To LUGNET HomepageTo LUGNET News HomepageTo LUGNET Guide Homepage
 Help on Searching
 
To LUGNET News Traffic PageSign In (Members)
  *552420 (-5)
  Re: LDraw File Format Spec 1.0 DRAFT - Call for Public Comments
 
(...) The "so-what" would be that I, as someone who will eventually read in these files to create OpenGL renderings of them, would expect the matrices to be in column-major order, unless explicitly stated otherwise. Rob (17 years ago, 21-Aug-07, to lugnet.cad)
 
  Re: Scott Wardlaw's GM EMD SD80 in Norfolk Southern trim
 
(...) That's a nice locomotive! Seeing models like this that so closely resemble the trains I have seen near my house is neat. Jim (17 years ago, 21-Aug-07, to lugnet.trains, FTX)  
 
  Re: LDraw File Format Spec 1.0 DRAFT - Call for Public Comments
 
(...) Umm, so what? LDraw is not, and should not, be dependent on OpenGL. Having worked with transformation matrix in both formats, I find the row-major format much easier to hand-edit than column-major organization. At least for LDraw-type usage (...) (17 years ago, 21-Aug-07, to lugnet.cad)
 
  Re: LDraw File Format Spec 1.0 DRAFT - Call for Public Comments
 
(...) Page 16 of the OpenGL spec, v2.1 states: "Only convex polygons are guaranteed to be drawn correctly by the GL." Rob (17 years ago, 21-Aug-07, to lugnet.cad)
 
  Re: LDraw File Format Spec 1.0 DRAFT - Call for Public Comments
 
(...) Is this really what the LDRAW spec is stating? Because that would be contrary to the OpenGL spec, in which the standard ordering of matrices is column-major. So if you have a row like a b c d e f g h That would be interpreted in OpenGL as a e (...) (17 years ago, 21-Aug-07, to lugnet.cad)


Next Page:  5 more | 10 more | 20 more

Redisplay Messages:  All | Compact

©2005 LUGNET. All rights reserved. - hosted by steinbruch.info GbR