STAR*NET V6 - Circe

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Chapter 8 Analysis of Adjustment Output 8.12 Adjusted Bearings and Horizontal Distances (Optional) This listing section shows the adjusted bearing (or azimuth) and horizontal distance between each point which is connected by field observations. In addition, connected stations specified in a “.RELATIVE” inline option are shown. Adjusted Bearings (DMS) and Horizontal Distances (FeetUS) ========================================================= (Relative Confidence of Bearing is in Seconds) From To Bearing Distance 95% RelConfidence Brg Dist PPM 1 2 N01-23-51.01E 205.0388 13.22 0.0547 266.6328 2 3 N63-26-08.29W 134.1889 11.67 0.0553 412.2775 3 4 S31-25-40.66W 105.4493 13.92 0.0556 527.5248 3 7 N17-39-05.66W 115.4440 9.04 0.0534 462.6009 4 5 S68-11-49.87W 161.5606 14.77 0.0554 342.9421 5 6 S05-21-27.54E 160.7097 14.52 0.0457 284.1620 6 1 N81-36-22.22E 308.3068 13.03 0.0563 182.4629 Adjusted Bearing and Distances The section also shows the relative error in azimuth and distance between the station pairs. These relative errors are shown only if error propagation is performed. The relative errors of the distance and azimuth for each course are based on the respective components of its relative ellipse and are shown at the confidence level selected for the adjustment. The distance precision shown as Parts per Million (PPM) is computed by dividing the relative distance error by the length of the line then times 1,000,000. 8.13 Traverse Closures of Unadjusted Observations (Optional) If you entered any of your observations using “Traverse” data, you can choose to include a summary of the traverses, along with closure errors and precisions, and angular misclosures. For each traverse, courses are listed with bearings (or azimuths) and horizontal distances that are based on unadjusted input angle and distance entries. If the traverse closes on itself or to another station in the network, the coordinate misclosure is listed. If possible, an angular misclosure is also shown. The bearings or azimuths created for the traverse closure printout are based on input angles that have been “pre-corrected” for traverse angular misclosure when present. Each angle is corrected by an equal amount, and then the linear closure is calculated. Many governmental agencies want to see this kind of closure analysis. It is important to note, however, that these corrections to angles are created only for the benefit of this traverse closure printout. Actual corrections required for the angles are determined during the rigorous least squares adjustment and are displayed as angle residuals! 128
Chapter 8 Analysis of Adjustment Output When you run a full least squares adjustment, the traverse closures begin and end on your adjusted coordinates, showing exactly how your original unadjusted field traverses fit into the final adjusted network. (This can be quite meaningful when you have interconnected traverses). When you run “Data Check Only” from the Run menu, however, the traverse closures for open traverses will be based only on approximate coordinates. These closures may depend on data entry order, and are quite different and less meaningful than those obtained after the adjustment. Traverse Closures of Unadjusted Observations ============================================ (Beginning and Ending on Adjusted Stations) TRAVERSE 1 Error Angular = -3.00 Sec, 6 Angles, -0.50 Sec/Angle Error Linear = 0.0051 S, 0.0126 W Horiz Precision = 0.0135 Error in 1075.2400, 1:79434, 12.59 PPM From To Unadj Bearing Unadj Dist 1 6 S81-36-22.22W BS 1 2 N01-23-50.72E 205.0300 2 3 N63-26-08.78W 134.1900 3 4 S31-25-40.72W 105.4400 4 5 S68-11-50.22W 161.5700 5 6 S05-21-27.28E 160.7100 6 1 N81-36-22.22E 308.3000 TRAVERSE 2: Smith Ranch Cutoff Error Angular = -0.51 Sec, 6 Angles, -0.09 Sec/Angle Error Linear = 0.0673 S, 0.0205 E Horiz Precision = 0.0703 Error in 909.7100, 1:12939, 77.29 PPM From To Unadj Bearing Unadj Dist 3 2 S63-26-08.29E BS 3 7 N17-39-06.20W 115.4100 7 8 S79-52-29.88W 284.4000 8 9 S15-07-26.97W 191.6600 9 10 S08-36-51.95E 166.9000 10 6 S82-24-19.86E 151.3400 6 1 N81-36-22.22E FS Horizontal Traverse Closures (2D Example) The example above illustrates a listing for a 2D adjustment. For 3D adjustments, the listing also includes an unadjusted elevation difference for each traverse course, plus an elevation misclosure for the traverse. 129
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STAR*NET V6 Least Squares Survey Ad
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TABLE OF CONTENTS Chapter 1 OVERVIE
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10.9 Entering a Geoid Height and Ve
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Chapter 1 Overview 4. Survey planni
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Chapter 2 Installation 2.3 Starting
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2.7 The Registry Chapter 2 Installa
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3.3 The Menu System Chapter 3 Using
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3.8 Checking the Error File Chapter
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Chapter 3 Using STAR*NET 3.12 Displ
