[Geowanking] Converting Lat Long to X Y

[Mike Liebhold]

Thanks Will,

I think I get all that. ( but I'm not sure where 'level' should be... 
sealevel?)  But what coordinate reference system, and what semantics 
should i use to making everything painlessly web accessible?

GeoRSS is 2D.

-m



Will King wrote:
> Mike
>  
> After asking myself why;-) here's a quick and dirty method.
>  
> First measure the lengths of your walls with tape or disto.  Lets say 
> your room is 10 metres by 5 metres.  Then divide this into theoretical 
> grid squares of your choosing ie 1 metre squares.
>  
> Pick a corner and call this 0.000, 0.000 (this is your bottom left of 
> your living room "grid" if you drew it on paper).  Diagonally across 
> (ie top right corner) from this coordinate is 10.000, 5.000.  You can 
> then get any coordinate in the room from this grid.
>  
> To get a z level (elevation) measure up from your floor and "set a 
> level" one metre or whatever up, mark it with pencil etc.  
>  
> Will 
>
> On Jan 31, 2008 10:24 PM, Mike Liebhold <mnl at well.com 
> <mailto:mnl at well.com>> wrote:
>
>     I'm thinking of mapping my living room. Does anyone have any
>     sugggestions How should I convert the location of furniture,
>     lamps,  into location coordinates?  I think I know how to do x and
>     y, but z is a problem, though highly useful for finding things
>     like books.
>
>     - mike
>
>
>     John Handelaar wrote:
>>     On Jan 31, 2008 9:34 PM, Paul Harwood <paul at harwood-leon.com> <mailto:paul at harwood-leon.com> wrote:
>>       
>>>      Hi,
>>>
>>>     Just a lazy question from a novice geowanker I suppose...but it might save
>>>     me an evenings surfing though if you can help.
>>>
>>>     I have googled a bit, with a few solutions... but does anyone have a perl
>>>     script (or a site) to hand, to do Lat Long conversions to X Y? I have UK
>>>     postcode/outcode/location database that I want to convert from L Lo to X Y.
>>>         
>>     Again, "X Y" doesn't seem to mean anything specific, but a number of
>>     useful tools and code samples, including stuff relating to OSGB grid refs,
>>     can be found here:
>>
>>     http://www.nearby.org.uk/downloads.html
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>>
>>       
>
>
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>
> -- 
> Will King
> 0044 (0) 77950 96645
>
> http://geodatasolutions.co.uk
>
> GPS Surveying | Location Data Capture | GIS Digital Mapping
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