starainrt
3ffdbe0034
- 新增日食、月食、本地可见性、中心线、半影区域、SVG 图示与沙罗周期信息 - 新增行星冲合、留、方照、物理星历、视直径、相位、亮肢角、轨道节点等计算 - 新增木星伽利略卫星位置、现象与接触事件计算 - 新增恒星星表、星座判定、自行修正与观测辅助能力 - 新增 coord、formula、orbit、sundial、lite/sun、lite/moon 等扩展包 - 完善农历年号、月相英文别名、视差角、大气质量、折射、日晷与双星计算 - 增加 NASA、JPL Horizons、IMCCE 等回归测试数据与基线测试 - 重构基础算法文件组织，补充大量公开 API 注释和语义回归测试 - 更新中文和英文 README，补充示例、精度说明、SVG 配图
38 lines
938 B
Go
38 lines
938 B
Go
package planet
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import "fmt"
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type coordSeriesView struct {
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orders [6][]float64
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}
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type planetView struct {
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scale float64
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coords [3]coordSeriesView
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}
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var planetViews = buildPlanetViews(planetRawData)
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func buildPlanetViews(rawData [][]float64) []planetView {
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views := make([]planetView, len(rawData))
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for bodyIndex, raw := range rawData {
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if len(raw) < 20 {
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panic(fmt.Sprintf("planet raw data %d too short: %d", bodyIndex, len(raw)))
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}
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view := planetView{scale: raw[0]}
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for zn := 0; zn < 3; zn++ {
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pn := zn*6 + 1
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for order := 0; order < 6; order++ {
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start := int(raw[pn+order])
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end := int(raw[pn+order+1])
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if start < 0 || end < start || end > len(raw) {
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panic(fmt.Sprintf("planet raw data %d coord %d order %d invalid cut: %d..%d (len=%d)", bodyIndex, zn, order, start, end, len(raw)))
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}
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view.coords[zn].orders[order] = raw[start:end]
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}
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}
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views[bodyIndex] = view
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}
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return views
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}
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