Adjustment of local geodetic network        version: 1.7.10-svd / win32-borland
************************************
http://www.gnu.org/software/gama/


Inconsistent coordinates and angles: 
changing internally sign of all Y coordinates


Network description
*******************

Sample 2D GNU Gama Input File
* four node network
* directions observed at each node (right -handed)
* distances are horizontal
* autonomous GPS observed at each node


General parameters of the adjustment
************************************

Coordinates           xyz     xy       z

Adjusted       :       0       4       0
Constrained  * :       0       4       0
Fixed          :       0       0       0
-----------------------------------------
Total          :       0       4       0

Number of directions       :    12            Number of bearings:     4
Number of distances        :     7
Total of observations      :    19

Number of project equations:    19            Number of unknowns:    12
Degrees of freedom         :    10            Network defect    :     3

m0  apriori    :    10.00
m0' aposteriori:   403.84         [pvv] : 1.63089e+06

During statistical analysis we work

- with apriori standard deviation 10.00
- with confidence level 95 %

Maximal normalized residual 61.99 exceeds critical value 1.96
on significance level 5 % for observation #3



Adjusted coordinates
********************

  i        point    approximate  correction  adjusted    std.dev conf.i.
====================== value ====== [m] ====== value ========== [mm] ===

               1
  2            X *    6683.00000  -2.19606    6680.80394     1.0     2.0
  3            Y *    8177.00000  -3.28768    8173.71232     1.5     3.0

               2
  8            X *    6649.00000   1.11028    6650.11028     1.4     2.7
  9            Y *    8151.00000   2.91698    8153.91698     1.0     2.0

               3
  6            X *    6678.00000   0.65464    6678.65464     1.2     2.3
  7            Y *    8114.00000   0.09082    8114.09082     1.2     2.4

               4
  4            X *    6713.00000   0.43114    6713.43114     1.5     3.0
  5            Y *    8128.00000   0.27988    8128.27988     1.0     2.0


Adjusted orientation unknowns
*****************************

  i   standpoint      approximate  correction  adjusted   std.dev conf.i.
====================== [d] ========= [d] ======== [d] =========== [ss] ===

  1            1  303-07-29.02    2-26-21.28 305-33-50.30      6.6    12.9
 10            2   35-59-14.58   -2-34-00.42  33-25-14.16      6.6    13.0
 11            3  125-05-20.07    0-22-37.58 125-27-57.65      6.7    13.1
 12            4  201-48-05.07    0-23-14.09 202-11-19.17      6.6    12.9


Test of linearization error
***************************

Diffs in adj. observations from residuals and from adjusted coordinates
***********************************************************************

   i   standpoint       target            observed     r        difference
=========================================== value = [mm|ss] == [ss] == [mm] =

   1            1            4 dir.     0-00-00.0   -17.879  413.954 112.255
   2                         3 dir.    37-39-45.0   378.794  501.036 144.920
   3                         2 dir.    92-10-05.0  -360.915 -2436.838 -431.491
   4                         4 dist.     56.03600  -252.470          -150.720
   5            2            1 dir.     0-00-00.0  -272.051 -2436.838 -431.491
   6                         4 dir.    55-23-30.0   289.587   34.754  11.510
   7                         3 dir.    87-53-55.0   -17.536  371.548  88.263
   8                         1 dist.     36.53000  -123.572          -116.936
   9                         4 dist.     68.04500   215.096          -53.829
  10                         3 dist.     48.74200   211.908          -45.108
  11            3            2 dir.     0-00-00.0  -219.051  371.548  88.263

  12                         1 dir.    37-35-35.0   276.144  501.036 144.920
  13                         4 dir.   103-17-15.0   -57.093    5.149   0.938
  14                         2 dist.     48.74700   206.908          -45.108
  15                         1 dist.     59.82600  -221.351          -55.573
  16                         4 dist.     37.57300   -14.147           -0.890
  17            4            3 dir.     0-00-00.0   -20.576    5.149   0.938
  18                         2 dir.    44-12-30.0   114.589   34.754  11.510
  19                         1 dir.    76-38-45.0   -94.013  413.954 112.255

         ******  2 - adjustment iteration  ******

Approximate coordinates of computed points replaced by adjusted
***************************************************************


General parameters of the adjustment
************************************

Coordinates           xyz     xy       z

Adjusted       :       0       4       0
Constrained  * :       0       4       0
Fixed          :       0       0       0
-----------------------------------------
Total          :       0       4       0

Number of directions       :    12            Number of bearings:     4
Number of distances        :     7
Total of observations      :    19

