GPS for Dummies.pdf - Engineering Surveyor

214Part III: Digital Mapping on Your ComputerDon’t overlook the keyboard and mouse shortcutsin Terrain Navigator that can speed thingsup as you move around the map. They include Shift+click: Zooms out and centers the mapat the location you clicked — unless thezoom-out (magnifying glass icon with a minussign) tool is selected, in which case you’llzoom in.Shifty tips Shift+Ctrl+click: Centers the map whereveryou click. Ctrl: Changes the cursor to the Drag tool andallows you to scroll the map. Right-click: Displays a pop-up menu withzoom and other options.Moving around in a mapMore than likely, you’ll want to move around the map and check out thecountryside that currently isn’t being displayed onscreen. Here’s how: Move the cursor to one of the edges of the map. The cursor turns intoan arrow; click to scroll the map in the direction that the arrow points. Click the Drag tool on the toolbar. (It’s shaped like a hand.) Move thecursor to the map and hold down the left mouse button; then scroll themap by dragging. Click the Center tool on the toolbar. (It’s shaped like a bull’s-eye withcrosshairs.) With this tool selected, wherever you click the map, themap is drawn so it’s centered at that location. Move the rectangle in the overview map. A small overview map appearsto the left of the main map. A blue rectangle shows what part of the mapis currently displayed onscreen. You can drag the overview map rectangleto show a new location onscreen.As you move the cursor around the map, the coordinates and the elevationunder the cursor location are displayed in the toolbar. This is useful for determiningthe exact locations of features on the map.Changing the map sizeTerrain Navigator offers two ways for you to change the size of a map andshow more detail or area.