examples.yaml

backend: "mermaid"  # Options: mermaid, graphviz, plantuml, diagrams

generation:
  count: 5
  order: "medium"        # Number of nodes: small(8-12), medium(12-16), large(16-20)
  split_arrow: 1         # Number of split arrows
  merge_arrow: 1         # Number of merge arrows
  branch: 3              # Branch factor (number of outgoing edges per node)
  nest: 1                # Number of nested subgraphs
  density: 1.7           # Edge-to-node ratio
  no_edge_label: 0       # Proportion of edges without labels (increases QA difficulty)

Disturbance:
  handwritten_style: false    # true/false: use handwritten-style font (increases parsing difficulty)

Scanned_style:
  enable: false                  # Enable scanned-style effects
  blur_radius: 1.0               # Blur radius in pixels (typical 0.8 ~ 2.0)
  vignette: 0.3                  # Vignette intensity 0~1, simulates corner shading
  rotation: 1.5                  # Maximum random rotation in degrees (typical 0~3)
  perspective_distortion: true   # Enable slight affine/perspective distortion
  color_tint: "yellowish"        # "gray" for grayscale, "yellowish" for warm tint
  noise_level: 0.01              # Amount of scan noise (typical 0~0.1)
  compression_level: 5           # Simulate compression (JPEG quality 0-100, lower=more blur)

graph:
  # title and description can use placeholders replaced in main.py
  title: "Auto Flowchart ({scale}) - #{count}"
  description: "This flowchart has {num_nodes} nodes, split arrows: {split_arrow}, merge arrows: {merge_arrow}, branch: {branch}, nested: {nest}, density: {density}, no-label edge ratio: {no_edge_label_ratio}."

output:
  path: "./output/{backend}/hard/{backend}.png"  # Relative path template for output
  render: true      # true: render as image; false: only generate description file (.mmd, .puml, .dot)
                    # For diagrams, render=true/false behaves the same (always generates image).
                    # Has higher priority than Scanned_style

plantuml:
  # Replace with your actual path to plantuml.jar
  jar_path: "./tools/plantuml-1.2025.3.jar"  # Example path for macOS/Linux