InvestiGraph

An investigation graph tool built with Pygame — visualize and connect entities like people, organizations, emails, phones, documents, databases, and social media accounts.

Screenshots

Features

• 10 Entity Types — Person (Male/Female), Organization, Email, Phone, Document, Database, Social Media, Device, Location
• Visual Graph — Drag nodes, create directed edges, pan/zoom canvas
• Properties Panel — Edit labels, properties, and multi-line notes for each node
• Edge Labels — Name your relationships
• Save/Load — Native .investigraph file format
• Unsaved Changes Tracking — Never lose work
• Zoom-Responsive UI — Everything scales smoothly

Controls

Action	Control
Pan canvas	Left-click + drag (empty space)
Zoom	Scroll wheel
Select node/edge	Left-click
Move node	Click + drag selected node
Create edge	Right-click source node → move mouse → right-click target node
Delete selection	Delete key or trash icon
Add node	Click "Add Node" → choose type → click on canvas

File Menu

• New — Clear current graph (prompts to save if unsaved)
• Save — Save to .investigraph file
• Load — Load from .investigraph file

Installation

git clone https://github.com/mohammedfarhannp/InvestiGraph.git
cd InvestiGraph
pip install -r requirements.txt
python main.py

Requirements

• Python 3.8+
• Pygame 2.5+
• tkinter (included with Python)

Project Structure

InvestiGraph/
├── core/           # Node, Edge classes
├── entities/       # Entity types (Person, Email, etc.)
├── ui/             # Canvas, Camera, Ribbon, Properties Panel
├── utils/          # File I/O helpers
├── assets/icons/   # 24x24 PNG icons
├── saves/          # Default save location
├── main.py
└── settings.py

License

This project is licensed under the GNU General Public License v3.0 - see the LICENSE file for details.

Author

Mohammed Farhan N P