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Overview of the Technology Courses. Evergreen Valley College San Jose, CA Sponsored By the NSF. Introduction. This portion of the presentation discusses the information on the three new technology courses generally required by college curriculum committees on approval of new courses. .
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Overview of the Technology Courses Evergreen Valley College San Jose, CA Sponsored By the NSF
Introduction • This portion of the presentation discusses the information on the three new technology courses generally required by college curriculum committees on approval of new courses.
Global Positioning System for Land Surveying Course Description Fundamentals of global positioning system (GPS) and its applications in land surveying are introduced. The discussions include the three segments of the GPS, GPS positioning principles and error sources. Among the topics studied are GPS observables, planning for a GPS field survey, GPS data processing, and GPS surveying techniques such as Static, Kinematic and RTK methods. Emphases are given to practical applications of GPS technology in surveying.
Global Positioning System for Land Surveying Lectures 1. Introduction • Signal Measurement Techniques • Geocentric & geodetic Reference Systems • Time Systems • Satellite Configuration
Global Positioning System for Land Surveying Lectures 2. Principles Of Global Positioning System (GPS) • What is GPS? • The GPS reference system • The GPS system components • The space segment • The control segment • The user segment • GPS positioning principles
Global Positioning System for Land Surveying Lectures 3. GPS Observations • Pseudoranges • Carrier phases • Differential GPS • Relative positioning
Global Positioning System for Land Surveying Lectures 4. Sources of Error in GPS Surveying • Clock error • Atmospheric inferences • Multipath • Satellites configuration • Instrument setup
Global Positioning System for Land Surveying Lectures 5. GPS Surveying Techniques • Static • FastStatic • Post-processed Kinematic • RTK
Global Positioning System for Land Surveying Lectures 6. Planning For a GPS Survey • Preliminary considerations • Method selection • Network design • Field reconnaissance • Developing an observation scheme • Checking reference stations • Equipment check
Global Positioning System for Land Surveying Lectures 7. Performing GPS Surveying • Equipment setup • Surveying with a controller • Surveying without a controller • Perform base survey • Perform rover surveying • Initialization in Kinematic survey • Measure points • Construction stake-out
Global Positioning System for Land Surveying Lectures 8. Post Processing • Data transfer between controller and office computer • Using office software to process and adjust data • Import and export data and graphs to CAD and GIS programs • Generate drawings and reports
Global Positioning System for Land Surveying Lectures 9. The Continuously Operating Reference Stations (CORS) • The Network • CORS Data File • Use of CORS in GPS Surveying
Global Positioning System for Land Surveying Lectures 10. Future Trend
Global Positioning System for Land Surveying Lab Activities • Introduction to GPS equipment • Equipment setup • Understanding the controller menu • Creating a project with the controller • Editing surveying styles • Data collection • Extracting an Almanac file from a receiver • Creating a site obstruction diagram • Using plan utilities
Global Positioning System for Land Surveying Lab Activities • Setting auto time features • Viewing satellite graphs • Editing a session • Defining and viewing curtains • Designing a network • Static surveying • FastStatic surveying • Post-processed Kinematic surveying • Setting up and configuring the radio for RTK
Global Positioning System for Land Surveying Lab Activities • Real-Time Kinemeatic (RTK) surveying • Performing site calibration • Staking out a point • Performing GPS survey with CORS • Data transfer • Creating and configuring a processing style • Processing baseline • Performing network adjustment • Importing and exporting to CAD and GIS software
Global Positioning System for Land Surveying Learning outcomes: • Describe the principles of GPS surveying. • Perform planning and network design. • Setup a GPS system for surveying. • Perform Post-processed and RTK surveys and acquire appropriate GPS data. • Perform data transfer. • Post process the GPS data. • Perform error analysis of the acquired GPS and other measured data. • Generate field notes appropriate to GPS surveying. • Produce written reports to communicate results of field surveys.
Global Positioning System for Land Surveying Assignments • Review the history of GPS surveying. • Explain the advantages of GPS surveying. • Estimate the accuracy of GPS surveying. • Study the three segments of the GPS surveying. • Differentiate the types of receivers. • Determine the coordinates of a point in space when the distance between the point and a known point is given. • Determine distance with code-ranging method.
Global Positioning System for Land Surveying Assignments • Determine distance with carrier-phase method. • Explain how the integer of ambiguity is resolved in carrier-phase measurement. • Explain relative positioning and differential GPS. • Study the sources of errors in GPS surveying. • Explain Static, FastStatic, Post-processed Kinematic and RTK surveys, their accuracies and applications. • Design networks.
Global Positioning System for Land Surveying Assignments • Develop a survey plan. • Processing baselines. • Adjust networks. • Exchange data between surveying software and CAD and GIS. • Use CORS data to process GPS data. • Prepare survey report.
