1. Intro. To GIS Pre-lab 3 February 13 th, 2012

2. Copyright © 2011 by Maribeth H. Price 3-2 Choosing symbols Natural earth tones usually look better than strident colors Use pastels for most of map; use bold colors sparingly for emphasis Take advantage of the psychological aspects of different colors and symbols Mimic phenomena, such as using blue to represent water Make ramps easy to understand Apply emphasis with color, size, and thickness

3. Copyright © 2011 by Maribeth H. Price 3-3 Symbol psychology Where is the water? Where is there less rain? Which towns have more people? What’s there? Where’s the danger?

4. Copyright © 2011 by Maribeth H. Price 3-4 Vibrating Moiré pattern obscures roads Use see-through lines to indicate urban areas Symbol tricks

5. Copyright © 2011 by Maribeth H. Price 3-5 Choosing symbols Which one looks more aesthetic? Which one is easier to understand? Which one shows the roads better?

6. Copyright © 2011 by Maribeth H. Price 3-6 Improving a world map More pastels Natural colors Use ramp to indicate increasing population Emphasize the important information

7. Copyright © 2011 by Maribeth H. Price 3-7 Pay attention to details! Crowded Unclear name Abbreviations Poor formatting Much better!!!

8. Copyright © 2011 by Maribeth H. Price 3-8 B&W maps Special principles apply to maps that are black/white or will be copied or faxed. – Best to design in B&W rather than assuming it will copy all right – Use no more than 5 gray levels – Use different patterns instead of colors – B&W maps may not be able to show as much – Color balance rules still apply—use mostly light patterns; emphasize small regions with dark ones

9. Copyright © 2011 by Maribeth H. Price 3-9 Geologic map for color printing Geologic map for B&W printing