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Development of Web GIS for information of renewable energy in Aceh Province after
rehabilitation and reconstruction process
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2017 IOP Conf. Ser.: Earth Environ. Sci. 56 012016
(http://iopscience.iop.org/1755-1315/56/1/012016)
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Development of Web GIS for information of renewable energy
in Aceh Province after rehabilitation and reconstruction
process
Nizamuddin1,*, Hizir2, Ardiansyah3, D Pertiwi1 and P
Handayani1
1Department of Informatics, Faculty of Mathematics and Natural Sciences, Syiah
Kuala University, Darussalam, Banda Aceh 23111, Indonesia
2Department of Mathematics, Faculty of Mathematics and Natural Sciences, Syiah
Kuala University, Darussalam, Banda Aceh 23111, Indonesia
3Department of Electrical, Faculty of Engineering, Syiah Kuala University,
Darussalam, Banda Aceh 23111, Indonesia
*email: niz4muddin@unsyiah.ac.id
Abstract. There are a lot of renewable energy potentials that is spread in numerous locations in
Aceh Province. These potentials can be developed into energy source that can be utilized to
fulfill the need of energy in the area. It is unfortunate that the information about the potentials
is still hard to find, regardless the abundance of spatial data that were produced during the
rehabilitation and reconstruction process, including data related to the renewable energy.
Therefore, this research was conducted to develop an application of information technology,
especially Web Geographic Information System (GIS) for renewable energy potential. The
objective of this research was to fulfill the needs of relevant agencies for the Web GIS-based
information technology applications to manage information on renewable energy potential in
an interactive and integrated way. This research used components of Free Open Source System
(FOSS) to develop a Web-based geospatial information technology application. The
component consists of GeoServer as a GIS server, PostgreSQL as a geographic databases
management system, QGIS as Desktop GIS for spatial data preparation and GeoExt as the
framework in developing user interfaces for the Web GIS. The result of combining those
components was a Web GIS that displayed areas with its renewable energy potential which
was organized for each area along with legends for the map information. The Web GIS is
equipped with search feature and tooltips function to select any areas and bring up detailed
information of renewable energy potential of the area.
1. Introduction
Aceh is one of the provinces in Indonesia that is rich in oil, gas, and also other minerals. Oil and
natural gas, along with other minerals give the largest contribution to Aceh’s local revenue. However,
the management and utilization of mineral resources and renewable energy in Aceh is facing problems
and challenges that increase every year. Exploitation of natural resources that ignore spatial aspects in
a continuous manner will cause environmental carrying capacity to be exceeded. This is because the
geographical information on mineral and renewable energy potential itself is not integrated with other
AIWEST-DR 2016 IOP Publishing
IOP Conf. Series: Earth and Environmental Science 56 (2017) 012016 doi:10.1088/1755-1315/56/1/012016
International Conference on Recent Trends in Physics 2016 (ICRTP2016) IOP Publishing
Journal of Physics: Conference Series 755 (2016) 011001 doi:10.1088/1742-6596/755/1/011001
Content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution
of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.
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geographical information such as utilization of land, including forest protected areas, data
infrastructure, and settlements.
This article discusses a solution of the problem of managing information on mineral and renewable
energy potential that has been described above. The development of information technology
applications, interactive Web-based GIS is one of the solutions for the integration of information on
mineral and renewable energy potential in Aceh.
2. Literature
2.1. Geographic Information System (GIS)
Web-based Geographic Information System or WebGIS is an application that can be accessed via the
Internet to manipulate, analyze, store, and use GIS features without having to use GIS software.
2.2. Geoserver
GeoServer is open source web server software. GeoServer provides features for reforming, abolishing,
inputting, and publishing geospatial data using a Web Feature Service (WFS), which can be done via
online and offline [1].
2.3. GeoExt
GeoExt is an Open Source JavaScript Framework and used to build GIS-desktop application that
provides a web service to make the basics of web based mapping. GeoEXT combines GIS functions of
OpenLayers and user interface of Ext JS Library. GeoExt also provides services for accessing
information on the services of Open Geospatial Consortium (OCG), the object OpenLayers and other
remote sensing data [2].
2.4. PostgreSQL
PostgreSQL is one of database (Object-Relational Database Management System) that offers great
flexibility, stability and high performance. PosgreSQL database can be used on multiple platforms and
supported by many programming languages such as Java, Perl and PHP. PostgreSQL provides
flexibility for users to add data types, functions, operators, aggregates function, methods of indexing
and procedural languages. One capability of PostgreSQL is to store geospatial objects as data in a
database. To accommodate spatial data, PostgreSQL required one spatial extension, which is named
PostGIS. This extension also allows users to perform analysis and processing of geospatial data [3].
