 | | Re: CW/CCW, vertex sequence, co-planar, convex, (115kB)
|
|
[ I got a bit too much good French red wine, so maybe I shouldn't try to answer now, but ... ] Steve: (...) Right. (...) Shouldn't all elements of transparent parts be drawn? (...) Yes. (I start to suspect that wine has a good influence on my (...) (25 years ago, 1-Oct-99, to lugnet.cad.dev)
|
| |
| | Re: CW/CCW, vertex sequence, co-planar, convex, (115kB)
|
|
(...) why can't you simply mod your proggy to handle the conversion automatically?? i mean.. if your proggy is smart enough to detect uninified normals and then allows the user to press a key to mod the CW/CCW property of the face, why can't you (...) (25 years ago, 1-Oct-99, to lugnet.cad.dev)
|
| |
| | Re: LeoCAD for Linux (Was: Compiling MPD Builder/Splitter for DOS/Win?)
|
|
(...) Tried this? (URL) not a Mac person at all and I got it to work in just a couple of minutes, so it might work for you. (25 years ago, 1-Oct-99, to lugnet.cad, lugnet.cad.dev)
|
| |
| | Re: Hidden surface removal, and vertex order in part/primitive DAT files
|
|
Leonardo Zide wrote in message <37F4ECA7.C0BFCF7D@c...com.br>... (...) I'd vote for CW for two reasons: 1) 'Clockwise' is shorter than 'counterclockwise'. 2) CW is used more often than CCW in rendering applications (to my knowledge) because the (...) (25 years ago, 1-Oct-99, to lugnet.cad.dev)
|
| |
| | Re: CW/CCW, vertex sequence, co-planar, convex, (115kB)
|
|
(...) That would be nice, but it's unrealistic. (...) No, they shouldn't. Just because the part XYZ is CW, a program can't assume that the primitive ABC is also CW. (...) I like this. I don't like it for use on primitives, but DOUBLE-SIDED could (...) (25 years ago, 1-Oct-99, to lugnet.cad.dev)
|
| |
| | Re: CW/CCW, vertex sequence, co-planar, convex, (115kB)
|
|
Gary Williams wrote in message ... (...) *a lightbulb appears above my head* Nevermind, I understand now. For some reason I was imagining inverting all three axes, but now I realize only two would need to be inverted, before the part is rotated 180 (...) (25 years ago, 1-Oct-99, to lugnet.cad.dev)
|
| |
| | Re: CW/CCW, vertex sequence, co-planar, convex, (115kB)
|
|
Steve: (...) Because our clever rendering programs will notice that the first transformation matrix has negative determinant, and therefore will swap the CW and CCW checks. Play well, Jacob ---...--- -- E-mail: sparre@cats.nbi.dk -- -- Web...: (...) (25 years ago, 1-Oct-99, to lugnet.cad.dev)
|
| |
| | Re: LeoCAD for Linux (Was: Compiling MPD Builder/Splitter for DOS/Win?)
|
|
Leonardo: (...) I do have X installed _on_my_Linux_machine_, but I haven't managed to get the Macs here in Paris to run a X server (yet). Play well, Jacob ---...--- -- E-mail: sparre@cats.nbi.dk -- -- Web...: <URL:(URL) -- ---...--- (25 years ago, 1-Oct-99, to lugnet.cad, lugnet.cad.dev)
|
| |
| | Re: CW/CCW, vertex sequence, co-planar, convex, (115kB)
|
|
(...) Why not simply: (...) Assuming the primitives are all defined so their faces are turned outward. I would see allowing both CW and CCW as a convenience for parts authors. There's no real difference between one way and the other. CW has a slight (...) (25 years ago, 1-Oct-99, to lugnet.cad.dev)
|
| |
| | Re: LeoCAD for Linux (Was: Compiling MPD Builder/Splitter for DOS/Win?)
|
|
(...) I'll add that to my page. I don't know (almost) anything about writing linux applications, so I don't know which options to use when compiling. (...) The MS Windows version works correctly (without creating a window) but the Linux version (...) (25 years ago, 1-Oct-99, to lugnet.cad, lugnet.cad.dev)
|
