Graham McIntire
cd8d7a0f52
- Leaflet map on contact detail pages showing both station locations - SRTM elevation profile with Chart.js: terrain, LOS, Fresnel zone - Path info: distance, azimuth, elevation angle in both directions - Compact 4-column grid layout for contact details - Contact map page with all contacts plotted - Rename QSOs to Contacts in page header - Wrap algo page in standard layout
117 lines
3.6 KiB
JavaScript
117 lines
3.6 KiB
JavaScript
// Band MHz -> color mapping
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const BAND_COLORS = {
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1296: "#94a3b8", // slate
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2304: "#a78bfa", // violet
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3456: "#818cf8", // indigo
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5760: "#60a5fa", // blue
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10000: "#34d399", // emerald
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24000: "#fbbf24", // amber
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47000: "#fb923c", // orange
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68000: "#f87171", // red
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75000: "#e879f9", // fuchsia
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122000: "#f472b6", // pink
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134000: "#fb7185", // rose
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241000: "#ff5555", // bright red
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}
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const BAND_LABELS = {
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1296: "1296 MHz", 2304: "2304 MHz", 3456: "3456 MHz", 5760: "5760 MHz",
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10000: "10 GHz", 24000: "24 GHz", 47000: "47 GHz", 68000: "68 GHz",
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75000: "76 GHz", 122000: "122 GHz", 134000: "134 GHz", 241000: "241 GHz"
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}
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function bandColor(band) {
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return BAND_COLORS[band] || "#64748b"
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}
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export const ContactsMap = {
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mounted() {
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const contacts = JSON.parse(this.el.dataset.contacts)
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this.map = L.map(this.el, {
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center: [37.5, -96],
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zoom: 5,
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minZoom: 3,
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maxZoom: 14,
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preferCanvas: true
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})
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L.tileLayer("https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png", {
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attribution: "© OpenStreetMap contributors",
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maxZoom: 19
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}).addTo(this.map)
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// Group contacts by band for layered rendering
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const byBand = {}
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for (const c of contacts) {
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const band = c[4]
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if (!byBand[band]) byBand[band] = []
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byBand[band].push(c)
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}
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// Collect all endpoint coords for endpoint density layer
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const endpointCounts = {}
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// Draw lines per band using canvas polylines
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const bandLayers = {}
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for (const [band, entries] of Object.entries(byBand)) {
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const color = bandColor(parseInt(band))
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const lines = []
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for (const c of entries) {
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const [lat1, lon1, lat2, lon2] = c
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lines.push(L.polyline([[lat1, lon1], [lat2, lon2]], {
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color: color,
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weight: 1,
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opacity: 0.4,
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interactive: false
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}))
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// Track endpoints
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const k1 = `${lat1.toFixed(2)},${lon1.toFixed(2)}`
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const k2 = `${lat2.toFixed(2)},${lon2.toFixed(2)}`
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endpointCounts[k1] = (endpointCounts[k1] || 0) + 1
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endpointCounts[k2] = (endpointCounts[k2] || 0) + 1
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}
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const layer = L.layerGroup(lines)
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bandLayers[band] = layer
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layer.addTo(this.map)
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}
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// Draw endpoint dots sized by density
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const dotLayer = L.layerGroup()
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for (const [key, count] of Object.entries(endpointCounts)) {
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const [lat, lon] = key.split(",").map(Number)
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const radius = Math.min(2 + Math.log2(count) * 1.5, 10)
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L.circleMarker([lat, lon], {
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radius: radius,
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color: "#fff",
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weight: 1,
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fillColor: "#3b82f6",
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fillOpacity: 0.7,
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interactive: false
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}).addTo(dotLayer)
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}
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dotLayer.addTo(this.map)
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// Build legend
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const legend = L.control({position: "bottomright"})
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legend.onAdd = function() {
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const div = L.DomUtil.create("div")
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div.style.cssText = "background:rgba(30,30,40,0.9);color:#fff;padding:8px 12px;border-radius:8px;font-size:11px;line-height:1.6;"
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const sorted = Object.entries(byBand).sort((a, b) => parseInt(a[0]) - parseInt(b[0]))
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let html = "<div style='font-weight:700;margin-bottom:4px;'>Bands</div>"
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for (const [band, entries] of sorted) {
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const color = bandColor(parseInt(band))
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const label = BAND_LABELS[parseInt(band)] || band + " MHz"
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html += `<div><span style="display:inline-block;width:14px;height:3px;background:${color};margin-right:6px;vertical-align:middle;border-radius:1px;"></span>${label} (${entries.length.toLocaleString()})</div>`
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}
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div.innerHTML = html
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return div
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}
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legend.addTo(this.map)
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}
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}
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