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2/24/17
Original Poster
Swifty

10 layer limit in My Maps

I'm planning a road trip around Germany,  Austria and Switzerland this summer. I've come across the 10 layer limit almost before I'm out of Belgium, on my way, with the whole of Austria and Switzerland ahead of me.
The main cause of layer usage is routes that cannot be planned in one piece, because segments of the routes are currently closed due to winter conditions. And the fact that each country has around 30 scenic routes, which branch like tree roots, demanding dozens of layers.

But this got me thinking "Why a 10 layer limit in the first place?". Who, or what benefits from such a limit? Or who/what would suffer if it were raised to 100 (about what my journey requires) or even 1,000?

Is there a commercial version, which removes these limits? Something like that can nearly always be found when you come across a barrier to doing things the way you want to.
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2/24/17
Expert - Gold
barryhunter
The main cause of layer usage is routes that cannot be planned in one piece, because segments of the routes are currently closed due to winter conditions. And the fact that each country has around 30 scenic routes, which branch like tree roots, demanding dozens of layers.


One small thing that might help, if you export a 'directions' layer, as KML (or the whole map), can then import that KML back into a new layer. On reimport it becomes layer of raw 'features' (lines and placemerks) rather than a 'special' layer. 

So you can drag the features from this imported layer, into a standard layer. Including many lines in one layer. Bit by bit can then 'move' all the lines to a standard layer. Can then put LOTS (2000) such lines into a single primiatve layer. 

 
 
 
Or who/what would suffer if it were raised to 100 (about what my journey requires) or even 1,000?

In part its probably a performance tradeoff. The more layers there are the longer a map will take to load, and more server resources it will need. The map will also be slower to use. My Maps (both the editor and viewer) are primarylly a javascript application, that urn in browser (not a server side app). So Google needs to be mindful of how it performs in browsers. Its possible 100 layers for example would overwealm some browser (think slow ones like internet explorer, or even browsers in mobile phones) 

Google like to 'artifically' stop the map working, before you 'shoot yourself in the foot' and make a map that becomes unstable. For better or worse, its a valid opinion on the way its done. 

 

Is there a commercial version, which removes these limits?

There was a commercial version that had a limit of 10 layers. At the time the free version had 3! 

When the paid version was retired the free version inherited the bigger limit!
 
2/24/17
Original Poster
Swifty
Thank you for the practical suggestion on how to combine routes into simple layers. That should keep me busy in the run up to our Grand Tour (around 6,000 miles over a couple of months in our motorhome).

I used to be the author of a website inside IBM that measured employee morale. It started off on an old x386 PC in the corner of our office, serving much of the UK workforce. But then it proliferated across Europe and Africa, and we arrived in a never ending spiral of larger servers, faster network connections, and Software performance updates. It kept me in gainful employment for the last few year's of my career.
 

I just cannot imagine how much trouble My Maps could cause Google, if the limits ballooned. My user base of around 100,000 was minuscule by comparison.
 

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