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 CAD / Ray-Tracing / 1085 (-5)
  Re: From Screen to Paper Printing (PPI/DPI Question)
 
(...) No, Bram is 100% correct -- the resulting image is distorted unless I account for the proportions of the image POV expects to render. -- Hop-Frog (23 years ago, 20-Dec-01, to lugnet.publish, lugnet.general, lugnet.cad.ray)
 
  Re: From Screen to Paper Printing (PPI/DPI Question)
 
"Bram Lambrecht" <bram@cwru.edu> wrote in message news:000001c188be$d8...1681@bl... (...) Good point. Since I've never tried to render a square image, I've never run across this. I'm curious though, why do you need to do this? I figured it would be (...) (23 years ago, 20-Dec-01, to lugnet.publish, lugnet.general, lugnet.cad.ray)
 
  Re: YATA Selling MOC Instructions...
 
[XFUT cad.ray] (...) I used the orthographic keyword in the camera to eliminate perspective. I then placed three shadowless lights along the x, y, and z axes. The edges were done with MegaPOV's find_edges...perhaps this will help: (URL) file, be (...) (23 years ago, 20-Dec-01, to lugnet.market.theory, lugnet.general, lugnet.market.appraisal, lugnet.cad.ray)
 
  RE: From Screen to Paper Printing (PPI/DPI Question)
 
(...) You may want to make it 6400x4800 or 4800x3600 so that the render isn't distorted. If you want a square picture, you will need to modify the camera object so that it renders to a square aspect ratio. Millions of pixels also take a while to (...) (23 years ago, 19-Dec-01, to lugnet.publish, lugnet.general, lugnet.cad.ray)
 
  Re: From Screen to Paper Printing (PPI/DPI Question)
 
(...) I may still be confused slightly. From that article I gather that no printer (professional printing device) cares about anything above 200 LPI. The article further claims that one would generally want to print from an image 2 times the desired (...) (23 years ago, 19-Dec-01, to lugnet.publish, lugnet.general, lugnet.cad.ray)


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