How to draw topographic map. Ive posted articles about topographic maps before on my blog namely my contour map effect illustrator tutorial and my free pack of topographic map patterns. The following list provides some guidelines for effectively constructing a topographic profile and uses the topographic map and profile line provided to the left you can download a pdf of the map and profile to work from acrobat pdf 23mb jul18 11. But what if you want to draw it by hand. If youve ever tried to get gis data or find a city topographic map you know exactly what i mean.
It worked pretty well but i went on to develop a. Ive wanted to write this blog post for a long time but this weekend pushed it forward on my list because of something my daughter said to me. You can easily generate contour lines with the click of a button in cad or gis software. Learn how to draw contour lines by first plotting elevation points.
Topographic maps are used by architects geographic profressionals and by outdoor recreations primarily hikers. National geographic recommended for you. My first tutorial used illustrators blend tool to draw a series of concentric lines. Because its impractical to mark the elevation of every contour line on the map the index contour lines are the only ones labeled.
Show students map images and introduce the activity. Topographic maps are specifically purposed for elevation of the land area as well as outlining geographic locations such as mountains. How to create sketchup topography. To make topographic maps easier to read every fifth contour line is an index contour.
The contour lines then portray the 3 dimensional shape of the surface of the land. Display the images of topographic or contour maps. Make sure students understand that contour maps though 2 dimensional use contour lines to show elevation above sea level.