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epsg.go
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//nolint:gomnd,goerr113,forcetypeassert,gochecknoglobals,lll,funlen,gocognit,gocyclo,cyclop,ireturn,maintidx
package wgs84
import (
"fmt"
"sync"
)
var crsStore sync.Map
func EPSG(code int) CRS {
if crs, ok := crsStore.Load(code); ok {
return crs.(CRS)
}
var crs CRS
switch code {
case 2154:
crs = LambertConformalConic2SP(EPSG(4171), 3, 46.5, 49, 44, 700000, 6600000)
case 2157:
crs = TransverseMercator(EPSG(4173), -8, 53.5, 0.99982, 600000, 750000)
case 2158:
crs = TransverseMercator(EPSG(4173), -9, 0, 0.9996, 500000, 0)
case 3035:
crs = LambertAzimuthalEqualArea(EPSG(4258), 10, 52, 4321000, 3210000)
case 3126:
crs = TransverseMercator(EPSG(4258), 19, 0, 1, 500000, 0)
case 3127:
crs = TransverseMercator(EPSG(4258), 20, 0, 1, 500000, 0)
case 3128:
crs = TransverseMercator(EPSG(4258), 21, 0, 1, 500000, 0)
case 3129:
crs = TransverseMercator(EPSG(4258), 22, 0, 1, 500000, 0)
case 3130:
crs = TransverseMercator(EPSG(4258), 23, 0, 1, 500000, 0)
case 3131:
crs = TransverseMercator(EPSG(4258), 24, 0, 1, 500000, 0)
case 3132:
crs = TransverseMercator(EPSG(4258), 25, 0, 1, 500000, 0)
case 3133:
crs = TransverseMercator(EPSG(4258), 26, 0, 1, 500000, 0)
case 3134:
crs = TransverseMercator(EPSG(4258), 27, 0, 1, 500000, 0)
case 3135:
crs = TransverseMercator(EPSG(4258), 28, 0, 1, 500000, 0)
case 3136:
crs = TransverseMercator(EPSG(4258), 29, 0, 1, 500000, 0)
case 3137:
crs = TransverseMercator(EPSG(4258), 30, 0, 1, 500000, 0)
case 3138:
crs = TransverseMercator(EPSG(4258), 31, 0, 1, 500000, 0)
case 3161:
crs = LambertConformalConic2SP(EPSG(4269), -85, 0, 44.5, 53.5, 930000, 6430000)
case 3416:
crs = LambertConformalConic2SP(EPSG(4258), 13.33333333333333, 47.5, 49, 46, 400000, 400000)
case 3857:
crs = WebMercator(EPSG(4326))
case 4156:
crs = Geographic(Helmert(589, 76, 480, 0, 0, 0, 0), NewSpheroid(6377397.155, 299.1528128))
case 4171:
crs = Geographic(EPSG(4978), NewSpheroid(6378137, 298.257222101))
case 4173:
crs = Geographic(EPSG(4978), NewSpheroid(6378137, 298.257222101))
case 4188:
crs = Geographic(Helmert(482.5, -130.6, 564.6, -1.042, -0.214, -0.631, 8.15), NewSpheroid(6377563.396, 299.3249646))
case 4230:
crs = Geographic(Helmert(-87, -98, -121, 0, 0, 0, 0), NewSpheroid(6378388, 297))
case 4258:
crs = Geographic(EPSG(4978), NewSpheroid(6378137, 298.257222101))
// case 4267:
// crs = loadNTv2("NTv2_0.gsb", NewSpheroid(6378206.4, 294.978698213898), EPSG(4326))
case 4269:
crs = Geographic(EPSG(4978), NewSpheroid(6378137, 298.257222101))
case 4277:
crs = loadNTv2("OSTN15_NTv2_OSGBtoETRS.gsb", NewSpheroid(6377563.396, 299.3249646), EPSG(4326))
case 4299:
crs = Geographic(Helmert(482.5, -130.6, 564.6, -1.042, -0.214, -0.631, 8.15), NewSpheroid(6377340.189, 299.3249646))
case 4300:
crs = EPSG(4299)
case 4312:
crs = Geographic(Helmert(577.326, 90.129, 463.919, 5.137, 1.474, 5.297, 2.4232), NewSpheroid(6377397.155, 299.1528128))
case 4313:
crs = Geographic(Helmert(-106.8686, 52.2978, -103.7239, 0.3366, -0.457, 1.8422, -1.2747), NewSpheroid(6378388, 297))
case 4314:
crs = loadNTv2("BeTA2007.gsb", NewSpheroid(6377397.155, 299.1528128), EPSG(4326))
