feat: 完善日月食与月掩几何链路并扩展历法接口
- 新增日月食中心带、偏食带、阴影足迹、等时线、食分线及升落边界计算,支持极区与混合食拓扑 - 新增日食单时刻阴影求解器、站心状态查询、批量采样和 ΔT 覆盖接口 - 重构恒星与行星月掩路径,补充有限盘面接触、站心修正、掩带宽度、极区投影及升落边界 - 扩展 SVG 与 GeoJSON 输出,支持详细面板、全球/极区/地球投影、边界闭合、时间标记和拓扑签名 - 扩展日月食候选搜索、局地搜索、沙罗序列预计算与范围外推,补充系列锚点和成员一致性校验 - 补齐古历纪年、儒略历独有闰日、多公历候选、历法改革跨日及精确日期运算接口 - 优化 ΔT、章动、恒星时、月球地平线、事件根搜索和本地星历缓存,降低重复计算开销并提升边界稳定
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package svg
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import (
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"testing"
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"time"
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)
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// 一秒步长请求曾经要跑满整条 18605 个瞬时足迹的扫描;夹到两分钟后应与默认请求同量级。
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func BenchmarkSolarEclipseMapSVGPartialStepOneSecond(b *testing.B) {
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date := time.Date(2024, time.April, 8, 0, 0, 0, 0, time.UTC)
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options := SolarEclipseMapSVGOptions{
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Width: 900, Height: 620, Location: time.UTC, PartialStep: time.Second,
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}
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b.ReportAllocs()
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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if _, ok := SolarEclipseMapSVG(date, options); !ok {
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b.Fatal("missing map")
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}
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}
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}
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func BenchmarkSolarEclipseMapSVG(b *testing.B) {
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for _, tc := range []struct {
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name string
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date time.Time
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}{
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{name: "2010Annular", date: time.Date(2010, time.January, 15, 0, 0, 0, 0, time.UTC)},
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{name: "2009Total", date: time.Date(2009, time.July, 22, 0, 0, 0, 0, time.UTC)},
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} {
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b.Run(tc.name, func(b *testing.B) {
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options := SolarEclipseMapSVGOptions{
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Width: 1200, Height: 800, Location: time.UTC,
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PartialStep: 2 * time.Minute, CentralStep: 2 * time.Minute,
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GreatestTimeStep: solarEclipseMapDefaultGreatestTimeStep,
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}
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b.ReportAllocs()
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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if _, ok := SolarEclipseMapSVG(tc.date, options); !ok {
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b.Fatal("missing map")
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}
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}
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})
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}
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}
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