Introduction to Topographic Maps
$39.95		(Win95/98/2000/Me/XP/Mac) (Retail) (TOPOMAPSDR)

TASA Graphic Arts, Inc.

Reference / Science

Grades 7-12 and College

Written by Kenneth Pinzke, Belleville Area College

As detailed, scale model overhead representations of our earth's surface, topographic maps are indispensable tools in geological and engineering studies.

With Introduction to Topographic Maps you will learn how to use these maps to determine elevations, landform types, principles of scale, location and much more. You will read and draw contour lines based on points of known elevations, construct topographic profiles, and determine slope and relief.

Contents:

• General Topographic Map Information
• Map Scale
• Location: Latitude and Longitude
• Location: Public Land Survey
• Location: Universal Transverse Mercator
• Principles of Contour Lines
• Using Contour Lines
• Topographic Profiles
• Drawing a Contour Map
• Topographic Maps, Aerial Photographs, and Satellite images
• Review

Plus additional topics of interest include:

• The U.S. Geological Survey
• Finding Your Way with Map and Compass
• Map Projections
• Public Land Survey Meridians and Base Lines
• Where to Order Topographic Maps...
• and more

Requirements:

Windows: IBM compatible 386DX or better, SVGA (8-bit, 256 colors in 640x480), double speed CD-ROM drive, 4MB RAM.

Macintosh: Macintosh with 8 bit (256 color) graphics, double speed CD-ROM drive, 4MB of free RAM memory, System 6.0.7 or newer, 25MHz 68030 or better.

Reviews:

Earth Magazine:

"Tasa Graphic Arts' Introduction to Topographic Maps delivers just what the title promises... Some people easily grasp the basic idea underlying map projections - distorting a sphere onto a flat sheet - but not everyone can envision it. For them it will be helpful to see a brief animation that slices open a 3-D globe, unwraps it and flattens it into a Mercator projection. Likewise, understanding magnetic declination becomes simpler when the viewer can watch a compass needle change direction relative to true north as the compass moves from east to west."

Geotimes Magazine:

"Beautiful graphics, sound, and animation make this a joy to use... The shaded 3-D surface that rotates into a profile will knock your socks off! I particularly like the contour example where a hilly surface is slowly flooded with water and contour lines are rendered on a plane floating above the surface."

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