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Ephemeris #374

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89033fa
Ephemeris upgrade
gwbres Jul 9, 2025
2505bbb
Kepler: improve tests, GEO OK
gwbres Jul 14, 2025
40db178
remove deprecated file
gwbres Jul 14, 2025
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13 changes: 6 additions & 7 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -22,18 +22,17 @@ To contribute to either of our project or join our community, you way
- Fast
- Open sources: read and access all the code!
- All modern GNSS constellations, codes and signals
- Surveying with GPS, Galileo, BeiDou and QZSS
- Time scales: GPST, QZSST, BDT, GST, UTC, TAI
- Navigation is supported and verified for the following constellations:
- GPS (any)
- Galileo (any)
- BDS (not IGSO, not GEO)
- QZSS (not GEO)
- Supported timescales: GPST, QZSST, BDT, GST, UTC and TAI
- Efficient seamless compression and decompression
- RINEX V4 full support, including
- new Ionospheric coorections
- new Time offset corrections
- precise Earth Orientation updates
- Navigation supported in the following constellations
- GPS
- Galileo
- BeiDou
- QZSS
- Most RINEX formats supported (see following table)
- High Precision Clock RINEX products (for PPP)
- DORIS (special RINEX)
Expand Down
36 changes: 18 additions & 18 deletions db/NAV/orbits.json
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Expand Up @@ -224,15 +224,15 @@
"major": 1
},
"orbits": {
"satPosX": "f64",
"posX": "f64",
"velX": "f64",
"accelX": "f64",
"health": "flag",
"satPosY": "f64",
"posY": "f64",
"velY": "f64",
"accelY": "f64",
"channel": "i8",
"satPosZ": "f64",
"posZ": "f64",
"velZ": "f64",
"accelZ": "f64",
"ageOp": "f64"
Expand All @@ -244,15 +244,15 @@
"major": 2
},
"orbits": {
"satPosX": "f64",
"posX": "f64",
"velX": "f64",
"accelX": "f64",
"health": "flag",
"satPosY": "f64",
"posY": "f64",
"velY": "f64",
"accelY": "f64",
"channel": "i8",
"satPosZ": "f64",
"posZ": "f64",
"velZ": "f64",
"accelZ": "f64",
"ageOp": "f64"
Expand All @@ -264,15 +264,15 @@
"major": 3
},
"orbits": {
"satPosX": "f64",
"posX": "f64",
"velX": "f64",
"accelX": "f64",
"health": "flag",
"satPosY": "f64",
"posY": "f64",
"velY": "f64",
"accelY": "f64",
"channel": "i8",
"satPosZ": "f64",
"posZ": "f64",
"velZ": "f64",
"accelZ": "f64",
"ageOp": "f64"
Expand All @@ -285,15 +285,15 @@
},
"type": "FDMA",
"orbits": {
"satPosX": "f64",
"posX": "f64",
"velX": "f64",
"accelX": "f64",
"health": "flag",
"satPosY": "f64",
"posY": "f64",
"velY": "f64",
"accelY": "f64",
"channel": "i8",
"satPosZ": "f64",
"posZ": "f64",
"velZ": "f64",
"accelZ": "f64",
"ageOp": "f64",
Expand Down Expand Up @@ -797,15 +797,15 @@
"major": 3
},
"orbits": {
"satPosX": "f64",
"posX": "f64",
"velX": "f64",
"accelX": "f64",
"health": "flag",
"satPosY": "f64",
"posY": "f64",
"velY": "f64",
"accelY": "f64",
"accuracyCode": "f64",
"satPosZ": "f64",
"posZ": "f64",
"velZ": "f64",
"accelZ": "f64",
"iodn": "f64"
Expand All @@ -818,15 +818,15 @@
},
"type": "SBAS",
"orbits": {
"satPosX": "f64",
"posX": "f64",
"velX": "f64",
"accelX": "f64",
"health": "flag",
"satPosY": "f64",
"posY": "f64",
"velY": "f64",
"accelY": "f64",
"accuracyCode": "f64",
"satPosZ": "f64",
"posZ": "f64",
"velZ": "f64",
"accelZ": "f64",
"iodn": "f64"
Expand Down
12 changes: 6 additions & 6 deletions src/binex/rnx2bin/nav.rs
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Expand Up @@ -79,15 +79,15 @@ fn forge_sbas_ephemeris_frame(_toc: &Epoch, sv: SV, eph: &Ephemeris) -> Option<E
let clock_offset = eph.clock_bias;
let clock_drift = eph.clock_drift;

