STAR*NET V6 - Circe

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Chapter 9 Tools The settings selected (scale, marker and lettering sizes, slant, items included, etc.) are saved on a project basis. Therefore, when you exit a project, and then return later to it, the same DXF option settings will appear. When you are using the DXF Exporter on what you consider a “typical” project, you can press the “Save Settings as Typical” button to save the current DXF settings as typical defaults. Then whenever you start a new project, these saved typical settings will be used as starting settings. All settings are saved except the ellipse exaggeration that is uniquely handled as required for each project. Loading the DXF File into AutoCAD The DXF file exported from STAR*NET can be directly imported into a new drawing by AutoCAD and most other graphics programs supporting the DXF file format. If you want to import STAR*NET DXF files into an AutoCAD drawing environment that already has an established drawing prototype with defined entities (i.e. some third party COGO packages), here are two ways to accomplish this: 1. The most straight-forward way is to import the DXF into AutoCAD as a new drawing that has no prototype drawing already set, and then immediately save it to a standard DWG drawing file. This file can then be read into another drawings that already has defined entities. 2. Another way is to first insert the STAR6.DWG prototype file, supplied with your installation, into your existing drawing to define the entities in the DXF file, and then you can read the DXF directly into your existing drawing. The STAR6.DWG file is located in the same directory that STAR*NET was installed. This file contains all the entity definitions and layer names used by the DXF export, but no actual drawing items. Many versions of AutoCAD exist as well as numerous other graphics programs capable of importing DXF files, and it is impossible to provide detailed instructions for each in this manual. Refer to instructions supplied with your particular graphics program for the its particular methods of importing DXF files. 144
Chapter 10 ADJUSTMENTS IN GRID COORDINATE SYSTEMS 10.1 Introduction The surface of the earth is curved. However, for most surveying purposes, it is more convenient to assume that the earth is flat, and to work with rectangular plane coordinates, such as Northings and Eastings. When surveys are performed in very small areas and using arbitrary coordinates, the surveyor can make the assumption that he or she is working on a plane that is tangent to the earth in the area of interest. Any errors resulting from this assumption are generally acceptable. In this case, the surveyor can run STAR*NET adjustments using a “Local” coordinate system. However, for surveys performed over larger extents, and to higher accuracies, the physical shape of the earth does become a factor. And, even for small local surveys, it is often required that they be connected into a larger overall coordinate reference system consistent for an entire city, county or region. The solution to this problem is to project the curved surface of the earth onto another surface, such as a cylinder or a cone. The new surface can then be laid flat onto a plane, and serve as the basis for map display and computations. As long as the mathematical functions for transforming between the earth surface and the flat plane are known, the surveyor can measure surface field data in the curved earth system, and accurately represent it in a projected “Grid” coordinate system. STAR*NET supports the following grid coordinate systems: 1. NAD27 and NAD83 – Defined grid zones used in the United States 2. UTM - Universe Transverse Mercator zones used domestically and internationally 3. Custom – Domestic and international user-defined grid systems This chapter describes how STAR*NET works with grids, selecting of grid system zones from the Project Options dialog, options relating to grid, output listing sections that reflect the affects of the grid reductions, and setting up of custom grid systems. The STAR*NET manual does not attempt to be a text book in this subject. If you plan to run adjustments in grid coordinate systems, whether it be projections specific to the United States, or other projections around the world, we suggest that you read some technical information relating to these systems to get a general idea of the calculations required for working these projections. There are excellent text books that go into great detail explaining each system. 145
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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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Chapter 5 Preparing Input Data Usin
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INLINE OPTION: .DELTA ON/OFF Chapte
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INLINE OPTION: .SCALE Value Chapter
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Chapter 5 Preparing Input Data INLI
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Chapter 5 Preparing Input Data Lega
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Page 106 and 107: How do I weight observations? Chapt
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Page 110 and 111: Chapter 6 Running Adjustments The S
Page 112 and 113: 6.5 Preanalysis Chapter 6 Running A
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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
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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
Page 186 and 187: Appendix A STAR*NET Tutorial Before
Page 188 and 189: Example 5: Resection Appendix A STA
Page 192 and 193: Example 7: Preanalysis Appendix A S
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Page 196 and 197: Appendix B References 6. Mikhail, E
Page 198 and 199: 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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