Global Positioning System for Land Surveying Textbooks • Chris Rizos, Principles and Practice of GPS Surveying, UNSW 1997 • Paul Wolf, Elementary Surveying, Prentice Hall, 2002 • Alfred Leick, GPS Satellite Surveying, 2nd ed., Wiley, 1995 • Simon McElroy, Getting Started with GPS Surveying, GPSCO, 1996 • Abdie Tabrizi, Lecture notes, 2004 • Trimble Training Manuals, 2005
Geographical Information System for Civil Engineering and Surveying Course Description: This course introduces the fundamentals of Geographical Information System as related to civil engineering and surveying and how the Multipurpose Cadastre (MPC), Land Information System (LIS) and Geographical Information System (GIS) fit together. Geodetic reference frame, base map, cadastral overlay, and linkage mechanisms are also discussed. Data quality and accuracy, privacy, ethics, institutional, governmental and technological issues associated with GIS are explored. The Arc GIS software is taught and used in the course. GIS applications and existing case studies are presented. FGDC standards and future trends of GIS are addressed.
Geographical Information System for Civil Engineering and Surveying Lectures: 1. Introduction: the multipurpose cadastre • Background • Definitions • The need for a multipurpose cadastre • The components of the multipurpose cadastre
Geographical Information System for Civil Engineering and Surveying Lectures: • GIS and the land surveyor • Background information • Critical issues • The real property connections • The role of surveying (geomatics) professionals • Action plan
Geographical Information System for Civil Engineering and Surveying Lectures: 3. The geodetic reference framework • Background • The local geodetic reference frameworks • Characteristics of geodetic reference framework • Producers of geodetic reference framework data
Geographical Information System for Civil Engineering and Surveying Lectures: 4. The base map • Review of the map concepts • Definitions • Purpose and use of base map • Types of base maps • Combination of planimetric and cadastral approach • Digital mapping • Developing a base mapping program
Geographical Information System for Civil Engineering and Surveying Lectures: 5. The cadastral overlay • Boundary descriptions • Simultaneous and sequential conveyance • Evidence of property boundaries • Fixed and movable boundaries • Discrepancies among property boundaries • Description of the public land survey system (PLSS) • Legal description of the PLSS • Retracement surveys and corner recovery
Geographical Information System for Civil Engineering and Surveying Lectures: 6. Linkage Mechanisms • Database basics • The nature of data in an multipurpose land information system (MPLIS) • The nature of data linkage • Technical considerations for data linkage • Economic considerations • Institutional considerations • Privacy issues
Geographical Information System for Civil Engineering and Surveying Lectures: 7. Resource and environmental overlays • Raster data • Vector data • Data accuracy and quality control • Topographic mapping • Topographic mapping standards • Parcel mapping
Geographical Information System for Civil Engineering and Surveying Lectures: 8. Data sources • Geographical data collectors and providers • Acquiring digital datasets from a data supplier • Creating digital datasets by manual input • Interpolated data • Data updating and storage
Geographical Information System for Civil Engineering and Surveying Lectures: 9. Case studies • Accuracy study • A county land record system • BLM’s Geographical Coordinate Data Base (GCDB
Geographical Information System for Civil Engineering and Surveying Lectures: 10. Federal Geographical Data Committee (FGDC) Standards • Geospatial standards, • Fact sheet on standards of FGDC • FGDC endorsed standards
Geographical Information System for Civil Engineering and Surveying Lectures: 11. GIS design: system implementation • Laying the foundation • User needs assessment • System requirements analysis • Implementation • Testing
Geographical Information System for Civil Engineering and Surveying Lectures: 12. Future trends • Technology trend • Changes in data supply • Changes in users
Geographical Information System for Civil Engineering and Surveying Lab activities: • ArcView sampler • Add layers to a view • Set view properties • Using the Legend Editor • Set layer display properties • Add and edit tables • Select and summarize records • Join and link tables • Create a chart
Geographical Information System for Civil Engineering and Surveying Lab activities: • Create and edit shapefiles • Use layer-on-layer selection • Join and merge spatial data • Address geocoding • Create a map layout • Create point and linear event layers • Display images in a view • Create a base map • Create a cadastral layer • GIS design project
Geographical Information System for Civil Engineering and Surveying Learning Outcomes: • Use GIS related software. • Apply GIS knowledge in civil engineering and land surveying fields. • Incorporate CAD drawing and surveying data into GIS. • Analyze and interpret data. • Build a multipurpose land information system with GIS technology by linking geodetic reference, base map, cadastral overlay and other information overlays. • Identify, formulate and solve GIS problems. • Recognize the need for lifelong learning and gain lifelong learning skills. • Recognize the need for professional registration or licensing in land surveying.
