Sat2Chart

[Jon Hacking]

Massimo, I'm sorry to say, but if it's really a problem with Sat2Chart, then you're probably going to have to work around it. While Sat2Chart is a good automation engine, it has a few issues. We'd LOVE to fix those, & to continue development of Sat2Chart with some additional features we & others have thought of, but so far, Paul hasn't let us do this, & now he's not even looking into any issues himself.

In your case, if merging multiple mbTiles isn't working, I'd suggest making your download areas bigger, & simply creating bigger mbTiles that way. SAS won't download tiles for places that are already in its cache, so creating polygons that cover areas you've already downloaded shouldn't slow things down much. In fact, I'll often rerun my downloads, just to make sure that everything I want is already in my cache, & that there are no holes from download errors.

The way I make my final mbTiles is that I don't use ANY of the mbTiles that are created by Sat2Chart in the download process. Instead, after I've finished my download process, I create BIG polygons that cover my entire area of interest. This usually includes areas that I'm not as interested in, like interior land & mid-ocean, where the cache only has low-resolution data, zooms 10-12, but that's OK.

I then create just a few big mbTiles, at zooms 10-18, directly from the cache. SAS will put in what data it has, but I tell it not to download any more data. This gives me a high-level overview of land & ocean, & also includes all the coastal detail that I've downloaded earlier, which is exactly what I want.

[elan 333]

Originally Posted by Jon Hacking

Massimo, I'm sorry to say, but if it's really a problem with Sat2Chart, then you're probably going to have to work around it. While Sat2Chart is a good automation engine, it has a few issues. We'd LOVE to fix those, & to continue development of Sat2Chart with some additional features we & others have thought of, but so far, Paul hasn't let us do this, & now he's not even looking into any issues himself.

In your case, if merging multiple mbTiles isn't working, I'd suggest making your download areas bigger, & simply creating bigger mbTiles that way. SAS won't download tiles for places that are already in its cache, so creating polygons that cover areas you've already downloaded shouldn't slow things down much. In fact, I'll often rerun my downloads, just to make sure that everything I want is already in my cache, & that there are no holes from download errors.

The way I make my final mbTiles is that I don't use ANY of the mbTiles that are created by Sat2Chart in the download process. Instead, after I've finished my download process, I create BIG polygons that cover my entire area of interest. This usually includes areas that I'm not as interested in, like interior land & mid-ocean, where the cache only has low-resolution data, zooms 10-12, but that's OK.

I then create just a few big mbTiles, at zooms 10-18, directly from the cache. SAS will put in what data it has, but I tell it not to download any more data. This gives me a high-level overview of land & ocean, & also includes all the coastal detail that I've downloaded earlier, which is exactly what I want.

Jon, thanks thanks so much. You are always available and very competent.
I will work following your suggestions

[elan 333]

Is there someone that can provide Sat2chart V15.0.1.1
This is because in the video tutorial is shown that this Version can merge two selected areas, having both map and layers
In the new version I'm not able (see my above posts)
Thanks