Using JMP - SAS

Chapter 9 JMP Platforms 299
Alter Plot and Chart Appearances
The data should have latitudinal and longitudinal coordinates. Otherwise, the map has no meaning in the
context of the data. The x and y axes also have range requirements based on the type of map. These
requirements are described in the following sections.
Two tools are especially helpful when you are viewing a map:
• The grabber tool ( ) lets you scroll horizontally and vertically through a map.
• The magnifier tool ( ) lets you zoom in and out.
Note: For more information on images and boundaries, see the Graph Builder and Maps chapters in Basic
Analysis and Graphing.
The following sections describe the map images and boundaries that you can add to a graph.
Earth Images Installed with JMP
JMP provides two levels of earth imagery, simple and detailed. Both maps show features such as bodies of
water and terrain. However, detailed maps show more precise terrain. And with detailed maps, you can
zoom in farther, and the map features remain clear.
The maps wrap horizontally, so you continue to see map details as you scroll from left to right. The maps do
not wrap vertically. Beyond the -90 and 90 y-axis range, a plain background appears instead of the map.
Figure 9.25 Examples of Simple and Detailed Maps
Simple Earth image
Detailed Earth image
Maps from the Internet
The National Aeronautics and Space Administration (NASA) map and other Web sites provide map image
data using a protocol called Web Map Service (WMS). These maps have the advantage of showing the most
up-to-date geographical information. However, the display of the maps can be slow depending on the
response time of the server. An Internet connection is also required.
Unlike with simple and detailed maps, WMS maps do not wrap. You can scroll horizontally and vertically.
However, beyond the -180 to 180 (x axis) and -90 to 90 (y axis) ranges, a plain background appears instead
of the map.