Basemap Window

With the Basemap Window, you can view your data displayed on top of some reference basemap. With this window, you can get better context for the data you are viewing in the main Focus window.

To view data in the Basemap Window

In the Focus window, select the data from the Maps tree that you want to see in the Basemap Window.
On the View menu, click Basemap Window.
The Basemap Window appears. Initially there will be a window showing the progress of preparing to fly in to see your starting data.

Use the tools on the various toolbars to adjust the view, as necessary.

Button	Name	Description
	Display map layer selection	Switch the visiblity of all of the map layers, other than the basemap, in the Basemap Window.
	Zoom to Overview of Layers	Adjust the magnification so that the full extents of the layers appear in the viewer.
	Zoom to Overview	Adjust the magnification so that the entire image appears in the viewer.
	Zoom Interactive	Drag a rectangle over the area you want to magnify.
	Zoom In	Increase the magnification incrementally, centered on the cursor. You can also: Rotate the wheel button forward. To increment the zoom by a factor of two, hold down the Ctrl key, and then rotate the wheel button forward. Click a location or feature in the image, and then press Page Up.
	Zoom Out	Decrease the magnification incrementally, centered on the cursor. You can also: Rotate the wheel button backward. To increment the zoom by a factor of two, hold down the Ctrl key, and then rotate the wheel button backward. Click a location or feature in the image, and then press Page Down.
	Zoom 1:1	Adjust the magnification so that one screen pixel displays one image pixel, centered on the cursor.
	Pan	Drag the image to view a specific area. You can also: Pan horizontally to the left and right by, while holding down the Shift key, rotating the wheel button forward and backward, respectively. Pan vertically up and down by, while holding down the Alt key, rotating the wheel button forward and backward, respectively.
	Enhancements	Apply an enhancement to a selected image. Enhancements make the image on the screen clearer and easier to interpret without changing the actual values of the image file. Click the arrow to select from the following according to the enhancement you want: None Linear Root Adaptive Equalize Infrequency Tail Trim Exclude Min/Max Set Trim % For information about each enhancement type, see Enhancement options.
	Contrast	Adjust the light and dark extremes in the images. To increase or decrease the light and dark extremes, click the arrow beside Contrast, and then click Increase Contrast, Decrease Contrast, or Reset Contrast, as applicable.
	Brightness	Adjust the overall luminosity (amount of light) in the images. To increase or decrease overall luminosity, click the arrow beside Brightness, and then click Increase Brightness, Decrease Brightness, or Reset Brightness, as applicable.
	Advanced Contrast and Brightness	Open the Advanced Contrast and Brightness window, in which you can do the following: Brighten or darken an image Increase or decrease the difference in shading (the contrast) Add or remove red Add or remove blue Add or remove green For more information about Advanced Contrast and Brightness, see Applying advanced contrast and brightness
	Cursor Control	Open the Cursor Control window, in which you can define the cursor position in different coordinate systems. You can move the cursor in any of the supported coordinate systems by changing the associated coordinates. For more information about setting up cursor control, see Controlling the cursor.
	Measurement Tools	Click to select a tool to measure a line, polygon, rectangle, or ellipse. You can also select a unit of measure for lines, area, and angles. For more information about working with the measurement tools, see Using Measurement Tools.

Tip: At any time, and regardless of whether you have a zoom tool selected, you can rotate the mouse wheel forward to zoom in, and rotate the mouse wheel backward to zoom out.