1. what parameters to describe the ellipsoid earth model
2. link those
Raster
vector
Shapefile
Coverage
TIN
Grid
Image
vector
3.
4.
5.
6.
Point
Line
Area
Network
Surface
Continuous data
Discrete data
what is raster data model, the advantages and disadvantages of using this model
why a projection or a coordinate system is needed and important for GIS data
latitude of 29.375 in DD = degree___, minutes___, second___ in DMS
draw a simple graph to illustrate the three different Earth surfaces, and the
relationship of them
7. which two basic data models to represent spatial data
8. three different earth surfaces we mentioned in last lecture, which three? How do
we define them?
9. what are TIN and grid, the differences and commons of them
10. what is map projection
11. list and explain different data formats to represent the vector and raster data
models
12. which three physical models been used to project the 3-D earth to 2-D map
13. what are shapefile and coverage, the differences and commons of them
14. what is datum?
15. what is vector data model, the advantages and disadvantages of using this model
16. what are the meridian and parallel