Number of project equations:    19            Number of unknowns:    12
Degrees of freedom         :    10            Network defect    :     3

m0  apriori    :    10.00
m0' aposteriori:     7.68         [pvv] : 5.89868e+02

During statistical analysis we work

- with apriori standard deviation 10.00
- with confidence level 95 %

Maximal normalized residual 1.58 does not exceed critical value 1.96
on significance level 5 % for observation #8



Adjusted coordinates
********************

  i        point    approximate  correction  adjusted    std.dev conf.i.
====================== value ====== [m] ====== value ========== [mm] ===

               1
  2            X *    6683.00000  -2.22110    6680.77890     1.1     2.1
  3            Y *    8177.00000  -3.12988    8173.87012     1.4     2.7

               2
  8            X *    6649.00000   1.28047    6650.28047     1.4     2.7
  9            Y *    8151.00000   2.77261    8153.77261     1.0     2.0

               3
  6            X *    6678.00000   0.57652    6678.57652     1.1     2.2
  7            Y *    8114.00000   0.08102    8114.08102     1.2     2.4

               4
  4            X *    6713.00000   0.36410    6713.36410     1.5     3.0
  5            Y *    8128.00000   0.27624    8128.27624     1.0     1.9


Adjusted orientation unknowns
*****************************

  i   standpoint      approximate  correction  adjusted   std.dev conf.i.
====================== [d] ========= [d] ======== [d] =========== [ss] ===

  1            1  305-33-50.30   -0-00-41.88 305-33-08.42      6.7    13.1
 10            2   33-25-14.16   -0-02-11.09  33-23-03.07      6.7    13.1
 11            3  125-27-57.65    0-01-08.01 125-29-05.66      6.7    13.1
 12            4  202-11-19.17    0-00-38.08 202-11-57.25      6.5    12.8


Test of linearization error
***************************

Diffs in adj. observations from residuals and from adjusted coordinates
***********************************************************************

   i   standpoint       target            observed     r        difference
=========================================== value = [mm|ss] == [ss] == [mm] =

   1            1            4 dir.     0-00-00.0    -0.669    0.901   0.245
   2                         3 dir.    37-39-45.0    -1.635    0.460   0.133
   3                         2 dir.    92-10-05.0     2.304   -0.049  -0.009
   4                         4 dist.     56.03600     4.883           -0.147
   5            2            1 dir.     0-00-00.0     1.949   -0.049  -0.009
   6                         4 dir.    55-23-30.0    -1.335    0.501   0.165
   7                         3 dir.    87-53-55.0    -0.614   -2.707  -0.640
   8                         1 dist.     36.53000    -6.933           -1.772
   9                         4 dist.     68.04500    -3.781           -0.013
  10                         3 dist.     48.74200     2.983           -0.156
  11            3            2 dir.     0-00-00.0    -3.021   -2.707  -0.640
  12                         1 dir.    37-35-35.0     5.604    0.460   0.133
  13                         4 dir.   103-17-15.0    -2.583   -0.003  -0.001
  14                         2 dist.     48.74700    -2.017           -0.156
  15                         1 dist.     59.82600     3.626           -0.018
  17            4            3 dir.     0-00-00.0     4.002   -0.003  -0.001
  18                         2 dir.    44-12-30.0    -7.157    0.501   0.165
  19                         1 dir.    76-38-45.0     3.155    0.901   0.245

         ******  3 - adjustment iteration  ******

Approximate coordinates of computed points replaced by adjusted
***************************************************************


General parameters of the adjustment
************************************

Coordinates           xyz     xy       z

Adjusted       :       0       4       0
Constrained  * :       0       4       0
Fixed          :       0       0       0
-----------------------------------------
Total          :       0       4       0

Number of directions       :    12            Number of bearings:     4
Number of distances        :     7
Total of observations      :    19

Number of project equations:    19            Number of unknowns:    12
Degrees of freedom         :    10            Network defect    :     3

m0  apriori    :    10.00
m0' aposteriori:     7.07         [pvv] : 4.99327e+02

During statistical analysis we work

- with apriori standard deviation 10.00
- with confidence level 95 %

Maximal normalized residual 1.19 does not exceed critical value 1.96
on significance level 5 % for observation #8



Adjusted coordinates
********************

  i        point    approximate  correction  adjusted    std.dev conf.i.
====================== value ====== [m] ====== value ========== [mm] ===

               1
  2            X *    6683.00000  -2.22107    6680.77893     1.1     2.1
  3            Y *    8177.00000  -3.13001    8173.86999     1.4     2.8

               2
  8            X *    6649.00000   1.28052    6650.28052     1.4     2.7
  9            Y *    8151.00000   2.77255    8153.77255     1.0     2.0

               3
  6            X *    6678.00000   0.57670    6678.57670     1.1     2.2
  7            Y *    8114.00000   0.08126    8114.08126     1.2     2.4

