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shed
Joined: 27 Jun 2008
Posts: 6
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 Posted: Sat Jun 28, 2008 9:34 am Post subject: Location in OSGB format? |
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| Hi, is it possible to get the CMS to display the co-ords for the location in the OSGB format? This is the std grid for the OS maps used in Great Britain. Being able to display those would be a great help when hiking/cycling.
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kruch
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Joined: 02 Jul 2006
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| Posted: Mon Jun 30, 2008 6:11 pm Post subject: |
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I think that Settings->Basic->Coordinates (format) should be effective for CMS as well. So for <Map Grid> (and <UTM>) selection, {wpt-coords} should show complete grid coordinates; {wpt-lat} would be x (easting) and {wpt-lon} would be y {northing).
Opinions? 
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Ranger
Joined: 12 Dec 2006
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| Posted: Mon Jun 30, 2008 8:18 pm Post subject: |
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Why not. I don't have exactly sample for OSGB, but IG works this way.
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kruch
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| Posted: Tue Jul 01, 2008 8:41 am Post subject: |
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| If it works for IG, then it must work for OSGB too.
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Cactus
Joined: 14 Dec 2007
Posts: 209
Location: Surrey UK
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| Posted: Tue Jul 01, 2008 8:43 am Post subject: |
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I'm using the Car Navigation theme, with an OSGB map at zoom level 8 and WGS84 maps at levels 10, 12, 14 and 16. The only place where the map selection alters the theme display is in the ALL panel, where the top line changes between OSGB and DMS display depending on the map selected. The NAV and GEO panels display DMS all the time.
While we're on this topic, I notice that the units used for speed change according to the settings, but the theme always displays "km/h". E.g. for 10 miles per hour, the theme shows "10 km/h". No big deal, but is it possible to change the display when other units are selected?
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Last edited by Cactus on Tue Jul 01, 2008 11:10 am; edited 2 times in total |
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kruch
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Joined: 02 Jul 2006
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| Posted: Tue Jul 01, 2008 9:16 am Post subject: |
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| Cactus wrote: |
| I'm using the Car Navigation theme |
Which one is it here on the forum?
| Cactus wrote: |
| While we're on this topic, I notice that the units used for speed change according to the settings, but the theme always displays "km/h". |
It is hardcoded literal in the xml in the theme... new variables, like {spd-units} etc, would have to be introduced.
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Ranger
Joined: 12 Dec 2006
Posts: 4712
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| Posted: Tue Jul 01, 2008 9:50 am Post subject: |
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| Or just variable {units} having values ie 1,2,3 for unit system (metric, nautical etc) to choose correct units symbols set ?
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Cactus
Joined: 14 Dec 2007
Posts: 209
Location: Surrey UK
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| Posted: Tue Jul 01, 2008 11:08 am Post subject: |
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| kruch wrote: |
| Cactus wrote: |
| I'm using the Car Navigation theme |
Which one is it here on the forum? |
http://www.trekbuddy.net/forum/viewtopic.php?p=11789#11789
| kruch wrote: |
| Cactus wrote: |
| While we're on this topic, I notice that the units used for speed change according to the settings, but the theme always displays "km/h". |
It is hardcoded literal in the xml in the theme... new variables, like {spd-units} etc, would have to be introduced. |
Thought so. Thanks for the info. Maybe an idea for the future?
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shed
Joined: 27 Jun 2008
Posts: 6
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| Posted: Tue Jul 01, 2008 8:36 pm Post subject: |
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| kruch wrote: |
I think that Settings->Basic->Coordinates (format) should be effective for CMS as well. So for <Map Grid> (and <UTM>) selection, {wpt-coords} should show complete grid coordinates; {wpt-lat} would be x (easting) and {wpt-lon} would be y {northing).
Opinions? |
Hi, I've set that but still get the Lat/Lon format coord. I think it must be the map setup. I'll look into that a bit more and let you know what I find out. Cheers for the ideas.
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Cactus
Joined: 14 Dec 2007
Posts: 209
Location: Surrey UK
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| Posted: Wed Jul 02, 2008 8:50 am Post subject: |
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| shed wrote: |
| Hi, I've set that but still get the Lat/Lon format coord. I think it must be the map setup. I'll look into that a bit more and let you know what I find out. Cheers for the ideas. |
My experience is that you need to have an OSGB/BNG calibrated map selected, plus Settings > Basic > Default datum: OSGB 36 and Coordinates: <Map Grid>.
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kruch
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Joined: 02 Jul 2006
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| Posted: Wed Jul 02, 2008 9:12 am Post subject: |
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If calibration info contains datum info (and Ozi's .map files do), then Settings > Basic > Default datum is ignored!
In 0.9.79, for single coordinate (lat, lon) reference in CMS, Settings->Coordinate was ignored, but in 0.980 it is taken into account nad you should see grid coord(s) everywhere.
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Cactus
Joined: 14 Dec 2007
Posts: 209
Location: Surrey UK
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| Posted: Wed Jul 02, 2008 9:33 am Post subject: |
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| kruch wrote: |
If calibration info contains datum info (and Ozi's .map files do), then Settings > Basic > Default datum is ignored!
In 0.9.79, for single coordinate (lat, lon) reference in CMS, Settings->Coordinate was ignored, but in 0.980 it is taken into account nad you should see grid coord(s) everywhere. |
Ah - I see what you mean. You just need an OSGB map selected and Settings > Basic > Coordinates: <Map grid>.
0.9.80: grid coordinates work nicely in all the CMS screens. Thanks!
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jsavage
Joined: 08 Mar 2007
Posts: 5
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| Posted: Mon Aug 18, 2008 9:26 pm Post subject: |
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I have just come back to trekbuddy after a year or so and am impressed by changes. I am struggling to get OSGB36 displayed at all. I have seen the setting for OSGB and I also selected Grid but with no success yet. Am not sure I understand by an OSGB calibrated map? I am using gm2tb as a source of maps.
So firstly, can I get OSGB to display on the desktop (top of the map)?
Is there another tool I could use to calibrate the maps or do I have to express the calibration in OSGB36 format?
Regards,
James
Nokia 6230i
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kruch
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Joined: 02 Jul 2006
Posts: 5083
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| Posted: Mon Aug 18, 2008 10:35 pm Post subject: |
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| Yes, you have to express the calibration in OSGB36. And there is no better tool than Ozi Explorer for calibrating maps, I think.
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Cactus
Joined: 14 Dec 2007
Posts: 209
Location: Surrey UK
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| Posted: Tue Aug 19, 2008 11:13 am Post subject: |
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Tools I've used to create OSGB/BNG maps for TB:
Googleak, to produce an Ozi map.
Ozi Map Merge ( http://www.oziexplorer3.com/mapmerge/mapmerge.html ) to convert WGS84/Mercator to OSGB36/BNG and trim to rectangle.
DeMapper ( http://www.terraperfecta.com/demapper.php ) to convert Map Merge's .ozfx3 file to .png
Edit the map file, changing .ozfx3 to .png
TBCutter to create map tiles
Then a script to create tar and tmi files and pack it all into an atlas.
I found it too much work to convert all levels, so I only created an OSGB/BNG map at the top level, with all lower levels in the original WGS/Mercator. If I need the OSGB/BNG coordinates, I zoom to the top level (although I'm not sure if TB then clicks to the nearest pixel, thus losing accuracy).
Hope this helps more than it confuses
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