I’m trying to get my gps data to display on a heatmat in grafana. My GPS coordinates are coming from NMEA sentences in SignalK. They are then sent to InfluxDB and then finally to Grafana.
When editing the geomap in grafana, using the query from InfluxDB the gps never show on the map, even when selecting auto.
|> range(start: v.timeRangeStart, stop: v.timeRangeStop)
|> filter(fn: (r) => r[“_measurement”] == “navigation.position”)
|> filter(fn: (r) => r[“_field”] == “lat” or r[“_field”] == “lon”)
|> aggregateWindow(every: v.windowPeriod, fn: median, createEmpty: false)
|> yield(name: “median”)
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