Transcript GIS enabled application of dynamic maps, graphs and tables of census results of Morocco 2004 United Nations Regional Seminar on Promotion and.

GIS enabled application of dynamic maps, graphs
and tables of census results of Morocco 2004
United Nations Regional Seminar on Promotion and Utilization
of Census Results and on the revision of the Principles and
Recommendations for Population and Housing Census
Pretoria, South Africa, 24-26 March 2014
Oussama Marseli, [email protected]
Census of Population and Housing Implementation and Processing Manager
06/11/2015
www.hcp.ma
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Advantages
GIS-enabled desktop applications offer some
advantages over web applications. Aside from
being independent to internet connection, desktop
applications come with GIS maps.
Graphical users interface offers to “simple” users the
possibility to query maps, tables, graphs for all
geographic areas.
06/11/2015
www.hcp.ma
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Graphical user interface
Graphical user interface is
the most important layer
in a dissemination
application. The interface
must be simple to use, yet
have rich features. This
graphical user interface
requires no more than two
clicks to get thematic
maps, detail census
profiles, and charts. The
first click is to choose the
tool (i.e., profile, chart or
map). The second click on
the desired location is to
get census information on
the desired format.
06/11/2015
www.hcp.ma
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Thematic maps
This figure shows two
drop-down menus, which
users can use to select
themes and indicators. A
thematic map is obtained
instantly for the chosen
indicator. The map shows
any user-defined
geographical level by
simply activating or
deactivating layers of
geographical levels (i.e.,
subdivision 1 (region),
subdivision 2 (province),
subdivision 3
(commune)).
06/11/2015
www.hcp.ma
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Query
Users can also query this
map against any
indicator that is already
selected, by simply
choosing an operator
sign (e.g., <, >, =) and
keying in criteria. This
figure shows an example
of a query that highlights
communes with poverty
rates higher than 60
percent.
06/11/2015
www.hcp.ma
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Profile
If users are interested
in a specific area and
want to get detailed
information about it,
they can simply click
on the profile tool and
then click on the map
to generate census
profile .
06/11/2015
www.hcp.ma
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Graphs
Maps are useful tools in
showing geo-spatial trends,
but they often have the
limitation of displaying only
one indicator at once. In
order to analyze the
relationship between
variables, a display of
crossed variables is
achieved through a
graphical chart . In this case,
literary rate by age groups
are shown. Again, the query
of this graph requires only
one click on the graph tool
and a second click on the
area of interest.
06/11/2015
www.hcp.ma
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Metadata
This figure shows an
example of integration of
metadata with the underlying
data. Here, we only need a
click on “button D” (for
definition) to obtain a pop-up
of the definition of the
underlying indicator. The
metadata need to be
completely integrated so
that users will always be
able to quickly associate the
data they are looking at with
definitions of those data.
06/11/2015
www.hcp.ma
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