Geographical Level Administration

Geographical Level Administration
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It allows geographical level management through the entering, edition and elimination of records. DesInventar is able to handle three geographical levels, each of which has to have a name and a numerical code.

Visualize Levels

The visualization of levels shows the names and lenghts given to level 1, 2 and 3. For example for the Panama region, level 0 takes the name PROVINCE and the length of the code is 2. For level 1 the name is DISTRICT with a code length of 4 and level 2 is TOWN with a code length equal to 6. The length of the more internal codes contains that of the superior level.

Example:

For a possible region such as SOUTH CONE:

Level 0 (name: COUNTRY length:2)

01 ARGENTINA
02 CHILE
03 URUGUAY
04 PARAGUAY

Level 1 (name: STATE length:4)

0301 BUENOS AIRES
0302 MENDOZA

Level 2 (name: PROVINCE length:7)

0301001 BUENOS AIRES
0301002 ...

This configuration indicates that :

The first level corresponds to countries, and its length is 2, therefore only values between 00 and 99 are possible. As a result, the maximum number of countries to be contained in this area is 100.
The second level corresponds to states, the code length is 4, but 2 are reserved for the first level, meaning that the posible values for state range from 00 to 99, these go after the superior level code. As a result, the maximum number of states per country is 100.
The third level corresponds to provinces, the code length is 7, but 2 are reserved for the code of the first level and 2 for the code of second level, therefore only values between 000 and 999 are possible and are written after the superior level codes. As a result the maximum number of provinces per state is 1000.

Management of Level 0

First geographical level. The provided operations allow to add, edit, and remove an element on this level.

Add: It allows to enter a new level 0 record, indicating code and name. The code length shall not be greater than the assigned length for this level.
Remove: It eliminates the record from the database. This operation definitely errases the record from the system.
Modify: An element from the list must be selected. You are allowed to change only the name of the selected record.

Management of Level 1

Second geographical level. To enlist the elements contained in this level you must choose an element from level 0; the elements will be displayed only if this level has been defined in the database being used. The operations provided allow to add, edit and eliminate elements.

Add: It allows to enter a new level 1 record, indicating code and name. The default code places the level 0 code that contains it (level 1 code) always before the level 1 code. The code length shall not be greater than the assigned length for this level and this limit includes the length of the previous level.
Remove: It eliminates the record from the database. This operation definitely errases the record from the system.
Modify: An element from the list must be selected. You are allowed to change only the name of the selected record.

Management of Level 2

Third geographical level. To enlist the elements contained in this level you must select an element from level 1; the elements will be displayed only if the database under use has defined this level.

Add: It allows to enter a new level 1 record, indicating code and name. The code length shall not be greater than the assigned length for this level.
Remove: It eliminates the record from the database. This operation definitely errases the record from the system.
Modify: An element from the list must be selected. You are allowed to change only the name of the selected record.

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