II. grade 1. semester --
Lectures per week: 2+3 --
exam + practice mark --
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.|
|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)|
|8. week||Rating: Setting out, uprighting the vertical axis|
|9. week||Levelling instruments|
|11. week||Rating: Using reader instruments. Traverse surveying|
|12. week||Traverse surveying|
|13. week||Additional opportunity|
|15. week||Consultation, grading|