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Stereo Window and Convergence Examples
Note: Subjects never change size. Only convergence of eyes and disparity
of subject with window changes. All subjects flat. (Except Example 4.)
Example 1: Move window without changing convergence of subject.
|<--- 2.6" on my screen--->|
Artificial viewer field of view
| | / (really another window at the
- - - - - - - - - - - - - - - - - - - -/ surface of the screen)
| | | |
| ------------- | | ------------- |
| | . | | | | . | | ("." = infinity) (depth)
| | Move window | | | | Move window| | Window at surface of screen (0)
| | same subject| | | | same subjec| | Subject behind screen (1)
| | convergence | | | | convergence| |
| ------------- | | ------------- |
| | | |
- - - - - - - - - - - - - - - - - - - -
| |
- - - - - - - - - - - - - - - - - - - -
| | | |
| ------------- | | ------------- |
| | . | | | | . | |
| | Move window| | | | Move window | | Subject behind screen (1)
| | same subject | | | same subject| | Window behind subject (2)
| | convergence| | | | convergence | | (Does window appear larger?)
| ------------- | | ------------- |
| | | |
- - - - - - - - - - - - - - - - - - - -
| |
Example 2: Moving film chip and window together.
| |
- - - - - - - - - - - - - - - - - - - -
| | | |
| ------------- | | ------------- |
| | . | | | | . | |
| | Move chip | | | | Move chip | | Window at surface of screen (0)
| | and window | | | | and window | | Subject behind screen (1)
| | together | | | | together | |
| ------------- | | ------------- |
| | | |
- - - - - - - - - - - - - - - - - - - -
| |
- - - - - - - - - - - - - - - - - - - -
| | | |
| ------------- | | ------------- |
| | . | | | | . | |
| | Move chip | | | | Move chip | | Window behind screen (1)
| | and window | | | | and window | | Subject behind window (2)
| | together | | | | together | | (Do window and subject appear
| ------------- | | ------------- | larger?
| | | | Does distance of subject
- - - - - - - - - - - - - - - - - - - - from window appear greater?
| | Infinity easier to fuse?)
Example 3: Moving film chip but not window.
| |
- - - - - - - - - - - - - - - - - - - -
| | | |
| ------------- | | ------------- | Window at surface of screen (0)
| | . | | | | . | |
| | Move chip | | | | Move chip | | Subject behind screen (1)
| | but not | | | | but not | |
| | window | | | | window | |
| ------------- | | ------------- |
| | | |
- - - - - - - - - - - - - - - - - - - -
| |
- - - - - - - - - - - - - - - - - - - -
| | | |
| ------------- | | ------------- | Window at surface of screen (0)
| | . | | | | . | |
| | Move chip | | | | Move chip | | Subject farther behind (2)
| | but not | | | | but not | | (Does subject appear larger?)
| | window | | | | window | |
| ------------- | | ------------- |
| | | |
- - - - - - - - - - - - - - - - - - - -
| |
- - - - - - - - - - - - - - - - - - - -
| | | |
| ------------- | | ------------- | Window at surface of screen (0)
| | . | | | | . | |
| |Move chip | | | | Move chip| | Subject much farther behind (4)
| |but not | | | | but not | | (Does subject appear larger?
| |window | | | | window | | Hard to fuse window or
| ------------- | | ------------- | subject?
| | | | (Subject is at infinity.)
- - - - - - - - - - - - - - - - - - - -
| |
Example 3a: Moving film chip but not window.
| |
- - - - - - - - - - - - - - - - - - - -
| | | |
| ------------- | | ------------- | Window at surface of screen (0)
| | . | | | | . | |
| | Move chip | | | | Move chip | | Subject in front of screen (-2)
| | but not | | | | but not | | (Does subject appear smaller?
| | window | | | | window | | Hard to fuse subject in front
Received: by bobcat.etsu.edu; id AA25878; Sun, 22 Jun 1997 09:24:44 -0500
Date: Sun, 22 Jun 1997 09:24:44 -0500
Message-Id: <19970622.100040.12430.0.BILL3DBW3D@xxxxxxxx>
Errors-To: 3d-moderators@xxxxxxxxxxxxxxx
Reply-To: photo-3d@xxxxxxxxxxxxxxx
Originator: photo-3d@xxxxxxxxxxxxxxx
Sender: photo-3d@xxxxxxxxxxxxxxx
Precedence: bulk
From: photo-3d@xxxxxxxxxxxxxxx
To: Multiple recipients of list <photo-3d@xxxxxxxxxxxxxxx>
Subject: PHOTO-3D digest 2141
X-Listprocessor-Version: 6.0c -- ListProcessor by Anastasios Kotsikonas
X-Comment: The Stereoscopic Image (Photo-3D) Mailing List
Status: O
X-Status:
| ------------- | | ------------- | of screen?)
| | | | (compare with below.)
- - - - - - - - - - - - - - - - - - - -
| |
- - - - - - - - - - - - - - - - - - - -
| | | |
| ------------- | | ------------- | Window at surface of screen (0)
| | . | | | | . | |
| | Move chip | | | | Move chip | | Subject behind screen (2)
| | but not | | | | but not | | (To help compare with above.)
| | window | | | | window | |
| ------------- | | ------------- |
| | | |
- - - - - - - - - - - - - - - - - - - -
| |
Example 4: Subject of various distances
| |
- - - - - - - - - - - - - - - - - - - -
| | | |
| ------------- | | ------------- |
| | | | | | | |
| | INF.NITY | | | | INF.NITY| | (Does text look larger
| | 3 Back. | | | | 3 Back. | | the further back it is?)
| | Back two. | | | | Back two.| |
| | One back. | | | | One back. | |
| | At screen. | | | | At screen. | |
| | Forward 1.| | | | Forward 1. | |
| | Up 2. | | | | Up 2. | |
| ------------- | | ------------- |
| | | |
- - - - - - - - - - - - - - - - - - - -
| |
- - - - - - - - - - - - - - - - - - - -
| | | |
| ------------- | | ------------- |
| | . ' | | | | . '| |
| |____.________| | | |________.____| |
| | .... | | | | .... | |
| | o . . o | | | | o . . o | |
| | . . . . | | | | . . . . | |
| |O . . O| | | |O . . O| |
| | . . | | | | . . | |
| | . . | | | | . . | |
| ------------- | | ------------- |
| | | |
- - - - - - - - - - - - - - - - - - - -
| |
- - - - - - - - - - - - - - - - - - - -
| | | |
| ------------- | | ------------- | Window back (1).
| | . ' | | | | . '| |
| |_____._______| | | |________.____| |
| | .... | | | | .... | |
| | o . . o | | | | o . . o | |
| | . . . . | | | | . . . . | |
| | O . . | | | |O . . O| |
| | . . | | | | . . | |
| | . . | | | | . . | |
| ------------- | | ------------- |
| | | |
- - - - - - - - - - - - - - - - - - - -
| |
- - - - - - - - - - - - - - - - - - - -
| | | |
| ------------- | | ------------- |
| | | | | | | |
| |____.________| | | |________.____| |
| | ..U. | | | | ..U. | | Are the "U"s close to the same
| | . . . | | | | . . . | | size?
| | o . o | | | | o . o | |
| |O . | |O| | | |O .| | O| |
| | . | | | | | | . | | | |
| | . \_/ | | | | . \_/ | |
| ------------- | | ------------- |
| | | |
- - - - - - - - - - - - - - - - - - - -
| |
------------------------------
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