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Navigating in the 3D window
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Now that we have displayed some of our data we can start navigating around the Atlantis continental shelf. Geocap is best operated using a three-button mouse with a wheel, see picture below. A a two-button mouse or using the Touch-pad is possible but not recommended.
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You may use the computer mouse to move around in the display window. You do this by Navigating in the 3D graphics window is done by pressing one of the mouse buttons while the cursor is in the display graphics window, and moving the mouse while keeping the button pressed.
- Rotate - Left Press left mouse button + move
- Pan - Middle Press middle mouse button (or wheel) + move or Shift + left mouse button + move
- Zoom - Right Press right mouse button + move
- Scale Z - Mouse wheel (scroll)Scroll mouse wheel
- Spin - Ctrl + press left mouse button + move
The mouse buttons
| Panel |
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| borderColor | #404040 |
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| bgColor | #F0F0F0 |
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| borderWidth | 1 |
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| title | Exercise |
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| borderStyle | dashed |
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Navigate using the mouse- Try to zoom in and out.
- Try to pan.
- Try to rotate the data.
- Try to scroll the wheel Zoom in close to one of the bathymetric profiles displayed by press right mouse button and moving the mouse upwards.
- Pan along the seabed surface by pressing the middle mouse button (wheel) and moving the mouse in any direction.
- Zoom out again by press right mouse button and moving the mouse downwards.
- Rotate the displayed data by pressing the left mouse button and moving the mouse.
- Spin the data by holding down Ctrl on your keyboard, pressing the left mouse button and moving the mouse.
- Now try to increase the z-scale.Now try to examine three areas more closely my panning, zooming in closely and rotating by scrolling the mouse wheel upwards.
Move around the 3D model an practice these elements for a few minutes.
Set The focal point is the center of the display and the point of rotation. Change the focal point by positioning the mouse cursor on a desired point in the display window and |
push press the X key on the keyboard. |
This focal point will be the center of the display and the point of rotation. |
| Info |
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Scrolling the mouse wheel is one way to scale depth (z) values of the dataset. |