主要版本

src/render/api/util.js

@@ -0,0 +1,113 @@
+import { Helpers } from 'nmea'
+
+const getPosition = (nmea) => {
+  if (!nmea) return
+
+  const { RMC } = nmea
+  const position = { lng: Helpers.parseLongitude(RMC.lon, RMC.lonPole), lat: Helpers.parseLatitude(RMC.lat, RMC.latPole) }
+
+  return position
+}
+
+const getBaseInfo = (nmea) => {
+  if (!nmea) return
+
+  const { RMC, GGA } = nmea
+  try {
+    const longitude = (!RMC.lon || !RMC.lonPole) ? '' : Helpers.parseLongitude(RMC.lon, RMC.lonPole)
+    const latitude  = (!RMC.lat || !RMC.latPole) ? '' : Helpers.parseLatitude(RMC.lat, RMC.latPole)
+    const altitude	= GGA.alt + GGA.altUnit
+    const date      = (!RMC.date) ? '' : '20' + RMC.date.slice(4, 6) + '-' +  RMC.date.slice(2, 4) + '-' +  RMC.date.slice(0, 2)
+    let UTCTime = '', BJTime = ''
+    if (RMC.timestamp) {
+      const hour   = parseInt(RMC.timestamp.slice(0, 2))
+      const bjHour = (hour + 8) % 24
+      UTCTime	     = hour.toString().padStart(2, '0')   + ':' +  RMC.timestamp.slice(2, 4) + ':' +  RMC.timestamp.slice(4, 6)
+      BJTime	     = bjHour.toString().padStart(2, '0') + ':' +  RMC.timestamp.slice(2, 4) + ':' +  RMC.timestamp.slice(4, 6)
+    }
+
+    const baseInfo = { longitude, latitude, altitude, date, UTCTime, BJTime }
+    return baseInfo
+  } catch (error) {
+    console.error(error);
+  }
+}
+
+const getSNROption = (nmea) => {
+  if (!nmea) return
+
+  const { GSV, GSA } = nmea
+  const GSVArr = GSV.filter((gsv) => gsv.talker_id === 'BD')
+  const GSAArr = GSA.filter((gsa) => gsa.talker_id === 'BD')
+
+  try {
+    let yAxis_data = [], series_data = []
+    const in_positioning_id = get_in_positioning_id(GSAArr)
+
+    GSVArr.forEach(({ satellites }) => {
+      satellites.forEach(({ id, SNRdB }) => {
+        yAxis_data.push(id)
+        if (in_positioning_id.indexOf(parseInt(id)) < 0) {
+          series_data.push([SNRdB, id, false])
+        } else {
+          series_data.push([SNRdB, id, true])
+        }
+      });
+    });
+    
+    const SNROption = {
+      yAxis: {
+        data: yAxis_data
+      },
+      series: [{
+        data: series_data
+      }]
+    }
+    
+    return SNROption
+  } catch (error) {
+    console.error(error);
+  }
+}
+
+const getPlanisphereOption = (nmea) => {
+  if (!nmea) return
+
+  const { GSV, GSA } = nmea
+  const GSVArr = GSV.filter((gsv) => gsv.talker_id === 'BD')
+  const GSAArr = GSA.filter((gsa) => gsa.talker_id === 'BD')
+
+  try {
+    let data = []
+    const in_positioning_id = get_in_positioning_id(GSAArr)
+
+    GSVArr.forEach(({ satellites }) => {
+      satellites.forEach(({ id, elevationDeg, azimuthTrue }) => {
+        if (in_positioning_id.indexOf(parseInt(id)) < 0) {
+          data.push([parseInt(elevationDeg), azimuthTrue, id, false])
+        } else {
+          data.push([parseInt(elevationDeg), azimuthTrue, id, true])
+        }
+      });
+    });
+    
+    const planisphereOption = {
+      series: [{ data }]
+    }
+    
+    return planisphereOption
+  } catch (error) {
+    console.error(error);
+  }
+}
+
+const get_in_positioning_id = (GSAArr) => {
+  let in_positioning_id = []
+  GSAArr.forEach(({ satellites }) => {
+    in_positioning_id.push(...satellites)
+  });
+
+  return in_positioning_id
+}
+
+export { getPosition, getBaseInfo, getSNROption, getPlanisphereOption }