7.7.1 UPN - LUPMISManual

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7. GIS for land use planning > 7.7 Follow-up plans from Local Plan

7.7 Follow-Up Plans from Local Plan

Level of expertise required for this Chapter: Planner; specifically for LUPMIS @ TCPD

7.7.1 UPN

See separate Chapter 8.3.1a for the UPN concept and Chapter 8.3.1 for the automatic generation of UPN in LUPMIS.

The Unique Parcel Numbering system (UPN) serves as the main identifier for the Permit Database (see  Chapter 9.1). They are unique all over Ghana and follow a rigid structure to serve as a code for each parcel in Ghana to be processed by all Land Sector agencies of the Government of Ghana.

Ssyntax of UPN is xxx-yyyy-nnnn, where:

  • xxx is the 3-digit Easting of the 1km-UTM-grid cell, where the parcel is situated (reference point is the bottom left corner of the km-grid cell),

  • yyyy is the 4-digit Northing of the grid cell,

  • nnnn is the given number of the parcel within this cell, given by the District Planning Committee(s) of the District Assembly/ies, often sequentially numbered.

Further documentation can be found in the report ‘Unique Parcel Numbering (UPN) System for Ghana’ (UPN Technical Committeee, MLFM, June 2008). Benefits, approach and syntax are explained in this report, also the reference to serve further functionalities: ‘The UPN system will serve as a database for any additional numbering or coding system, which will be established in future, such as postal addresses, geo-coding databases’.

A) Automatic Process:

It is strongly recommended, to use the most efficient and reliable way to assign UPN to all parcels of a Local Plan automatically with the LUPMIS 'UPN assignment' Drawing Tool, explained in Chapter 8.2.8.
This will assign the UPN to the ID of the GIS DRA file.

B) Manual Process:

1. Be aware, which and how many UTM-grid cells are in your area. You can use the Main menu > Navigate > Screen grid > 1 km option to see or Main menu > Utilities > Vector utilities > Generate > Square cells to create a grid layer (See also Chapter 3.7 for the procedure to create a layer of a geographic grid).

2. Only if you do not have valuable information in your display label in your GIS file: You can label each cell with its UTM coordinates:
In live layer mode: Right-mouse > Live layer actions > IDs and labels > Generate Display labels based on coordinate > Kilometre resolution > Separator: - > OK

3. Again, only if you do not have valuable information in your display label in your GIS file: Select all parcels of one cell and assign first part of the UPN to all parcels, which are within the same grid:
With the parcel layer in live layer mode: Main menu > Edit > Show selection manager > Select-tool (at toolbar left) > Select all parcels of one cell > Selection Manager window: Actions > IDs and labels > Amend labels and IDs > Amend labels and IDs window: Set all display labels to … > and enter the code of the cell (here 781-0612), preferably with a trailing ‘-0000’ > OK

4. The second part of assigning numbers to each parcel has to be done manually. Consecutive (sequential) numbers have to be assigned, starting from 0001, then 0002, etc.
Still in live layer mode: With the Edit-tool (at toolbar left) click on the parcel > Polygon window: Display > Adjust the last digits of the display label > OK

     or (later)      

5. Don’t forget to save.

- - - - -

It is possible to create a link to an external document (Word file, graphics file or similar), which pops up when clicking on a parcel (for example, the specific application form, a permit which has been issued etc). The 'link' is to be through the UPN.


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