The OS Map theme tries to emulate the Ordnance Survey 1:25k and 1:50k map styles as closely as is possible within the constraints of Locus Map and data provided by the vector maps. It should work with both LoMap and OAM maps (v3 and v4). I must give credit to John Campbell for his Voluntary UK theme that I used as a starting point (v. 190101).
The OS Map theme also provides a darker variation of OS style of map designed for use at night-time to help avoid spoiling night-vision whilst keeping a recognizably Ordnance Survey style of map.
The theme now consists of four main theme files, day/night for v3 maps and day/night for v4 maps. There are two PDF map legends, one for day and one night.
Here is a comparison of the same map rendered with: Internal Theme, Voluntary UK, OS Style and my new 4 OS map styles:
SCROLL TO VIEW THE COMPARISONS >>>>Here are the list of all the changes made for each release:
v20200427
Initial release for v3 maps only
v20200529
Added v4 map support
Added option to highlight toll roads (default is not highlighted). Highlight means orange outline and orange dots as you zoom in.
Added option to set OS style roads names (pathtext) for countires that are left hand traffic or right hand traffic. This is only applicable to dual carriage ways.
Added drawing of footpaths and bridleways that are on dashed track/service roads.
Added thicker dashed 1:50k style for airport runways (was using thinner 1:25k for 1:50k before)
Added defibrillator symbol (non OS symbols)
Added OS text symbols for: Libraries, Shelters, Cairns, Caves, Adits [Mines, Mines (dis)], Waterfalls (Falls in blue)
Added library buildings to list of important building, i.e bolder outlines.
Added place markers for towns/cities (similar to Elevate theme) at low zoom levels (e.g. 5-7).
Added support for sizing of town/city names based on population density (popcat)
Changed borders (admin_level) to improve support for non-UK counties by grouping togther Parishes=9/10, Districts=7/8, Counties=5/6, National=2/3/4
Changed pharmacy amenity symbol to also include chemist shops (non OS symbols).
Changed order of options, putting least changed options towards bottom of list.
Changed embankments to draw at a higher level priority to avoid them being overdrawn by water ways and residential areas.
Changed footbridges to draw at a higher level priority to avoid them being overdrawn by water ways.
Changed tunnels to use smaller dashes for better match OS map style.
Changed 1:50k trunk_link and motorway_link roads to use correct/matching outline widths on bridges.
Changed highway labels at zoom levels 7-12 to use captions instead of pathtext for OS labels
Changed priorities of several symbols to improve visibility of churches, information and museums at lower zoom levels.
Changed car parks at lower zoom levels (upto zoom 15) to only show ~|destination|customers|public car parks.
Changed hill name sizes slightly larger
Changed (corrected) selection of national hiking routes to only include iwn|nwn, i.e. remove rwn|lwn|uwn.
Changed (corrected) selection of national cycling routes to only include icn|ncn, i.e. remove rcn|lcn|ucn.
Changed (corrected) wells so they now get displayed.
Changed doctors captions from red to black text.
Changed v3 theme place names to match/harmonise to style used on v4 theme.
Removed tourism brown dashed ways accidentally left in from donor theme (UK Voluntary)
Removed access cross hatchings on footpaths accidentally left in from donor theme (UK Voluntary)
Removed surface dashes on 'white' roads accidentally left in from donor theme (UK Voluntary) - If this is going to be in the theme then I need to think about how to do it in an OS style way...
v20200530
Fixed validation errors (one was a real issue in V4 theme for railway stations at zoom 13, rest were technical errors but not impacting display of maps).
v20200607
Split v3 and v4 theme files into separate day and night theme files so they can have different map=background tags, different PDF legends and increase performance.
Added night mode symbols for transmitters, windmills, wind turbines, lighthouses, ruins/archaeological, battlefields, telephones, helipads, bollards.
Added night mode PDF legend.
Added four .lnk files to map the two PDF legends to relevant four theme files.
Changed priority of cemetery symbol lower than church symbol.
Changed night mode track core colour to match service/residential roads.
Changed night mode tunnels to use own night equivalent of day tunnel colours.
Changed night mode steps to look similar to day time steps and less like a ladder.
Changed night mode turning circles and passing places to be more visible.
Changed area ways for residential roads to match residential road outlines for all map themes.
Changed AED, playground and shooting symbols to remove white outline/background to match other symbols.
Changed 50k toilet synbol to fix errors in tiny-svg rendering.
Attached is a copy of the day time legend for the theme, but I can't attached the other legend or the theme ZIP because of the 2MB attachment limit of the forum... so I have placed all the versions of the theme onto google drive:
OS Map Theme ReleasesLink to latest release:
OS Map v20200607.zipLinks to the OS Map Legends:
OS Map Day Legend OS Map Night LegendInstall in the usual way of unzipping in Locus Map's _theme folder, e.g.:
\<root>\Android\data\menion.android.locus.pro\files\Locus\mapsVector\_themes
If you have already started using the earlier OS Map theme version then you probably should delete it before installing this updated version as it uses the same theme folder called "OS Map" but now uses four different named theme files - to cover day/night themes for v3/v4 maps.
Note that the legends are now included in the theme and can now be viewed directly from the theme menu in LM 3.46+ via a long press of the theme icon.
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