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International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XXXV, Part B5. Istanbul 2004 
  
  
e virtual 3D models 
imaging directions) 
Complete list of the Stereoscopic Methods 
Status: July 2004 
for international VIRTUAL Spatial (Geo- and Heritage-) Data Presentation: 
The stereoscopic perception of virtual Spatial Data requires the 3D viewing ability and 
« asimultaneous but separate view on at least 2 stereo mates of real and/or synthetic (!) origin or 
(stereo mates are corresponding images of the same object, (including synthetic objects) as gained from 
different (possibly virtual) positions, approximately perpendicular to a base line, showing satisfactory parallel 
  
3D viewing 
Method: 
  
subj./obj 
percept. 
color 
perception 
  
PC 
suitability 
  
format limits 
  
Stereo viewing 
aids: 
  
  
1. Methods for virtual 3D visualization Technology based on images (stereo mates), arranged vertically or 
horizontally but without contact, in particular for autostereoscopic visualization for "ortho" or "pseudo" as 
well as for normal and/or for cross 3D visualization: 
  
  
  
  
  
  
  
1.1 "Mounted" 3D views subject. | true color limited apprx.6cm strip autost. ( fig 1,3,4&5) 
1.2 Magic Eye/random dot | subject. | Random color | limited apprx.6cm strip autostereoscop. 
1.3 Head Mounted Display | subject. |color yes small displays direct proj. 
Le tms 
1,4 Stereoscopes: 
1,4.1 Lens Stereoscopes |subject. | true color limited approx. 6cm strip lenses ( fig. 1,3,5&7) 
1.4.2 Prism Stereoscopes |subject. | true color (yes) (smaller size) lenses/prisms 
  
  
including prism stereoscopes of wed 
e shaped lenses for 3D vertical ”mounted” strips (KMQ) 
  
  
  
  
1.4.3 Mirror Stereoscopes: | subject. | true color yes appr.23 cm strips lenses/mirror 
1.4.4 Pigeon(without lens) | subject. | true color yes larger size mirror 
EEE IG 
1.4.5Down Under(no lens) | subject. | true color (yes) stripimagery horizont | mirror, see fig. 6 
  
***one stereo (strip image!) mate mounted properly, one upside 
  
down, reflected and (!) 
EUN 
shifted , see fig. or 
  
1.4.6 Lenticular Lenses 
  
objective 
true color 
  
  
yes 
  
larger size 
  
autost. stereoscopes 
  
contact: 
with and without eye-trackin 
.,"3D postcards") : 
  
2. Methods for the virtual 3D visualization Technology based on stereo mates, with alternate projection or in 
  
  
  
  
  
  
  
  
  
  
2.1 Anaglyphs(compl.col.) | subject. |b./w.& color! | yes larger size e-g.red/green gl. 
2.2Cromadepth (spec.col.) | subject. | false color (yes) larger size prism glasses 
2.3.1 Polarized Filters subject. true color slide&mov. | larger size polariz.glasses( fig 7) 
2.3.2 Tektronix subject. | true color PC and TV | screen size polarized glasses 
2.4(Liquid Crystal )Shutter | subject. | true color PC and TV | variable Shutterglasses 
2.5 NUOPTIX (PULFRICH) | subject. | true color PC and TV | variable one eye only: dark gl. 
  
  
  
3. Methods for the virtual 3D visualization Technology based on virtual 3D models: 
  
3.1 Mirror 
  
  
  
  
  
  
  
  
- objective | True color No larger size autostereoscop 
3.1 (FELIX-3D)Rot.Screen | objective | False color New Gener? | tube size autostereoscop 
3.2 [FELIX-)3D Solid State | objective | False color New Gener? | cube size autostereoscop 
3.3 Hologramtechnologies objective | False color autostereoscop 
  
  
  
Table 1. The Complete List of 3D Visualization Techniques for virtual 3D object documentation 
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