I'd like to know, it's probably here on the site somewhere, why some posts have two file extensions. GPX and csv I think are the two.
Is one better than the other for my Nuvi 650?
of all the technical specifics but the GPX has more flexibility. I use GPX files to provide links to photos and the CSV doesn't support that capability......unless I'm a complete idiot and some people think so
I know there is a size difference. I think the csv files are easier to use. My opinion it just seems that way.
CSV stands for comma seperated value and is a text file format that can be easily viewed with any text editor. However, when you look at the file, there is no information within it to describe what the fields mean although most can tell by looking. Since it is such a straight forward file format, it can be created and edited with many types of software.
GPX stands for GPS eXhchange format and is a more complicated file format than CSV. GPX uses XML to include not just the data but also information to describe what the data is. Since the forware is specific to GPX, with the exception of real techno geeks, you need a GPX editor to create and edit.
You can view both file formats using notepad to see what I'm talking about.
another BIG difference is that the CSV format supports multiple POI's with the same name, whereas the GPX format does not. All POI names must be unique. Actually, it's not the file format that forces that, but the applications do. For that reason, I typically maintain my POI's in CSV format, and have created my own conversion tools to get GPX or KML files into that format for me
There's a FAQ at:
concerning the two.
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