Learning to Draw Contours
In the space below, you can step through a series of maps containing data values that you'll be asked to "analyze" by drawing isopleths that connect points of equal value. Each lesson presents more data points within the same field.Across the top of the drawing region are a series of buttons:
 | Erase Last Line - This button erases the last line you've drawn. Hitting this button twice will erase the last two lines you drew. |
| Colors - Use this to select the color of the isolines you draw. |
| Next Map - This button erases the screen and presents more data values. |
| Show Solution - If you want to see how we analyzed the data click on this button. |
(Copyright 1997, University of Wisconsin-Madison/SSEC)