2 Spatial Data Models

Geographical Information System · Unit 2

Spatial Data Models

Exam-focused notes for Spatial Data Models (Geographical Information System, BIT355): what the TU syllabus asks and how it has actually been tested, with 2 solved past questions from this unit.

What this unit covers

  • Spatial data model definition
  • Vector data model
  • Raster data model
  • Vector vs Raster applications
  • Advantages and disadvantages of each model

Spatial data model definition

208010 marks

What is Spatial Data Model? Explain vector data model and raster data model with application area.[10]

A Spatial Data Model is a conceptual framework used to represent and organize geographic or spatial information in a computer system. It defines how real-world geographic features and phenomena are abstracted, stored, and manipulated in a Geographic Informa...

Full solved answer →
010 marks

What is Spatial Data Model? Explain vector data model and raster data model with application area.[10]

A Spatial Data Model is a conceptual framework used to represent and organize geographic or spatial information in a computer system. It defines how real-world geographic features and phenomena are abstracted, stored, and manipulated in a Geographic Informa...

Full solved answer →