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Topographic Maps将让你学会如何阅读和使用这些图形来研究不同刻度下的█原理、比例、位置。你会读到和绘制轮廓线、构建地形剖面和确定边坡和赈灾。包括全彩色动画、相片、有关美国主题地图投影等。
With Introduction to Topographic Maps you will learn how to read and use these maps to determine elevations, principles of scale, location and more. You will read and draw contour lines, construct topographic profiles and determine slope and relief. Includes full color animations, photos, related topics on Map Projections, U.S. Geological Survey, where to order topographic maps, and more. Intended for grades 8 through introductory college.Table of 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
System requirements
MacIntosh
25 MHz 68030 or faster CPU
System 7.0.1 or newer
8 MB of free RAM
256, thousands or millions of colors recommended
Windows
33 MHz 486 or faster
Windows 98/NT/ME/2000/XP
16 MB installed RAM
256, thousands or millions of colors recommended
