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Wolfram Language: Create a daily map from Bouncie API webhook data
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| (* | |
| Requires creation of a webhook on https://bouncie.dev to post to an Apache CouchDB database exposed to the Internet. | |
| Substitute '6984' as the port number if you prefer a secure connection after setting up SSL according to the Apache | |
| CouchDB Instructions. | |
| The 'tripData' view used here to retrieve just tripData entries is as follows in CouchDB: | |
| function (doc) { | |
| if (doc.eventType == 'tripData') | |
| emit(doc.data, null); | |
| } | |
| The variables 'Yesterday' and 'Today' are built into the Wolfram Language and do not need to be defined elsewhere; | |
| but to avoid an error with conflicting date/time granularities, the 'Instant' option *must* be specified. | |
| *) | |
| data = Import["http://<your server name>:5984/bouncie/_design/tripData/_view/tripData?include_docs=true", "RawJSON"][["rows", All, "doc", "data"]] // Flatten // | |
| Select[DateObject[#timestamp] >= | |
| DateObject[Yesterday, "Instant"] && | |
| DateObject[#timestamp] < DateObject[Today, "Instant"] &] // | |
| SortBy[#timestamp &]; | |
| tb = Table[ | |
| GeoPosition[{data[[i, "gps", "lat"]], | |
| data[[i, "gps", "lon"]]}], {i, Length[data]}]; | |
| tb = DeleteCases[tb, GeoPosition[{_Missing, _Missing}]]; | |
| tb = DeleteCases[tb, GeoPosition[{0, 0}]]; | |
| img = GeoListPlot[ | |
| tb, | |
| Joined -> True, | |
| PlotMarkers -> None, | |
| PlotStyle -> Thin, | |
| ImageSize -> Large, | |
| GeoBackground -> "StreetMap", | |
| PlotLabel -> | |
| "Bouncie App Vehicle Locator \[Bullet] " <> | |
| DateString[Yesterday, "Date"] | |
| ]; | |
| Export["~/Downloads/bouncie.png", img, "PNG"] |
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