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