               4
  4            X *    6713.00000   0.36385    6713.36385     1.5     3.0
  5            Y *    8128.00000   0.27620    8128.27620     1.0     1.9


Adjusted orientation unknowns
*****************************

  i   standpoint      approximate  correction  adjusted   std.dev conf.i.
====================== [d] ========= [d] ======== [d] =========== [ss] ===

  1            1  305-33-08.42    0-00-00.29 305-33-08.71      6.7    13.1
 10            2   33-23-03.07   -0-00-00.54  33-23-02.52      6.7    13.1
 11            3  125-29-05.66   -0-00-00.37 125-29-05.29      6.7    13.1
 12            4  202-11-57.25   -0-00-00.02 202-11-57.23      6.5    12.8


Mean errors and parameters of error ellipses
********************************************

       point     mp      mxy      mean error ellipse  conf.err. ellipse   g
=============== [mm] == [mm] ==== a [mm] b ==== [d] ===== a' [mm] b' ========

           1     1.8     1.3     1.4     1.1   100.2     3.5     2.6     0.0
           2     1.7     1.2     1.4     1.0     7.6     3.4     2.4     0.0
           3     1.7     1.2     1.3     1.1   110.8     3.1     2.7     0.1
           4     1.8     1.3     1.6     0.9    15.3     3.9     2.3     0.1


Adjusted observations
*********************

   i   standpoint       target           observed     adjusted std.dev conf.i.
=========================================== value ==== [m|d] ====== [mm|ss] ==

   1            1            4 dir.    0-00-00.00 359-59-59.38     8.0    15.7
   2                         3 dir.   37-39-45.00  37-39-42.72     7.4    14.6
   3                         2 dir.   92-10-05.00  92-10-07.91     8.3    16.2
   4                         4 dist.     56.03600     56.04079     2.5     4.8
   5            2            1 dir.    0-00-00.00   0-00-01.72     8.3    16.2
   6                         4 dir.   55-23-30.00  55-23-27.91     7.2    14.0
   7                         3 dir.   87-53-55.00  87-53-55.37     7.8    15.4
   8                         1 dist.     36.53000     36.52478     2.4     4.7
   9                         4 dist.     68.04500     68.04094     2.7     5.2
  10                         3 dist.     48.74200     48.74497     2.2     4.3
  11            3            2 dir.    0-00-00.00 359-59-58.14     8.0    15.7
  12                         1 dir.   37-35-35.00  37-35-39.30     7.6    14.8
  13                         4 dir.  103-17-15.00 103-17-12.56     8.4    16.4
  14                         2 dist.     48.74700     48.74497     2.2     4.3
  15                         1 dist.     59.82600     59.82927     2.4     4.7
  16                         4 dist.     37.57300     37.57182     2.5     4.8
  17            4            3 dir.    0-00-00.00   0-00-04.50     8.1    15.9
  18                         2 dir.   44-12-30.00  44-12-22.61     7.1    13.9
  19                         1 dir.   76-38-45.00  76-38-47.89     7.8    15.3


Residuals and analysis of observations
**************************************

   i   standpoint       target        f[%]        v    |v'|     e-obs.  e-adj.
============================================== [mm|ss] =========== [mm|ss] ===

   1            1            4 dir.   20.1      -0.624  0.1      -1.7   -1.1
   2                         3 dir.   25.6      -2.281  0.3      -5.1   -2.8
   3                         2 dir.   17.3       2.905  0.5       9.2    6.3
   4                         4 dist.  50.9       4.795  1.1       6.3    1.5
   5            2            1 dir.   17.3       1.717  0.3       5.4    3.7
   6                         4 dir.   28.3      -2.088  0.3      -4.3   -2.2
   7                         3 dir.   21.6       0.371  0.1       1.0    0.6
   8                         1 dist.  51.7      -5.217  1.2 m    -6.8   -1.6
   9                         4 dist.  46.7      -4.056  1.0      -5.7   -1.6
  10                         3 dist.  56.0       2.974  0.7       3.7    0.7
  11            3            2 dir.   19.7      -1.862  0.3      -5.2   -3.4
  12                         1 dir.   24.4       4.298  0.7      10.0    5.7
  13                         4 dir.   16.1      -2.436  0.4      -8.2   -5.8
  14                         2 dist.  56.0      -2.026  0.5      -2.5   -0.5
  15                         1 dist.  51.6       3.273  0.7       4.3    1.0
  16                         4 dist.  50.7      -1.179  0.3      -1.6   -0.4
  17            4            3 dir.   19.1       4.497  0.8      13.0    8.5
  18                         2 dir.   29.3      -7.386  1.0     -14.8   -7.4
  19                         1 dir.   21.8       2.889  0.5       7.5    4.6

Condition number        : 2.6e+01