Geo Data: Difference between revisions

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Geographical data or geo data is data which have a location component. Almost all data is linked to a location or a place and are, therefore, geo data. Geo data can be, for example, a paper map, a digital web map or just a simple text file with coordinates. Geo datasets is either '''vector data''' (that is, features which are points, lines or polygons) or '''raster data''' (that is, data in grid cells). The features in vector data can have multiple attributes with values. Raster data mostly consist of a value and a color.


{{learned|what Geo Data is|how Geo Data relates to the Tygron Engine|what Geo Data sources are used}}
==How do Geo datasets relate to the {{software}}==
[[File:Generate_3D_world_databases.png|Load data from databases|thumb|400px|left|Tygron Platform loading screen showing several of the data connections]]
The {{software}} uses Geo data (vector and raster data) for building up a new [[project]]. For this, the {{software}} automatically connects to (Open) [[Project_Sources#Sources_connected_to_the_Tygron_Platform|Datasets]], based on the availability of the data for the chosen location of the project. For example the Base Registers in the Netherlands and Open Street Maps worldwide.
A principle that generally applies: if your project lacks certain information, then it is not available in the used datasets. <br> For more information on which data is used for your generating your project, see the [[Project_Sources#Sources_connected_to_the_Tygron_Platform|project sources]] page.
To add missing Geo data you can add additional Geo data manually (see below for options).
<br clear=all>


==What is Geo data==
==When to use your own data==
Geographical data or geo data is data which has a location component. Almost all data is linked to a location or a place and is therefore geo data. Geo data is for example a paper map, a digital web map but also just a simple text file with coordinates. Geo datasets are either vector (features which are points, lines or polygons) or raster data (data in grid cells). The features in vector data can have multiple attributes with values. Raster data mostly has a value and a color.
* The project takes place in a location for which there are no data sources available to create the project
 
* The default data sources are not accurate or up-to-date enough
==How does Geo data relate to the Tygron Engine==
* The default datasets are not detailed enough
[[File:Generate_3D_world_databases.png|Load data from databases|400px|left]]
* To do a more extended analysis in the {{software}}
The Tygron Engine uses geo data (vector and raster) for creating the [[3D World|3D model world]]. For this, the engine automatically connects to Dutch Open Datasets, such as the base registers. For this process the following general principle applies: if your 3D World lacks certain information, it is not available in the used dataset. To add missing Geo data you can either update the information in the database and regenerate the 3D world, or you can add additional Geo data manually. More information about importing data is provided on the [[Geo Data Wizard#How_to_import_Geo_Data|Geo Data Wizard]] page.
* To use in combination with an Excel Indicator or Panel
<br clear=all>
* For creating more overview in your project, for example by highlighting areas
In these situations, it might be useful to overwrite or import data.


==Which Geo datasets are used?==
==View Geo data==
To show Geo data in other software, such as a GIS, options are:
* the [[Overlay]]s can be obtained through a [[WMS]] URL. See the [[WMS]] page for more information and steps.
* the [[Buildings]] can be obtained through a [[WFS]] URL. See the [[WFS]] page for more information and steps.


The following table contains the datasets that are automatically used when selecting a location in The Netherlands and creating a new project. When selecting a location outside The Netherlands some Geo Data has to be provided manually.
==See also==
* [[Import_Geo_data|Import Geo data]]
* [[Export_Geo_data|Export Geo data]]


{| class="wikitable"
{{Template:GeoDataOverview}}
|-
! Open Dataset
! Description
! Coverage
! (Download) Source
! More information
|-
| BGT
| Basisregistratie Grootschalige Topografie: Base register containining the topography of the Netherlands.  The dataset is very detailled and contains for instance roads, parks, trees, water surfaces and street objects.
| Netherlands
| PDOK
|
|-
| BAG
| Basisregistraties Adressen en Gebouwen: Base register containing data about buildings and addresses such as function, construction year, size and the geometry of the buildings.
| Netherlands
| PDOK
|-
| Satellite map
| Satellite map used as base map for the 3D world and used for rooftop colors.
| Worldwide
| ESRI
|
|-
| DEM
| Digital Elevation Model: the terrain height (excluding buildings).
| Worldwide
| ESRI
|
|-
| AHN
| Actueel Hoogtebestand Nederland: Contains detailed elevation information. When generating a project, it is possible to select either AHN2 (complete for the Netherlands) or AHN 3 (not complete yet).
| Netherlands
| ESRI
|
|-
| CBS Wijk- en Buurtkaart
| The CBS Wijk- en Buurtkaart contains the geometry of the division in neighborhoods and statistical data related to those neighborhoods.
| Netherlands
| PDOK / CBS
|
|-
| Ruimtelijke plannen
| Ruimtelijke plannen are the offical published spatial plans/zoning plans.
| Netherlands
| Ruimtelijke Plannen
|
|-
| Top10NL   
| Topographical dataset, used as an addition to the BGT data.
| Netherlands
| Tygron / PDOK
|
|-
| NWB     
| Nationaal Wegen Bestand: Contains detailed information about the road infrastructure. For instance number of lanes and road type. Also contains a road ID used in conjunction with INWEVA (see below).
| Netherlands
| PDOK
|
|-
| INWEVA     
| This dataset contains an estimation of traffic intensity(information is based on a traffic model which is yearly updated).
| Netherlands
| Rijkswaterstaat
|
|-
| BRP     
| Basis registratie Percelen. Used to determine information about agricultural land use.
| Netherlands
| PDOK
|
|-
| Kadastrale kaart 
| This dataset contains the division into parcels.
| Netherlands
| PDOK
|
|-
| Risicokaart   
| This dataset shows hazardous- and / or nuisance buildings (for example LPG station) and cables and pipes. Also contains additional information on vulnerable buildings (hotels, hospital, school, etc.).
| Netherlands
| Risicokaart.nl
|
|-
| OSM 
| OpenStreetMap; this datasets contains the topography and attribute information.
| Worldwide
|
|
|-
|}

Latest revision as of 16:22, 27 January 2023

Geographical data or geo data is data which have a location component. Almost all data is linked to a location or a place and are, therefore, geo data. Geo data can be, for example, a paper map, a digital web map or just a simple text file with coordinates. Geo datasets is either vector data (that is, features which are points, lines or polygons) or raster data (that is, data in grid cells). The features in vector data can have multiple attributes with values. Raster data mostly consist of a value and a color.

How do Geo datasets relate to the Tygron Platform

Tygron Platform loading screen showing several of the data connections

The Tygron Platform uses Geo data (vector and raster data) for building up a new project. For this, the Tygron Platform automatically connects to (Open) Datasets, based on the availability of the data for the chosen location of the project. For example the Base Registers in the Netherlands and Open Street Maps worldwide. A principle that generally applies: if your project lacks certain information, then it is not available in the used datasets.
For more information on which data is used for your generating your project, see the project sources page. To add missing Geo data you can add additional Geo data manually (see below for options).

When to use your own data

  • The project takes place in a location for which there are no data sources available to create the project
  • The default data sources are not accurate or up-to-date enough
  • The default datasets are not detailed enough
  • To do a more extended analysis in the Tygron Platform
  • To use in combination with an Excel Indicator or Panel
  • For creating more overview in your project, for example by highlighting areas

In these situations, it might be useful to overwrite or import data.

View Geo data

To show Geo data in other software, such as a GIS, options are:

  • the Overlays can be obtained through a WMS URL. See the WMS page for more information and steps.
  • the Buildings can be obtained through a WFS URL. See the WFS page for more information and steps.

See also

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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