Comments (5)
Based on the details you have provided, this is expected behaviour.
Chart tiles are only when the display zoom level is within the chart's min & max zoom level values.
Your Large area chart has min-zoom = 1 and max-zoom = 10 and the more detailed chart has a min-zoom = 11 and max-zoom = 17.
When the display zoom level >= 10 and < 11 both of your charts are outside their zoom levels and no tiles will be displayed.
from freeboard-sk.
I understand, but if I create a file with the tiles of zoom level 1 to 11 there is not blank screen.
It a way a workaround (I try it), but in this case, I need to have the level 11 in the 2 files.
I don't know how you choose what level you display on zoom with decimal values in a unique mbtiles file. I suppose it is a round so 9.5<zoom<= 10.5 you display 10 and 10.5<zoom<=11.5 you display 11 and so on.
It seems to be the good way to manage zoom levels beteween files as you do for zoom levels in one file.
Thank you
from freeboard-sk.
Can this issue be closed?
from freeboard-sk.
It depends on you.
The issue is present and the work mode is not consistent with the work mode in one file.
For me, the consistent work mode will be, in my example from 10.0 to 10.5 display the charts from the 1-10 file and from 10.5 to 11 display the file with zoom from 11 to 17.
In other words, level 10 includes decimal levels from 9.5+ to 10.5 and level 11 is used for displaying level 10.5+ to 11.5, like the Math.round() method will do.
from freeboard-sk.
The way in which tiles are displayed at various zoom levels are not part of the Freeboard code operation but rather the OpenLayers library operation.
Any proposed change would need to be raised with OpenLayers.
from freeboard-sk.
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from freeboard-sk.