3. Research Methods
Web GIS development process flow to integrate the information of mineral potential and renewable
energy in Aceh can be seen in Figure 1. The method used in this study was established based on the
study of the literature on the potential of mining and renewable energy in the area. The data were
obtained by collecting data directly from the relevant departments or agencies in the city or district and
also from the annual reports of the relevant subject in the province.
Identification, verification and standardization were the next step that must be done during the data
processing stage. This stage was conducted to determine the aspects of data and information were
correct and to ensure all the data were going to be published were in conformity with the standards of
geospatial data. The next stage was to build a geodatabase using PosgtreSQL with the PostGIS
extension. All of the data that have been verified was inserted into the database.
Publishing online geospatial data and information services were the most important stage in the
development of a Web-based geospatial information technology application. The Web-based GIS
utilized this service, which allow geospatial data and information to be accessed from anywhere using
a web browser or a desktop GIS. This study used GeoServer software to publish geospatial data into
an online service.
AIWEST-DR 2016 IOP Publishing
IOP Conf. Series: Earth and Environmental Science 56 (2017) 012016 doi:10.1088/1755-1315/56/1/012016
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Figure 1. Process Flow Diagram of Web GIS Development
Architectural design for Web GIS to integrate information of renewable energy was implemented
using Open Source applications of OpenGeoSuite. WebGIS application system architecture was
supported by the GeoServer application, PostgreSQL database, OpenLayers and Framework GeoEXT.
The complete list of software used for developing the Web GIS is shown in Table 1.
Table 1. Software used for developing the Web GIS
Application
Purpose
PostgreSQL/PostGIS
Database server with spatial extension
GeoServer
GIS Server for publishing OCG web services
(WMS, WFS)
JavaScript
Programming Language
Openlayers/GeoExt
Library for WebGIS GUI
Apache
Server for Web GIS
4. Result and Discuss
After all of the research stages were carried out, the Web GIS for mineral and renewable energy
potential of Aceh Province was realized. The GUI of the Web GIS is shown in Figure 2. The main
page of the Web GIS shows the whole map of Aceh which is equipped with a list of map layers of
mineral and renewable energy potential in Aceh. The important features included in the Web GIS are
as the followings:
• Legend, which explains the meaning of symbols used on maps displayed in the Web GIS.
Legend will appear every time a spatial data layer on the left panel is enabled via check boxes.
AIWEST-DR 2016 IOP Publishing
IOP Conf. Series: Earth and Environmental Science 56 (2017) 012016 doi:10.1088/1755-1315/56/1/012016
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• Map layers, which is a menu list of maps related to mineral and renewable energy sources that
appear on the left side. The list is organized as tree layout of folders. The folders are added in
order of the registered layer name so they will appear organized. They are labeled with districts
or cities in the province. Guests can access the information about the locations of renewable
energy in each district or cities. Renewable energy information includes geothermal energy and
hydropower.
• Tools Map Navigation, which is a feature used or navigating the map, such as zoom-in and
zoom-out to change the scale of the map.
• Popup Information, which displays that additional detail information on a feature in the map.
The information is shown in the form of material name, area code and minerals information.
Popup will appear when user clicks on one area of the map. This process of showing extra details
for each feature on the map utilizes WMSGetFeatureInfo from the OpenLayers library.
• Search Menu, which serves as a search menu that can be used by users to search information
based on the attributes of the map layer. Users can search for mineral deposits that is scattered in
several districts or cities. To perform a search, user can choose the name of mineral to be
searched, and then press the search button on the right side. Results of the search will be shown
as symbolized points in the current map layer.
Figure 2. Main Display of the Web GIS
5. Conclusion
The study has developed a WebGIS application that displays spatial and non-spatial information
regarding mineral and renewable energy potential in Aceh which organized by the district. The
application can facilitate user in finding information on renewable energy potential, such as potential
of geothermal and hydroelectric power in the province.
References
[1] Li G, Zhou K, Wang J, Sun L, Wang Q, and Qin Y 2010 Implementation of publication system
of geological data using Open Source GIS Information Science and Engineering (ICISE) 2010
2nd International Conference.
[2] About GeoExt 2016 http://geoext.github.io/geoext2/ [Online]
[3] Priyanto E, Muludi K and Irawati A R 2013 Perancangan Sistem Informasi Geografis (SIG)
Berbasis Web untuk Penyediaan Informasi Fasilitas dan Personalia di Universitas Lampung
Prosiding SEMIRATA 2013.
AIWEST-DR 2016 IOP Publishing
IOP Conf. Series: Earth and Environmental Science 56 (2017) 012016 doi:10.1088/1755-1315/56/1/012016
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