03. System Context

Context Diagram

┌──────────┐   commands (L, R, M)    ┌──────────────────────────┐
│ Operator │ ──────────────────────▶ │  Mars Rover Control      │
│          │ ◀────────────────────── │  System                  │
└──────────┘   final positions       └────────────┬─────────────┘
                                                  │ validates positions
                                                  ▼
                                     ┌────────────────────────┐
                                     │  Mars Plateau          │
                                     │  (in-memory grid)      │
                                     └────────────────────────┘

External Interfaces

Operator → System (stdin)

Aspect	Detail
Channel	Standard input
Format	Plain text — plateau dimensions on line 1, then pairs of (initial position line, command string line) per rover
Example input	5 5 → 1 2 N → LMLMLMLMM

System → Operator (stdout)

Aspect	Detail
Channel	Standard output
Format	One line per rover: x y HEADING
Example output	1 3 N

What is NOT in scope

• No network communication

• No persistent storage

• No GUI

• No concurrent or real-time rover control