Subject:
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Re: Opinions sought on rendering method
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Newsgroups:
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lugnet.cad.ray
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Date:
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Mon, 8 Oct 2007 19:20:23 GMT
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Viewed:
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8265 times
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In lugnet.cad.ray, Travis Cobbs wrote:
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I’m working on a different rendering method (for instructions) using POV-Ray,
and I wanted to get some opinions about the output. On that note, I have two
sample renderings in two different sizes, and I’d like to get people’s
feedback. snip
I’m particularly interested in problems you might see with either or both of
the images. There are definitely problems; I’m curious about how obvious
they are.
--Travis
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In my opinion, both images are unusable for instructions. Prefering legibility
over realism (though a bit of “realism” is still needed to even recognize the
shapes), I put down some universal rules for creating instructions of virtually
any LDraw model:
1. Any colour must look always the same.
This means ambient light, no shading and no reflection. The opaque CA/ABS
colours are simple. The metal parts should have a “metallic” texture on them
(fake-reflection). The transparent parts should show “something behind them”, by
means of softened edge lines (if the lines are visible too clearly, it would be
confusing to tell which part is in the front).
2. Each part must have edges.
Rounded shapes should use conditional lines. Dark colours should have
light-coloured edges. Transparent parts should have contrastful “outer” edges
(edges visible from outside) and softer “inner” edges (edges visible from
through the part). Examples: transparent clear part + black outer edge + light
gray inner edge; transparent dark blue part + white outer edge + blue inner edge
(3. Stud logos are not needed.)
Regards,
Martin
(Note: I use LDView 3.0 for making instructions and I am pretty happy with it,
except for rendering transparent parts. When rendering instructions for a “glass
cylinder”, a complex structure built mainly of trans-clear parts, the images
were very poor.)
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 | | Opinions sought on rendering method
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| I'm working on a different rendering method (for instructions) using POV-Ray, and I wanted to get some opinions about the output. On that note, I have two sample renderings in two different sizes, and I'd like to get people's feedback. Note that I'm (...) (17 years ago, 8-Oct-07, to lugnet.cad.ray, FTX)
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