Mapping Hacks

Visualize Your Tracks in Three Dimensions #53

Chapter 5, Mapping with Gadgets

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HACK

Now, click the 3DMap option from the menu bar at the top, which loads the

Scene Properties dialog. Although we recommend experimenting with this

on your own, for now just click OK. The program will take a minute or so to

render the scene, and then it will display a 3-D model of Yosemite Valley!

You can then “fly through” the Yosemite Valley by selecting Camera Mode

➝

Slide. Navigate through the valley by dragging the mouse. Figure 5-9 shows

one view of the sample track snaking up the side of the valley. Speaking as

one who has spent time navigating that valley on foot, using the mouse is

much quicker!

Loading Your Own Data

Once you tire of exploring Yosemite you can load Digital Raster Graphics

(DRGs) and Digital Elevation Models (DEMs) for your own area. Since

sources of data vary, you’ll want to follow the instructions provided by the

source’s web site.

Figure 5-8. Terrabrowser centered on waypoint “Box1”