Sometimes map tiles does smaller in 2x times in map when use RouteMe (Alpstein fork)

Question

I use RouteMe (Alpstein fork) for display maps

this map engine use CATiledLayer for display map tiles

sometimes map tiles does smaller in 2x times (when I do often zoom in and zoom out)

who know how it can fix?

• problem repeated in my iPhone 4S (5.1.1)

• so I found same problem in RouteMe (Alpstein fork) based SDK like: MapBox IOS SDK etc...

Answer 1

If your tiles aren't optimized for retina display (i.e., have their line widths and text sizes doubled for legibility), then you will want to look into mapView.adjustTilesForRetinaDisplay.