InvestiGraph

A investigation graph tool for mapping relationships between entities. rebuilt with Rust that which is orginally built with python.

Controls

Action	Control
Pan canvas	Left-click + drag (empty space)
Zoom	Scroll wheel (0.4x–2.0x)
Select node/edge	Left-click
Move node	Click + drag selected node
Create edge	Right-click source node → left-click target node
Delete selected	Delete key or trash icon
Add node	Add Node dropdown → choose type → click canvas
Save	File → Save
Load	File → Load
New	File → New
Cancel edge/placement	Escape

Overview

InvestiGraph allows investigators, analysts, and OSINT practitioners to visually map connections between people, organizations, devices, and other entities.

Features

• 10 Entity Types: Person (Male/Female), Organization, Email, Phone, Document, Database, Social Media, Location, Device
• Interactive Graph: Pan, zoom, drag nodes, create directed edges
• Properties Panel: Edit labels and notes for nodes and edges
• Save/Load: .investigraph JSON format with native file dialogs
• Unsaved Changes Tracking: Prompts before discarding work
• Zoom-Responsive: Nodes, icons, labels, edges, and arrowheads scale with zoom

Entity Colors

Entity	Color
Person (Male)	Blue
Person (Female)	Pink
Organization	Orange
Email	Green
Phone	Purple
Document	Yellow
Database	Gray
Social Media	Twitter Blue
Location	Teal
Device	Light Green

File Format

Saves use .investigraph extension (JSON internally). Includes:

• All nodes and edges
• Camera position and zoom
• Labels, notes, and properties

Building

Requirements

• Rust 1.70+
• Cargo

Build & Run

cargo build --release
cargo run

Dependencies

• macroquad — Rendering engine
• egui — Immediate mode GUI framework
• egui-macroquad — egui + macroquad integration
• serde + serde_json — Graph serialization
• rfd — Native file dialogs
• open — Open URLs in browser
• image — Icon decoding & processing

Build Dependencies

• image — Asset embedding at compile time
• embed-resource — Windows resource compilation

Project Structure

InvestiGraph/
│
├── src/
│   ├── main.rs              # Entry point, render loop, input handling
│   ├── settings.rs          # Constants, colors
│   ├── core/
│   │   ├── node.rs          # Node struct, entity types
│   │   ├── edge.rs          # Edge struct
│   │   ├── graph.rs         # Graph state management
│   │   └── mod.rs
│   ├── ui/
│   │   ├── ribbon.rs        # Top toolbar (File, Add Node, Help, Trash)
│   │   ├── properties_panel.rs  # Right-side panel for editing
│   │   ├── camera.rs        # Pan/zoom camera
│   │   └── mod.rs
│   └── utils/
│       ├── assets.rs        # AssetManager - embedded icon textures
│       ├── file_io.rs       # Save/Load operations
│       └── mod.rs
│
├── assets/
│   ├── icons/
│   │   ├── Database.png
│   │   ├── Device.png
│   │   ├── Document.png
│   │   ├── Email.png
│   │   ├── female.png
│   │   ├── Location.png
│   │   ├── male.png
│   │   ├── Organization.png
│   │   ├── Phone.png
│   │   ├── Social_Media.png
│   │   └── trash.png
│   ├── logo/
│   │   ├── icon.ico
│   │   ├── Icon.png
│   │   ├── Logo (Transparent).png
│   │   ├── Logo.png
│   │   └── main.ico
│   └── screenshots/
│       └── Screenshot 1.png
│
├── .cargo/
│   └── config.toml          # Static CRT linking for portable builds
│
├── app.rc                   # Windows resource file (icon embedding)
├── build.rs                 # Build script - embeds assets at compile time
├── Cargo.toml               # Project manifest & dependencies
├── LICENSE
└── README.md

License

GNU General Public License v3.0

Platform Support

• Windows
• Linux
• macOS

Issues & Bug Reports

Found a bug or have a feature request? Please open an issue on GitHub.