The Westminster Constituency Map Finder converts input locations to the corresponding Westminster constituencies and displays these on a map. The input locations can be represented in a variety of formats and a note can be added to each location. The data can be saved for import into other software. The map includes overlay of the boundary of the Westminster constituencies.
Click the die icon to generate random locations. Click the revolving arrows icon to convert locations. Click Table tab to see results in a table. Click Map tab to see results plotted on a map.
| Icon | Name | Function |
|---|---|---|
 |
Load | Select input file(s) of locations |
|
Process | Convert input locations to output regions |
|
Save | Save converted location CSV data |
|
Clear | Clear input and output data |
|
Geolocation | Use current location |
|
Random | Generate random input locations |
|
Help | Display this help |
| Name | Function |
|---|---|
| Locations | Entry of input locations and display of converted locations |
| Table | Display of data in a table |
| Map | Display of data on a map |
The type of each input location is identified automatically from its format.
| Description | Example |
|---|---|
| Ordnance Survey National Grid reference | TQ2924681000 |
| Ordnance Survey eastings and northings | 529246 181000 |
| WGS84 latitude and longitude in decimal degrees | 51.51315 -0.13885 |
Universal Transverse Mercator coordinates | 30 N 698525 5710773 |
Geohash identifier | gcpvhcdvue |
UK postcode | W1F 7DA |
UK road or place name | Carnaby Street, London |
The accuracy of the location conversions matches the full precision of the source dataset when the input is an OS grid reference or easting and northing. The processing of other types of input involves a conversion to this coordinate system and can introduce an uncertainty of a few metres in addition to the precision of the input itself. The location of markers and outline of region boundaries on the map is subject to similar unpredictabilty due to conversion between coordinate systems.
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