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1. africa_deserts W africa rivers W belgian colonies W uk colonies W french colonies v africa country O Figure 10 3 Remove layer S African Subcontinentals belgian colonies W uk colonies Northern Africa Africa french colonies Tripoli Y W africa1 1955 de geaanowe wes RE africapoi Zoom to Active Layer W africa deserts africa rivers W belgian colonies W uk colonies french colonies v africa1 E country E Figure 10 5 ZoomToActiveLayer 34 demde EA HOE 7 EE A ACER CA africapoi o africa_deserts x africa rivers Name of Country Algeria W belgian colonies Capital Alger W uk colonies Population 36 423 000 Area km2 2 381 741 ench_colonies Colony Of France africa1 Government Semi Presidential Republic Independence Date July 10 1962 t more information about this cou nt On Wiki Figure 10 6 Hotlink tool applied on africal layer yw Algeria Wikipedia the free WEZ Lol X CQ enwikipedia org wiki Algeria OA amp Login create account Article Discussion Read Edit View history Search Q WIKIPEDIA You re invited to Wikipedia Loves Libraries a program of events at libraries and archives across North America around October 2011 Hide The Free Encyclopedia Algeria Main page From Wikiped2. if src print button com esri mo2 ui bean Print mapPrint new com esri mo2 ui bean Print mapPrint setMap map mapPrint doPrint j ADD LAYER This tool allows user to add layers to the table of contents TOC The setMap function must be called before adding Figure 8 2 shows how the layer can be added to the map For adding a layer to the map click on the plus symbol on the tool bar it will open a browser window then we can browse to the specific location to add the layer The following code 5 to integrate the toolbar with the GIS tool static com esri mo2 ui bean Map map new com esri mo2 ui bean Mapy AddLyrDialog aldlg new AddLyrDialog aldlg setMap map aldlg setVisible true getContentPane add addlg BorderLayout NORTH 25 Printer Mame Send To OneNote 2007 Status Ready Type Send To Microsoft OneNote Driver Where Send To Microsoft OneNote Port Comment E Print to file Print range Copies All Number of capies Pages from 1 Selection ArcIMS Figure 8 2 Add layer dialog window 26 DELETE LAYER This toolbar provides functionality to allow the user to delete layers from the table of contents The same functionality is also available through menu The following 1s the code snippet com esri mo2 map dpy Layer dpylayer legend getLayer map getLayerset removeLayer dpylayer ARROW If some tool has selected before and the user wants to go to no tool se
3. Library Select a library to add to the classpath User libraries El ESRI lo we Figure 6 8 Make sure the new library checkbox is selected 20 Properties for WSIA E type filter text Java Build Path Resource Builders Eh Libraries Order and Export Java Build Path JARs and class folders on the build path Java Code c e Access rules Mo rules defined Add JARs ide Sampler e Mative library location Nene adder wj esri mo20 jar CAESRIMOJZ0Nib Add External JARs Javadoc Location Ke Source attachment Mone Javadoc location None a Native library location None Add Library OR Access rules No restrictions _ esri_mo20cad jar CAESRAUMOJ20Mib Add Class Folder esri_mo240img jar CAESRAMOJ20 ib esri_mo Dres jar CAESRAIMOJ204 lib esri moZ rpf jar CXESRAMOJ20ATIb mm esri moz vpf jar C ESRIMO 20 lib esri xmlkit jar Cc ESRI MOQJ20 lib jal_codec jar CXESRAMOJ20ATIb jal_core jar CAESAAIMOJ20 lib jcert jar CXESRAMOJ20Alib jnet jar CAESRAMOJ20 lib Jpe30 sdk jar EMESAAMOJ20 lib dwd Isde 0 sdk lar CAESRAMOJZONIib li Project References Add Variable Refactoring Histary Run Debug Settings VEN E E Add External Class Folder E El B E Remove Jm ehe Il Migrate JAR File E EE e e Javadoc URL c g http www sample url erg doc or file c myworkspacc mypro
4. Oe GE ie nee ie ee 33 Figure T0 S3 Zo0omloAcUvye bayeta E 33 Figure 10 6 Hotlink tool applied on africal layer 34 Figure 10 7 Wikipedia page of the country selected by Hotlink tool 34 Figure 10 8 Hotlink tool applied on africapol layer 35 Figure 10 9 Map tips feature applied on NAME field africapoi layer 36 Xl ACKNOWLEDGEMENTS I would like to thank my advisor Professor Carl Eckberg for all the help support and continuous guidance received for this project I am grateful to express my sincere thanks to professor Joseph Lewis and Professor Steve Kirschvink for being on my thesis committee and for their help and co operation CHAPTER 1 INTRODUCTION Technology is entering every area and is providing advantages for representing things in an easily understandable way and increasing access to information Teaching is a good example of this using new technology can provide a better way for students to learn dry subjects and when web hosted or iPhone accessible permit learning from any location The teaching culture has been changing over the past decade and use of electronic media is increasing Electronic teaching has been one of the most important mediums adapted since the increase in the use of computers and the internet Students can be more receptive when taught via a visual and entertaining medium than through the more usual method of book readin
5. Used by this Application Java Components import javax swing import com esri mo2 ui bean import com esri mo2 ui tb import com esri mo2 map dpy Java Class JMenuBar JMenultem AbstractTableModel TableColumn JButtons JPanel JSplitPane JToolBar Imagelcon TocAdapter TocEvent Map Layer Toc Legend Tool ProjectToolBar ZoomPanToolBar SelectionToolBar BaseFeatureLayer Layerset FeatureLayer 16 CHAPTER 6 ECLIPSE AND MAPOBJECTS CONFIGURATION Eclipse IDE Integrated Development Environment is a multi language software development environment comprising of an integrated development environment and plug in system Eclipse IDE is used for the editing compiling and development of the GIS tool as it provides an ability to integrate with the MapObjects Java Edition beans allowing a drag and drop development The steps that follow explain how Eclipse IDE and MapObjects are configured 1 Install Eclipse IDE from Eclipse website 2 Install MapObjects Java Edition installation CD from Dr Carl Eckberg 5 3 Install Java SE development kit 2 from Java site 4 Launch Eclipse IDE from Start gt Programs gt Eclipse or double clicking the eclipse icon from the installation directory Figure 6 1 the process for the Step 4 5 Open workbench by double clicking the yellow highlighted icon Figure 6 2 shows the process for this step 6 Create a new Java Project in workspace Go to File gt New gt Java Project to
