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RS32243 – Digital Elevation Modelling

Course Outline

Course

Course Specialization

:  RS32243 –  Digital Elevation modeling

:  Remote Sensing

Programme

:  BSc in Surveying Sciences – Foundation Course

Department

:  RSGIS

Faculty

:  Faculty of Geomatics

Contact Hours

:  100

Year

:  IV

Semester

:  I

Lecturer

: Ms. I.A.K.S.Illeperuma

Room No.

: FF/10

Telephone No.

:  045-3453019

E-mail

: kalani@geo.sab.ac.lk

 

Synopsis

This course provides students to an understanding of the fundamental principles and techniques of digital terrain modelling and visualization. Further course practical training on use of ARCGIS software to generate DEM from different source data, to form different product of DEM, and to use of interpolation techniques to create DEM

 

Contents

Introduction to DEM, Terrain Descriptors, Sampling Strategies & data collection for DEM, Digital Terrain Surface Modelling, Triangular network formation for surface modelling, Interpolation techniques for terrain surface modelling, Quality control in terrain data acquisition, Accuracy of DEM

 

Learning Outcomes

By the end of the course, students should be able to:

No.

Course Learning Outcome

Programme Outcome

Assessment Methods

1.

Define  Digital Terrain Model (DTM), Digital Elevation model (DEM), Digital Surface model (DSM), Digital Ground Model (DGM), Digital Height model (DHM)

P01

Final Exam

2.

Explain process of DEM and development of EM

P01

Final Exam

3.

Describe data sources & types, and collect datato generate DEM

P01/P03/P04

Assignment/ Final Exam

4.

Describe and apply interpolation techniques of DEM.

P02/P04

Assignment/ Final exam

5.

Interpret various types of terrain parameters

P02/P04

Assignment/ Final exam

6.

Explain approaches for DEM, TIN generation and apply different modelling techniques for a given set of data .

P01/P03

Assignment/ Final exam

7.

Know quality control, accuracy of DEM, visualization of DEM and application field

P01

Final exam

8.

Critically analyze DTM products

P02/P04/5

Final exam/ Presentation

 

Student Learning Time (SLT)

Teaching and Learning Activities

Student Learning Time (hours)

Directed learning

Lecturer and Student Centered Learning

  1. Lecture
  2. Practical

 

12

30

Independent Learning

  1. Student Centered Learning activities

18

  1. practical

14

  1. Self-Learning (Library & Internet)

10

  1. Revision

12

Assessment

  1. Continuous Assessment

03

  1. Final Examination

01

TOTAL (SLT)

100

 

Teaching Methodology

Lectures, and individual and group assignments, Lab practicals

 

References

  • Various web/other resources will be provided during the course

 

Grading

Assignment (x5)

50%

Final Examination

50%

Total

100%