let x_km = eph.orbits.get("satPosX")?.as_f64();
let x_km = eph.orbits.get("posX")?.as_f64();
let vel_x_km = eph.orbits.get("velX")?.as_f64();
let acc_x_km = eph.orbits.get("accelX")?.as_f64();

let y_km = eph.orbits.get("satPosX")?.as_f64();
let y_km = eph.orbits.get("posX")?.as_f64();
let vel_y_km = eph.orbits.get("velY")?.as_f64();
let acc_y_km = eph.orbits.get("accelY")?.as_f64();

let z_km = eph.orbits.get("satPosX")?.as_f64();
let z_km = eph.orbits.get("posX")?.as_f64();
let vel_z_km = eph.orbits.get("velZ")?.as_f64();
let acc_z_km = eph.orbits.get("accelZ")?.as_f64();

Expand Down Expand Up @@ -180,15 +180,15 @@ fn forge_glo_ephemeris_frame(eph: &Ephemeris) -> Option<EphemerisFrame> {
let clock_offset_s = eph.clock_bias;
let clock_rel_freq_bias = eph.clock_drift;

let x_km = eph.orbits.get("satPosX")?.as_f64();
let x_km = eph.orbits.get("posX")?.as_f64();
let vel_x_km = eph.orbits.get("velX")?.as_f64();
let acc_x_km = eph.orbits.get("accelX")?.as_f64();

let y_km = eph.orbits.get("satPosX")?.as_f64();
let y_km = eph.orbits.get("posX")?.as_f64();
let vel_y_km = eph.orbits.get("velY")?.as_f64();
let acc_y_km = eph.orbits.get("accelY")?.as_f64();

let z_km = eph.orbits.get("satPosX")?.as_f64();
let z_km = eph.orbits.get("posX")?.as_f64();
let vel_z_km = eph.orbits.get("velZ")?.as_f64();
let acc_z_km = eph.orbits.get("accelZ")?.as_f64();

Expand Down
7 changes: 2 additions & 5 deletions src/constants.rs
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Original file line number Diff line number Diff line change
@@ -1,5 +1,3 @@
//! const value of Gnss

#[cfg(feature = "nav")]
use crate::prelude::{Constellation, SV};

Expand Down Expand Up @@ -41,9 +39,6 @@ pub(crate) struct Constants;

#[cfg(feature = "nav")]
impl Constants {
/// Maximal iteration in the iterative Kepler solver
pub const MAX_KEPLER_ITER: u8 = 30;

/// Earth gravitation.
pub const fn gm(sv: SV) -> f64 {
match sv.constellation {
Expand All @@ -53,6 +48,7 @@ impl Constants {
_ => GM::GPS,
}
}

/// Earth rotation rate
pub const fn omega(sv: SV) -> f64 {
match sv.constellation {
Expand All @@ -62,6 +58,7 @@ impl Constants {
_ => Omega::GPS,
}
}

/// Auxiliary Quantities for Calculating Relativistic Effects in Clock Correction
pub const fn dtr_f(sv: SV) -> f64 {
match sv.constellation {
Expand Down
2 changes: 1 addition & 1 deletion src/navigation/ephemeris/formatting.rs
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Expand Up @@ -46,7 +46,7 @@ impl Ephemeris {
// following standard specs
let data_fields = &standard_specs.items;
for i in 0..data_fields.len() {
if let Some(value) = self.get_orbit_f64(data_fields[i].0) {
if let Some(value) = self.get_orbit_field_f64(data_fields[i].0) {
if i % 4 == 0 {
write!(w, "\n {}", NavFormatter::new(value))?;
} else {
Expand Down
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