6. cct doc Javadoc location pat fie C ESPI MOJ20 Documentation MapObjects Webl lelp javacoc Drowse Javadoc in archive External tile Workspace file Archive path Browse Path within archie Browse Validate ok j eee all Figure 6 10 Attaching JavaDoc to the JAR files for references in the JAVA editor 22 CHAPTER 7 MAPOBJECTS TOOLBAR Many default beans are provided by MapObjects Java Edition which the user can add to the application and can be dragged and dropped onto the Eclipse workspace to provide basic functionality Several toolbars are provided by MapObjects which can provide commonly used functions such as open project save project etc Refer to the topics in Figure 7 1 to understand using tools of the map view d t kf ejajamee la Project Tool Bar Zoom Pan Tool Bar Selection Tool Bar Figure 7 1 MapObjects toolbar 7 1 PROJECT TOOLBAR The Project Tool Bar allows user to add a layer print a map image to file etc The actions performed by the various options in the project tool bar are as follows 3 e Print Map Use this option to print the map for the selected layer s in the TOC e Add Layer Use this option to add layer in the TOC which shows different map e Arrow This is use to resume the cursor from previous selection e Hotlink Customized option used for representing detailed information of the highlighted selection of the l
7. level architecture diagram The architecture is broadly divided into three different levels e User Interface It is the end user display which is used to interact with maps and user functionality which has been developed as per requirements It will be launched with the application start up e MapObjects and Java Classes The functionality attached with toolbars buttons menus and other items on the main interface 1s created and defined 1n different JAVA classes 15 e CSV SHP Shape files and CSV files contains geographical attributes which need to be displayed on UI by MOJO and JAVA classes MOJO uses debase format dbf for non location attributes 5 2 CLASSES AND CLASS DIAGRAM The class diagram displays the general organization of the system It helps to understand how different classes are interacting with each other A Class Diagram in the Unified Modeling Language UML is a type of static structure diagram that describes the structure of a system by showing the system s classes their attributes and the relationships between the classes 8 It also helps to understand the interdependency of classes used for development The classes as shown in Table 5 1 have been used to develop the functionality provided by this tool In this project a couple of packages have been included to implement functionality provided by inbuilt classes The MOJO classes in Table 5 1 are the JAR files Table 5 1 Imported Classes
8. multimedia teaching tool about the Africa continent The tool provides interactive graphical information of colonial history independence history points of interests demographics and physiography of Africa Students can switch between various European countries Belgian French or UK to see which countries were colonized when and by whom and when students use the hotlink tool on a particular country a pop up window describes the country name capital city independence date population area and government type If the user wants to know more about a particular country a Wikipedia link 1s also provided Hotlink tool works the same way for the points of interest layer Students can also view deserts and rivers of Africa A dynamic user interface created using JAVA and the MOJO software package has been included in this tool for effective learning Typical user interface features are provided in this tool such as ZOOM IN zoom out a legend editor location identifier print command map tips measure and query builder GIS technologies like MapObjects JAVA edition and j2sdk were used along with the Eclipse IDE to develop this tool The tool can run standalone and the user just needs to have JRE install on his system vi TABLE OF CONTENTS PAGE ADS ER EE c EN V LISTOETADBRES ie uerunt Hee din mE M M um decai dde neas viii LIST OF TIGURES raciecon dise 1X ACKNOWLEEDGEMEN DS idit i Se Ee Ei ERU introns oi n ee Ge ee Ge ee n Ge iras dali Ee
9. open the project wizard Name the Project and click Finish Figure 6 3 shows the process for this step 7 Create a new library by right clicking the project select Build Path gt Add Libraries It will open a window as shown in Figure 6 4 8 Click Next and select User libraries button This will open a preferences window Click new and enter a name for the library Figure 6 5 shows the window which will open while performing this step 9 Typea new user library name and click ok The step execution 1s shown in Figure 6 6 10 Add jar files to the newly created library by clicking Add Jars button in the preferences window 11 Navigate to the folder where MapObjects is installed 12 Select all the JAR files and click ok Figure 6 7 shows the list of JAR files to select 13 Check if the newly created library checkbox 1s selected Figure 6 8 shows the step execution 14 Click Finish L DELL DESKTOP edi Organize Open BE Desktop D ownloads di Dropbox 5 Recent Places Libraries D ocuments al Music e Pictures E Videos ed Homegroup Share with Mame de configuration de dropins de features de p2 de plugins de readme 7 eclipseproduct Ey artifacts eclipse HE eclipse ln eclipsec buy epl v10 7 notice pse java galileo win32 eclipse Date modified 5 15 2010 7 05 PM 6 19 2009 2 45 AM 1 29 2010 3 25 PM 1 23 2010 1 19 PM 1 29 2010 3 24 PM 5 15 2010 7 06 PM 12 10 2008 4 05
