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One of parameters in XML input of program `gama-local`

is tolerance
`tol-abs`

for detecting of gross absolute terms in
project equations. Observations with outlying absolute terms
are always excluded from adjustment.

For measured distances program tests difference between observed value
*d_i* and distance computed from approximate coordinates *d_0*

` |d_i - d_0| > ` |

for observed directions program `gama-local`

tests transverse deviation
corresponding to absolute term *b_i* from
project equations (1)

` | b_i | d_0 > ` |

and similarly for angles, program tests the greater of two deviations corresponding to left and right distances (left and right arm of the angle)

` |b_i| max{ d_{0_l}, d_{0_r} } > ` |

Default value of parameter `tol-abs`

is 1000 mm.

Outlying absolute terms in project equations ******************************************** i standpoint target observed absolute =========================================== value ===== term == 2 103 104 dir. 301.087900 -9989.1 Observations with outlying absolute terms removed |

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