UmbralRaptop changed the topic of #principia to: READ THE FAQ: http://goo.gl/gMZF9H; The current version is 🐇. We currently target 1.5.1, 1.6.1, and 1.7.x. <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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* egg|anbo|egg taps microphone
<egg|anbo|egg> wait, it only works in one direction
<discord-> S​ir Mortimer. — hm. launching a geostationary satellite so that it ends up exactly where I want it to be is a problem in itself
<discord-> D​amien. — in stock or rss?
<discord-> S​ir Mortimer. — stock
<discord-> S​ir Mortimer. — @DRVeyl no, that PR wasn't merged. Currently I'm just looking at how to implement a parameter that looks at all vessels and if they are within a given min. elevation above a waypoint. can't use most of the CC boilerplate for that.
<discord-> S​ir Mortimer. — i was going to test a UHF transponder contract, TV coverage over the equator
<discord-> S​ir Mortimer. — CC is bad at looking at all vessels.
<discord-> D​amien. — what about it is difficult?
<discord-> D​amien. — I know in RSS you have issues relating to egginess
<discord-> S​ir Mortimer. — turns out you can't just punch in the numbers in the cheat menu, you have to navigate the sat there
<discord-> D​amien. — ah
<discord-> S​ir Mortimer. — also turns out that I really should add something that tells you how far off the target area you are
<discord-> l​pg. — hyperedit doesn't work with principia
<discord-> s​iimav. — Apparently hyperedit can be made to work in principia by enabling Hack gravity from the cheat menu
<discord-> R​urouniDonut. — So I just saw the new celestial plotting system now :D, is Mechjebs planner gonna become obsolete for interplanetary maneuvers 😮
<discord-> D​amien. — never used MJ for anything except ascent crew
<egg|anbo|egg> uh oh
<discord-> R​urouniDonut. — I used it for interplanetary launch windows, people said it was more accurate then transfer window planner
<discord-> e​gg. — @Sir Mortimer
<discord-> e​gg. — > turns out you can't just punch in the numbers in the cheat menu, you have to navigate the sat there
<discord-> e​gg. — hack gravity doesn't work?
<discord-> R​urouniDonut. — But it seems to use more deltav for captures then I expect .(
<discord-> D​RVeyl. — Look elevation is a good mechanic, too, and pretty easy to get.
<discord-> D​RVeyl. — @Sir Mortimer HyperEdit?
<discord-> e​gg. — you should be able to hack gravity to make principia ignore loaded vessels
<discord-> D​RVeyl. — Contract configurator had a broken implementation for Great Circle Distance. Pap fixed it in an RO rebuild but don't know if it ever got PR'd
<egg|anbo|egg> it was stuck and now it's regurgitating backlog
<discord-> D​RVeyl. — But that's a good way to describe how far off from the ground point you are.
<discord-> D​RVeyl. — And.... If you want an extension to model sufficient data rate to some exemplar ground terminal, hit me up in PM and I can work on a way to call RA for that.
<discord-> l​pg. — I'll be damned.
<discord-> e​gg. — Note that their histories will be forgotten
<discord-> D​RVeyl. — Reasonable.
<discord-> F​alcon. — So does principia allow orbital planning once you unlock lvl 2 of the tracking station and mission control?
<discord-> l​pg. — principia allow Flight Planning right off the bat
<discord-> l​pg. — but won't be able to put a maneuver node on the navball until you have maneuver nodes unlocked
<discord-> F​alcon. — Yup, that's all I needed to know! Thanks!
<discord-> D​amien. — the link was to the french one
<discord-> D​amien. — oh we don't have a principia guide, just a link to eggs? yeah I'll wait on spamming it up with youtube links then
<discord-> B​utcher. — I regularly build unreal engine at work, it's pretty hefty.
<discord-> B​utcher. — Mine goes from 2 ms in Manchester, to 90 ms first hop in the US, and 96 ms in Atlanta.
<discord-> B​utcher. — Yes, Paris to NY by the looks of that.