10. several computers on a network working together Java is designed to make distributed computing easy with the networking capability that 1s inherently integrated into it Java is interpreted An interpreter is needed in order to run Java programs The programs are compiled into Java Virtual Machine code called byte code Thus Java can work without writing new compilers to work with new machines Java is secure Java is one of the first programming languages to consider security as part of its design The Java language compiler interpreter and runtime environment were each developed with security in mind Java is robust Robust means extensible without great risk to its reliability Java puts a lot of emphasis on mandatory early checking for possible errors as Java compilers force the detection of many problems that would first show up during execution time in other languages Java is multithreaded Multithreaded is the capability for a program to perform several tasks simultaneously within a program In Java multithreaded programming has been smoothly integrated into it while in other languages operating system specific procedures have to be called in order to enable multithreading Multithreading is a necessity in visual and network programming Java is easily deployed Java applications can be easily deployed by using executable java archives 1 e jar files 2 2 MAPOBJECTS JAVA EDITION MapObjects Java Edition can be used to build cu
11. symbol tab is used and graduated symbol is selected Figure 9 3 illustrates the use of graduated symbols Applying the graduated symbols feature on a given field divides the data into intervals and gives it shades from light to dark 30 E Aman oi File K TCE 87 h Wi country GA_MEMB_YR Less than 399 E 299 798 B 758 1196 B 1106 1595 a 1505 1994 africapoi ih africa_deserts l africa rivers M W be Co W uk colonies gian colonies LJ W french colonies africa LJ Figure 9 3 GIS tool with graduated symbols on the layer using legend editor 31 CHAPTER 10 SCREENSHOTS This chapter contains the screenshots of this tool Some of the screenshots have already been covered in previous chapters The remaining screenshots are presented here in Figures 10 1 to 10 9 B African Subcontinent File K a uM africapoi amp africa deserts africa rivers W belgian colonies colonies french colonies Figure 10 1 GIS multimedia teaching tool about Africa start screen n H NE add layer print X remove layer ES Legend Editor a Es Y africa deserts Shapefile image files Arcims ArcSDE W africa rivers W belgian colonies W uk colonies Shapefile path name swivekDesktopiGlSthesistluploadiAfricaToolishapefilestafrica_deserts shp nch_colonies ca1 a
12. 4 Prototype model a 11 Figure 4 2 GIS multimedia teaching tool about Africa main screen ee 13 Fisure 3 1 ele vel architecture das AIM si RES adus or RE DIPL bae exeun EG Urs 14 Figure 6 1 Starting Eclipse by double clicking on Eclipse icon esse sees sesse sesse ee ee ee ee ee 17 Figure 6 2 Opening the Eclipse workbench sesde EN Sesde ed ES ee e eee SE eerie ee 17 Figure 0 5 Creatine a new Java Projet od 18 Fisure 64 Selecting User UTA iii 18 LEisure 0 5 reating a New Dra ida ld 19 PExseure 6 6 Addis 11 Bhar NIMs eiee a dions 19 Ta90re6 75eclecuno TAR tdm diente edite m DE Ed EE ee ER en 20 Figure 6 8 Make sure the new library checkbox is selected VV 20 Fisure 6 9 Specify the JavaDoe oeste RE RR Ee ee Ee ee EE 21 Figure 6 10 Attaching JavaDoc to the JAR files for references in the JAVA editor 21 Peire le MapObjects tool noo a e 22 Fiouie PU PE Pot dal NER ERN 25 Fieute 6 2 Add layer dialog VID WO 25 Figure 9 1 GIS ool wath Hoilink Wind Wir ene en Gb obe ure oe eise eut edat 28 Pisur 9 2 Layer properties WINGO Wisi creer atoms da ER Ee aces tuii ec fa is 20 Figure 9 3 GIS tool with graduated symbols on the layer using legend editor 30 Figure 10 1 GIS multimedia teaching tool about Africa start screen ssssssss 3 Figure 10 2 Add JAMES iuit oer ES Ee De ds re gera qud eeu Ee de tutes ere ee 32 Eisui TUS Remove e Ee dund 32 Ereure 105 dent viool iii RE GE Ge DE De ER
13. GIS MULTIMEDIA TEACHING TOOL ABOUT AFRICA A Thesis Presented to the Faculty of San Diego State University In Partial Fulfillment of the Requirements for the Degree Master of Science in Computer Science by Vivek S Shah Spring 2012 SAN DIEGO STATE UNIVERSITY The Undersigned Faculty Committee Approves the Thesis of Vivek S Shah GIS Multimedia Teaching Tool about Africa Carl Eckberg Chai Department of Computer Science Joseph Lewis Department of Computer Science f f a LA y Ie JM un Steve Kirschvink Department of Mathematics Nov 6 20 Approval Date Copyright O 2012 by Vivek S Shah All Rights Reserved iii DEDICATION I dedicate this thesis to my family for their encouragement and their unconditional love which they bestowed upon me every time I needed it and their belief that one day I could make an achievement and to all my dear friends for their wonderful support during this entire tenure and for the times to come ABSTRACT OF THE THESIS GIS Multimedia Teaching Tool about Africa by Vivek S Shah Master of Science in Computer Science San Diego State University 2012 The motivation of this software is to develop an interactive GIS application which should enhance student activity and interest in learning world history Computer aided teaching enables teachers to engage the students better by increasing desire and motivation to learn This thesis focuses on creating a GIS
14. PM 1 29 2010 3 25 PM 5 19 2009 6 10 PM 1 29 2010 3 25 PM 5 19 2009 6 10 PM 2 25 2005 6 36 PM 3 17 2005 5 12 PM Type File folder File folder File folder File folder File folder File folder ECLIPSEPRODUCT AML Document Application Configuration sett Application Chrome HTML Do Chrome HTML Do E Computer a os C tu Network eclipse Application Figure 6 1 Starting Eclipse by double clicking on Eclipse icon Date modified 5 19 2009 6 10 PM Size 56 0 KB Date created 5 15 2010 7 05 PM lema Erben BEE pre SER File Et Mevigate Search Project uc Run Window Help Welcome t Eclipse Figure 6 2 Opening the Eclipse workbench Create a Java Project f Create a Java project in the workspace or in an external location Project name Sample Contents Create new project in workspace Create project from existing source Directory C Users Namrata workspace Sample Browse JRE Un cion estore RE Use a project specific JRE jrel 6 0 v Use default JRE currently jre1 6 0 Configure JREs Project layout Use project folder as root for sources and class files Create separate folders for sources and class files Configure default Working sets 7 Add project to working sets Working sets Select 8 Add Library Sa Add Library Select the library type to add ArcGIS Engine Library ArcGl5 Engine Sa
