raptop changed the topic of #principia to: READ THE FAQ: http://goo.gl/gMZF9H; The current version is Gateaux. We currently target 1.8.1, 1.9.1, and 1.10.1. <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… | <egg> also 4e16 m * 2^-52 is uncomfortably large
<discord->
Butcher. — You burn the engines for 195 days straight?
<UmbralDrone>
The authors do, yes
<UmbralDrone>
I'm not sure what Dawn's record is, but running engines for years at a time is probably TRL8 if not 9
<discord->
Kirk. — I'm pretty sure Dawn had at least one burn over 100 days
<discord->
Kirk. — Dawn basically burned continuously from earth departure to Mars gravity assist
<discord->
Kirk. — Around 270 days
<bees>
to become magic an engine should have a continuous thrust of 0.001g
<bees>
which is 10 times more than that paper
<bees>
it _might_ be possible for inner system probes with oversized by design solar panels
<bees>
but then you do not need magic, because orbital periods are already low enough
<discord->
Kirk. — With nuclear reactors that's probably possible
<discord->
Kirk. — TOPAZ-II did about 10 kW for several years in a 1 ton package
<bees>
while nukular reactors deliver power, they have TWR problems
<bees>
and you usually end in the same boring 0.0001g
<UmbralDrone>
NEP is interesting for missions to the ice giants and kuiper belt
<UmbralDrone>
Mars... eh
<discord->
Kirk. — I guess beamed power is the only way to get that kind of TWR
<discord->
Kirk. — Or very spicy nuclear
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<discord->
Kirk. — If you're willing to sacrifice a bit of lifetime, and pay for some very high temp materials, you can probably get a lot more than 10 kW out of 1 ton
<discord->
[experimentalshells?]. — > The dataset we share took about 6 core years of computation time on a 2.4GHz Intel Xeon CPU, resulting in 200 kg of CO2 emissions.
<UmbralDrone>
>_>
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<_whitenotifier-8975>
[Principia] eggrobin opened pull request #2817: Negative sidereal periods are out of range - https://git.io/JIr6N
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<discord->
egg. — @Butcher sorry about the slow review, I got distracted by #2811. I requested some changes; if you want this to be in Гельфонд bear in mind that the new moon is on Monday, so we will most likely be building the release sometime this week-end.
<discord->
Butcher. — OK, I'll take a look now.
<discord->
Butcher. — Not a huge deal if moves to the next lunation though.
<discord->
egg. — yeah that is the nice thing with frequent releases
<discord->
Butcher. — Oh, is that why your formatting is how it is, 80 char limit. Suddenly it all makes sense.
<discord->
egg. — well yes, we need to fit that on punchcards that can somehow store one extended grapheme cluster per column :D
<discord->
egg. — (since obviously á̀́ counts for one column)
<discord->
egg. — (EGC because obviously á̀́ counts for one column) (edited)
<_whitenotifier-8975>
[Principia] eggrobin closed pull request #2806: Stop unused analysers, reduce the analysis frequency in the background - https://git.io/JILxD
<_whitenotifier-8975>
[Principia] eggrobin pushed 6 commits to master [+0/-0/±29] https://git.io/JIoWv
<_whitenotifier-8975>
[Principia] eggrobin ad3c327 - Stop unused analysers, reduce the analysis frequency in the background
<discord->
Butcher. — OK, I can just push normally then, some people like everything flattened down.
<discord->
egg. — yeah I know, ICU is like that
<discord->
egg. — they even has automation that yells at you
<discord->
egg. — they even have automation that yells at you (edited)
<discord->
Butcher. — Incidentally, with `history_colour = history_parameters?.GetDrawColour();` if `history_parameters` is null, presumably it just drops the whole assignment?
<discord->
Butcher. — C# is not really my language. :-p
<discord->
egg. — oh no, it assigns null
<discord->
egg. — doh
<discord->
Butcher. — Because that's not semantically the same. :-p
<discord->
egg. — OK so that is probably not a good idea in retrospeggt
<discord->
egg. — we could have history_colour = history_parameters?.GetDrawColour() ?? the_default
<discord->
egg. — we could have `history_colour = history_parameters?.GetDrawColour() ?? the_default` (edited)
<discord->
egg. — but this is questionably better
<discord->
egg. — so shrug, keep it as it is
<discord->
egg. — it used to be out parameters which would have behaved the right way
<discord->
egg. — I think I sort of preferred the two-out-parameter version tbh
<discord->
egg. — (alternatively we could create a class for the colour & line style, but that is probably out of scope for this CL)
<_whitenotifier-8975>
[Principia] pleroy labeled pull request #2817: Negative sidereal periods are out of range - https://git.io/JIr6N
<_whitenotifier-8975>
[Principia] eggrobin closed pull request #2817: Negative sidereal periods are out of range - https://git.io/JIr6N
<_whitenotifier-8975>
[Principia] eggrobin closed issue #2811: Crash while descending towards the surface of a body - https://git.io/JIsmq
<_whitenotifier-8975>
[Principia] eggrobin pushed 2 commits to master [+0/-0/±2] https://git.io/JIoHd
<_whitenotifier-8975>
[Principia] eggrobin 19e633d - negative sidereal periods are out of range
<_whitenotifier-8975>
[Principia] eggrobin 16e6105 - Merge pull request #2817 from eggrobin/negative-periods Negative sidereal periods are out of range
<discord->
egg. — @Butcher 𒀭𒈾, I’ll merge once the build is done ; once that’s done you can try playing with a build from master to see if things are working as expected
<discord->
egg. — @Butcher merged, you can do all the Гельфонд QA you want :D
<discord->
Stonesmile. — Will the next release have the *exact* same name or are you adding something to tell them apart? ( Гельфонд 2: electric boogaloo)
<discord->
Butcher. — But have you addressed #2810? 🤣
<discord->
Stonesmile. — Should be an easy fix
<discord->
Butcher. — There's a similar issue in RSS asking for 1080p textures.
