Module geometry 

GNSS geometry primitives.

Re-exports

pub use crate::frame::ItrfPositionM;

pub use crate::frame::ItrfVelocityMS;

pub use crate::frame::Wgs84Geodetic;

pub use crate::observables::transmit_time_satellite_state;

pub use crate::observables::ObservableEphemerisSource;

pub use crate::observables::ObservableState;

pub use crate::observables::ObservablesError;

pub use crate::observables::TransmitTimeOptions;

pub use crate::observables::TransmitTimeSatelliteState;

Structs

Dop

The dilution-of-precision scalars for a geometry.

DopAtEpoch

DOP result plus the exact satellites that contributed rows.

DopOptions

DOP planning options.

DopSeriesPoint

DOP result for one sampled epoch.

ErrorEllipse2

A confidence ellipse from an arbitrary 2x2 covariance block.

GeometryCofactor

Cofactor matrices from a single-clock GNSS design matrix.

HorizontalErrorEllipse

Horizontal confidence ellipse from an ENU position covariance.

LineOfSight

A line-of-sight unit vector from the receiver toward a satellite, in ECEF.

PositionCovariance

Position covariance from a GNSS design matrix.

VisibilityOptions

Visibility planning options for SP3-derived GNSS geometry.

VisibilityPass

One sampled visibility pass.

VisibilitySeriesPoint

Visible-satellite count for one sampled epoch.

VisibleSatellite

One visible satellite row.

Enums

DopError

Why a geometry has no finite DOP.

DopWeighting

DOP weighting policy.

EnuConvention

Which local east-north-up frame the position cofactor is rotated into before the horizontal/vertical DOP split.

Functions

dop

Compute the DOP scalars from line-of-sight directions, diagonal weights, and the receiver geodetic position.

dop_at_epoch

Compute DOP at one epoch from either an explicit satellite set or a visibility scan.

dop_series

Sample DOP over an inclusive time window, skipping singular or underdetermined samples.

dop_with_convention

dop with an explicit EnuConvention for the horizontal/vertical split.

error_ellipse_2x2

Confidence ellipse from an arbitrary 2x2 covariance block.

error_ellipse_from_geometry

Horizontal confidence ellipse directly from line-of-sight rows and weights.

geometry_cofactor

Compute the single-clock geometry cofactor matrix from line-of-sight rows.

geometry_cofactor_with_convention

geometry_cofactor with an explicit EnuConvention for the position_enu block.

horizontal_error_ellipse

Horizontal confidence ellipse from a local ENU covariance matrix.

line_of_sight_from_az_el_deg

Construct an ECEF line-of-sight unit vector from topocentric azimuth and elevation in degrees.

passes

Build sampled rise/set/peak visibility passes over an inclusive time window.

position_covariance_from_geometry_m2

Position covariance from a single-clock GNSS design matrix.

sagnac_range_first_order_m

First-order RTKLIB-style scalar Sagnac range correction.

sagnac_range_first_order_m_with_rate

First-order RTKLIB-style scalar Sagnac range correction with explicit rotation rate and light speed.

sagnac_rotate_ecef_m

Closed-form Sagnac/Earth-rotation transport of a transmit-time ECEF satellite position into the receive-time ECEF frame.

sagnac_rotate_ecef_m_with_rate

Closed-form Sagnac/Earth-rotation transport with an explicit Earth rotation rate in radians per second.

visibility_series

Count visible satellites over an inclusive sampled time window.

visible

List satellites visible from a static receiver at one epoch.

visible_at_elevation_mask

Returns whether an elevation is at or above an elevation mask.

Type Aliases

Error

Error type returned by DOP calculations.