15. ayer This 1s a custom toolbar not provided by MOJO 7 2 LOOMPANTOOLBAR The ZoomPanToolbar allows an end user to change the map visual look in a variety of ways By these tools more detailed and zoomed views of desired location can be viewed The actions performed by the various options in the zoom pan tool bar are as follows e Go Previous Zooms to previous extent stored in extent history e Go Next Zooms to next extent stored in extent history 23 ZoomToSelected Zooms the map to all selected features in selected layer ZoomToFullExtent Zooms to extent all layers within map Zoom In Helps in zooming in This can be done by selecting the tool and then dragging to sketch a rectangle on the area you want to Zoom In Zoom Out Helps in zooming out This can be done by selecting the tool and then dragging to sketch a rectangle on the area you want to zoom out Pan The Pan option allows the user to drag the map to have better visibility in case the map 1s in zoomed mode to have better visibility PanOneDirection This tool allows the user to pan in 1 of the 4 directions allowed East West North and South Identify Performs an Identify on the active layer 7 3 SELECTION TOOLBAR The Selection Toolbar allows the user to perform feature selection based upon attribute or spatial queries It helps the users to create queries on the selected layer The actions performed by the various options in the zoom pan tool bar ar
16. deploy Both technologies will be discussed at length In this chapter we will focus on the benefits of the technologies used and their key areas 2 1 JAVA Java 1s a general purpose concurrent class based object oriented language that 1s specifically designed to have as few implementation dependencies as possible It is intended to let application developers write once run anywhere Java is currently one of the most popular programming languages in use and is widely used from application software to web applications 2 Figure 2 1 describes the characteristics of Java 3 mum LE Figure 2 1 Characteristics of Java Following are some advantages of Java 4 Java is simple Java was designed to be easy to use and is therefore easy to write compile debug and learn compared to other programming languages One reason why Java is much simpler than C is because Java uses automatic memory allocation and garbage collection whereas C requires the programmer to allocate memory and to collect garbage himself Java is object oriented Java is object oriented because programming in Java is centered on creating objects manipulating objects and making objects work together This allows you to create modular programs and reusable code Java is platform independent one of the most significant advantages of Java is its ability to move easily from one computer system to another Java is distributed Distributed computing involves
17. e as follows Find This option is used for locating features whose attributes contain an end user provided string Search This option opens up a dialog for locating features based on a predefined stored query Query Builder This option opens up a dialog based on a query that an end user constructs Select Feature This option allows to select a specified area selected by different means as rectangle circle line and polygon Clear Selection This option allows removing the selected features on the active layer Buffer This option opens a dialog for constructing a polygon around the currently selected feature Attributes This option displays the attributes of the layer selected on the TOC 24 CHAPTER CUSTOM TOOLBAR In addition to the toolbars provided by MapObjects custom toolbars can be created in Java to enhance the usability of the GIS tool Table 8 1 One such toolbar is used in this application Table 8 1 Legend of Custom Toolbar Number Tool Name Class or Function Name 1 Print com esri mo2 ui bean Print 2 Add Layer com esri mo2 ui tb LayerToolBar 3 Delete Layer com esri mo2 map dpy Layer 4 Pointer Arrow java PRINT This tool allows users to print map an attribute table see Figure 8 1 The following is the code snippet which shows how this tool has been implemented ActionListener lis new ActionListener public void actionPerformed ActionEvent ae Object source ae getSource
18. ee ie xi CHAPTER NERO DUO TION ee arr ere nae ee mene any rae irr pene nner mr ne er er ne eee nee I 2 TECHNOLOGY q 3 DAJN RR EE RE ER N MM 3 2 AMApObieets Java Edic 5 2 BBE EEX DIOUCE or a N 6 2A Eelipse DE A a A ee vali 6 23 EHE REQUIREMENTS iaa comia co 8 Dl ata Reduiteiments ios 8 3 2 Plattorm equite petits iss abi SEER DEE tA Doo dia eb Oe EE eb 8 2 9 Functional Require nie HES coil moe oe de ie ee Ee oe 9 dr PROTOTPIN oe Pedes idunt 11 D DUETWARE ARCHITECTURE es dees Se ee ES One see se Se us de ese Gee 14 2 HMen bevel Architecture DIST iu in 14 2 2C lasses and Class Dia Sr ain A 15 6 ECLIPSE AND MAPOBJECTS CONFIGURATION 16 T MAPOBIECTS TOOLBAR adit tiet gen assaut 22 CA A se E he ie ices ies ec D 22 Ez ZOOmMP an FOCI AL listada 27 Tos electiOD TOO Dri 23 S C USTOM TOOLBAR EE 24 SY 116 WLC bey ET OOC CI m 27 SUNT BS LORI A A O E E E EEE E EE E 27 VA EDI EMO et Re Re 28 0 SCREENS HAS RE ERE 31 11 CONCLUSION AND OBSTACLES ss sade Sas Sus oe ie Ee ee se eke es SE Sus oe ese 37 12 FUTURE ENHANCEMEN IS dk dott eu tepido epulas rase 38 BIBEIOGRADPEDE Ge se i cai 39 viii LIST OF TABLES Table 5 1 Imported Classes Used by this Application 15 Table s 1 Legend of Custom POOIDAE LE an 24 1X LIST OF FIGURES PAGE Fieute 2 TC haracterisucs OE Java o an sac pr cence oe Ese ep econ eae asada 3 POUT
19. ers one more important tool which helps users to compare the data and is known as Layer Properties tool This tool allows users to change the properties of a layer such as its renderer and symbols by a user interface The layer properties tool has been implemented using the com esri mo2 ui ren LayerProperties class 5 The Legend Editor tool is accessed through the File Menu Figure 9 2 shows the Layer Properties window It has three tabs Symbols Labels and Generals In the symbol tab we get option to select the single symbol graduated symbol and unique symbol By using these symbols the layer feature can be represented By using label tab we can provide labels to the layer feature and it can be labeled by different categories stored in the attribute table By using general tab users can select the option of when the feature layer should be shown B African Subcontinentals h l File africapoi S country Properties Ig africa deserts Draw features using i i Graduated Symbols BE africa rivers o NIN Er cane classes sH C Remove Outline Classified by Equal Int ES Color uk colonies Start _ Yellow FA end MR 7 trench colonies LO 300 750 E M IE 53 1196 798 1196 S country L 595 8 43732114493 290016 0 Figure 9 2 Layer properties window It can be shown at all times or it can be shown only when the layer is in the range mentioned by the user In Figure 9 2
