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International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XXXV, Part B2. Istanbul 2004
2.2.2 PHASE II: The aim of this stage is build a very
detailed geospatial database with extensive statistical database
to allow all types and Kinds of indication marks and trend
analysis studies. The geospatial database will be in parallel
connection to the Oracle database of the Education
Management Information System (EMIS report 2003), which is
on-going project to be completed by the end of Year 2005.
The map scale of the geospatial database will be better than
1:50000 scale. More reliable small-scale vector data format
based on the parcels data from the Department of Lands and
Surveys (DLS) along with other vector formats from other
ministries are to be integrated with the current GIS-data-model
to build a detailed geospatial-database. This introduces several
problems because of the different map-scales and the projection
systems of each vector dataset. Geo-Imagery is expected to play
a major role in resolving these problems and provide a better
visual. This GIS-model is called the Extensive model.
The geospatial database with the EMIS database will be
integrated into a specifically designed EDSS to be used by all
administration levels in the MOE and Directorates for planning
purposes. The time frame of this project is three years.
The following are some ongoing projects using the partially
build geospatial data for this stage:
e Discovery and Broad-band schools: the main task was
to define the best 100 schools locations to be
connected through a broad-band network with the
main computer center of the ministry (Queen Rania
Center) for E-learning purposes. The main task is to
define best location based on several criterions and
also the best root for wiring purposes.
e Creation of or dividing current directorates to two or
three.
e Re-engineer the distribution and decision for
renovation and/or building of new schools
e Check current school location to fit into the new
geospatial database
e Show the overall schools distribution with specific
indicators with respect to the public places and parks,
streets and transportation routs to be used for decision
making and planning processes (Makino and
Watanabe 2002) and Rice et all 2001.
2.2.3 PHASE III: The projected goal of this stage is the
decentralization process of school mapping utilization and
geospatial data updating. In other words, cach Directorate and
may be cven at the school level will be able to use the EDSS, to
update its database according to the administration level and the
given privileges. Furthermore, customization GIS software is
required to be developed that will be suitable to integrated
geospatial database, EMIS database into the planned Education
Decision Support System. The time frame of this stage is two
years including testing and launching processes.
3. GEOSPATIAL DATA MODEL
Expertises have been evolving rapidly in Jordan towards
building suitable geospatial databases. In fact creating of the
required GIS data model followed previous experiences in
municipalities (Al-Hanbali and Agel 2001), Land valuation (Al-
Hanbali and Al-Qudah, 2004) and the banking sector (Al-
Hanbali 2003b). The real problems however is that there is no
ready detail digital mapping geospatial infrastructure built in
Jordan. Each public institute is, in fact, building its own
geospatial database based on available resources and geo-
imagery information. This makes the process more time
consuming and costly. Figure (1) illustrates the work flow of
the GIS data model to build the geospatial database, see for
more details. Al-Hanbali 2003a and 2003b. The following
sections discuss the built Basic Model, the Extensive Models
and the associated problems. The potential of using Geo-
Imagery to help resolving encountered problems.
Rs
GIS Data-Model |
WORK FLOW Planning Stage )
; ee >
Data: Harde M
t Creation snd Devdopment
| Aenean Teuriet Map (MO)
Topographic Misps (RJGC
{ Ipui Data: Vector Maps
Basic Moda: (1:20000)
| Govemorate, villages, towns; roads; cU UR
districts; sub-districts, drainage. etc) pi Projection to >
Extensive Modd (1:10000 -50000) a / J N
land panels, streetet Poit features 3 { JIM )
(fm DLE) end other public Metinites i \ Coordinate System Q/
| Rosds (RIGC) i E a
mm
-
Se
—
SATELLITE IMAGES
(CC Diem ZATION
Leurs
* i remet
GPS Geodatabase Creation
Measurement X
FOR Schools „| Feature and Layers Creation
Locations L resulting from this process x4 IMPLE
MENTA
uilding 24 TOIN
ATTRIBUTE DATA STAGE
Oracle database
GEOSPATIAL
DATABASE
nn
~.
rm
DECISION SUPPORT
SYSTEM AND
ANALYSIS
Figure (1): GIS Model Work Flow.
3.1 The Basic Model
The base platform map used to fuse all available data sourced is
based on using the 1:250000 vector layers provided by the
Royal Jordanian Geographic Center (RIGC). Four polygon
layers for the towns, governorates, districts and sub-districts
with only the name attribute. Two line layers for the streets,
contour and drainage with no attribute data except for the height
of the contour lines. Three point layers for the villages and
school layers with names attribute. The projection system is
based on the Jordanian Transverse Mercator (JTM) projection
Based on the sub-district layer, the directorate boundarys layer
was extracted and then based on this all other layers were
customized to be within its boundaries (Al-Hanbali 2003a).
Population for years 2000 tell 2003 and projected one for year
2005 and 20010 are added as attributes to all polygon layers to
perform demographic analysis for school capacity. Then, the
paper tourist maps of major cities were scanned and registered
to act as a background for these extracted layers. Topographic
maps are used instead for other areas in Jordan. Attribute data
are then linked to each layer to add the required information
that constitute basic info for the user. The resultant school layer
is linked with the statistical data of the fiscal year 1999/2000 to
be used for decision making and analysis. Section 4 illustrates
the utilization of these in justifying suggest new site school
locations.
