Angle Display Mode
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The Viewer starts by displaying the cave with north toward the top of the screen. However, you can rotate the cave so that north is in any direction. The Viewer displays the angle of rotation on the Status Bar or Status Box. This rotation angle can be used in different ways. For example, a geologist might want to know where the cave is viewed from, whereas, a cartographer might want to know how much the cave has been rotated. As a result, the Viewer allows the angle to be displayed in several different ways:
1. Cave Angle. This mode displays the number of degrees the cave has been rotated. For example, if the angle is 30 degrees, the northern part of the cave will be rotated 30 degrees to the east.
2. Look To Angle. This mode displays the compass direction you would be looking toward if you were in profile mode. For instance, in the first example, the “Look To” angle would be 330 degrees. In other words, if the cave is rotated 30 degrees to the east, you will be looking 30 degrees west of north or an azimuth of 330 degrees.
3. Look From Angle. This mode displays the angle you are looking from when the cave is rotated. For instance, in the first example, the “Look From” angle would 150 degrees. In other words, if the cave is rotated 30 degrees to the east, you will be looking at the cave from the southeast at 150 degrees.