20. functional requirements for the GIS multimedia teaching tool for Africa 3 The tool should run on any platform All the data should be represented in geographical form on a map so that users can identify different countries easily Tool should be loaded with all the layers Different colonies should have different colors on the map so that identification can be made easy All the graphical features and fonts should be neat and clean The tool shall provide tools to zoom in and zoom out and it should be capable of adding more layers to the map The software should be able to add and remove labeling on each layer Hotlinks 1s an important requirement in the project After selecting the hotlink tool and clicking on any African country it should open a window giving information about the selected country and a Wikipedia hyperlink to the country s page Hyperlink should allow the user to go to external webpage to get more information about the country Hotlink and Hyperlink should work for the point of interests layer as well Tool shall provide a built in Print Option Java should be used which is simple and platform independent so it can be utilized everywhere This tool shall be created with the use of MapObjects Java edition The project should be nicely packaged in a JAR file and placed on a campus website so it can be easily downloaded and installed on any machine Africa has sometimes been known as the dark c
21. g Many students are more inclined to newer technologies and are have an appetite to learn using them The ability to learn while on the move is very important for example learning a new language Math is much harder to learn online and the fields of history and geography in focus here are somewhere in between The purpose of this GIS multimedia teaching tool about the African continent is to provide interactive graphical information of colonial history independence history points of interests demographics and physiographic of Africa There are 54 countries in the African continent Users can switch between various colonizers Belgian French or UK of Africa to see which countries experienced colonization When users use the hotlink tool on particular country a pop up window gives description about the country name capital city independence date population area and government type If user wants to know more about a particular country a Wikipedia link 1s also provided The hotlink tool works the same way for the points of interest layer Users can also view the deserts and rivers of Africa Typical interactive map tools like zoom in are provided ESRI Environmental Science Research Institute has an outstanding presence in the field of GIS Geographic Information Science MapObjects is a suite of Java based developer components for creating client or server side mapping and GIS applications 1 The release of MapObjects Java Standard Ed
22. his kind 1s more valuable if people can be shown to it This played a role in the difficulty of finding both information e g current type of government and feedback from expert MOJO provides easy extendibility It will help to add new features or functionality to this tool effortlessly This tool can be converted to a web based application to provide better accessibility to the users 38 CHAPTER 12 FUTURE ENHANCEMENTS This tool provides a great framework which can be expanded to add more features and functionalities This tool has been developed using object oriented design in java which will allow reusing classes and extra features can be added with minimal code changes Some of the future enhancements proposed are e Deploying the application on the web as browser hosted applet so that it can be used without installing it on each machine e This tool can be localized into different languages e Application can be made for mobile devices and tablets e More customized tools can be added as per the requirement e More countries can be added e Easy way to update time sensitive material such as type of government 1 2 5 4 5 6 7 5 39 BIBLIOGRAPHY Oracle Java SE Downloads 2011 http java sun com javase downloads index jsp accessed Oct 2011 Wikipedia Java Programming Language 2011 http en wikipedia org wiki Java programming language accessed Oct 2011 Sakshi Ar
23. ia the free encyclopedia Coordinates QG 29 34 24 N 2 22 23 E Contents Featured content Alg rie redirects here For the French WWII heavy cruiser see French cruiser Alg rie Current events ia ti l i ic dad 3j EE A pp Algeria 4 teel darerier Arabic AG al Jazair Berber and Algerian Arabic Dzayer or Ldzayer oficial the People s Democratic wa Algeria People s Democratic Republic of andom article Al Jumhuriyah al Jazairiyah ad Dimugratiyah ash Shabiyah also formally referred to as the Democratic and Popular Republic of Algeria is a Algeria Donate to Wikipedia country in the Maghreb region of Northwest Africa with Algiers as its capital Audi Aula aas da ja da seal Arabic Interaction In terms of land area it is the largest country in Africa the Arab World and of the countries bordering the Mediterranean Sea it is also the tenth largest al Jumh riyya al Jaza iryya ad Help country in the world 21 The country is bordered in the northeast by Tunisia in the east by Libya in the west by Morocco in the southwest by Western ENG T About Wikipedia Sahara Mauritania and Mali in the southeast by Niger and in the north by the Mediterranean Sea Its size is almost 2 400 000 square kilometres Community portal 926 645 sq mi with an estimated population of 36 3 million as of 2011 12 Recent changes Algeria is a member of the African Union the Arab League OPEC and the United Nations The country is also a foundi
