Geospatial Positioning

Code:

EGEO2003

Acronym:

EGEO2003

Keywords
Classification	Keyword
OFICIAL	Surveying Engineering

Instance: 2021/2022 - 1S

Active?	Yes
Responsible unit:	Department of Geosciences, Environment and Spatial Plannings
Course/CS Responsible:	Bachelor in Geospatial Engineering

Cycles of Study/Courses

Acronym	No. of Students	Study Plan	Curricular Years	Credits UCN	Credits ECTS	Contact hours	Total Time
L:B	0	Official Study Plan	3	-	6	56	162
L:CC	0	study plan from 2021/22	3	-	6	56	162
L:EG	10	The study plan from 2019	2	-	6	56	162
L:F	0	Official Study Plan	3	-	6	56	162
L:G	0	study plan from 2017/18	3	-	6	56	162
L:M	0	Official Study Plan	3	-	6	56	162
L:Q	0	study plan from 2016/17	3	-	6	56	162

Teaching language

Suitable for English-speaking students

Objectives

It is intended that students acquire the fundamental knowledge on the instrumentation and methods to be used in the collection and processing of measures necessary to the representation of the terrain in a map, according to the classical topographic methods. It is also intended to transmit knowledge of alternative techniques to traditional topography methods, namely terrestrial and aerial laser scanning systems, as well as data acquisition with drones. The physical principles of instrumentation, the associated direct georeferencing techniques (GNSS + INS) and the mathematical methods involved in data processing will be teaching. The CU will have a strong practical component. The students will develop field data acquisition projects (ground laser and drone operation) and processing the data. There will be articulation with companies and public entities that use these techniques.

At the end of this course students, besides the comprehension of principles involved in the geospatial instrumentation studied, be able to execute the basic operations with the main instruments with which they will contact

Learning outcomes and competences

The program covers not only the classical topography techniques but also some satellite positioning methods. The contact with the instruments and the realization of several surveys in the field, in the practical laboratory classes, are an opportunity for the students to perform different works related to the representation of the terrain.

Working method

Presencial

Program

1.Introduction: planimetry and altimetry reference surfaces.
2. Measurements and topographic equipment. Geometric and Trigonometric Leveling.
3 . Methods of intersection and topographic irradiation.
4. Topographic Surveys. Polygonal.
5. Terrestrial LiDAR systems -principles of operation. Spatial relationship of point clouds in different coordinate systems. Applications in indoor and outdoor surveys.
6. Airborne LiDAR systems -principles of operation. Direct georeferencing based on the integration of satellite positioning and inertial navigation systems (INS). Remote sensing applications with airborne LiDAR: forests, urban and coastal areas.
7. Acquisition of aerial data with drones(image and LiDAR). 10. Missions planning and drone operation in the field.
8. Images indirect or direct georeferencing obtained by drones.
9. Drones for hydrographic surveying.

Mandatory literature

Gonçalves, J.A., Madeira, S., Sousa, J.J.,; Topografia - Conceitos e Aplicações (3ªEdição Atualizada e Aumentada). , Lidel - Edições Técnicas, lda., 2012. ISBN: 978-972-757-850-4
Vosselman, G., Maas, H.G., 212; Airborne and Terrestrial Laser Scanning. , Whittles Publishing, 2012. ISBN: 978-1904445-87-6
Hofmann-Wellenhof, B., H. Lichtenegger, and E. Wasle; GNSS – Global Navigation Satellite Systems: GPS, GLONASS, Galileo, and more, 2008

Teaching methods and learning activities

In the theoretical classes the different topics are presented through powerpoint slides, presentation in the framework of mathematical formalisms for processing GNSS / INS, LiDAR and images data. In the practical classes, data collection and processing will be carried out.

Software

Agisoft
AutoCAD
QGIS

Evaluation Type

Distributed evaluation with final exam

Assessment Components

designation	Weight (%)
Exame	50,00
Trabalho prático ou de projeto	50,00
Total:	100,00

Amount of time allocated to each course unit

designation	Time (hours)
Frequência das aulas	28,00
Trabalho de campo	28,00
Total:	56,00

Eligibility for exams

40% minimum in each of the evaluation components.

Calculation formula of final grade

The evaluation is composed by two components: (1) a final written examination; (2) a report describing the surveys made in the fieldwork, its analysis, discussion and presentation.

Observations

Due to the pandemic (COVID-19), part of the face-to-face assessment may be replaced by remote assessment, maintaining the same assessment criteria.