Geographical Information System for Civil Engineering and Surveying Assignments: • Review the definitions and history of GIS. • Find data sources for GIS, including local library, Internet, local and national meetings, and user groups. • Discuss how civil engineers and land surveyors can benefit from using GIS. • Explain how MPC, LIS and GIS fit together. • Define the components of a database. • Develop a simple data model for a cadastre. • Find you local geodetic reference frame. • Create a simple base map using the cadastral approach. • Create a simple cadastral overlay.
Geographical Information System for Civil Engineering and Surveying Assignments: • Define raster and vector data. • Create a environmental overlay. • Link the base map, cadastral overlay and environmental overlay together with GIS technology. • Discuss the issues related to data accuracy, security, privacy and quality control. • Study the FGDC standards. • Identify a civil engineering problem and build a simple GIS for it. • Discuss what would happen to GIS technology in ten years and how you deal with it. • Write project reports. • Practice on the GIS software. • Prepare for quizzes and exams.
Geographical Information System for Civil Engineering and Surveying Textbooks: • Ormsby, Napoleon, Burke, Groessl, and Feaster, Getting to Know ArcGIS Desktop, 2004 • FGCS, Multipurpose Land Information Systems: the Guidebook, Updated through 1994. • Burrough and McDonnell, Principles of Geographical Information System, 1998 • Crossfield, GIS lecture notes, 2004
CAD for Civil Engineering, Surveying and Land Development Course Description: This is a course on computer-aided design and drafting for civil engineering, surveying and land development. The AutoDesk/Land Desktop software program will be utilized. Students will acquire the necessary computer skills to use the software for applications in civil engineering design and land development projects. Topics include basic drawing component management, parcel computations, terrain surface modeling and contours, alignments and stationing, cross sections, volume computation, and profiles. In addition, the course will discuss the creation of design templates and improvement plans in civil engineering land development projects.
CAD for Civil Engineering, Surveying and Land Development Lectures &Lab Activities: 1. An overview of Computer aided design and drafting (CADD) in civil engineering, surveying and land development • Background • The need for a separate CADD system • An overview of AutoDesk Land Desktopcivil engineering and land development projects 2. Drawing set up • New drawing and project initialization • Prototypes and projects • Creating and editing prototypes
CAD for Civil Engineering, Surveying and Land Development Lectures &Lab Activities: 3. LD points and point management • Creating and acquiring point data • Analyzing and reporting point data • Editing point data • Annotating point data 4. LD Lines and Curves • Creating lines and curves • Analyzing line and curve data • Editing and annotating lines and curves • Line, arc, and spiral tables • Point data from lines and arcs
CAD for Civil Engineering, Surveying and Land Development Lectures &Lab Activities: 5. Parcel Computations • Settings • Creating parcels from entities • Editing lots • Annotating lots 6. Terrain surface modeling and contours • DTM settings • Surface and contour data • Surface analysis • Editing surfaces
CAD for Civil Engineering, Surveying and Land Development Lectures &Lab Activities: 7. Roadway design - horizontal alignment • Settings • Creating roadway centerlines • Centerline editing and analysis • Creating new data from an alignment • Stationing the alignment 8. Roadway design – profiles and vertical alignment • Profile settings • Creating and editing profiles • Creating a vertical alignment • Analyzing and editing vertical alignments • Stationing the alignment
CAD for Civil Engineering, Surveying and Land Development Lectures &Lab Activities: 9. Cross sections • Cross section control • Superelevation control • Cross section plotting • Cross section sampling • Creating cross sections 10. Templates • Defining and editing a template • Defining and editing a subassembly • Manipulation of the template
CAD for Civil Engineering, Surveying and Land Development Lectures &Lab Activities: 11. Transitional alignments • Transition control and region points • Processing and viewing transitions • Transition control of multiple template surfaces • Importing transition control data 12. Slope control and superelevation • Simple slope control and benching • Depth, stepped and surface parameters • Superelevation
CAD for Civil Engineering, Surveying and Land Development Lectures &Lab Activities: 13. Grading, and grading objects • Grading with points and contours • Grading with a 3D polyline • Grading with grading objects 14. AutoDesk survey basics • Introduction • Point tools • Figure functions
CAD for Civil Engineering, Surveying and Land Development Lectures &Lab Activities: 15. Survey data collection • Downloading raw files from data collector • Creating figures directly from the field • Uploading to the data collector 16. Traverse • Traverse operations • Multiple observations • Electronic data traverse
CAD for Civil Engineering, Surveying and Land Development Lectures &Lab Activities: 17. Volume Computations • The site volume process • Site volume settings • Grid volumes • Section volumes • Composite surface volumes • Parcel volumes 18. Creating Improvement plans for civil engineering and land development projects • Processing a roadway design • Reviewing design results • Editing a roadway design • Creating cross sections • Sheet manager • Generating points and surface from the final design