-tier-1" name="Three-Tier Architecture">
    <mxGraphModel dx="1200" dy="800" grid="1" gridSize="10" guides="1" tooltips="1" connect="1" arrows="1" fold="1" page="1" pageScale="1" pageWidth="1169" pageHeight="827" math="0" shadow="0">
      <root>
        <mxCell id="0" />
        <mxCell id="1" parent="0" />
        <!-- User -->
        <mxCell id="2" value="User"
          style="ellipse;whiteSpace=wrap;html=1;fillColor=#ffe0b2;strokeColor=#f57c00;fontSize=12;"
          vertex="1" parent="1">
          <mxGeometry x="40" y="340" width="60" height="40" as="geometry" />
        </mxCell>
        <!-- Presentation Layer -->
        <mxCell id="3" value="Presentation Layer"
          style="rounded=1;whiteSpace=wrap;html=1;fillColor=#f5f5f5;strokeColor=#666666;fontSize=14;fontStyle=1;"
          vertex="1" parent="1">
          <mxGeometry x="160" y="40" width="300" height="180" as="geometry" />
        </mxCell>
        <mxCell id="4" value="Web&#xa;Browser"
          style="rounded=1;whiteSpace=wrap;html=1;fillColor=#dae8fc;strokeColor=#6c8ebf;fontSize=12;"
          vertex="1" parent="3">
          <mxGeometry x="20" y="30" width="80" height="50" as="geometry" />
        </mxCell>
        <mxCell id="5" value="Mobile&#xa;App"
          style="rounded=1;whiteSpace=wrap;html=1;fillColor=#dae8fc;strokeColor=#6c8ebf;fontSize=12;"
          vertex="1" parent="3">
          <mxGeometry x="120" y="30" width="80" height="50" as="geometry" />
        </mxCell>
        <mxCell id="6" value="API&#xa;Client"
          style="rounded=1;whiteSpace=wrap;html=1;fillColor=#dae8fc;strokeColor=#6c8ebf;fontSize=12;"
          vertex="1" parent="3">
          <mxGeometry x="200" y="30" width="80" height="50" as="geometry" />
        </mxCell>
        <!-- Application Layer -->
        <mxCell id="7" value="Application Layer"
          style="rounded=1;whiteSpace=wrap;html=1;fillColor=#f5f5f5;strokeColor=#666666;fontSize=14;fontStyle=1;"
          vertex="1" parent="1">
          <mxGeometry x="160" y="260" width="300" height="180" as="geometry" />
        </mxCell>
        <mxCell id="8" value="API&#xa;Gateway"
          style="rounded=1;whiteSpace=wrap;html=1;fillColor=#fff2cc;strokeColor=#d6b656;fontSize=12;"
          vertex="1" parent="7">
          <mxGeometry x="20" y="30" width="80" height="50" as="geometry" />
        </mxCell>
        <mxCell id="9" value="Business&#xa;Logic"
          style="rounded=1;whiteSpace=wrap;html=1;fillColor=#dae8fc;strokeColor=#6c8ebf;fontSize=12;"
          vertex="1" parent="7">
          <mxGeometry x="110" y="30" width="80" height="50" as="geometry" />
        </mxCell>
        <mxCell id="10" value="Auth&#xa;Service"
          style="rounded=1;whiteSpace=wrap;html=1;fillColor=#fff2cc;strokeColor=#d6b656;fontSize=12;"
          vertex="1" parent="7">
          <mxGeometry x="200" y="30" width="80" height="50" as="geometry" />
        </mxCell>
        <!-- Data Layer -->
        <mxCell id="11" value="Data Layer"
          style="rounded=1;whiteSpace=wrap;html=1;fillColor=#f5f5f5;strokeColor=#666666;fontSize=14;fontStyle=1;"
          vertex="1" parent="1">
          <mxGeometry x="160" y="480" width="300" height="180" as="geometry" />
        </mxCell>
        <mxCell id="12" value="Primary&#xa;Database"
          style="shape=cylinder3;whiteSpace=wrap;html=1;boundedLbl=1;fillColor=#e1f5fe;strokeColor=#0277bd;fontSize=12;"
          vertex="1" parent="11">
          <mxGeometry x="20" y="30" width="60" height="80" as="geometry" />
        </mxCell>
