User Manual
Contents
1. Themes A Adobe pludgin S 5 5 E Limites administratives D partements 8 viles principales m L y 1 Click on the geometry and its coordinates will be sent to the entry form a5 5458 4 71 a 447244 E 6 4205 validate 2 Validate to send the w coordinates to the Where criterion 1 14 12 11 2006 Desertification unit IRD MDweb version 1 3 User manual Guide to reference searches Example of using an encompassing rectangle to define the geographical extent In this second example the user wants to search for data sets that have French territory as geographical extent In this case the encompassing rectangle tool lets him draw a rectangle with the mouse that corresponds approximately to the extent on which he wants to conduct the search When the mouse button is released the coordinates of the rectangle appear in the form Which content When l Draw the rectangle using the Q mouse When you let go the 0 Le mouse button the coordinates are sent to the form Th mes ray Limites administrative Adobe D parte ments viles principales plugin 04 W 5 5555 G a 140 2 Validate to send the coordinates to the Where criterion Desertification unit IRD 12 11 2006 15 User manual Guide to reference searches MDweb version 1 3 o2. 3 Validate your choice to include it in your reset search criteria Search criteria selected Where H 7 5 Wo E 1 When Beginpin Which content Data type Ve reset all Note You can select several keywords for your search request by repeating steps 2 and 3 The words included in the On what criterion are combined by the AND logical operator The search takes place on the following fields of the metadata record Abstract Resource title Topic category and Keywords Desertification unit IRD 12 11 2006 11 User manual Guide to reference searches MDweb version 1 3 The On what form offers the user a dictionary of keywords used by users from which he can select one or more terms or a thesaurus by default that of GCMD Global Change Master Directory Two examples of their use in composing the On what criterion are provided Example of using the keyword dictionary Geographical data catalog Microsoft Internet Explorer Fichier Edition Affichage Favoris Outils Pr c dente gt T x Rechercher Y Favoris 5 gt j m Lg rel 2 E http localhost mdweb keywords keywords cadres php formul for aKe ioj x ah LU 2 Select a term from the dictionary and click it to transfer it to the field o demo tool Wow MDC XE rough the Where When Data type and Which cont ations Where E want do your zearch The
3. Promoting the creation of data catalogs for improved sharing of environmental information Cataloging amp locating environmental data User Manual Version 1 3 Searching User Manual MDweb version 1 3 Desertification unit IRD 12 11 2006 2 MDweb version 1 3 User manual What is MDweb MDweb is a generic multi lingual multi standard application for creating managing and accessing catalogs of environmental information via the Web MDweb is built on open source technologies Apache Postgres PostGIS PHP It uses relational databases that can be accessed via a Web client to manage catalogs of geographical data references to search for references and to download the listed resources as well as to manage the created catalogs and the tool itself MDweb can run independently on the Windows or Linux operating systems MDweb uses the ISO 19115 standard geographic metadata to structure store and export references metadata Its different modules In its current version the application consists of three modules a search module for references metadata which offers two search modes one based on data types and another that is multi criteria a password protected management module for entering and updating references and attached resource files an administration module that permits configuration of the tool management of all the references in existing catalogs import and export of refere
4. 32205 drop down lists and click on the 10 11 12 12 day to transfer it to the concerned date field Dr 18 12 20 26 21 Barch eria request using the four forms through the Where When Data type and Which cont 1d by the submit button More informations Whichcontent When Where When Choose a period beginning date ending date within the datasets have been Spreadsheet DB Table 5 Report Slide show Multi criteria search New references Searching data help create 1 Click on the icon Managing catalog Authentification Login Beginning date 1996 01 1 Fale yWyy mm dd Password End date Eak yyyy mm dd Registration 3 Validate your choice to include it in your Forgot your password ee search criteria o Choosing and validating the Where criterion Desertification unit IRD 12 11 2006 13 User manual Guide to reference searches MDweb version 1 3 Example using an existing geographic object In this first example the user wants to search for data sets that have the Isere d partement as geographic extent His geographic reference base contains an entity that is the outline of the I sere d partement in the D partements layer By using the information tool a he displays the label of the geometry on which the cursor is hovering He can transfer the coordinates of the geometry to the form A LS A IAEA Ry SSA A AA P A CA lt lt