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Chapter 4 Options 4.2 Changing Proj
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Option Group: Units Chapter 4 Optio
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General Options Chapter 4 Options T
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Chapter 4 Options Option Group: Dis
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Chapter 4 Options What standard err
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Chapter 4 Options The default metho
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Option Group: Adjusted Contents Cha
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Other Files Options Chapter 4 Optio
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Chapter 4 Options Creating a Ground
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Special Options Chapter 4 Options T
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4.5 Company Options Chapter 4 Optio
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Chapter 4 Options Note that any dat
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Chapter 4 Options When the Instrume
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Using the Input Data Files Dialog C
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Chapter 5 Preparing Input Data 5.5
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Station Names Chapter 5 Preparing I
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Chapter 5 Preparing Input Data Zeni
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Point Descriptors Chapter 5 Prepari
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Example 1: (2D Data) Chapter 5 Prep
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Chapter 5 Preparing Input Data The
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Chapter 5 Preparing Input Data SING
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The “V” Code: Vertical Observat
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Chapter 5 Preparing Input Data Samp
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Example 2: (2D Data) Chapter 5 Prep
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Chapter 5 Preparing Input Data The
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Chapter 5 Preparing Input Data TRAV
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Chapter 5 Preparing Input Data Exam
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The “TE” Code: Ending a Travers
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Chapter 5 Preparing Input Data LEVE
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Chapter 5 Preparing Input Data SIDE
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Page 86 and 87: INLINE OPTION: .DELTA ON/OFF Chapte
Page 88 and 89: INLINE OPTION: .SCALE Value Chapter
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Page 98 and 99: Chapter 5 Preparing Input Data Lega
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Page 102 and 103: Chapter 5 Preparing Input Data 5.9
Page 104 and 105: Chapter 5 Preparing Input Data 5.11
Page 106 and 107: How do I weight observations? Chapt
Page 108 and 109: Chapter 5 Preparing Input Data 102
Page 110 and 111: Chapter 6 Running Adjustments The S
Page 112 and 113: 6.5 Preanalysis Chapter 6 Running A
Page 114 and 115: Chapter 6 Running Adjustments 108
Page 116 and 117: Chapter 7 Viewing and Printing Outp
Page 118 and 119: 7.4 Viewing the Error File Chapter
Page 124 and 125: Chapter 8 Analysis of Adjustment Ou
Page 144 and 145: To run the utility, follow these st
Page 146 and 147: Chapter 9 Tools As discussed above,
Page 148 and 149: Chapter 9 Tools A few words should
Page 150 and 151: Chapter 9 Tools The settings select
Page 152 and 153: Chapter 10 Adjustments in Grid Coor
Page 168 and 169: APPENDIX A - TOUR OF THE STAR*NET P
Page 170 and 171: Appendix A STAR*NET Tutorial Exampl
Page 172 and 173: Appendix A STAR*NET Tutorial 4. Rev
Page 174 and 175: Appendix A STAR*NET Tutorial 7. Fin
Page 176 and 177: Appendix A STAR*NET Tutorial 12. To
Page 178 and 179: Appendix A STAR*NET Tutorial Take a
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Appendix A STAR*NET Tutorial Exampl
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Appendix A STAR*NET Tutorial Before
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Example 5: Resection Appendix A STA
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Appendix A STAR*NET Tutorial Exampl
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Example 7: Preanalysis Appendix A S
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Appendix B References 6. Mikhail, E
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Appendix C Additional Technical Inf
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Appendix C Additional Technical Inf
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Appendix D Error and Warning Messag
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Data Lines, General Content Data Ty
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Index Installation Installing, 3 Se
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STARPLUS SOFTWARE, INC.
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STAR*NET V6 - Circe

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