<discord-> B​utcher. — @Standecco Its not 20,000 km across the Atlantic.
<discord-> B​utcher. — London to NY is ~5600 km
<discord-> B​utcher. — True, but if we're talking stock exchanges, then those are the big two.
<discord-> B​utcher. — But I suppose a contract for submarine cables isn't really KSP.
<discord-> B​utcher. — ```Approximate round trip times in milli-seconds:
<discord-> B​utcher. — Minimum = 102ms, Maximum = 103ms, Average = 102ms```
<discord-> B​utcher. — Manchester
<discord-> B​utcher. — Appalachian State University
<discord-> B​utcher. — is what we're pinging, in NC.
<discord-> B​utcher. — Beat you @Sir Mortimer
<discord-> B​utcher. — @Sir Mortimer Might also be routing. You'll probably get a different cable acorss the atlantic than me.
<discord-> B​utcher. — 2 ms to level3's local hub is pretty good here, but it's probably nearby.
<discord-> B​utcher. — ``` 9 2 ms 2 ms 2 ms lag-102.bear1.manchesteruk2.level3.net [212.187.136.77]
<discord-> B​utcher. — Manchester
<discord-> B​utcher. — Seems it's down near the univeristy, that's not far.
<discord-> B​utcher. — You can cut latency a lot by not using the public internet...
<discord-> B​utcher. — @Standecco Presentation on it: https://technology.riotgames.com/news/fixing-internet-real-time-applications-part-ii
<discord-> B​utcher. — @egg Boosted fusion.
<discord-> B​utcher. — 50 ms is a big ask for satellite comms.
<discord-> B​utcher. — The people demand 4k.
<discord-> B​utcher. — 1.7.3 does feel much different to 1.6.1 for RP-1.
<discord-> B​utcher. — 1.7.3 doesn't feel much different to 1.6.1 for RP-1. (edited)
<discord-> B​utcher. — I'm a bit busier than I was also - my hiatus was due to a job change, bit less time to do random stuff.
<discord-> B​utcher. — TV, pfft. Isn't radio good enough?!
<discord-> B​utcher. — Don't forget 36 bit HDR.
<discord-> B​utcher. — There's some code in my github, I might dig it out.
<discord-> B​utcher. — 😆
<discord-> B​utcher. — @egg Not sure. I worked around it to some extent with stock manoeuvre nodes.
<discord-> e​gg. — hm
<discord-> e​gg. — Okay it's done regurgitating whatever backlog it had remembered
<discord-> e​gg. — @Sir Mortimer okay so the chapter "Errors and Error Corrections" of *Understanding Satellite Navigation* has everything we need to compute the position error from the pseudorange errors
<discord-> e​gg. — then we can probably abstract away the pseudorange errors as a function of the fanciness of the tech you plonk on the satellite (and maybe environmental effects), making things reasonably concrete
<discord-> e​gg. — Actually maybe it's better to look at Capderou (14.11), there are some dodgy things going on in the other one
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<discord-> D​amien. — good morning purple noodle gang
<discord-> S​ir Mortimer. — Mahlzeit!
<discord-> D​amien. — don't you swear at me
<discord-> S​ir Mortimer. — sorry, didn't want to be polite.