case 4326:
crs = Geographic(EPSG(4978), NewSpheroid(6378137, 298.257223563))
case 4490:
crs = Geographic(EPSG(4978), NewSpheroid(6378137, 298.257222101))
case 4549:
crs = TransverseMercator(EPSG(4490), 120, 0, 1, 500000, 0)
case 4978:
crs = base{}
case 5514:
crs = Krovak(EPSG(4156), 24.8333333333333, 49.5, 30.2881397527778, 78.5, 0.9999, 0, 0)
case 6318:
crs = Geographic(EPSG(4978), NewSpheroid(6378137, 298.257222101))
case 6355:
crs = TransverseMercator(EPSG(6318), -85.8333333333333, 30.5, 0.99996, 200000, 0)
case 6356:
crs = TransverseMercator(EPSG(6318), -87.5, 30, 0.999933333, 600000, 0)
case 6414:
crs = AlbersConicEqualArea(EPSG(6318), -120, 0, 34, 40.5, 0, -4000000)
case 23090:
crs = TransverseMercator(EPSG(4230), 0, 0, 0.9996, 500000, 0)
case 26917:
crs = TransverseMercator(EPSG(4269), -81, 0, 0.9996, 500000, 0)
case 27700:
crs = TransverseMercator(EPSG(4277), -2, 49, 0.9996012717, 400000, -100000)
case 29901:
crs = TransverseMercator(EPSG(4188), -8, 53.5, 1, 200000, 250000)
case 29902:
crs = TransverseMercator(EPSG(4299), -8, 53.5, 1.000035, 200000, 250000)
case 29903:
crs = TransverseMercator(EPSG(4300), -8, 53.5, 1.000035, 200000, 250000)
case 31257:
crs = TransverseMercator(EPSG(4312), 10.33333333333333, 0, 1, 150000, -5000000)
case 31258:
crs = TransverseMercator(EPSG(4312), 13.33333333333333, 0, 1, 450000, -5000000)
case 31259:
crs = TransverseMercator(EPSG(4312), 16.33333333333333, 0, 1, 750000, -5000000)
case 31284:
crs = TransverseMercator(EPSG(4312), 10.33333333333333, 0, 1, 150000, 0)
case 31285:
crs = TransverseMercator(EPSG(4312), 13.33333333333333, 0, 1, 450000, 0)
case 31286:
crs = TransverseMercator(EPSG(4312), 16.33333333333333, 0, 1, 750000, 0)
case 31287:
crs = LambertConformalConic2SP(EPSG(4312), 13.33333333333333, 47.5, 49, 46, 400000, 400000)
case 31370:
crs = LambertConformalConic2SP(EPSG(4313), 4.36748666666667, 90, 51.1666672333333, 49.8333339, 150000.013, 5400088.438)
// case 32024:
// crs = LambertConformalConic2SP(EPSG(4267), -98, 35, 35.5666666666667, 36.7666666666667, 2000000, 0)
case 102109:
crs = TransverseMercator(EPSG(4258), 15, 0, 0.9999, 500000, -5000000)
case 102157:
crs = TransverseMercator(EPSG(4258), 21, 0, 0.9999, 7500000, 0)
case 102173:
crs = TransverseMercator(EPSG(4258), 19, 0, 0.9993, 500000, -5300000)
case 900913:
crs = EPSG(3857)
default:
switch {
case code > 3941 && code < 3951:
lat := float64(code - 3900)
crs = LambertConformalConic2SP(EPSG(4171), 3, lat, lat-0.75, lat+0.75, 1700000, 2200000+(lat-43)*1000000)
case code > 25827 && code < 25839:
zone := float64(code - 25800)
crs = TransverseMercator(EPSG(4258), zone*6-183, 0, 0.9996, 500000, 0)
case code > 31465 && code < 31470:
zone := float64(code - 31464)
crs = TransverseMercator(EPSG(4314), zone*3, 0, 1, zone*1000000+500000, 0)
case code > 32600 && code < 32661:
zone := float64(code - 32600)
crs = TransverseMercator(EPSG(4326), zone*6-183, 0, 0.9996, 500000, 0)
case code > 32700 && code < 32761:
zone := code - 32700
crs = TransverseMercator(EPSG(4326), float64(zone)*6-183, 0, 0.9996, 500000, 10000000)
}
}
if crs == nil {
return errorCRS{err: fmt.Errorf("epsg code '%d' not found", code)}
}
crsStore.Store(code, crs)
return crs
}