<discord->
Butcher. — Same author.
<discord->
egg. — 1080p for the planets? whee
<discord->
Butcher. — Yeah, I'm not sure he really knows what he's asking for...
<discord->
egg. — 20 km pixels
<discord->
Butcher. — Hmm, replacement ps5, better get this badboy set up.
<discord->
Butcher. — Meanwhile on the forums, someone would like the whole planet at *30m* resolution.
<discord->
Butcher. — I'm not sure where we are going to host the 2TB dataset for that.
<discord->
egg. — well, we have @Katniss’s models, so now we just need infinite Katnisses
<discord->
Butcher. — And leaving aside that best res for PQS is some hundreds of metres per triangle.
<discord->
Katnissssssssss. — My cape uses PQSCity2 😄
<discord->
Katnissssssssss. — My cape uses PQSCity2 😄 not PQS directly (edited)
<discord->
egg. — yeah
<discord->
Katnissssssssss. — Although, there is custom heightmap with a big hole where the cape would be
<discord->
Butcher. — Yeah, that seems a better way to do it, since PQS is too coarse for that sort of thing.
<discord->
Butcher. — Can;t you just use a flatten mod rather than butchering the heightmap?
<discord->
Katnissssssssss. — That would be a better option
<discord->
Butcher. — Speaking of butchering heightmaps, I still haven't fixed the polar ice caps on Earth. 🤔
<discord->
Katnissssssssss. — But I'm too lazy to change it 😄
<discord->
egg. — doesn’t killing the heightmap mess with radar altimeter readings ?
<discord->
Butcher. — Possibly, also this might be why there are issues with craft thinking they're underwater with the cape mod.
<discord->
Katnissssssssss. — What exactly has the problem with thinking underwater?
<discord->
Butcher. — A flatten mod to some small but above sea level value would likely be more robust.
<discord->
Katnissssssssss. — What exactly has the problem with thinking its underwater? (edited)
<discord->
Katnissssssssss. — Small but above SL value would interfere with rivers
<discord->
egg. — yeah you have water in a bunch of places
<discord->
Butcher. — Some people have experienced weird acceleration (or lack of) from the launchpad, which is related to the craft thinking it's underwater and applying water dynamics rather than air.
<discord->
Katnissssssssss. — That's weird, never happened to me
<discord->
egg. — but anyway, 30 m resolution everywhere is clearly feasible, assuming a mod that loads the PQSCity2 bits on-demand and massive storage :D
<discord->
Katnissssssssss. — also, you don't need 30m resolution everywhere
<discord->
Butcher. — Even just PQSCity around the launch sites would be an improvement.
<discord->
Katnissssssssss. — Because not everywhere has such big height variations
<discord->
lpg. — in my experience, the water thing seemed to mostly affect smaller rockets
<discord->
Butcher. — I looked at doing something for vandenberg, but never got it working nicely.
<discord->
Katnissssssssss. — Also, my cape mesh doesn't have grid-like vertices
<discord->
egg. — on a semi-related note there were people on QQ trying to import 3d models of buildings from Google Earth
<discord->
Katnissssssssss. — I know you can import some building data from OSM into Blender with Blender GIS addon
<discord->
Butcher. — Nice fix on #3811 btw egg, that's an interesting edge case.
<discord->
Butcher. — Nice fix on #2811 btw egg, that's an interesting edge case. (edited)
<discord->
egg. — 2811, we are not in the 3000s yet; but yes, that was tricky to debug
<discord->
Butcher. — Yes, that typo was hard to correct because discord kept trying to give me channel names.
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<discord->
Skylar (She/Her). — I have expeeienced some weird things on the runway but idk if its bc of cape or another issue, check out my last mission reports video clip
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<discord->
Paculino. — Should I try out master?
<discord->
Katniss (Katniss/Katniss's). — Doesn't look like it's related to my cape
<discord->
Katniss (Katniss/Katniss's). — Bouncy wheels and weird stuff like that seems like "normal" KSP shenanigans
<discord->
Paculino. — I have a problem with a craft thinking it is landed
<discord->
Paculino. — removing wheels did not fix it completely
<discord->
lpg. — the only 'vessel state' issue I remember seeing with katnisscape is vessels on the pad not being considered in 'prelaunch'
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