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wirecube.gif.readme
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1992-08-06
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WireCube
========
This picture was rendered using Persistence of Vision v1.0 from August 2 to
August 6, 1992. More than anything, it is an experiment that turned out a
very nice picture. It was first rendered on an Amiga 2000 with a 68000cpu
and 5megs of RAM. It was then rendered on an SGI Iris 4D. The render time
indicated in the Amiga trace stats is slightyly longer than it could have
been since I ran the trace as a background task while running other tasks
(including a couple of other renders with POV). It was rendered with a
resolution of 640x480 and converted to 320x400 HAM and 640x480 GIF using
Art Department Professional v2. Since the size of the picture was
reasonable, I didn't convert it into JPEG format.
The trace statistics for Amiga and Iris follow for those who are interested.
The Iris rendered the scene 67.7 times faster than a stock Amiga 2000. The
picture included here came from the anti-aliased Iris render.
Brian Switzer (ian@snowhite.cis.uoguelph.ca)
R.R. #1 Binbrook
Ontario, Canada
L0R 1C0
=============================================================================
- Amiga 2000 (68000) trace stats (anti-aliasing OFF):
WireCube1.pov statistics
--------------------------------------
Resolution 640 x 480
# Rays: 348771 # Pixels: 307200 # Pixels supersampled: 0
Ray->Shape Intersection Tests:
Type Tests Succeeded Percentage
-----------------------------------------------------------
Sphere 1559253 875557 56.15
Plane 812099 201041 24.76
Box 3248396 1691220 52.06
Calls to Noise: 3074032
Calls to DNoise: 526714
Shadow Ray Tests: 2251695 Blocking Objects Found: 86832
Reflected Rays: 41571
Time For Trace: 35 hours 2 minutes 26.00 seconds
- SGI Iris 4D trace stats (anti-aliasing OFF):
wirecube.pov statistics
--------------------------------------
Resolution 640 x 480
# Rays: 348771 # Pixels: 307200 # Pixels supersampled: 0
Ray->Shape Intersection Tests:
Type Tests Succeeded Percentage
-----------------------------------------------------------
Sphere 1558629 875362 56.16
Plane 811851 201041 24.76
Box 3247404 1687106 51.95
Calls to Noise: 3078166
Calls to DNoise: 526714
Shadow Ray Tests: 2250327 Blocking Objects Found: 87013
Reflected Rays: 41571
Time For Trace: 0 hours 31 minutes 1.00 seconds
- SGI Iris 4D trace stats (anti-aliasing ON):
wirecube.pov statistics
--------------------------------------
Resolution 640 x 480
# Rays: 541526 # Pixels: 307840 # Pixels supersampled: 19561
Ray->Shape Intersection Tests:
Type Tests Succeeded Percentage
-----------------------------------------------------------
Sphere 2559448 1441225 56.31
Plane 1352196 295800 21.88
Box 5408784 2896349 53.55
Calls to Noise: 6223519
Calls to DNoise: 713500
Shadow Ray Tests: 3908406 Blocking Objects Found: 176336
Reflected Rays: 57637
Time For Trace: 0 hours 58 minutes 20.00 seconds