5. Submitting the search request Once all your criteria have been selected you can launch the search Data type Which content Which type of dataset select the type of dataset on which you want to search By default the search is based an all Data type Relational Data Base T Validate reset 1 Your selected criteria Search criteria selected Where iM 50 44177 5 42 53002 Wo 4 8249 E 8 69107 When Beginning date 1996 01 1 End date Which content city Data type Vector layer Click to clear the selected criteria e Search results The records that meet the search criteria are displayed in a list The following information of each reference record is displayed record title its creation date the name of the data catalog to which it is attached its data type Use the E icon to view the reference s detailed description MDweb demo tool Cataloging amp locating environmental data i I E searching Images raster layers Home page Searching data By data type Relational databases Geodgatabase Digital map Hardcopy map 5 Wector layer Spreadsheet DB Table 5 Technical report Slide 16 12 11 2006 Desertification unit IRD MDweb version 1 3 User manual Guide to reference searches Moving around in the results of your search The search results are displayed in a list The displayed page looks like this as Navigati
6. bution Informations tabout the distributor of the dataset name of the responsible organization Institut des R gions Andes role af the responsible party distributor delivery point Route de Jorf kms 22 cit M d nine postal cade country Tunisie email s monqgimira rnrt tn email Jaroussi bennour gmail com Information for the distribution of the data set The Distribution tab provides the information necessary format address to access the data set via a zip archive or Web address This is valid only if the data set manager has allowed access Desertification unit IRD 12 11 2006 19 User manual Guide to reference searches 20 Rivieres non perennes de tunisie Last update 02 03 2005 MDweb version 1 3 Back Catalog Coordination R gionale France Dataset format tunisie nvieres non perennes shp Version of the format Shape Dataset format tunisie nvieres non perennes sbn version of the format Shape Dataset format tunisie nvieres non perennes sbx version of the format Shape Dataset format tunisie mvieres non perennes dbf version of the format Shape Dataset format tunisie_rivieres_non_perennes shx version of the format Shape Transfer size of the dataset Mb 0 127 access for on line address httpi www razelt ass arg coard ressaurces TLIM 31 zi description of on line resource downloadable file 12 11 2006 Desertification unit IRD MDweb
7. creation date format who owns it etc e A description of its contents summary title thematic and spatial descriptors quality etc A data set s characteristics are accessible with your web browser E and exportable as a XML file _ so that they can be stored on your personal computer m If the owner of the catalog so wishes he can attach a zip archive amp containing the data set to each metadata record In such cases you can download the data set Composing a multi criteria search request When you click the Multi criteria search menu item a tabbed form appears which can be used compose a multi criteria search request Fill in the form on one or more of the criterion tabs What data type On what When Where and Catalog to compose a query You can select multiple values for the What data type On what and Catalog criteria For each criterion the values selected are validated by the Validate button before exiting the form The When and Where criteria only allow one period and one geographic extent respectively The search starts when the validated criteria are submitted by clicking the Submit button of the general form at bottom right of the page An example of composing a multi criteria search request A user wants to search for all vector themes What data type criterion which were created before 01 01 1996 When criterion and which include the term commune On what criterion in Metropo
8. e document This document is logically divided into three usage oriented parts e Guide to reference searches e Guide for managing references e Guide for the tool s administrator managing the tool and references 12 11 2006 Desertification unit IRD User Manual MDweb version 1 3 Desertification unit IRD 12 11 2006 6 Cataloging amp locating environmental data Guide to Reference Searches Contents for the Guide to Reference Searches BEFORE STARTING TO SEARCH ans 9 WHAT DOES MDWEB PROVIDE THE 0 5 10 COMPOSING A MULTI CRI TERI A SEARCH REQUEST 10 MOVING AROUND IN THE RESULTS OF YOUR SEARCH 17 USI NG THE CARTOGRAPHI C MODULE WHERE CRI TERI ON 21 MDweb version 1 3 User manual Guide to reference searches Before starting to search This guide provides general explanations for searching and accessing detailed information metadata contained in referenced data sets in the online data catalog The access to the data itself is the responsibility of the institution The goal of this tool is to provide access to environmental data catalogs of the concerned institution or project by way of three search modes They form part of the Idees section e By data type e Multi criteria search e New references Predefined queries Predefined queries allow the user to conduct a search o
