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# SPA303 Algorithms in GIS and Modelling (8)

### Abstract

 This subject aims to cover the required skills to analyse and develop mathematical algorithms for GIS.

### + Subject Availability Modes and Location

 Continuing students should consult the SAL for current offering details prior to contacting their course coordinator: SPA303 Where differences exist between the handbook and the SAL, the SAL should be taken as containing the correct subject offering details.

### Subject information

One sessionHD/FLSchool of Environmental Sciences

 MTH102

### Learning Outcomes

 Upon successful completion of this subject, students should: Understand the mathematical concepts required for the development of GIS and CAD related algorithms;Have gained a good understand of applications of computational geometry concepts to GIS and modelling;Be able to analyse, modify and design various GIS algorithms that employ geometrical concepts.

### Syllabus

 The subject will cover the following topics:Concept of space and geographical data; Introduction to geometrical concepts used in GIS and modelling; Curves (including interpolation and splines concepts widely used in GIS); Relational properties: distance between two points; distance between a point and a curve; distance between two curves; Intersections: line, plane and curve intersections; Coordinate systems and map projections for GIS - Terrestial systems - Plane systems - Projections (transformations) - Choice of a suitable projection; Transformations used in GIS - Translation, rotation, scaling - Homogeneous transformations - Nonlinear transformations; Fundamental graphical procedures used in GIS - Vector techniques - Raster techniques; Projections on computer graphics - The Display Environment - Projections - Scene transformations - Hidden surfaces; Computer systems and low and high level data structures for GIS - Classification of systems - Software development strategy - Spatial Data models and structures - Three dimensional GIS.

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The information contained in the 2016 CSU Handbook was accurate at the date of publication: 06 September 2016. The University reserves the right to vary the information at any time without notice.