Geological survey of SloveniaGeological survey of Slovenia

Katarina HribernikKatarina Hribernik

Information system of mineral resources (GeoZS)Information system of mineral resources (GeoZS)

1. Database

1. Topografic layers (geographic info, maps, coordinates...)

2. Web application

GIS is not only a cartography!GIS is not only a cartography!

Complex GIS

4 steps of GIS establishment:

– System analysis

– Data analysis

– GIS design

– GIS realization

1. 1. System analysis System analysis

- define needs assesments – end users?

- define GIS application functionalities

- level of GIS establishment

- decision on software (we propose web application on ESRI ArcGIS server, database on SQL server)

- format of information layers (we propose shape or grid)

- geographic reference – coordinates (transformation, ETRS)

• result:result: specification of GIS functionality requirements

22. Data analysis . Data analysis

- determine minimum of data (survey of available data...conceptual model!)

- define all data layers

Without proper data analysis there is no Without proper data analysis there is no GIS design!GIS design!

3. GIS design3. GIS design

– software specification (ArcGis, ArcReader, AutoCAD, Excel, MSAccess...)

– relational database construction– information layers

Metadata! –– follow INSPIRE directive

• result: instructions for common GIS establishement

4. GIS realization4. GIS realization

- establishing of internet wiever – web application (ArcGIS server)

• result: functioning GIS application - portal

The SARMa GIS portal will contain a catalogue and a map viewer. The catalogue will be used to search for datasets using their metadata and consult the available mineral resources point data and maps in the viewer application.

Figure 1: SARMa GIS portal architecture

- SARMa GIS portal should allow visualization of common database and maps.

MAP VIEWER

The map viewer allows the user to:

-change the visible extent of the map (pan, zoom in, zoom out,…)

-manage the set of layers (visibility),

-consult the legend for the available map layers,

-perform an identify operation on the selected map layer (only one layer can be set “active”). -Query-Print-Legend display-Scale selection-Help

After identifying a map feature, a dialog will show some attributes of the selected feature on the map.

http://kalcedon.geo-zs.si/website/ms/viewer.htm

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