What is the best approach for visualizing geo location data (e.g. polyline, polygon layers geo data in a leaflet app) with Context Broker: get the data directly from context broker or using something like geoserver between context broker and the data visualization?
Thanks.
It is difficult to decide what is a "best" approach as it will depend on your use case. Several options present themselves:
Read NGSI entities direct from Orion and create your own code to display locations on the map - this is the bespoke approach used in the Step-by-step tutorials - https://github.com/FIWARE/tutorials.S...
Abstract the reading of context data into a widget of some sort - such as described by jmcantera: https://github.com/jmcanterafonseca/l...
Use a pre-existing Wirecloud widget which collates NGSI data via an NGSI proxy - see: https://github.com/FIWARE/tutorials.A...
Display a fully interactive analytical business intellegence layer via Knowage https://knowage-suite.readthedocs.io/...
These run from the simple to the complex and are increasingly flexible as you go down the list.
you can get the data directly from Orion and then use Leaflet or any other Geo Visualization Library. I did some work in the past that might be outdated but can serve you as an starting point
Asked: 2019-10-19 18:07:40 +0200
Seen: 1,803 times
Last updated: Oct 22 '19
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The best approach for visualizing geo-location data with Context Broker will depend on the complexity and scale of your use case, as well as the level of customization required for your visualization.