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Partner
Partner

WKT or GEOJson?

Hello everybody.

Qlik Sense GeoAnalytics, which format uses to show a point, polygon, multipolygon, on the map?

WKT or GeoJson?

Ex. WKT:
POINT (42.123,11.123)
POLYGON ((...
MULTIPOLYGON (((...

Ex. GeoJson:
[42.123,11.123]
[[...
[[[...

 

Can you please reference me to some official documentation?

Thank you very much, regards.

Riccardo

Riccardo Schillaci
BI Technical Analyst
Datawarehouse & Business Intelligence
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Employee
Employee

Re: WKT or GEOJson?

Hi,

The internal Sense geometries (both QGA and map chart) are using GeoJSON geometries.

  • Point - a point geometry, i.e. "[longitude,latitude]"
  • Line - a line geometry, i.e. "[[longitude,latitude],[longitude,latitude],...]"
  • Polygon - a polygon geometry, i.e. an array of closed lines or array of array of closed lines in case of multi-polygons

([long,lat] is a point, [[long1,lat1],[long2,lat2],...] is a line, [[[long1,lat1],[long2,lat2],...]] is a multi-line or a polygon with multiple rings, [[[[long1,lat1],[long2,lat2],...]]] is a multi-polygon but also accepted as a multi-line). 

"Locations Options" at https://help.qlik.com/en-US/geoanalytics/Subsystems/GeoPropertiesS/Content/qliksense/qliksense-imap_...

 

The QGA connector and GeoOperations reads and import WKT (and GeoJSON among others).

https://help.qlik.com/en-US/geoanalytics/Subsystems/GeoConnector/Content/connector/connector-geoanal...

https://help.qlik.com/en-US/geoanalytics/Subsystems/GeoOperationsService/Content/connector/connector...

Thanks,

Patric

 

View solution in original post

2 Replies
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Employee
Employee

Re: WKT or GEOJson?

Hi,

The internal Sense geometries (both QGA and map chart) are using GeoJSON geometries.

  • Point - a point geometry, i.e. "[longitude,latitude]"
  • Line - a line geometry, i.e. "[[longitude,latitude],[longitude,latitude],...]"
  • Polygon - a polygon geometry, i.e. an array of closed lines or array of array of closed lines in case of multi-polygons

([long,lat] is a point, [[long1,lat1],[long2,lat2],...] is a line, [[[long1,lat1],[long2,lat2],...]] is a multi-line or a polygon with multiple rings, [[[[long1,lat1],[long2,lat2],...]]] is a multi-polygon but also accepted as a multi-line). 

"Locations Options" at https://help.qlik.com/en-US/geoanalytics/Subsystems/GeoPropertiesS/Content/qliksense/qliksense-imap_...

 

The QGA connector and GeoOperations reads and import WKT (and GeoJSON among others).

https://help.qlik.com/en-US/geoanalytics/Subsystems/GeoConnector/Content/connector/connector-geoanal...

https://help.qlik.com/en-US/geoanalytics/Subsystems/GeoOperationsService/Content/connector/connector...

Thanks,

Patric

 

View solution in original post

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Partner
Partner

Re: WKT or GEOJson?

thank you very much

 

R.

Riccardo Schillaci
BI Technical Analyst
Datawarehouse & Business Intelligence