fitsio is a pure-Go package to read and write FITS files.
$ go get github.com/astrogo/fitsiohttps://godoc.org/github.com/astrogo/fitsio
astrogo/fitsio is released under BSD-3.
Please send a pull request to astrogo/license,
adding yourself to the AUTHORS and/or CONTRIBUTORS file.
import fits "github.com/astrogo/fitsio"
func dumpFitsTable(fname string) {
r, err := os.Open(fname)
if err != nil {
panic(err)
}
defer r.Close()
f, err := fits.Open(r)
if err != nil {
panic(err)
}
defer f.Close()
// get the second HDU
table := f.HDU(1).(*fits.Table)
nrows := table.NumRows()
rows, err := table.Read(0, nrows)
if err != nil {
panic(err)
}
defer rows.Close()
for rows.Next() {
var x, y float64
var id int64
err = rows.Scan(&id, &x, &y)
if err != nil {
panic(err)
}
fmt.Printf(">>> %v %v %v\n", id, x, y)
}
err = rows.Err()
if err != nil { panic(err) }
// using a struct
xx := struct{
Id int `fits:"ID"`
X float64 `fits:"x"`
Y float64 `fits:"y"`
}{}
// using a map
yy := make(map[string]interface{})
rows, err = table.Read(0, nrows)
if err != nil {
panic(err)
}
defer rows.Close()
for rows.Next() {
err = rows.Scan(&xx)
if err != nil {
panic(err)
}
fmt.Printf(">>> %v\n", xx)
err = rows.Scan(&yy)
if err != nil {
panic(err)
}
fmt.Printf(">>> %v\n", yy)
}
err = rows.Err()
if err != nil { panic(err) }
}[DONE]add support for writing tables from structs[DONE]add support for writing tables from maps[DONE]add support for variable length array- provide benchmarks wrt
CFITSIO - add support for
TUNITn - add support for
TSCALn - add suport for
TDIMn - add support for (fast, low-level) copy of
FITStables
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