Initial commit with Dockerfile and demo code
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/**
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* One machine, built from primitives.
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*
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* Geometry is boxes and cylinders on purpose. Sourcing or modelling CAD-accurate
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* machines is a day of work that adds nothing to the argument being made, and it
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* is the classic way a two-day demo becomes a four-day demo.
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*
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* What the geometry DOES carry is state, three ways: a status-coloured status bar
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* on the machine, a pulse when it is stopped on a fault, and - the detail that
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* lands with maintenance engineers - a physical shake on CNC-02 that scales with
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* measured bearing vibration.
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*/
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import { useMemo, useRef } from 'react';
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import { useFrame } from '@react-three/fiber';
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import { Html } from '@react-three/drei';
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import { stateMeta } from '../lib/format.js';
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function Body({ w, h, d, y, color, roughness = 0.6, metalness = 0.35 }) {
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return (
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<mesh position={[0, y, 0]} castShadow receiveShadow>
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<boxGeometry args={[w, h, d]} />
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<meshStandardMaterial color={color} roughness={roughness} metalness={metalness} />
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</mesh>
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);
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}
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/** Per-kind machine shape. */
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function Machine({ kind, station, spinRef }) {
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const shell = '#4a4941';
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const dark = '#2f2e28';
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switch (kind) {
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case 'conveyor':
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return (
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<group>
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<Body w={1.9} h={0.5} d={1.3} y={0.25} color={shell} />
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{[-0.5, 0, 0.5].map((x) => (
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<mesh key={x} position={[x, 0.56, 0]} rotation={[0, 0, Math.PI / 2]}>
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<cylinderGeometry args={[0.09, 0.09, 1.15, 14]} />
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<meshStandardMaterial color={dark} roughness={0.5} metalness={0.6} />
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</mesh>
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))}
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</group>
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);
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case 'cnc':
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return (
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<group>
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<Body w={2.0} h={1.5} d={1.5} y={0.75} color={shell} />
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{/* enclosure window */}
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<mesh position={[0, 0.95, 0.77]}>
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<boxGeometry args={[1.3, 0.6, 0.03]} />
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<meshStandardMaterial color="#1b2a33" roughness={0.2} metalness={0.5} />
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</mesh>
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{/* spindle, rotates while cutting */}
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<group ref={spinRef} position={[0, 1.62, 0]}>
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<mesh castShadow>
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<cylinderGeometry args={[0.17, 0.17, 0.42, 18]} />
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<meshStandardMaterial color="#6d6a5e" roughness={0.35} metalness={0.8} />
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</mesh>
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<mesh position={[0, -0.3, 0]}>
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<cylinderGeometry args={[0.05, 0.05, 0.24, 12]} />
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<meshStandardMaterial color="#9a978c" roughness={0.25} metalness={0.9} />
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</mesh>
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</group>
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</group>
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);
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case 'oven': {
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// Zone glow follows burner duty, so a saturated burner visibly runs hot.
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const duty = (station.signals.burnerDuty || 0) / 100;
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return (
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<group>
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<Body w={2.6} h={1.25} d={1.5} y={0.62} color="#514f45" />
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{/* tunnel mouth */}
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<mesh position={[0, 0.62, 0.76]}>
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<boxGeometry args={[2.1, 0.42, 0.04]} />
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<meshStandardMaterial color="#120e0b" roughness={0.9} />
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</mesh>
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{/* three zone strips on the roof */}
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{[-0.75, 0, 0.75].map((x, i) => (
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<mesh key={x} position={[x, 1.27, 0]}>
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<boxGeometry args={[0.62, 0.06, 1.2]} />
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<meshStandardMaterial
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color="#8a3a10"
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emissive="#ff6a1a"
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emissiveIntensity={0.15 + duty * 1.5}
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roughness={0.6}
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/>
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</mesh>
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))}
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</group>
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);
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}
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case 'inspection':
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return (
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<group>
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<Body w={1.7} h={0.45} d={1.3} y={0.22} color={shell} />
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{/* gantry */}
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{[-0.6, 0.6].map((x) => (
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<mesh key={x} position={[x, 1.05, 0]}>
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<boxGeometry args={[0.11, 1.25, 0.11]} />
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<meshStandardMaterial color={dark} roughness={0.5} metalness={0.6} />
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</mesh>
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))}
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<mesh position={[0, 1.7, 0]}>
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<boxGeometry args={[1.35, 0.12, 0.3]} />
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<meshStandardMaterial color={dark} roughness={0.5} metalness={0.6} />
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</mesh>
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{/* camera + light cone */}