        <mxCell id="13" value="Read&#xa;Replica"
          style="shape=cylinder3;whiteSpace=wrap;html=1;boundedLbl=1;fillColor=#e1f5fe;strokeColor=#0277bd;fontSize=12;"
          vertex="1" parent="11">
          <mxGeometry x="100" y="30" width="60" height="80" as="geometry" />
        </mxCell>
        <mxCell id="14" value="Cache&#xa;(Redis)"
          style="shape=cylinder3;whiteSpace=wrap;html=1;boundedLbl=1;fillColor=#fff3e0;strokeColor=#e65100;fontSize=12;"
          vertex="1" parent="11">
          <mxGeometry x="180" y="30" width="60" height="80" as="geometry" />
        </mxCell>
        <!-- Connectors -->
        <mxCell id="20" style="edgeStyle=orthogonalEdgeStyle;rounded=0;endArrow=classic;endFill=1;strokeColor=#666666;strokeWidth=2;" edge="1" parent="1" source="2" target="4">
          <mxGeometry relative="1" as="geometry" />
        </mxCell>
        <mxCell id="21" style="edgeStyle=orthogonalEdgeStyle;rounded=0;endArrow=classic;endFill=1;strokeColor=#666666;strokeWidth=2;" edge="1" parent="1" source="4" target="8">
          <mxGeometry relative="1" as="geometry" />
        </mxCell>
        <mxCell id="22" style="edgeStyle=orthogonalEdgeStyle;rounded=0;endArrow=classic;endFill=1;strokeColor=#666666;strokeWidth=2;" edge="1" parent="1" source="8" target="9">
          <mxGeometry relative="1" as="geometry" />
        </mxCell>
        <mxCell id="23" style="edgeStyle=orthogonalEdgeStyle;rounded=0;endArrow=classic;endFill=1;strokeColor=#666666;strokeWidth=2;" edge="1" parent="1" source="9" target="12">
          <mxGeometry relative="1" as="geometry" />
        </mxCell>
        <mxCell id="24" value="query" style="edgeStyle=orthogonalEdgeStyle;rounded=0;endArrow=open;endFill=0;strokeColor=#666666;strokeWidth=1;fontSize=10;dashed=1;" edge="1" parent="1" source="9" target="14">
          <mxGeometry relative="1" as="geometry" />
        </mxCell>
        <mxCell id="25" style="edgeStyle=orthogonalEdgeStyle;rounded=0;endArrow=classic;endFill=1;strokeColor=#666666;strokeWidth=2;" edge="1" parent="1" source="9" target="13">
          <mxGeometry relative="1" as="geometry" />
        </mxCell>
      </root>
    </mxGraphModel>
  </diagram>
</mxfile>

Example 3: Microservice Communication Flow

User Request: "Create a logical diagram showing microservice architecture with API gateway, multiple services, and message queue for async communication."

Reference: See diagram-templates.md for complete microservice template.

Constraints and Warnings

Critical Constraints

  • XML validity: Always close tags properly and escape special characters

  • Unique IDs: All cell IDs must be unique (except parent "0" and "1")

  • Valid references: Source/target must reference existing cell IDs

  • Positive coordinates: All x, y values must be >= 0

Warnings

  • XML files must be well-formed or will fail to open in draw.io

  • Invalid parent references cause elements to disappear

  • Negative coordinates place elements outside visible canvas

Best Practices

Visual Guidelines

  • Use consistent colors per element type

  • Keep arrows straight with minimal bends

  • Place labels at least 20px from arrow lines

  • Group related elements in containers

  • Use 12-14px font for labels, 10-11px for annotations

Accessibility

  • Use high contrast colors

  • Don't rely solely on color to convey meaning

  • Include text labels for all shapes

  • Add annotations for complex flows

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作成2026年3月17日
最終更新2026年3月17日