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<discord-> l​pg. — watching the spirograph that is surface-fixed prediction during an aerobraking pass is mesmerizing
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<discord-> e​gg. — Bonsoir, compagnons de la nouille violette
<discord-> D​amien. — gang de nouilles pourpres se lèvent
<discord-> e​gg. — Wait you're not pink anymore
<discord-> D​amien. — too fabulous for such a serious discord server
<discord-> D​amien. — had to tone it down
<discord-> D​amien. — I still think there should be a role for principia users
<discord-> D​amien. — obviously purple
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<discord-> e​gg. — @Damien A role for Principia devs
<discord-> D​amien. — Now that's just being selfish
<discord-> e​gg. — well, there's another one (though I think he only ever lurked on here without making an account) :-p
<discord-> l​pg. — it's not selfish, it's bait
<discord-> D​amien. — Pull requests by principia users. What could go wrong
<UmbralRaptop> git push -am "Adding parameters to fix the error in Mercury's perihelion precession"
<UmbralRaptop> (I'm not sure if such a contribution would be accepted or rejected. Also, I wouldn't actually be able to write it)
<discord-> e​gg. — UmbralRaptop: in order for it to be accepted, it would have to come with a full redesign of the abstractions to deal with the inner product not being everywhere the same and all bases orthonormal (this is the same problem as the rotating-pulsating frame, just on a larger scale)
<discord-> e​gg. — Obviously we won't accept a pull request that does such a huge redesign in one block, so that would pretty much have to go through design discussions with us
<UmbralRaptop> fair
<discord-> D​amien. — @egg What made you call XCI that and not XCSF?
<discord-> D​amien. — inertial isn't obvious to the layperson
<discord-> e​gg. — what do you mean by SF
<discord-> D​amien. — Space fixed
<discord-> e​gg. — the usual term for that one is ECI
<discord-> e​gg. — and ECEF for the other one
<discord-> e​gg. — they're standard terms, so I followed that
<discord-> e​gg. — ECSA is just me making shit up
<discord-> e​gg. — EMB is sometimes EMR
<discord-> D​amien. — I saw the other term in the capderou handbook
<discord-> D​amien. — Just wondered
<discord-> l​pg. — @egg that bug you encountered with hitting the ground, that wasn't a 1.8 issue... might it affect פרנקל by any chance?
<discord-> e​gg. — nono
<discord-> e​gg. — it's just at head, it's the last pull request by pleroy
<discord-> l​pg. — ok. then something else made me explode when I reached mars surface at 1m/s
<discord-> e​gg. — that sounds unpleasant
<UmbralRaptop> Highly exothermic reactions with surface perchlorates?
<discord-> e​gg. — logs?
<discord-> e​gg. — INFO log might have something (or maybe not)
<discord-> l​pg. — I'll have a look, but I'll chalk it up to user error of some sort unless it happens again
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<discord-> l​pg. — attempts 2 & 3 were fine. I'll blame me
<discord-> D​amien. — meow
<discord-> D​amien. — @egg
<discord-> S​ky!. — awww, he/she is sooo cute
<discord-> D​amien. — she. she thought I had treats but I was eating peanuts
<discord-> D​amien. — the one that likes sitting on the desk watching me play is another one
<UmbralRaptop> Kitty!
<discord-> D​amien. — this one hates the other one
<UmbralRaptop> cat can have a little peanut?
<discord-> D​amien. — not sure she'd like salt & vinegar peanuts
<discord-> D​amien. — ironically, the black cat is called peanut
<discord-> D​amien. — this one's snoopy, short for snoop ~~doggy dog~~ pussy cat
<bees> it is nice to have species that are evolved for cuteness
<discord-> e​gg. — @Damien the cat does not appear to be interested in the square orbit
<UmbralRaptop> Give the cat some orbital mechanics papers?
<discord-> D​amien. — she was interested for about 10 seconds then realised it wasn't alive and carried on pestering for treats
<discord-> D​amien. — hey treat biscuits come in a foil bag like my peanuts so she was confused
<discord-> D​amien. — her treat biscuits come in a foil bag like my peanuts so she was confused (edited)
<discord-> B​utcher. — @Damien my cat is more annoying with ksp...
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<discord-> T​heRealWiwaxia. — My cat will totally block the screen because he knows he can get my attention that way
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<discord-> B​utcher. — Mine chases the mouse pointer.
<discord-> D​amien. — Mine too
<discord-> D​amien. — That's why I have to put YouTube videos on for him
<discord-> D​amien. — On my 2nd monitor
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<discord-> e​gg. — my cat is pretty good at not walking on computers unless they happen to be in its way
<discord-> e​gg. — even then it occasionally jumps across them rather than stepping on them
<discord-> l​pg. — your cat is telling you your keyboard is filthy