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3D Gugle
User's Guide

(Optical Stereo illusion)

In this laboratory you can generate simple or multi-optical stereo illusions or images for general graphic use.

The algorithm used in this laboratory has been conceived by 3D Gugle and 3D Gugle is the unique owner.

Gallery images of example
Se also "Optical Ectoplasm illusion" LAB.
To activate this LAB select "Image/Optical illusions/Stereo"

Note

Please remember that:
1) To hide/reveal the controls dialogue-box, click on the image to toggle.

2) To move the scroll bars you can use the mouse wheel or the keys.
To use these functions select first the scroll bar by clicking with the mouse.
The active keys are the following: "A." and "S" which move one unit, "Z" and "X" which move by several units while "Home" and "End" bring the scrolls to each extreme.

3) For further information on the standard controls see Common buttons and functionality

The scroll bars

"PosX" and "PosY" move the centre of the image in the respective directions.
"LX" and "LY" zoom horizontally and vertically
"Zoom" zooms the complete image
"Rays" determines the number of Rays.
"Waves" determines the number of Waves.
"Shift" (label) red and blue move the respective colour in a horizontal direction.
"Thick" converts into black colour the areas that have a low luminance. This scroll is very important in creating a 3D illusion.
"Alpha" mixes the current level with the previous levels. This scroll is used to create multi-level images.

The Levels management

This LAB can manage 12 levels (0 to 11) of overlapped images.
The overlap can be made visible by moving the "Alpha" scroll.
Each level can have different setting values and the values are memorised in the level.
You can start by using an image or a wide black or coloured canvas.

The little yellow button moves quickly to the first level, level zero or start level.
The buttons with arrow icons move between the levels.
On using the right arrow you move to the next level. If the level doesn't exist a new level is automatically created.
When a new level is created, the level is an exact copy of the previous level.
To see a new level you must act first on the "Alpha" scroll and then you move any other scroll.
The label that initially has the text "Empty" shows the number of the selected level.
The button with an "Eraser" icon is used to delete the selected level.
The button "Clear" deletes all levels and starts a new project.

The menu "File" is used to save or recall the data of the levels and to save the levels in a sequence of frames.
This sequence you can use to create a movie or graphic animations.



Other controls

The button "Invert" inverts the light direction.

Examples

Procedure to create a simple stereo illusion
From the menu "File" select "New Canvas" and in the dialogue press "OK".
From the menu "Image" select "Optical illusions/Stereo " to run the LAB.

Procedure:
Move the listed scroll bars to these values:
- "Rays" = 200
- "Waves" = 8
- "Thick" = 248
- "Shift (blu)" = 4

The result:


Others suggestions
Starting from this basic setting try other values to understand the process.
Normally, when the image is completed, it is necessary to adjust the contrast. To do this operation you can use the LAB of  "Reconstruction By Contrast".
If you save the image for the web we suggest using the format *.png or  "3D Gugle jpeg" with "HQ" setting ON and a compression value of 85.

You can crop and you can use only a part of the images with a stereo illusion. In other words the 3D effect is not due to the complete drawing but is implicit in each detail.

Procedure to create a multiple levels image

From the menu "File" select "New Canvas" and in the dialogue press "OK". You can also start with any opened image.
From the menu "Image" select "Optical illusions/Stereo " to run the LAB.

Procedure:
For the Level "Empty".
Move the listed scroll bars to these values:
- "Zoom" = 23
- "Rays" = 177
- "Waves" = 17

The result


Move to level one by pressing the right arrow button. "Level = 1” is now shown.
Move the listed scroll bars to these values:
- "Pos X" = 404
- "Rays" = 183
- "Waves" = 13
- "Thick" = 202
-"Alpha" = 150

The result

"Livel" = 2.
Move the listed scroll bars to these values:
- "Pos X" = 400
- "LX" = -4
- "LY" = -7
-"Zoom" = 20
- "Rays" = 1
- "Waves" = 2
-"Shift blue" = -7
- "Thick" = 113
-"Alpha" = 52

The result

"Livel" = 3.
Move the scroll bar to this value
- "Thick" = 95

The result

Press the button "OK" to return to the main window of 3D Gugle.

From the menu "Image" select "Image reconstruction" and then "By Contrast".
Move the listed scroll bars to these values:
-"Level" = 0.6
-"Light" = -0.5
-"Depth (Up and centre)" = 0.2

The final result:


 

Gallery of example images

 

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