cesium/packages/engine/Source/Scene/Model/Extensions/Gpm/PpeSource.js

76 lines
1.9 KiB
JavaScript

/**
* An enum of per-point error sources.
*
* This reflects the `ppeMetadata.source` definition of the
* {@link https://nsgreg.nga.mil/csmwg.jsp|NGA_gpm_local} glTF extension.
*
* @enum {string}
* @private
*/
const PpeSource = {
/**
* The PPE standard deviation of error in the x dimension of the MCS (sigma x). Value will be squared
* and used to populate the (1,1) element in the PPE covariance matrix.
*
* @type {string}
* @constant
*/
SIGX: "SIGX",
/**
* The PPE standard deviation of error in the y dimension of the MCS (sigma y). Value will be squared
* and used to populate the (2,2) element in the PPE covariance matrix.
*
* @type {string}
* @constant
*/
SIGY: "SIGY",
/**
* The PPE standard deviation of error in the z dimension of the MCS (sigma z). Value will be squared
* and used to populate the (3,3) element in the PPE covariance matrix.
*
* @type {string}
* @constant
*/
SIGZ: "SIGZ",
/**
* The PPE variance of error in the x dimension of the MCS (sigma x2). Value will be used to populate
* the (1,1) element in the PPE covariance matrix.
*
* @type {string}
* @constant
*/
VARX: "VARX",
/**
* The PPE variance of error in the y dimension of the MCS (sigma y2). Value will be used to populate
* the (2,2) element in the PPE covariance matrix.
*
* @type {string}
* @constant
*/
VARY: "VARY",
/**
* The PPE variance of error in the z dimension of the MCS (sigma z2). Value will be used to populate
* the (3,3) element in the PPE covariance matrix.
*
* @type {string}
* @constant
*/
VARZ: "VARZ",
/**
* The PPE radial error in the horizontal dimension (x-y) of the MCS (sigma radial) . Value will be squared
* and used to populate the (1,1) and (2,2) element in the PPE covariance matrix.
*
* @type {string}
* @constant
*/
SIGR: "VARZ",
};
export default Object.freeze(PpeSource);