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 CAD / Ray-Tracing / 2692
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Subject: 
Re: Missing seams
Newsgroups: 
lugnet.people.newbie, lugnet.cad.ray
Date: 
Sun, 24 Sep 2006 00:35:08 GMT
Viewed: 
162 times
  
In lugnet.people.newbie, Timothy Gould wrote:
   Hi David,

The short answer is that there are no seams, only lines. Since a line is a one-dimensional object it is invisible in POVray.

The long answer is that POVray won’t show edge lines because they are not really useful and don’t fit with the purposes of a raytracer. A raytracer exists to mimic the real world and in the real world there is no such thing as an edge line. MEGApov used to have an edge-finder routine but I think it’s been dropped as not being particularly valid for a raytracer. If you want to render instructions or such you should use LDview/ldglite.and you will get the lines. If you want to make ‘realistic’ renders you should use POVray.

Tim

Thanks for the quick response. But I’m still confused about something. If POV-Ray doesn’t draw lines/seams, then what causes the other parts to display seams in the POV-Ray picture? (Such as the supporting bricks for the forklift rails)

Thanks again.



Message has 1 Reply:
  Re: Missing seams
 
(...) It looks like you're using LGEO parts in your picture. These have (slightly) rounded edges on all the bricks that visually create seams. The forklift part isn't modeled in LGEO, so L3P falls back to the LDraw geometry for that part, which (...) (18 years ago, 24-Sep-06, to lugnet.people.newbie, lugnet.cad.ray, FTX)

Message is in Reply To:
  Re: Missing seams
 
(...) Hi David, The short answer is that there are no seams, only lines. Since a line is a one-dimensional object it is invisible in POVray. The long answer is that POVray won't show edge lines because they are not really useful and don't fit with (...) (18 years ago, 23-Sep-06, to lugnet.people.newbie, lugnet.cad.ray, FTX)

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