[STREAMPIPES-641] Improve Distance Calculator with more accuracy

• Type: Sub-task
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Fix Version/s: 1.0.0
• Labels: Subta
• Assignee: Florian Micklich
• Reporter: Florian Micklich
• Created: 19/Nov/22 18:41
• Updated: 26/Nov/22 17:56

Description

at the moment the Haversine formula is used to calculate the distance between 2 lat/lng spherical points. Using the Vincenty solutions leads to a more accurate result

https://github.com/apache/streampipes/tree/dev/streampipes-extensions/streampipes-processors-geo-jvm/src/main/java/org/apache/streampipes/processors/geo/jvm/processor/staticdistancecalculator

The distance is calculated from a static point
Berlin
lat 52.520008
lng 13.404954

city	distance_sp	distance Vincenty	alpha
Karlsruhe	524.871	525.735	-0.864
Sidney	16094.221	16088.138	6.083
Hamburg	255.306	256.015	-0.709
New York	6384.996	6402.425	-17.429

Backgroundinfo https://www.neovasolutions.com/2019/10/04/haversine-vs-vincenty-which-is-the-best/

Testdata:
City_Koords.csv