24. ition allows a developer to build custom map applications using the open standard Java programming language Software developers can extend the basic map functionality provide customized capabilities to satisfy the end user This tool was developed using MapObjects Java Objects MOJO technology which is a product of ESRI The IDE used for developing this tool is Eclipse 3 5 MapObjects Java Edition 1s used as it can perform activities as labeling map features thematic mapping panning and zooming through multiple map layers querying spatial and attribute data performing geometric operations measuring distances displaying real time geographic data and much more It provides features by which geographic based display can be implemented in designing applications MapObjects supports data types include shape files layers image formats such as BMP TIFF PNG and JPG The term MOJO is a non ESRI term for MapObjects which is more easily remembered The two great virtues of these technologies are 1 The GIS application can be customized to a very high degree 2 Deployment to a wide variety of platforms is made easy by Java executable jar files CHAPTER 2 TECHNOLOGY This chapter focuses on the technology used for developing this tool This tool has been developed using Java and MapObjects Java Edition The reason for choosing Java as the programming language is mainly because it supports MapObjects Java Edition and it is very easy to use and
25. lected they can use the arrow tool which is actually a no selection tool The following 1s the code snippet to show how this functioanality is implemented Arrow arrow new Arrow creating the object of Arrow class button_lis new ActionListener public void actionPerformed ActionEvent ae else if src arrow_button setCursor Java awt Cursor DEFAULT CURSOR map setSelectedTool arrow W setting the map tool to arrow j j The following code explains how to create the Arrow class import com esri mo2 ui bean Tool import java awt event MouseE vent public class Arrow extends Tool 1 public void mouseClicked MouseEvent me j 27 CHAPTER 9 ADDITIONAL TOOLS This GIS multimedia teaching tool about Africa provides other features in addition to the default GIS toolbars These tools enhance the functionality and usability for the user These tools provide better understanding of data and facility to evaluate the varied data so as to make comparisons and get the collective information of all the categories 9 1 HOTLINK The Hotlink tool provides information about the independence history government type area population capital city colonization history of each African country as well as points of interests around African continent When the hotlink toolbar option is clicked a window pops up giving the above information for each African country To use this tool select a layer africal or africapoi fr
26. mples Library JRE Systern Library lt Back Finish Figure 6 4 Selecting user library 18 19 2 Preferences Filtered LLE im type filter text User Libraries Java Build Path User Libraries User libraries can be added to a Java Build path and bundle a number of external archives System libraries will be added to the boot class path when launched Defined user libraries JI ooo i Figure 6 5 Creating a new library New User Library Lo User library name ESRI System library added to the boot class path Cancel Figure 6 6 Adding library name 15 Now attach to attach JavaDocs to the jar files expand one of the Jar files and click on JavaDoc location and then click edit Figure 6 9 shows the step execution 16 In the JavaDoc location path navigate to the JavaDoc folder in the ESRI documentation directory Figure 6 10 shows the process 17 Click ok and do the same for other jar files Note that use of an IDE is not completely without drawbacks The IDE generates considerable code automatically without the programmer paying much attention to the exact nature of this code and how 1t works 7 Browse JAR Folder EE ie esr mozures sri moZ rpf esr mo2Dvpf Fl ipeo0 sdk jsde90_sdk Ai a i m E y TES SE Er a Network Files of type Classpath Entry folder ZIP or JAR file Figure 6 7 Selecting JAR files NI NECEM dB Add Library NEP x User
27. n use custom created web pages to display the information related to the topics By using the rich Swing components included with MapObjects Java Edition you can quickly build applications that include functional toolbars dynamic symbol control query dialogs overview and insert maps and intelligent legends Pop up windows alert boxes java panes which have ability to display multiple format of data that make your custom applications easy to use and even easier to develop and easy to understand The different Map Object packages contains many pre executed classes which are used to create various tools this makes a developer s job very easy The server side map components in MapObjects Java Edition allow developers to build map services Java Server Pages JSPs and servlets or custom Enterprise JavaBeans EJB Web based mapping applications Several extensive sample applications based on JSPs and EJBs are provided to demonstrate how to build robust Web applications with the server side MapObjects By using applications created with MapObjects Java Edition end users can combine local data with Internet and Intranet data to create their own customized maps and easily integrate these maps with different locations corresponding to the map projected using comma separated value files which is having latitude and longitudes 6 of the locations it also supports different data formats including shape files ArcSDE layers ArcIMS image and feat
28. ng member of the Arab Maghreb Contact Wikipedia Union Toolbox Contents hide Flag Emblem Printexport 1 Etymolo z ty Motto i 3D Arabic Languages 2 History E S weyref i weyref Berber Ac h 2 1 By the people and for the people 1127 Agbir3033 22 Ages Anthem MNemannisdi 2 4 Spanish e 2 5 Barbary Pirates wo Englisc 2 6 ger rule aas od 2 7 Post independence We Pledge A 2 7 1 Political events 1991 2002 Aragon s di o 2 7 2 Post war _ N E Figure 10 7 Wikipedia page of the country selected by Hotlink tool e ejeejeeele hal e z k jm ss africapoi ms 7 RP Lin Mi africa deserts ra You clicked on Afrika Korps africa rivers Name Afrika Korps a Description The German Africa Corps or the Afrika Korps as it was popularly called was the German expeditionary force in Libya and Tunisia during the North African Campaign of World War Il gian colonies E s O k colonies nch_colonies L fre E Wl africa Figure 10 8 Hotlink tool applied on africapoi layer Y africapoi e w africa deserts africa rivers belgian colonies Y uk colonies french colonies w africa1 m country O Co Les stores Du CHAPTER 11 CONCLUSION AND OBSTACLES Africa continues to be often ignored in university classes in departments like history and geography so an application of t
