3. ORGANISATION OF THE SYSTEM
As stated earlier the system has two major compo-
nents viz NRDIS and LIRS for maintaining informa-
tion regarding dara products and literature respec-
tively. Each component has again been subdivided
into modules. Schema of the system is reffered to in
fig. l
NRDIS has four modules to update following data-
bases.
a) Aerial Photo database
b) Imagery database
c) Topsheet database
d) Digital products database
LIRS has five modules to update following databases
a) Books database
b) Reports database
c) Periodicals database
d) Proceedings database
e) Reprint of Papers database
Each module is provideed with four functions to
update and retrive data stored in the databases. The
functions are
a) Append - Add new records to the database
b) Change - Edit/Modify data stored in the
database
c) Delete - Delete records from the database
d) Browse - View / Print data from the
database.
Specimens of the Screens used for these modules are
attached alongwith in following pages.
3.1 Natural Resources Data Information System
As stated above this component updates four data-
bases. The structures of these databases are de-
scribed in Table l, Proper care has been taken to
lable the fields so that the field names are self
explainetory.
3.2 Literature Information Retrieval System (LIRS)
Literature has been classified in to five classes
and data pertaing to each class,as described earlier
is stored in to seperate databases. Structures of
these databases are described in Table 2.
4. SCREENS
Screen 0.0 This is the opening screen of the system.
Screen 1.0 This screen lets user select the Component.
355
Screen 20 This screen Displays Main Menu of the
NRDIS component.
Screen 2.1 This screen displays menu of functions
for updating a selected database and is same for all
databases.
Screen 2.2 This screen is used to Append/Edit/Delete
records in Aerial Photo database.
screen 2.3 This screen is used to generate a
query on data present in Aerial Photo database.
Screen 2.4 This screen is used to Append/Edit/Delete
records in Image database.
screen 25 This screen is used to
query on data present in Image database.
generate a
Screen 2.6 This screen is used to Append/Edit/Delete
records in Toposheet database.
screen 2.7 This screen is used to generate a
query on data present in Toposheet database.
Screen 2.8 This screen is used to Append/Edit/Delete
records in Digital Products database.
screen 29 This screen is used to generate a
query on data present in Digital products database.
Screen 3.0 This screen Displays Main Menu of the
LIRS component.
Screen 3.1 This screen displays menu of functions
for updating a selected database and is same for all
databases.
Screen 3.2 This screen is used to Append/Edit/Delete
records in Book database.
screen 3,3 This screen is used to generate a
query on data present in Book Photo database.
Screen 3.4 This screen is used to Append/Edit/Delete
records in Report database.
screen 35 This screen is used to generate a
query on data present in Report database.
Screen 3.6 This screen is used to Append/Edit/Delete
records in Journals database.
screen 3.7 This screen is used to generate a
query on data present in Journals database.
Screen 3.8 This screen is used to Append/Edit/Delete
records in Proceedings database.
screen 3.9 This screen is used to generate a
query on data present in Proceedings database.
