DollyZoomTest.ogv(Ogg multiplexed audio/video file, Theora/Vorbis, length 8.3 s, 640 × 480 pixels, 1.96 Mbps overall, file size: 1.95 MB)


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Summary

 
This image was created with POV-Ray.
Description
English: Early test of a computer generated 3D representation of the W:Dolly zoom film technique.

Generated using the W:POV-Ray raytracer, version 3.6.1b.icl8.win32. Focal blur and radiosity used to enhance realism. 100 different frames took almost 2 days to render.

Default radiosity settings used. Camera location formulae and focal blur settings copied below:

#declare maxz=30;
#declare maxy=1.8;

#declare cam_distancez = 4+clock;
#declare cam_distancey = cam_distancez* maxy/maxz;
#declare obj_width = 5;
#declare cam_angle=2*degrees(atan2(obj_width,2*cam_distancez));

camera {
  location  <0.0, cam_distancey, -cam_distancez>
  right     x*image_width/image_height
  angle cam_angle
  look_at   <0.0, 0,  0.0>    
  aperture .3
  blur_samples 500
  focal_point <0,0,0>
  confidence .95  
  variance 1/10000 
}

Video created with Corel VideoStudio 12 and converted to OGV with Miro Video Converter.

Widescreen stills:
Dolly zoom at maximum distance
Dolly zoom at minimum distance
Date
Source Own work
Author GDallimore

Licensing

Public domain I, the copyright holder of this work, release this work into the public domain. This applies worldwide.
In some countries this may not be legally possible; if so:
I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

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8 October 2010

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Date/TimeThumbnailDimensionsUserComment
current15:48, 8 October 20108.3 s, 640 × 480 (1.95 MB)GDallimore{{Information |Description={{en|1=Early test of a computer generated 3D representation of the W:Dolly zoom film technique. Generated using the W:POV-Ray raytracer, version 3.6.1b.icl8.win32. Focal blur and radiosity used to enhance realism. 100

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