Pattern Card — Denied / Contested Zone Crosshatch

Crosshatch encodes denied, contested, blackout, fire-control, or degraded sensing zones. High-contrast red family; never feathered.

Visual

Doctrine rules

• Rendered as layer 6 (blend: normal, opacity 100%).
• Geometry must remain legible above hillshade and below live-track icons.
• Stroke and fill are restricted to the denied red family (see tokens.json → palettes.denied_red_family).
• Crosshatch angle is 45° by default, with optional perpendicular cross-stroke. No painterly variants.

Prohibited

• Feathered or blurred edges (boundary clarity is operationally critical)
• Low-contrast alternatives (purple, gray, faint red)
• Decorative pattern fills (dots, waves, gradients)
• Animated denied zones (no flashing, no pulsing — distracts and delegitimizes)

Why these rules

A denied zone is not a stylistic choice. An operator needs to know — instantly and without ambiguity — that crossing this boundary triggers an operational consequence. Crosshatch is the established convention; deviation costs lives.

Tokens reference

tokens.json → palettes.denied_red_family.