Help Document
Open
and reorder multi-temporal image themes (layers)
Click and hold down mouse to drag a rectangle box to zoom in the area
of interest
Click and hold down mouse to drag a rectangle box to zoom out
Drag
the mouse upper-right to zoom in, lower left to zoom out
Click
and drag the mouse to pan the image
Click
to fit the image on screen to full view
Click
and open the set units dialog box, change the length and area units used
for display.
Click
to measure point position in
the displayed image
Click
to measure length and segments in the displayed image. Left click the
mouse to add a point in the image,
draw a line representing the distance you want to measure, right
click and drag the mouse to move a point. The length is the accumulative
distance of line segments.
Click to measure perimeters and areas in the displayed image. Left click
mouse pointer on image to add a point. Continue clicking to outline area
of interest. Right click and drag the mouse to move a point
Digitize
geographic point, line or polygon you want to buffer around first (the
more vertices, the better), then click the buffer and popup buffer dialog
box, type the distance and select the units to create a buffer area around
the feature, a buffer zone will be created at the distance you specified.
Click
this icon to remove all digitized points, line and polygon on the image.
Click this icon and move the mouse pointer over a feature you want to
identify. The features in any visible GIS layers under the pointer will
be identified.
Turn
the magnifier window 2X on and off, drag the window to see a magnified
view of a small area without changing the extent of your view
Click the mouse pointer on the display where you want to add the text,
a text dialog box will popup and type the text string in the text field,
choose the font name, style, size, color and
rotation angle for
the display.
Click to remove all the texts you added on the display
Turn
on-screen coordinate display visible and invisible
Click to open the help document
Click the color button to change the GIS layer and legend color
Click
the check box to turn the GIS layer on and off
Move the horizontal or vertical slider bar to control the swipe line and view portion of the top image over the bottom image