29. ntation and writing user manual is an important part in this phase Figure 4 2 shows the screen shots of the prototype The screen 1s the main screen which is launched when the tool 1s started Initial prototype has been developed and modified according to feedback from the thesis supervisor All the features were implemented accordingly and were finished in the time frame given as per requirements Feedback from fellow students also played a role The inability to find an on campus customer from e g history meant the absence of a local expert on Africa A w africapoi e africa deserts CA africa rivers e belgian_colonies L W uk colonies al french colonies LI africa L W country Figure 4 2 GIS multimedia teaching tool about Africa main screen 14 CHAPTER 5 SOFTWARE ARCHITECTURE The design phase started after finishing requirement collection for the tool This chapter mainly focuses on the high level software architecture and class diagrams The high level architecture diagram states the relationship between different entities 5 1 HIGH LEVEL ARCHITECTURE DIAGRAM Figure 5 1 depicts the high level architecture diagram for GIS multimedia teaching tool about Africa User Interface Provide Graphical User Interface to Interact With too map MapoObject Renders data from shp csv to display on Map CSV SHP Geometric and other information Figure 5 1 High
30. om the TOC i e left panel of the tool and click on the hotlink button Now click on any of the African country of the feature layer on the map A window opens up showing the information of that country The government type displayed in the hotlink popup should ideally be updated frequently and was obtained from the web and Wikipedia country by country Figure 9 1 shows the popup window which shows the data of the selected country This code snippet shows that the most recent clicked shapefile 1s used and data is accessed from its attribute table columns and displayed on the window FeatureLayer flayer2 FeatureLayer pe getLayer com esri mo2 data feat Cursor c pe getCursor Feature f null Fields fields null if c null f Feature c next fields f getFields 1f flayer2 getName equals afridal mygdi f getValue 11 toString mypop f getValue 13 toString elseif flayer2 getName equals africapov myaidsD f getValue 11 toString myaidsL f getValue 12 toString 28 Name of Country Algeria Capital Alger Y africa deserts Population 36 423 000 M v africa rivers Area km2 2 381 741 Colony Of France belgian_colonies Government Semi Presidential Republic Independence Date July 10 1962 Figure 9 1 GIS tool with Hotlink window 9 2 LEGEND EDITOR GIS toolkit off
31. ontinent because 1t was colonized and developed after other parts of the world It remains relatively undeveloped and its history and geography as not at all well known Projects similar to this one located 9 elsewhere were sought by various on campus departments but an enthusiastic campus customer for this one was harder to find 10 11 CHAPTER 4 PROTOTYPING The best way to make sure that the requirements have been understood correctly and both the developer and the client are on the same page 1s to prototype the product and demo 1t to the client The prototype also provides a visual feedback to the client that can be used to generate more ideas and understand how their requirements would be implemented Prototyping the development cycle of your project helps in reduces the risk during implementation and adaption of the software tool See Figure 4 1 for the steps followed in the Prototype Model This model increases the flexibility of the development process by allowing the client to interact and experiment with a working representation of the product The main focus of this model is to satisfy the client needs and the developmental process only continues once the requirements are satisfied with the functioning of the prototype Project Planning Requirement Definition mum Development Integrate amp Test Installation amp Figure 4 1 Prototype model 12 The software developmen
32. ora GIS and multimedia presentation of women s status across the world Master s thesis San Diego State University San Diego CA 2011 WEB DOT DEV Java Advantages and Disadvantages 2011 http www webdotdev com nvd articles reviews java java advantages and disadvantages 1042 html accessed Oct 2011 Carl Eckberg Notes on MapObjects Java Edition CS537 handout San Diego State University San Diego CA 2011 CMC Government Services MapObjects Java Edition 2011 http www cmcgov com store pc MapObjects Java Edition p34 htm accessed Sept 2011 Namrata Verma GIS multimedia tool Master s thesis San Diego State University San Diego CA 2011 Wikipedia Class Diagram 2011 http en wikipedia org wiki Class diagram accessed Oct 2011
33. ptions of the functions their parameter list and it reduces the reference to the external documentation and hence speeding up the development time e Debugger It helps you in debugging your code by adding the watch to the variables in the code which helps you in monitoring the different values for the variables at different stages during the code execution It also helps you in putting breakpoints in between the code execution so that it becomes easier to find bugs using tools like JUnit and Versioning I have used Eclipse as the IDE for our application But for making eclipse available for the MapObjects Java Objects we configured it which will be covered in detail in Chapter 6 CHAPTER 3 THE REQUIREMENTS The GIS Multimedia Teaching Tool about Africa is an interactive tool developed for users to enable them to learn more about the colonial history independence history demographics and physiography of Africa The thesis has been developed under the guidance of Dr Carl Eckberg from the San Diego State University Computer Science department and he was the major contributor of the requirements for this thesis The requirements gathered have been classified into data requirements platform requirements and functional requirements 3 1 DATA REQUIREMENTS The data requirements were gathered from Prof Carl Eckberg in order to have accurate information pertaining to the African history He helped in identifying important information abo
