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Locus Map - help desk Topic Problem Locus Map (Android)

Category Locus Map (Android)

Application Locus Map 4

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Grey band across Ordnance Survey UK maps

Mark Pennington shared this problem ago

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Hi, I have a grey band across my maps containing the message Map of this area is not available. It plainly is available as it can be seen greyly beneath. The band moves as I scroll to always be across some of the screen. Is happening on both my phone and tablet. Looks like a bug of some kind? Example att. Thanks.

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Replies (3)

Michal Stupka ●

Hi Mark,

it seems you have some map overlay turned on - either through the map overlay feature or via WMS/WMTS. Please check it and turn it off if applicable.

More info:

https://docs.locusmap.app/doku.php/manual:user_guide:mainscr_lpanel#map_overlay

https://docs.locusmap.app/doku.php/manual:user_guide:maps_wms

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Mark Pennington ●

Hi Michal, I have just downloaded some new OS maps. The first one seemed fine but adding contiguous further maps has brought the same problem. I have no overlays as far as I can see, see screen shot att. Same problem on both my tablet and phone. Not resolved unfortunately. Thx Mark.

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Michal Stupka ●

Hi Mark,

what about WMS or WMTS map? Is there this button in the top left corner?

1ae34bc2ae0a61dff77892b04c25ce086d95fbcf21f03eaf3ffa85633d2bf81d

Next option, a KML file. Please check that the "Active items" is also empty. More info: https://docs.locusmap.app/doku.php/manual:user_guide:mainscr_lpanel#active_items

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Mark Pennington ●

Hi Michal, thanks for your reply. Answers are no though - see attached. NB I have no problem at very high levels of zoom-in. ?? The problem might be across the different layers of OS mapping somehow.

As I switch around maps, the problem is changing before my eyes: I now have grey dropped tiles rather than greyed mapping. E.g. on the third file the whole screen area should be available, as it was earlier today. Evidently it is struggling to retrieve the mapping. Some OS maps seem problematic and some not. The boundary seen is between two maps.

Mark.

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Petr Voldan ●

Hi Mark,

Michal asked me to help with this issue. I tested the Maidstone & the Medway Towns sheet (which should cover the missing area) and the map appears to be correct on our side.

Could you please try the following steps:
- Open Menu > Settings > Maps > Offline maps > Raster maps and set No map auto‑load.
- Go to Menu > Map manager > Offline tab > Maps.
- Open the three‑dot menu for Ordnance Survey and choose Center map.
- Check whether Maidstone & the Medway Towns is listed among the maps. If it is, what happens when you select it to center the map on that sheet?

Thank you for checking this.
Petr

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Mark Pennington ●

Hi Petr, I have now selected No map autoload as you request, though I can't see that it makes a difference to the outcome: all OS remains active.

When I select Maidstone map and autocentre I get it, looks fine. But when I scroll left towards Sevenoaks map, as soon as that starts to appear, the Maidstone map on right of screen disappears giving grey area. I can recover the Maidstone mapping by scrolling right away from Sevenoaks map: middle of Maidstone map is there and I can scroll left again to repeat the effect. If I dither around the boundary, grey blocks appear and shift around.

The program is evidently struggling with the map sheet boundary: can't see two map sheets at once. I bought Sevenoaks first in this part of UK, and it seems to be the reliable one.

It's not a problem confined to one OS map: I can get similar problems elsewhere in UK.

Thanks,

Mark

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