api/cxx/geometryfunc_8h_source.html

#pragma once


#include <isce3/core/forward.h>


#include <tuple>

#include <vector>


#include <Eigen/Dense>


#include <isce3/antenna/Frame.h>

#include <isce3/core/Ellipsoid.h>

#include <isce3/geometry/DEMInterpolator.h>


namespace isce3 { namespace antenna {


// Antenna to Radar


std::tuple<double, double, bool> ant2rgdop(double el_theta, double az_phi,

        const isce3::core::Vec3& pos_ecef, const isce3::core::Vec3& vel_ecef,

        const isce3::core::Quaternion& quat, double wavelength,

        const isce3::geometry::DEMInterpolator& dem_interp = {},

        double abs_tol = 0.5, int max_iter = 10,

        const isce3::antenna::Frame& frame = {},

        const isce3::core::Ellipsoid& ellips = {});


std::tuple<Eigen::VectorXd, Eigen::VectorXd, bool> ant2rgdop(

        const Eigen::Ref<const Eigen::VectorXd>& el_theta, double az_phi,

        const isce3::core::Vec3& pos_ecef, const isce3::core::Vec3& vel_ecef,

        const isce3::core::Quaternion& quat, double wavelength,

        const isce3::geometry::DEMInterpolator& dem_interp = {},

        double abs_tol = 0.5, int max_iter = 10,

        const isce3::antenna::Frame& frame = {},

        const isce3::core::Ellipsoid& ellips = {});


// Antenna to Geometry


std::tuple<isce3::core::Vec3, bool> ant2geo(double el_theta, double az_phi,

        const isce3::core::Vec3& pos_ecef, const isce3::core::Quaternion& quat,

        const isce3::geometry::DEMInterpolator& dem_interp = {},

        double abs_tol = 0.5, int max_iter = 10,

        const isce3::antenna::Frame& frame = {},

        const isce3::core::Ellipsoid& ellips = {});


std::tuple<std::vector<isce3::core::Vec3>, bool> ant2geo(

        const Eigen::Ref<const Eigen::VectorXd>& el_theta, double az_phi,

        const isce3::core::Vec3& pos_ecef, const isce3::core::Quaternion& quat,

        const isce3::geometry::DEMInterpolator& dem_interp = {},

        double abs_tol = 0.5, int max_iter = 10,

        const isce3::antenna::Frame& frame = {},

        const isce3::core::Ellipsoid& ellips = {});


isce3::core::Vec3 rangeAzToXyz(double slant_range, double az,

        const isce3::core::Vec3& pos_ecef, const isce3::core::Quaternion& quat,

        const isce3::geometry::DEMInterpolator& dem_interp = {},

        double el_min = -M_PI / 4, double el_max = M_PI / 4,

        double el_tol = 0.0, const isce3::antenna::Frame& frame = {});


}} // namespace isce3::antenna

isce3::antenna::ant2rgdop
std::tuple< double, double, bool > ant2rgdop(double el_theta, double az_phi, const isce3::core::Vec3 &pos_ecef, const isce3::core::Vec3 &vel_ecef, const isce3::core::Quaternion &quat, double wavelength, const isce3::geometry::DEMInterpolator &dem_interp={}, double abs_tol=0.5, int max_iter=10, const isce3::antenna::Frame &frame={}, const isce3::core::Ellipsoid &ellips={})
Estimate Radar products, Slant range and Doppler centroid, from spherical angles in antenna body-fixe...
Definition geometryfunc.cpp:70

isce3::antenna::rangeAzToXyz
isce3::core::Vec3 rangeAzToXyz(double slant_range, double az, const isce3::core::Vec3 &pos_ecef, const isce3::core::Quaternion &quat, const isce3::geometry::DEMInterpolator &dem_interp={}, double el_min=-M_PI/4, double el_max=M_PI/4, double el_tol=0.0, const isce3::antenna::Frame &frame={})
Compute target position given range and AZ angle by varying EL until height matches DEM.
Definition geometryfunc.cpp:164

isce3::antenna::ant2geo
std::tuple< isce3::core::Vec3, bool > ant2geo(double el_theta, double az_phi, const isce3::core::Vec3 &pos_ecef, const isce3::core::Quaternion &quat, const isce3::geometry::DEMInterpolator &dem_interp={}, double abs_tol=0.5, int max_iter=10, const isce3::antenna::Frame &frame={}, const isce3::core::Ellipsoid &ellips={})
Estimate geodetic geolocation (longitude, latitude, height) from spherical angles in antenna body-fix...
Definition geometryfunc.cpp:119

isce3
base interpolator is an abstract base class
Definition BinarySearchFunc.cpp:5