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优化线路图

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CN-JS-HuiBai
2026-04-06 01:23:00 +08:00
parent c42d512dbd
commit 5fedaa299b
1 changed files with 36 additions and 1 deletions
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37
public/js/app.js
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@@ -782,6 +782,41 @@
const endCoords = getShiftedCoords(route.dest);
if (startCoords && endCoords) {
// Calculate direction and distance
const dx = endCoords[0] - startCoords[0];
const dy = endCoords[1] - startCoords[1];
// Identify major regions
const src = (route.source || '').toLowerCase();
const dst = (route.dest || '').toLowerCase();
const isUS = (n) => n.includes('united states') || n.includes('us ') || n.includes('seattle') || n.includes('san francisco') || n.includes('los angeles') || n.includes('new york') || n.includes('chicago');
const isJapan = (n) => n.includes('japan') || n.includes('tokyo');
const isAsia = (n) => n.includes('china') || n.includes('hong kong') || n.includes('singapore') || n.includes('korea') || n.includes('seoul') || n.includes('japan') || n.includes('tokyo') || n.includes('shanghai') || n.includes('beijing');
const isEurope = (n) => n.includes('germany') || n.includes('uk') || n.includes('france') || n.includes('london') || n.includes('frankfurt') || n.includes('paris') || n.includes('united kingdom');
// Determine base curveness to always bend North (Upward) for major East-West routes
// In this map: dx < 0 (Westward) -> negative curveness bends North
// dx > 0 (Eastward) -> positive curveness bends North
let baseCurve = 0.2;
if (dx < 0) baseCurve = -0.2;
// Special case: Trans-Pacific (US <-> Japan/Asia) - usually deeper curve
if ((isUS(src) && isAsia(dst)) || (isAsia(src) && isUS(dst))) {
baseCurve = (dx < 0 ? -0.35 : 0.35);
}
// Trans-Atlantic (US <-> Europe) - use coordinates to detect
else if ((isUS(src) && isEurope(dst)) || (isEurope(src) && isUS(dst))) {
baseCurve = (dx < 0 ? -0.25 : 0.25);
}
// Intra-Asia or shorter routes - flatter curve
else if (Math.abs(dx) < 50) {
baseCurve = (dx < 0 ? -0.15 : 0.15);
}
// Add variation for multiple lines to same destination
const finalCurve = baseCurve + (index * 0.04 * (baseCurve > 0 ? 1 : -1));
finalSeries.push({
type: 'lines',
coordinateSystem: 'geo',
@@ -798,7 +833,7 @@
lineStyle: {
color: 'rgba(99, 102, 241, 0.3)',
width: 2,
curveness: 0.2 + (index * 0.1) // Slightly different curves for clarity
curveness: finalCurve
},
tooltip: {
formatter: () => {