CSW: Difference between revisions

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{{being updated}}
A CSW, Catalogue Service for the Web, is an online Catalogue standard for searching datasets. Users can provide keywords to search on. All the datasets that contain the keyword in their metadata, will pop up. A dataset can then be inspected and downloaded in different (geo) data formats. The CSW standard is defined by the OGC, the Open Geospatial Consortium.
{{learned|what a CSW is|how to insert a CSW into the Engine}}


==What is a CSW==
==How to insert a CSW URL==
A Web Feature Service, in short WFS, is a standard in where data is published to the Internet and can be downloaded in different (geo) data formats. This standard is defined by the OGC, the Open Geospatial Consortium. The data is accessible through an URL and works in any browser. To read the metadata, filter data or download it, you can just use your browser. To visualize the data, the URL of the WFS can be read by a GIS (Geographical Information System). One of the advantages of a WFS is that the data is accessible on the internet, so you can always access it (if there is internet) and you don’t have to carry files with you anymore. Also sharing data is more easily, since you just have to provide the WFS URL, instead of the data file.
There are already two Catalogues provided by default to search for data.
* [[ArcGIS Pro|ArcGIS Online]]: Catalogue service from Esri in where users of ArcGIS Online can publish their Open Data. When logged in to either ArcGIS Online or ArcGIS Enterprise, private data can also be viewed and from here added to the {{software}}. See for more information the [[How to log in an ArcGIS Online account in the Tygron Client Application|how to login]] page.
* PDOK: This Catalogue service is the Nationaal Georegister in where Dutch Open Data is published from various (governmental) organizations


==How to insert a CSW URL to the Engine==
It is also possible to provide another CSW.  
There are already two CSW provided by default to load data from. These are already used by the Engine, among other datasets, to create a new project with.
* BAG: the base registration for Addresses and Buildings in the Netherlands.
* BRP: Gewaspercelen, a Dutch dataset containing the type of crops.


The CSW can be loaded in the {{software}} by using the [[Geo Data Wizard]]. Choose the third option: "Search for data in a Catalog Service".
In the next step, you will be asked to provide a name and the URL for the CSW. If the CSW is published with ArcGIS Server, choose ESRI as output type, otherwise choose CSW.


It is also possible to provide another WFS. This WFS must conform to the following requirement before it can be loaded properly into the Engine:
{{editor steps|title=Insert a CSW into the {{software}}|Choose a name for the CSW|Provide the URL of the CSW (the GetCapabilities part can be omitted)|If the CSW is published through ArcGIS Server, choose ESRI, otherwise choose CSW}}
* The WFS must have either GML3 or GeoJSON as output format.


==How to edit or remove a CSW URL==
[[File:Edit_url_source.JPG|right|200px]]
{{Editor steps|title=edit a CSW Connection|Select in the editor Current situation|Hover over 'Geo Import' from the ribbon bar| Select 'Show Project Sources'|Select the desired connection you wish to edit|In the panel on the right, edit the name, URL, Uploader and/or description}}
<br clear=all>


The WFS can be loaded in the Engine by using the [[Geo Data Wizard]]. Choose the second option: "Loading data from a Feature Service".
In the next step, you will be asked to provide a name and the URL for the WFS. If the WFS is published through ArcGIS server (Arcgis is then part of the URL), choose ESRI_JSON as output type, otherwise choose WFS_JSON.


 
[[File:Remove_source.JPG|right|200px]]
{{editor steps|title=Insert a WFS into the Engine|Choose a name for the WFS|Provinde the URL of the WFS (the GetCapabilities part can be omitted)|If the WFS is published through ArcGIS server, choose ESRI_JSON, otherwise choose WFS_JSON}}
{{Editor steps|title=remove a CSW Connection|Select in the editor Current situation|Hover over 'Geo Import' from the ribbon bar| Select 'Show Project Sources'|Select the desired connection you wish to remove|Click on the button 'Remove' at the bottom left corner}}
<br>
{{Template:GeoDataOverview}}

Latest revision as of 13:41, 13 December 2023

A CSW, Catalogue Service for the Web, is an online Catalogue standard for searching datasets. Users can provide keywords to search on. All the datasets that contain the keyword in their metadata, will pop up. A dataset can then be inspected and downloaded in different (geo) data formats. The CSW standard is defined by the OGC, the Open Geospatial Consortium.

How to insert a CSW URL

There are already two Catalogues provided by default to search for data.

  • ArcGIS Online: Catalogue service from Esri in where users of ArcGIS Online can publish their Open Data. When logged in to either ArcGIS Online or ArcGIS Enterprise, private data can also be viewed and from here added to the Tygron Platform. See for more information the how to login page.
  • PDOK: This Catalogue service is the Nationaal Georegister in where Dutch Open Data is published from various (governmental) organizations

It is also possible to provide another CSW.

The CSW can be loaded in the Tygron Platform by using the Geo Data Wizard. Choose the third option: "Search for data in a Catalog Service". In the next step, you will be asked to provide a name and the URL for the CSW. If the CSW is published with ArcGIS Server, choose ESRI as output type, otherwise choose CSW.

How to Insert a CSW into the Tygron Platform:
  1. Choose a name for the CSW
  2. Provide the URL of the CSW (the GetCapabilities part can be omitted)
  3. If the CSW is published through ArcGIS Server, choose ESRI, otherwise choose CSW

How to edit or remove a CSW URL

Edit url source.JPG
How to edit a CSW Connection:
  1. Select in the editor Current situation
  2. Hover over 'Geo Import' from the ribbon bar
  3. Select 'Show Project Sources'
  4. Select the desired connection you wish to edit
  5. In the panel on the right, edit the name, URL, Uploader and/or description



Remove source.JPG
How to remove a CSW Connection:
  1. Select in the editor Current situation
  2. Hover over 'Geo Import' from the ribbon bar
  3. Select 'Show Project Sources'
  4. Select the desired connection you wish to remove
  5. Click on the button 'Remove' at the bottom left corner


Geo Data
Project Sources
Open data sources • GeoShare • Custom Geometry
Web
WFS • WMS • WCS • CSW • Map service
File
CityGML • DXF • GeoJSON • GeoTIFF • SLPK
Import
Vector • Raster • 2D spatial plan • 3D model (I3S, CityGML)
Export
Vector • Raster • GeoShare Viewer


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