As a Dutchman I own a European Prius 2016. The navi offers the opportunity to find a place by means of entering geo-coordinates in degrees, minutes and seconds. I detected something weird: when entering geo-coordinates I noticed that the navi stores the coordinates with 1 sec less! This results in a deviation of several meters. It is possible to work around it by increasing the seconds by 1, but it is still an unexpected phenomenon. Do American navis have this same weird thing?
My fellow citizens may know something I don't, but to my knowledge we are unable to input Lat/Long or other coordinates at all.
welcome! agree with athiker, i don't have a '16, but i have never seen a gps with anything but an address for destination. where does the average bert get coordinates?
FWIW I can enter Lat/Lon coordinates into the onboard nav system on our 2016 Prius v Three. See the screen shots. I have never tried it but based on this thread I took a look this morning. My question is a deviation of several meters means how many meter? From this site... USGS FAQs - Geospatial Data - How much distance does a degree, minute and second cover on your maps? ...at 38 Deg North Latitude one second of Latitude = 101 feet, approximately 30.78 meters, while one second of Longitude = 80 feet, or approximately 24.4 meters.
One way is using Google Maps... The screen shot is from my Win 10 Pro laptop... I could input Lat/Lon coordinates into my old Magellan car GPS if I wanted to.
Well the only instance I can think of is if I want to get to a particular location on a country road that has no street address, eg. its out in the middle of no where so to speak. It might come in handy then. Beyond that it really has no purpose for my normal day to day use.
As fellow thru hiker and lister Jimbo Palmer might attest, if you were out hiking and had made arrangements for someone to meet you along a logging road -- perhaps because you were slack packing or needed supplies in the middle of Maine's so-called Hundred Mile Wilderness -- shared GPS coordinates could help. Also good for calling in an air strike, should the need arise.
Until the Prius, I always preferred lat/lon coordinates. I have a couple of Garmin Street Pilot GPS and I use Garmin's map program on the computer to plan routes and save waypoints. Sometimes the easiest was to transfer a point is with the lat and lon. Its easy to share a point that way too. Especially if you are working across different platforms. You can import a whole list of points in just a few minutes.
What is the minimum resolution of the seconds displays? 1 second, or something smaller such as 0.01 second? If the former, i.e. 1 second is the smaller possible display increment, then I wouldn't be surprised if this bug is merely a truncation or rounding issue in the math. The internal storage is almost certainly in some form of finite floating point math format that doesn't exactly represent the HHH:MM:SS format you entered. If a software designer didn't make the code round up display values to the nearest second correctly, or simply truncated the decimal portion, then the display would exhibit the error you see. The actual internal 'error' would be smaller than a full second, possibly far smaller, but would be difficult to determine without knowing the design internals. And such errors are likely down in the range of inherent GPS measurement noise. i.e. fuggedaboudit. If the later, i.e decimal fractions are displayed and are correct, then someone created a real software bug.
Thanks to everyone for the interesting discussion. It did not help me, but it was amusing to follow. I doubt whether it is a matter of truncation or rounding, because I can work ariound it by increasing each second by one, resulting in the desired coordinates. I keep being amazed... My software was designed in Hungary, I found out. You guys in the US probably have different software.
When we went to Croatia in our last Prius, being able to input a destination this way saved us on a few occasions. The navigation system (Tom Tom) had maps for Croatia but only the main roads were named and searchable in the database. I might have forgotten to download the Croatia add-on pack but there's no evidence of that