34. stom applications that incorporate GIS and mapping capabilities or to extend the capabilities of existing applications MapObjects Java Edition is a collection of client and server side components used to build custom cross platform mapping and GIS applications It allows precise control over the behavior of the application a user can make his application from the bottom up adding only those features that he requires a GIS class at San Diego State University covers MapObjects in depth and has a published guide named Notes On MapObjects Java Edition by Dr Carl Eckberg which was one of the main criteria for choosing MapObjects 5 Important features as cited from the MapObjects Java Edition brochure are the following 6 Applications which are built using MapObjects Java Edition can support activities such as labeling map features thematic mapping panning and zooming through multiple map layers specifying projections querying spatial and attribute data performing geometric operations measuring distances displaying real time geographic data and creating layouts creating shape files projecting on particular locations One can easily distribute MapObjects Java Edition applications over an internet or intranet through browser hosted applets or simplify web delivery of your application with the use of Sun Java web start technology the industry standard launching mechanism for distributing Java applications over the web one ca
35. t life cycle can be subdivided into four phases e Definition and Requirement Collection Understanding requirements plays a crucial role in creating any software product A clear definition of requirements 1s essential in designing the tool In the previous chapter we already mentioned the requirements gathered After this phase we would have a clear definition and image of the requirements needed to develop this Multimedia GIS tool for Africa e Design In this phase using the specifications provided we can design the project the functionalities and GUI the user expects will help 1n designing the outer layer of the project It also includes the implementation and testing of software code which is ready for deployment e Development This phase consists of developing the actual tool by writing code implementing tool as per the requirements gathered Initially small modules of different functions are implemented and then these small units are integrated to form a system This process goes on until the project 1s ready to deliver I found this process very helpful to keep track of the requirements and implementation of the project Testing the modules at each step of implementation enhances less error rate and 1s easy to keep track of the actual requirements e Deployment and Maintenance The actual deployment starts after the code is appropriately tested and all other aspects of the project including documentation has been taken care of Docume
36. ure services image formats such as BMP TIFF PNG JPG GIF Generally these image formats comes into the picture when we try to create different toolbars having their own images to recognize You can also use MapObjects Java Edition to access files from your own custom data sources for easy integration Other Java based GIS packaged include UDIG and JUMP but MOJO was favored since we have a lot of developed features there already Larger and high priced ESRI tools were not considered because in addition to the cost issues they are not as readily customized and deployed 2 3 DBF EXPLORER DBFExplorer is an easy to use simple GUI based application for editing and viewing DBF files We can easily add edit delete records and modify table structure by modifying the data length and data type In our application it 1s used to store the data related to the shape files in a tabular structure Some features of this tool are e t does not require any external drivers for database connections e tenables you to print and export data to HTML format The only experienced drawback seems to be the ESRI shapefiles resent having a column name changed 7 2 4 ECLIPSE IDE An Integration Development Environment plays an important role in effective application development The important features which IDE provides are e Code editing capability which provides you IntelliSense with code refactoring IntelliSense corresponds to the accessing the descri
37. ut African colonies and points of interests to be displayed for African countries How the display of data 1s reflected in the tool 1s described in the functional requirements I have gathered all the information of colonial history independence history demographics deserts and rivers for each African country Each African country will cover the following information Name of Country Capital city Population Area Colony of Government and Independence date 3 2 PLATFORM REQUIREMENTS The platform requirements refer to the OS and the technologies used for developing the tool Although this tool is platform independent the implementation was done using the Windows platform The platform requirements were gathered from Dr Carl Eckberg Java was used as the development language with MapObjects Java Edition as the GIS solution These technologies offer a wide range of mapping and GIS functionality MapObjects Java Edition helps build applications that perform a variety of geography based display query and data retrieval activities at the client presentation Web and server tiers Thus they allow representing the geographical data on maps which make the tool more interactive and informative 5 3 3 FUNCTIONAL REQUIREMENTS The functional requirements mainly include the Graphical User Interface GUI requirements which a user would use to interact with the tool The requirements were gathered from Dr Carl Eckberg Following are the
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