9. er describes the data This role is most logically assigned to the producer of the data to be referenced He is the most suitable person for describing the contents and characteristics of the data that he himself has produced This type of user will have access to modules that allow the entry updating and management of his own references The final user has access to the catalog search and access module Two cases can arise if the user authenticates himself as a privileged user he will obtain the rights to Desertification unit IRD 12 11 2006 4 MDweb version 1 3 User manual use the private access module If not i e if he is an unauthenticated user he will have rights only to a public search and access module The standardizer is the organization or individual from the coordinating organization who defines the structure of the metadata used to reference data He ensures the consistency in catalogs when several copies of MDweb are being used in an overall distributed sharing system within one organization or programme This document s purpose This document is a manual for the user in his MDweb role as cataloger validater or administrator It lists in detail the essential concepts and procedures necessary to use MDweb Who is it meant for This document is meant for users who are not computer experts Explanations are provided whenever it is necessary to understand concepts specific to the tool for its use Structure of th
10. keyword FRERES ords the search is made using the J Intranet local a Searching data help NN Managing catalog Keywords kyomiogy Authentification Login A Click on the icon 12 12 11 2006 Desertification unit IRD MDweb version 1 3 User manual Guide to reference searches Example of the use of the thesaurus You can use the existing thesaurus 1 Load it in the pop up Select the Science de la Terre GMCD thesaurus from the thesaurus drop down list 2 Navigate within the thesaurus using the Domain and Theme lists To select a word and send it to the form click on it 3 Domain 2 scmo Earth Science zi Hydrosphere zl Ground w Theme Ground Water 3 Select a term in the list below L Aquifers Land Subsidence Discharge Flow Percolation Saltwater Intrusion Springs Water Table Drainage Groundwater Chemistry Infiltration Jata type and Which cont a Keywords free E CMD Thesaurus byword the E http localhost mdweb thesaurus thesaurus liste php Formul FormKey 24 Intranet local 2 New references Searching data help Managing catalog Keywords agues gt Authentification Login 1 Click on the icon e Choosing and validating the When criterion Date selection Microsoft Internet erc January 1996 2 Choose the date by selecting 3 Mon Tue Wed Thu Fri Sat Sun the month and year from the
11. litan France Where criterion The example below shows step by step how to compose this search request with the required four criteria using the MDweb search forms 10 12 11 2006 Desertification unit IRD MDweb version 1 3 User manual Guide to reference searches e Choosing and validating the On what data type criterion criteria must be validated by the submit button More Informations When l Choose the What data type tab Data type Which content Which type of dataset Y select the type of dataset on which you want to search By default the search is based on all Select the data type Vector theme Data type Relational Data Base validate reset Relational Data Base Geographical DB Digital map Hardcopy map Image Raster layer Vector layer mm Slide show Spreadsheet DB Table End date 3 Validate your choice to include it in your search criteria Search criteria selecte Where N 819 When gt Beginning Which content Data type 1 Vector layer Note You can select several data types for your search request by repeating steps 2 reset all date and 3 e Choosing and validating the On what criterion Data type Which content Which content 7 select one or more kewwords which you want ta do your search The keyword Using free keywords the search is made using the 2 Enter a keyword or use the icon ras o mm
12. n fixed and unchangeable criteria Two types of predefined queries are offered Searching by data type The search request returns all the references matching the specified data type from all online catalogs New references The search request returns all new references period configurable at the time of MDweb installation default is 30 days from all online catalogs Multi criteria searches The multi criteria search mode allows the user to compose a search request by using up to four criteria These criteria allow him to refine his search The criteria that can be used relate to the following questions What data type To what data type s does the search apply the user can choose one or more data types from the ones offered vector theme image etc On what Which keywords is the user searching for he can specify one or more of them When Allows the user to specify the period in which the data that he is searching for was created Where He can specify the geographical location of the data to which his search applies Desertification unit IRD 12 11 2006 9 User manual Guide to reference searches MDweb version 1 3 What does MDweb provide the user MDweb does not provide access directly to data sets MDweb offers searches for and access to references or metadata records i e it provides access to information that is essential for knowing e The existence of a data set e The data set s characteristics its type
