 | | Re: Object Orientation & DAT files & CLIPPING/WINDING
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Rui Martins wrote in message ... (...) I concur that WINDING is strictly local. It may be a struggle of words, but I wouldn't call INVERT *local* as it affects the behaviour all tris/quads in *subfiles* And I don't see why clipping should be local. (...) (25 years ago, 19-Oct-99, to lugnet.cad.dev)
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| | Re: Object Orientation & DAT files & CLIPPING/WINDING
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Rui Martins wrote in message ... (...) Part authors should define the tris/quad the way he finds best, easy and logical - maybe sometimes CW and sometimes CCW. Also when fixing old parts, just insert a lot of WINDING keywords in stead of editing the (...) (25 years ago, 19-Oct-99, to lugnet.cad.dev)
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| | Re: Object Orientation & DAT files & CLIPPING/WINDING [DAT]
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Steve Bliss wrote in message <380b3366.9260126@lu...et.com>... (...) No, you don't need to bother with the matrix. Use the 0 INVERT to tell the renderer: "Hey, please turn the following subfiles inside-out". Remember the example from stud2.dat: 1 16 (...) (25 years ago, 19-Oct-99, to lugnet.cad.dev)
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| | Re: Freeware LEGO Software in an German Computer magazine
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I promised to keep an eye on the server statistics on the LDraw web site now that the LEGO CAD programs were mentioned in c'T[1]. I didn't keep a close enough eye on the development, so one day of log files were lost due to a full /var partition. (...) (25 years ago, 19-Oct-99, to lugnet.cad.dev.org.ldraw)
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| | Re: Several replies to CLIPPING / WINDING
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(...) We both want the same thing, now we need to make everybody agree with us :) (...) I sort first by color and then by line type. I have everything pre-processed and I don't use glBegin()/glEnd() to render. (...) From my personal experience, (...) (25 years ago, 19-Oct-99, to lugnet.cad.dev)
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| | Re: Several replies to CLIPPING / WINDING
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(...) Sure, that can be done but there's the "0 UNKNOWN" or "0 DOUBLE-SIDED" case, and you'd have to send the triangles twice if you don't want to change the state. Leonardo (25 years ago, 19-Oct-99, to lugnet.cad.dev)
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| | Re: Several replies to CLIPPING / WINDING
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Rui Martins wrote in message ... (...) Wait a minute, you were not going to actually send winding state changes to the graphics engine? Simply keep track of the state yourself and send either vertices 1,2,3 or 3,2,1. The part author can use as many (...) (25 years ago, 19-Oct-99, to lugnet.cad.dev)
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| | Re: Several replies to CLIPPING / WINDING
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Rui Martins wrote in message ... (...) I am trying to find out when to actually start clipping. You say "every .DAT file which has tris or quads is a candidate for CLIPPING", but when can a program use that info? Would you require an unbroken chain (...) (25 years ago, 19-Oct-99, to lugnet.cad.dev)
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| | Anyone have an LDLite Mirror? (was Re: Clarification)
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My ISP suffered a disk crash, and was unable to restore my pages from backup. Has anyone been mirroring my site? (I know you're out there...the log files show about 16 complete snarfs of the whole site every month). Otherwise I'll have to upload a (...) (25 years ago, 19-Oct-99, to lugnet.cad.dev, lugnet.general)
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| | Re: Minifigure Torso Generator
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(...) -- Jonathan Wilson wilsonj@xoommail.com (URL) (25 years ago, 18-Oct-99, to lugnet.cad.dev)
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| | Re: Clarification
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Steve Bliss wrote in message <380b2e00.7878702@lu...et.com>... (...) I saw that too. I was hoping at the least there would be an alternate host for the program. (25 years ago, 18-Oct-99, to lugnet.cad.dev, lugnet.general)
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| | Re: Minifigure Torso Generator
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(...) If I'm not wrong, the password is modeling. Leonardo (25 years ago, 18-Oct-99, to lugnet.cad.dev)
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| | Minifigure Torso Generator
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Hi , at 17.10.99 Chris Dee wrote in a mail: CD> tracker ((URL) or CD> at least let me know as I have quite a few already drawn out ready CD> to code up. I did a few torsos, too. The old doctor, doctor with stetoscope and castle pattern with crossed (...) (25 years ago, 17-Oct-99, to lugnet.cad.dev)
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| | Re: Object Orientation & DAT files & CLIPPING/WINDING
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FIRST OF ALL my sugestion is that the CLIPPING, WINDING, INVERT are strictly local where they are used. CLIPPING is strictly local WINDING is strictly local INVERT is strictly local INVERT only means see referenced file as inverted. if INVERT is (...) (25 years ago, 18-Oct-99, to lugnet.cad.dev)
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| | Re: Object Orientation & DAT files & CLIPPING/WINDING
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(...) These are all assumptions/specifications which *should* be agreed upon by the L-CAD community, especially parts-authors and rendering program-writers. Agreement is only needed if we want to re-wire the parts library, to encourage (...) (25 years ago, 18-Oct-99, to lugnet.cad.dev)
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| | Re: Several replies to CLIPPING / WINDING
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(...) In fact you can, use as many as you like, but that it's not the goal. if you read my previous mail, following this one I'am replying, you got the ideia that no WINDING meta command is the ideia, if the .DAT is well optimized. If someone want's (...) (25 years ago, 18-Oct-99, to lugnet.cad.dev)
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| | Re: Clarification
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(...) It should be at (URL), but all I see there is an empty directory. Maybe Paul is doing some housecleaning? Ah. The explanation is here: (URL). Steve (25 years ago, 18-Oct-99, to lugnet.cad.dev, lugnet.general)
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| | Re: Minifigure Torso Generator
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Sometimes, it pays to be first. ;) Steve (...) (25 years ago, 18-Oct-99, to lugnet.cad.dev)
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| | Re: Several replies to CLIPPING / WINDING
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(...) I understand that you would be allowed to have as many "0 CCW"/"0 CW" lines as you want. This will hurt performance and of course, it would be better if you could use only 1 call per part. (...) You don't need to do that with LDraw files, (...) (25 years ago, 18-Oct-99, to lugnet.cad.dev)
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| | Object Orientation & DAT files & CLIPPING/WINDING
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There has been a great discussion, about the optimizing with clipping topic, but it seems IMHO that people are forgetting simplicity is the best. Now if you read the subject of this message, maybe you know what I am talking/writting about. we must (...) (25 years ago, 18-Oct-99, to lugnet.cad.dev)
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