Review Text: Chapter 9, 10 and 13 in Longley Et Al. Geographic Information Sysytems and Science
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GEOGRAPHY 350 Study Guide October 2004 Quiz #3 Review Text: Chapter 9, 10 and 13 in Longley et al. Geographic Information Sysytems and Science Review UNITS 10 , 11, 12, 13 and 14 from the NCGIA curriculum (on web at course home page http://www.geo.wvu.edu/~elmes/Geog350/geog350ie.htm)
1) Describe the use of a “Spatial Data Model” in GIS and identify two common GIS data models.
2) In your own words describe the difference between a spatial entity and a spatial object
3) Identify and explain the steps involved in GIS database design
4) Compare and contrast the two data models shown in Figure 1.
1 2
Figure 1.
5) Using Figure 2, identify and label examples of 0-Dimensional, 1-Dimensional and 2-Dimensional spatial objects. Figure 2.
1+ 2+
Dr. Gregory Elmes 1 4/7/2018 GEOGRAPHY 350 Study Guide October 2004 Quiz #3
6) Using an4+ annotated diagram, illustrate how point attributes may be related to point objects.3+
7) Define “spatial database”
8) Explain the difference between Contiguity and Connectivity (Hint- it has to do with topology)
9) Define SQL DBMS Relate Spatial, Locational or Geographical Query Key (attribute) Logical Database Model
10) Identify the following definitions:
Any collection of data accessible by computer
A find operation in a GIS that uses spatial properties as its basis
A column in a table or data file.
A GIS operation in which layers with a common, registered map base are joined on the basis of their occupation of space.
A numerical entry that reflects a measurement or value for a feature.
Dr. Gregory Elmes 2 4/7/2018