Stereo GE Browser

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How to use Stereo GE Browser

When you first start Stereo GE Browser, there will be a delay while three instances of GE load.
The title bar will display 'Stereo GE Browser', the 'x' and 'y' image-displacements, the current stereo-viewing mode and indication of image reversal left_to_right (rev = 1).
As the image-height is slightly larger than screen height (in order to hide text and logos) a vertical scroll-bar is displayed on the right.
The top window will contain the stereo view, the bottom windows the GE left/right views in cross-eyed format or a map.
The focus must be in the top window in order to select stereo options.
Simply left-click anywhere on the 'Stereoscopic view'to achieve focus.

Right-click on the top window, choose 'Search' (or press 'S'), enter the name of a major World town or city and click 'Search'.
When all three images have been loaded from GE at their full resolution, drag to the left with the mouse left button to position the view behind the window.
You can also use the left/right keys to make fine adjustments to stereo window and the up/down keys to correct any vertical error (though this is rarely necessary).
Left-click on bottom-left window and use mouse scroll-wheel to zoom to a convenient view area.
You can then simply drag the view with the mouse and/or use the navigation controls described below.

Google Earth Navigation

The following keystrokes control navigation in the 3D viewer.

Command	Windows/Linux Keystroke(s)	Mac Keystroke(s)	Result
Move left	Left arrow	Left arrow	Moves the viewer in the direction of the arrow.
Move right	Right arrow	Right arrow	Moves the viewer in the direction of the arrow.
Move up	Up arrow	Up arrow	Moves the viewer in the direction of the arrow.
Move down	Down arrow	Down arrow	Moves the viewer in the direction of the arrow.
Rotate clockwise	Shift + left arrow	Shift + left arrow	Rotates the view clockwise. The earth spins anticlockwise.
Rotate anticlockwise	Shift + right arrow	Shift + right arrow	Rotates the view anticlockwise.
Tilt up	Shift + left mouse button + drag down, Shift + down arrow	Shift + down arrow	Tilts the viewer toward "horizon" view.
Tilt down	Shift + left mouse button + drag up, Shift + up arrow	Shift + up arrow	Tilts the viewer toward "top-down" view.
Look	Ctrl + left mouse button + drag	+ mouse button + drag	Perspective points in another direction, as if you are turning your head up, down, left or right.
Zoom in	Scroll wheel, + key, PgUp key	Scroll wheel, + key	Zooms the viewer in. Tip: To use the Page Up key, make sure that the Num Lock key on your keyboard is off.
Zoom out	Scroll wheel, - key (both keyboard and number pad), PgDn key	Scroll wheel, - key (both keyboard and number pad)	Zooms the viewer out. Tip: To use the Page Down key, make sure that the Num Lock key on your keyboard is off.
Zoom + automatic tilt	Right mouse button + drag up or down	Ctrl + click + drag up or down	Zooms the viewer in and automatically tilts your view as you approach ground level.
Stop current motion	Spacebar	Spacebar	When the viewer is in motion, stops movement
Reset view to "north - up"	n	n	Rotates view so that view is north up.
Reset tilt to "top-down" view	u	u	Resets angle to view scene in "top-down" or "top-up" mode.
Reset tilt and compass view to default	r	r	Resets angle to view "top-down" and rotates to "north-up" view. Use this feature to orientate the Earth in the centre of the viewer.

Using the Navigation Controls

To hide or show the compass icon in the 3D viewer,click mouse right button on the 'stereoscopic view'-> menu -> Show/Hide Navigation.

The Google Earth navigation controls offer the same type of navigation action that you can achieve with mouse navigation.
It is best to then hide it before viewing the anaglyph as it will not be located on the screen surface.
In addition, you can use the controls to zoom and swoop (perhaps for a perspective on terrain) or to rotate your view.
The following diagram shows the controls and explains their functions.

Click the North-up button to reset the view so that north is at the top of the screen. Click and drag the ring to rotate your view. Use the Look joystick to look around from a single vantage point, as if you were turning your head. Click an arrow to look in that direction or continue to press down on the mouse button to change your view. After clicking an arrow, move the mouse around on the joystick to change the direction of motion. Use the Move joystick to move your position from one place to another. Click an arrow to look in that direction or continue to press down on the mouse button to change your view. After clicking an arrow, move the mouse around on the joystick to change the direction of motion. Use the zoom slider to zoom in or out (+ to zoom in, - to zoom out) or click the icons at the end of the slider. As you move closer to the ground, Google Earth swoops (tilts) to change your viewing angle to be parallel to the Earth's surface.

Stereo Viewing Options

• Stereo
  The browser supports most of the stereo viewing methods available in SPM (StereoPhoto Maker)with the exception of page-flipping.
  To supplement the brief notes below, some items are linked to the SPM documentation.
  
  
  • Side-by-side
    Press 'X' to swap-over images, the swap-status is indicated in the title-bar ('rev = 1' means images are swapped-over).
  
  
  • Mirror
    The left image is mirrored about a vertical axis to allow viewing with a small front-surface mirror. Further details here.
  
  
  • Anaglyph
    This is an easily-viewable gray-scale anaglyph, suitable for all subjects.
  
  
  • Color anaglyph
    Full colour viewing with subjects that do not contain bright primary colors.
  
  
  • Half-color anaglyph
    This can improve viewing of subjects with saturated colors.
  
  
  • Dubois anaglyph
    This method replaces 'problem' colors with those more easily viewed.
  
  
  • Y/B anaglyph
    Yellow/blue anaglyph for viewing with suitable glasses.
  
  
  • Interlaced
    Horizontal row interlacing.
  
  
  • Sharp 3D LCD
    A proprietary vertical format for Sharp displays only.
  
  
  • 3D DLP TV
    Chequer-board format for 3D-ready TV's.
  
  
• Search
  Simply enter the name of a significant World city, town or location.


• Stereo Base
  The 'virtual camera' separation is set to a fraction of the distance to the scene.
  By default, it is 1/30th but you can change the value to increase or decrease the stereo depth to suit the subject.


• Swap Left/Right Images
  Swap images left-for-right (for all stereo-viewing formats).


• Show/Hide Navigator
  This shows or hides the GE navigator. It should be noted that the navigator does not remain on the screen surface when the scene is moved behind the window.


• Earth<->Map
  You can move between the GE view and a map view.
  When the map is displayed it occupies a single wide window.


• Help
  This document.


• About Stereo GE Browser
  Version and credits.