Style sprite and source urls

[jatech1]

1. I recall seeing somewhere that MapLibre style spec supports embedding the sprite json and png files in web app and referring to the embedded files in the sprite style url... but I can't find any reference to that now. Can someone confirm for me if this is supported and the syntax?

2. For tile source urls... does adding an array of two or more urls always speed up tile loading in all browsers... even if you repeat the same exact url? Or do current browser versions ignore the duplicate and still impose the same single link tile simultaneous load limit? Or is that limit a thing of the past and multiple source urls does not help speed things up any more?

Thank you, in advance, for advice here!

[HarelM]

1. The following link should have all the information you need, hopefully, if not please let me know: https://maplibre.org/maplibre-style-spec/, specifically https://maplibre.org/maplibre-style-spec/sprite/
2. Usually, browser is able to download 6 fetch requests at the same time, so I'm not sure it will actually help performance, it might help the "high availability" part of the service.

[jatech1]

I have read over that style spec many times, but don't see anything about supporting local file. On the tile loads... I'll do some tests to see if two sources entries makes any difference. Was just hoping someone familiar with the code may know off-hand, how maplibre and the browser handle two sources these days. ie. do they always try both simultaneously? Do they use one and fail to the other if an error occurs? Use both and mark one failed if error? Does it increase the number of tiles than are loaded simultaneously? I was hoping may be all of that was documented somewhere.

[HarelM]

Msplibre is using the fetch method (also in the worker thread), so if the url is rechable from the main thread and worker thread then it should work. But I advise to simply try it out...

[HarelM]

Regarding multiple sources, that's a lot of questions, but unfortunately, I don't have the answers.