| PROFESSIONAL SUBJECTS | |
| TR-c12 | Geodesy |
|
II. grade 1. semester --
Lectures per week: 2+3 --
exam + practice mark --
Credit: 5 Responsible: Györffy János -- Lecturer: Winkler Gusztáv (external), PhD student |
| Detailed description of the subject (theory) | |
| 1. week | The role of geodesy, its place in gathering information. Relations with GIS, data acquisition scale. Large scale GIS databases. |
| 2. week | Horizontal measurements. Shape of the Earth, equipotential surface, systems of co-ordinates. Concept and tools of bearing. |
| 3. week | Horizontal measurements. Types of theodolites. Methods of horizonthal measurements. |
| 4. week | Horizontal measurements. Automation of goniometry. Distance measurements, geometrical and physical methods. |
| 5. week | Determination of heights. Concept and tools of levelling, optical leveller. Methods, parameters of levelling, trigonometrical altimetry. |
| 6. week | Calculations on the projected plane. Basic geodetic calculations, planar systems of co-ordinates. Foresight, cutting-in, resection. |
| 7. week | Position determination by navigational satellites. The structure of GPS. Satellites and ground station subsystems, methods, possibilities, accuracy. |
| 8. week | Geodetic networks, point densification. Classic horizontal and vertical network. Point densification with GPS. |
| 9. week | Planning geodetic surveys. Correlation between area, scale and costs. Flow of works. |
| 10. week | Detailed survey. Principles of horizontal and vertical surveys. Measuring Cartesian co-ordinates, levelling, tachimetry, GPS measurements. |
| 11. week | Other methods for measuring co-ordinates in large scale mapping. Primary and secondary data acquisition, active scanners. |
| 12. week | Maps in practical geodesy. Content of geodetic base maps, accuracy. Computer maps, map systems. |
| 13. week | Large scale (geodetic) GIS databases (municipal, archeological, building reconstruction). Data acquisition methods, editing base maps, questions of detail and accuracy. |
| 14. week | Middle scale (topographic) GIS databases (environmental, planning, historical).HYbrid mapping methods, thematic map modelling. |
| 15. week | Summary |
| Recommended reading: |
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| Detailed description of the subject (practice) | |
| 1. week | Review; rudiments; simple surveying tools (range pole, right angle prism); ranging; distance measuring; orthogonal survey |
| 2. week | Executing orthogonal survey |
| 3. week | Getting to know the theodolite |
| 4. week | Practising with theodolite |
| 5. week | First and second basic geodetic tasks (calculating angle and distance) Geodetic calculations: Foresight, cutting-in, resection Trigonometric altimetry |
| 6. week | Measuring with theodolite (practical geodetic calculations) |
| 7. week | Tachymetry |
| 8. week | Rating: Setting out, uprighting the vertical axis |
| 9. week | Levelling instruments |
| 10. week | Levelling |
| 11. week | Rating: Using reader instruments. Traverse surveying |
| 12. week | Traverse surveying |
| 13. week | Additional opportunity |
| 14. week | Test |
| 15. week | Consultation, grading |
| Recommended reading: |
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