This is not really about Qt anymore and overall has little to no value in itself. Could you move this discussion somewhere else please.
On Fri, Oct 18, 2019 at 2:46 PM Roland Hughes <rol...@logikalsolutions.com> wrote: > > > On 10/17/19 4:48 PM, Matthew Woehlke wrote: > > On 17/10/2019 09.56, Roland Hughes wrote: > >> This presents the perfect challenge. Once "The Mother Road" it is now > >> difficult to navigate having many turns, stops and 30 MPH stretches. > >> Most importantly there are huge sections without cellular/wireless > >> coverage. Some sections satellite coverage doesn't work. The vehicle > >> will have to retain all of the knowledge it needs for the trip because > >> updates will be sparse. > > I think you overestimate the difficulty of doing this. My ten year old > > car has maps of the entire US in onboard memory. IIRC it fits on a > > single DVD. Yes, this is now 10 years out of date, and doesn't include > > things like speed limits, but I doubt we're talking about an amount of > > data that can't fit on a single SSD. The car knows where it is from a > > combination of GPS, inertial guidance, and the assumption that it is on > > a road. Combine this with the car *knowing* what it is trying to do and > > being able to actually "see" the road and street signs, and you have a > > system that should be able to navigate at least as well as a human under > > most conditions. This isn't guessing, it's experience... based on > > technology that was close to mainstream *ten years ago*. > > Not really no. > > https://www.foxnews.com/story/couple-stuck-in-oregon-snow-for-3-days-after-gps-leads-them-astray > > While I understand your position and experience mine has been > significantly different. Just a few years ago I was heading out to > Clive, IA. I dutifully updated my Garmin. Before leaving my yard I tried > to set the destination. According to Garmin, Clive, IA (a suburb of Des > Moines) did not exist. Could not find it by zipcode or name. Could not > even find the hotel I was staying at. I had to drive to Des Moines and > "wing it." I have a 16Gig SSD in there and Garmin is pretty good about > letting you know when an update won't fit. > > When I got to Clive and found the hotel I saw the water tower for Clive > which had to be at least 60 years old. The hotel seemed even older. > Adding insult to injury the following morning when I was about to pull > out of the parking lot Garmin actually showed me the street I was on. > > Driving out to Oregon over one Thanksgiving I got to a spot in the > mountains where it seemed only the AM radio got signals. No cell > service. Even the Satellite stuff didn't seem to work. I heard the > Interstate was closed due to the snow and a "mega load" being stuck on a > bridge and unable to climb the next icy rise. I found out the Interstate > was now closed via the big orange gate across it as I came over a rise. > > Driving to Chicago the evening before meeting with clients I have > numerous times gotten to enjoy Garmin (my model also receives the FM > signals) trying to route me up a ramp which was subject to nightly > rolling closures as workers stripe/resurface. Few things more enjoyable > than encountering that late at night while having the nav system > continually try to re-route you back to said closed ramp. > > > > > BTW, I believe Google Navigation has already solved the "retain the data > > you need for the whole trip" problem. Combine this with some form of > > version control system so that the vehicle can frequently download > > updates for its entire operational area, and I just don't see how > > "spotty network coverage" is going to be an issue. (Maybe for someone > > who *lives* in an area with no coverage. Well, such people may just not > > be able to use autonomous vehicles. I doubt that is going to deter the > > folks working on AV's.) > Where this flies apart is the innocent sounding phrase "operational > area." The once a year family road trip to visit some part of America > (or insert country here if your culture has annual road trips) now > defines a new operational area which will require an update right when > all connective services have disappeared. > > > > Yes, situations will come up that it can't handle, at which point it > > will have to get the human involved. Until we have something approaching > > "real AI", that will be the case. > > Yeah . . . GM isn't going to give you a steering wheel. > > https://www.wired.com/story/gm-cruise-self-driving-car-launch-2019/ > > While I applaud them and hope the laws change so anyone with one of > these vehicles without a steering wheel can get falling down drunk in a > bar, pour themselves into the front seat and slur "Home Jeeves" without > getting a DUI, I also live in mortal fear of such a system built by the > lowest cost labor GM can find. The billing rates I hear from the > recruiters reaching out to me about Qt contracts to work on this stuff > in Michigan at the Big 3 locations are _NOT_ bringing in seasoned pros. > > Oh. Poke around on the Web. There is a passable video from Microsoft > automotive division (the division without any customers because Ford > fired them over the shit job they did on Sync). It talks about the > volume of sensor readings they are currently getting per second and > stuffing into an on-board SQL server. That is just straight forward > motion without navigation. They haven't even gotten to the life > threatening "fun" of wind gusts. Message off-list and I can tell you > about the "fun" of driving an 18-wheeler through the mountains during > high summer winds having only 20,000 pounds in the box. So far none of > the autonomous systems I've read about (not that I've read about all of > them) are dealing with crosswinds. With a little bitty low slung car you > don't have to worry about it. With an SUV, mini or tall van it's a > serious concern. It was a real issue for the Buick Rendezvous I once owned. > > https://external-content.duckduckgo.com/iu/?u=http%3A%2F%2Fwww.cstatic-images.com%2Fstock%2F900x600%2F240103.jpg&f=1&nofb=1 > > All wheel drive was great but a tall, light vehicle like that made it a > real challenge when driving in gusty wind even here in the flat Midwest. > > > > > That said, I like your viability test :-). > > > I couldn't remember the highway number for the one which cuts through > the mountains from Idaho to Oregon. There's supposed to be a little > 2-lane the yocals use when the Interstate is closed. > > Sorry, Thunderbird wasn't set up for newsgroups. You will have to > forward to gmane.comp.lib.qt.user > > -- > Roland Hughes, President > Logikal Solutions > (630)-205-1593 > > http://www.theminimumyouneedtoknow.com > http://www.infiniteexposure.net > http://www.johnsmith-book.com > http://www.logikalblog.com > http://www.interestingauthors.com/blog > > _______________________________________________ > Interest mailing list > Interest@qt-project.org > https://lists.qt-project.org/listinfo/interest _______________________________________________ Interest mailing list Interest@qt-project.org https://lists.qt-project.org/listinfo/interest