Do the points and lines represent the data with the same level of abstraction?
Discuss in terms of their representation of the two data layers that we have added so far, and in terms of other types of data that they might represent. Use one of the data frame zooming tools pictured below to zoom in on an intersection between a group of cities and highways. Use the Zoom to Full Extent (the globe ) icon to zoom back out. Question: Do one set of features appear to be on top of another? Which one is on top? Why do you think this is? If you are having problems determining which layer is on top of the other, it may help to enlarge the size of the symbol representing the city point data. Add the states.shp data layer from the same directory as before. Question: Describe the similarities and differences between points, lines, and polygons. Which data type do you think is easiest to work with? Why? Which data type you think is most accurate? Why? Go to top of page. Exploring attribute tables As is stated in the text, the power of the GIS is in allowing the attribute and th
