1.3.2. Types of Spatial Data

Try these first

1. 1.

   What does vector data represent?

   Hint

   Think about physical features like roads and buildings.

2. 2.

   What type of data is represented in pixels?

   Hint

   This data is often used in digital images or maps.

3. 3.

   Which of the following is an example of vector data?

   • Satellite image
   • Road map
   • Color gradient

   Hint

   Consider which option depicts distinct locations or boundaries.

4. 4.

   True or False: Raster data is always pixel-based.

   • True
   • False

   Hint

   Think about how rasterized images are constructed.

5. 5.

   Analyze a GIS map displaying land use. Identify which type of data is best for representing the zoning of different parcels and justify your choice.

   Hint

   Think about how you would visually separate different areas using basic shapes.

6. 6.

   You need to create a digital elevation model from satellite images. Discuss what type of data you will leverage and provide reasoning for your choice.

   Hint

   Consider the kind of detail necessary to model continuous surfaces like mountains.