egg changed the topic of #principia to: Logs: https://esper.irclog.whitequark.org/principia | <scott_manley> anyone that doubts the wisdom of retrograde bop needs to get the hell out | https://xkcd.com/323/ | <egg> calculating the influence of lamont on Pluto is a bit silly…
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<queqiao-> ⟨scimas⟩ egg Whatever you did for the trajectory plotting code, _definitely_ working. LEO, 365 days history visible, ECEF reference frame and there's barely any drop in frame rate (there is a drop, but before this version it would have crawled to a slideshow)!
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<_whitenotifier-653e> [Principia] pleroy commented on issue #3284: Principia crashes the game upon loading a save file - https://github.com/mockingbirdnest/Principia/issues/3284#issuecomment-1024882386
<_whitenotifier-653e> [Principia] pleroy closed issue #3284: Principia crashes the game upon loading a save file - https://github.com/mockingbirdnest/Principia/issues/3284
<_whitenotifier-653e> [Principia] pleroy commented on issue #2899: Principia is slow on macOS (possibly due to Unity's allocator) - https://github.com/mockingbirdnest/Principia/issues/2899#issuecomment-1024883019
<_whitenotifier-653e> [Principia] pleroy closed issue #2899: Principia is slow on macOS (possibly due to Unity's allocator) - https://github.com/mockingbirdnest/Principia/issues/2899
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<queqiao-> ⟨egg⟩ looks like the first thing we will need […] ⮪ Having read N4868, I think MSVC is correct (if anything a bit lenient, but in cases where no diagnostic is required), but that means our _body files cannot be module partitions, which makes me sad.
<queqiao-> ⟨Zeusbeer⟩ What special name will the 2400 fix update have?
<queqiao-> ⟨egg⟩ हरीश चंद्र!
<_whitenotifier-653e> [Principia] eggrobin opened issue #3310: Modularization - https://github.com/mockingbirdnest/Principia/issues/3310
<_whitenotifier-653e> [Principia] eggrobin commented on issue #3310: Modularization - https://github.com/mockingbirdnest/Principia/issues/3310#issuecomment-1024911618
<queqiao-> ⟨von Kerman⟩ Why is the LAN shown by Principia different from all other LAN figures in the game? Here the contract requires LAN 296, the orbit is matched with the one that is required, KER shows LAN 296, but Principia orbit analyzer says my LAN is 26 🤔
<queqiao-> ⟨Stonesmile⟩ I think KSP usually doesn't use the first point of aries as the reference, which causes an offset
<queqiao-> ⟨von Kerman⟩ ok, so the stock lan is counted from some arbitrary direction
<queqiao-> ⟨Stonesmile⟩ I _think_ so, but egg knows for sure
<queqiao-> ⟨egg⟩ well, arbitrary
<queqiao-> ⟨egg⟩ 270° is not a completely random angle
<queqiao-> ⟨egg⟩ but yes, in general stock coordinates aren’t going to have a meaningful reference direction.
<queqiao-> ⟨von Kerman⟩ hmm, just realized the offset is exactly 90 degrees, so not completely arbitrary
<_whitenotifier-653e> [Principia] scimas opened issue #3311: test3308 build draws unexpected line segment for flight plan - https://github.com/mockingbirdnest/Principia/issues/3311
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<queqiao-> ⟨lamont⟩ but stock uses [1,0,0] and you usually choose your coordinate system such as that is also the first point of aries?
<queqiao-> ⟨lamont⟩ is RSS 270 degrees off?
<queqiao-> ⟨egg⟩ ⟪lamont⟫ but stock uses [1,0,0] and you usually […] ⮪ I orient the world though.
<queqiao-> ⟨egg⟩ so depending on where you are, the stock coordinate system changes.
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<queqiao-> ⟨egg⟩ Then again we should be using the same reference frame, defined as in https://github.com/mockingbirdnest/Principia/blob/12d2e88992eafb7836789144b60873e5e80aa202/physics/body_centred_non_rotating_dynamic_frame.hpp#L34-L49, for both the analysis and the orientation of the world…
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<queqiao-> ⟨egg⟩ scimas question re. your latest issue, what is your GPU?
<queqiao-> ⟨egg⟩ I had sort of expected this issue, but then I had not encountered it, so I thought it was not a thing; given the way we do things it may be GPU-dependent tohugh
<queqiao-> ⟨egg⟩ * though
<queqiao-> ⟨egg⟩ Butcher do you happen to know what happens if you have a mesh with lines topology that has an odd number of indices?
<queqiao-> ⟨Butcher⟩ Hmm, not off hand.
<queqiao-> ⟨Butcher⟩ Doesn't sound good.
<queqiao-> ⟨egg⟩ yeah I probably should just avoid it
<queqiao-> ⟨egg⟩ Butcher on an unrelated note, how is your cat inn
<queqiao-> ⟨egg⟩ scimas I cannot reproduce your issue, but it may be dependent on your setup. Can you reproduce it reliably? If so, I will make a new test build with something which should fix it, that way you can test that fix.
<queqiao-> ⟨egg⟩ Butcher on an unrelated note, how is your cat inn?
<_whitenotifier-653e> [Principia] eggrobin opened pull request #3312: Keep the index count even when the topology is LINES` - https://github.com/mockingbirdnest/Principia/pull/3312
<queqiao-> ⟨Butcher⟩ egg 3 lodgers, 2 residents.
<queqiao-> ⟨egg|matrix|egg⟩ huh, is the bridge down? the cat picture didn’t make it through
<queqiao-> ⟨egg⟩ Apparently it works, it just didn’t relay the cat :-/
<raptop> 😾
<queqiao-> ⟨Butcher⟩ The cat is very warm. She is on my legs.
<queqiao-> ⟨Infernal⟩ am I likely to run into problems if I install Principia mid career?
<raptop> Yes, though they can be mitigated by making sure you don't have anything in-flight (especially not on interplanetary trajectories)
<queqiao-> ⟨Infernal⟩ oh damn ok
<queqiao-> ⟨scimas⟩ ⟪egg⟫ scimas question re. your latest issue, […] ⮪ It's a 3060 TI
<queqiao-> ⟨scimas⟩ ⟪egg⟫ scimas I cannot reproduce your issue, […] ⮪ It seemed to reproduce when I reloaded the save, but I did not try exiting the game and going in again. I can try doing that.
<queqiao-> ⟨scimas⟩ ⟪egg⟫ scimas I cannot reproduce your issue, […] ⮪ Yes, I'm able to reproduce. I can test the new build.
<_whitenotifier-653e> [Principia] eggrobin closed issue #3311: test3308 build draws unexpected line segment for flight plan - https://github.com/mockingbirdnest/Principia/issues/3311
<_whitenotifier-653e> [Principia] eggrobin closed pull request #3312: Keep the index count even when the topology is LINES - https://github.com/mockingbirdnest/Principia/pull/3312
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<queqiao-> ⟨sichelgaita⟩ ⟪scimas⟫ Yes, I'm able to reproduce. I can test […] ⮪ New build TEST3312 at https://bit.ly/3gad1EQ.