13. nces in XML format and the customization of interfaces Architecture of the application Public access E XML export __ Data Download Authentified access Metadata management Administration DBMS Database Management System Import Export Xml Postgres MySQL Oracle Catalog Managt ool PHP Apache scripts Web server 12 11 2006 Desertification unit IRD User Manual MDweb version 1 3 Concept of roles and associated functionalities By design MDweb is a multi user application which necessitates the definition of clearly distinct roles for the use of its different functionalities Each user is assigned an account to which a role is given by the administrator This limits the user s access to only those modules that correspond to the application tasks that have been assigned to him Five roles are distinguishable If publication rule manual validate sheets FN Validation role Final user Consultation role The administrator is the super user He can access all modules and can manage the catalogs users and the tool s configuration The validator is responsible for validating the references contents He thus becomes the guarantor of the quality of the references and data attached to the catalogs To fulfil this role this type of user will have access to all the references of a catalog irrespective of whether it was created by him or not The catalog
14. nd practices Topic category geoscientific information Topic category environment Keywords 1 keyword Aptitude des sols Thesaurus name nane type of keyword discipline Keywords 2 keyword qualit des sols Thesaurus name nane if type of keyword discipline 12 11 2006 Desertification unit IRD MDweb version 1 3 MDweb version 1 3 User manual Guide to reference searches Contacting the information manager The Contact tab provides contact information for the individual s or organization who manages the data set in question who distributes it if it accessible online or if it can be ordered and the contact information of the organization or individual in charge of managing the data catalog metadata manager Les classes d aptitude des sols de l observatoire de menzel habib 1996 donnee i k d entree pour le siel 1994 2002 Bac Last update 27 10 2005 Catalog Menzel Habib Tunisie DataSet Localisation Quality Distribution Sheet informations Dataset identification name of the responsible organization Institut des R gions Andes role of the responsible party custodian delivery point Route de Jorf kms 22 city M d nine postal code country Tunisie email s mongilialira rnrt tn email laroussi bennouragmail com On line resource to provide informations about responsible party access for on line address http www ira tn Dataset distri
15. on bar Recherche des cartes num riques Summarized description of a reference and links for exporting it and to the detailed description Each list item looks like this De en of the reference Data available for download Title of the data set and creation date Catalog name Exporting the reference in XML format Data set type Desertification unit IRD 12 11 2006 17 User manual Guide to reference searches 18 Detailed description of a reference The detailed description of a reference or metadata record is structured into tabs shown in red below which are based on the major parts of the standard The Data set tab provides information on the contents the type the format of the data set its creation date etc The Localization tab provides information on the spatial extent and the reference system of the data set Les classes d aptitude des sols de l observatoire de menzel habib 1996 donnee d entree pour le siel 1994 2002 Back Last update 27 10 2005 Catalog Wenzel Habib Tunisie Dataset identification Summary couche d information vecteur donnant les classes d aptitude des sols de l observatoire de Menzel Habib en 15 classes donn e d entr e pour la mod lisation sur la p riode 1994 2002 Author s Status of dataset Dataset language french Character set used for the dataset 8859 1 Rosel themes landscape structure Roselt themes land uses a
16. try to restrict the search to it The coordinates of the selected geometry are filled in in the fields of the form Validate the coordinates using the Validate button Desertification unit IRD 12 11 2006 21 MDweb version 1 3 22 User manual Guide to reference searches 12 11 2006 Desertification unit IRD Contacts RD Institut de recherche pour le d veloppement IRD Desertification unit US 166 500 rue Jean Francois Breton 34093 Montpellier Cedex 05 France TEL 33 0 4 67 54 87 02 Desconnets cd teledetection fr B Granouillac bgranou teledetection fr MDweb project site www mdweb project org Online demo www mdweb project org demo14
17. version 1 3 User manual Guide to reference searches Using the cartographic module Where criterion The cartographic querying module is accessible in the multi criteria search form in the Where tab It is activated if your browser supports and has a SVG plug in installed Internet Explorer If not only four fields into which you can enter the North South East and West coordinates will be displayed If the SVG plug in is not installed you can download it and install it from this link SVG plug in This form gives the user the possibility of specifying in an interactive manner the coordinates of a geographic area or geometry over which he wants to conduct the search The form includes four commands Zoom in function allows the user to zoom in on a particular area Click on the radio button to activate the zoom function and specify the area to zoom to with the mouse Initial zoom function allows the full view of the map in its entirety Function that allows searches to be limited to particular geographic zones Also extracts the selected zones coordinates Click on this command s radio button and with the mouse draw a rectangle The coordinates of this rectangle are filled in in the fields of the form Validate the coordinates using the Validate button Displays the label of the geometry over which the mouse cursor is hovering Also extracts the geometry s coordinates Click on this command s radio button then click on the geome
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