57 lines
1017 B
Go
57 lines
1017 B
Go
package extract
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import (
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"os"
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log "github.com/sirupsen/logrus"
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"github.com/xuri/excelize/v2"
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)
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// 卫星时间起点 北京时间 2000-01-01 20:00:00
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var (
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ReferenceTime2000 = 946728000
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)
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func (e Extractor) ExtractAux(auxfile, xlsxfile string) error {
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os.Remove(xlsxfile)
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if err := createAuxXlsx(xlsxfile); err != nil {
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return err
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}
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f, err := excelize.OpenFile(xlsxfile)
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if err != nil {
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return err
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}
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defer f.Close()
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data, err := os.ReadFile(auxfile)
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if err != nil {
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log.Println("read aux data from", auxfile, "error:", err.Error())
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return err
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}
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row := 2
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col := 1
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for i := 0; i < len(data); i += 24 + 128 + 512 {
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if i+24+128+512 > len(data) {
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break
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}
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var head AuxFrameHead
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head.Decode(data[i : i+24])
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l0, _ := head.SaveXlsx(f, col, row)
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var box AuxFocalBox
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box.Decode(data[i+24 : i+24+128])
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l1, _ := box.SaveXlsx(f, col+l0, row)
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var plat AuxPlatform
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plat.Decode(data[i+24+128 : i+24+128+512])
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plat.SaveXlsx(f, col+l0+l1, row)
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row++
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}
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return f.Save()
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}
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