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<mesh position={[0, 1.5, 0]}>
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<cylinderGeometry args={[0.11, 0.11, 0.24, 14]} />
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<meshStandardMaterial color="#23221d" roughness={0.4} metalness={0.7} />
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</mesh>
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<mesh position={[0, 1.05, 0]}>
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<coneGeometry args={[0.34, 0.72, 20, 1, true]} />
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<meshStandardMaterial
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color="#7ec8ff"
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emissive="#4aa8ff"
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emissiveIntensity={station.online ? 0.5 : 0}
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transparent
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opacity={station.online ? 0.16 : 0.03}
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side={2}
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/>
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</mesh>
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</group>
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);
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case 'packer':
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return (
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<group>
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<Body w={1.9} h={1.15} d={1.4} y={0.57} color={shell} />
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{/* film roll */}
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<mesh position={[0.55, 1.35, 0]} rotation={[Math.PI / 2, 0, 0]} castShadow>
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<cylinderGeometry args={[0.28, 0.28, 0.85, 20]} />
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<meshStandardMaterial color="#b9b2a2" roughness={0.85} />
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</mesh>
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<mesh position={[-0.5, 1.22, 0]}>
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<boxGeometry args={[0.75, 0.14, 1.0]} />
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<meshStandardMaterial color={dark} roughness={0.55} metalness={0.5} />
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</mesh>
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</group>
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);
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default:
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return <Body w={1.8} h={1} d={1.3} y={0.5} color={shell} />;
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}
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}
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export function Station({ station, spec, x, selected, onSelect }) {
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const group = useRef(null);
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const spinRef = useRef(null);
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const barRef = useRef(null);
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const sm = stateMeta(station.state);
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const stopped = station.state === 'fault' || station.state === 'down';
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// Shake amplitude from measured vibration, above the healthy baseline.
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const shake = useMemo(() => {
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if (station.kind !== 'cnc') return 0;
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const v = station.signals.vibration || 0;
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return Math.max(0, v - 2.0) * 0.011;
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}, [station.kind, station.signals.vibration]);
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const running = station.state === 'running';
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useFrame((state, dt) => {
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const t = state.clock.elapsedTime;
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if (group.current) {
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group.current.position.x = x + (shake ? Math.sin(t * 47) * shake : 0);
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group.current.position.z = shake ? Math.cos(t * 61) * shake : 0;
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}
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if (spinRef.current && running) {
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spinRef.current.rotation.y += dt * 14;
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}
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// A stopped station pulses, so it draws the eye from across the room.
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if (barRef.current) {
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const mat = barRef.current.material;
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mat.emissiveIntensity = stopped ? 0.7 + Math.sin(t * 5) * 0.6 : 0.65;
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}
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});
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return (
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<group ref={group} position={[x, 0, 0]}>
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<group onClick={(e) => { e.stopPropagation(); onSelect(station.id); }}>
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<Machine kind={station.kind} station={station} spinRef={spinRef} />
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{/* status bar: the machine's own state light */}
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<mesh ref={barRef} position={[0, 0.06, 0.8]}>
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<boxGeometry args={[1.5, 0.09, 0.09]} />
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<meshStandardMaterial color={sm.color} emissive={sm.color} emissiveIntensity={0.65} />
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</mesh>
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{/* selection ring */}
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{selected && (
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<mesh position={[0, 0.02, 0]} rotation={[-Math.PI / 2, 0, 0]}>
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<ringGeometry args={[1.35, 1.5, 48]} />
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<meshBasicMaterial color="#ffffff" transparent opacity={0.5} side={2} />
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</mesh>
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)}
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</group>
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{/* Labels are DOM, not 3D text: drei's <Text> fetches a font from a CDN,
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which would fail in an offline demo room. */}
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<Html position={[0, 2.32, 0]} center distanceFactor={12} zIndexRange={[10, 0]} pointerEvents="none">
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<div style={{
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textAlign: 'center', whiteSpace: 'nowrap', userSelect: 'none',
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fontFamily: 'system-ui, sans-serif',
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}}>
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<div style={{
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fontSize: 13, fontWeight: 700, letterSpacing: '0.03em',
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color: selected ? '#ffffff' : '#d8d6cc',
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textShadow: '0 1px 4px rgba(0,0,0,0.9)',
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}}>{station.id}</div>
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<div style={{
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fontSize: 11, fontWeight: 600, color: sm.color,
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textShadow: '0 1px 4px rgba(0,0,0,0.9)',
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}}>{station.online ? sm.label : 'No data'}</div>
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</div>
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</Html>
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</group>
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);
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}
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