In OptiSurface Designer, you
see the terrain in the 3D scene.
You can navigate through this 3D scene using a mouse or keyboard arrow keys.
To get started navigating
with your mouse, simply position the cursor in the middle of the 3D scene,
click the left mouse button, move the mouse and you will ‘pan’ across the
scene. By moving the mouse while pressing one of the buttons, you can also:
Zoom in and out: using the mouse scroll
Rotate - In pan mode, you can hold the <Shift>
key down, then left click and drag the mouse to rotate the scene about the Z
axis. Also press this toolbar button , then left click and drag the
mouse to rotate the scene about the Z axis.
- Orbit - In pan mode , you can hold the <Ctrl> key down, then left click and drag the mouse to orbit the scene around it's centre.
Keyboard Arrow Keys
Pressing the up, down, left
or right keys on your keyboard will pan the 3D scene in that direction. You may
need to click inside the map window first for this feature to work.
and Viewing Terrain
When you first start
OptiSurface Designer, the default view of the terrain is a plan view, which is
straight down. You can view the terrain from different angles using the view
View – View the terrain from top looking down.
View – View the terrain from front looking horizontally.
Screen – View the terrain in 3D perspective.
– You can also tilt by clicking and dragging the North Arrow with your
The following figures show a
comparison view of a field with and without tilt applied.
Vertical Exaggeration Factor
You can adjust the appearance
of the terrain if you would like the elevation to appear more pronounced. To do
this, click Tools Menu > Project Properties and change the Vertical Exaggeration Factor figure. You
can set it to any value between 1 and 100. A common setting is 30, which
achieves an obvious elevation appearance.