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Move parser and vector layer into related functions

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This commit is contained in:
Adam Goldsmith 2018-07-19 13:18:41 -04:00
parent 1aa1852b2d
commit 90d8bf05cc
1 changed files with 16 additions and 15 deletions
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31
src/map.js
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@ -15,18 +15,12 @@ import {APRSParser} from 'aprs-parser';
import icon from "./arrow.png"; import icon from "./arrow.png";
let parser = new APRSParser();
let tile_layer = new TileLayer({source: new OSM()}); let tile_layer = new TileLayer({source: new OSM()});
let vector_layer = new VectorLayer({
source: new VectorSource()
});
let map = new olMap({ let map = new olMap({
target: 'map', target: 'map',
layers: [ layers: [
tile_layer, tile_layer
vector_layer
], ],
view: new View({ view: new View({
center: fromLonLat([-72.15, 43.90]), center: fromLonLat([-72.15, 43.90]),
@ -79,7 +73,11 @@ function pathStyle(feature) {
} }
function plotPaths(packets) { function plotPaths(packets) {
let vector_layer = new VectorLayer({source: new VectorSource()});
map.addLayer(vector_layer);
packets packets
.filter(packet => packet.date > new Date("2018-07-14") && packet.date < new Date("2018-07-15"))
// filter by callsign // filter by callsign
.filter(packet => (packet.from !== undefined) && .filter(packet => (packet.from !== undefined) &&
(packet.from.toString() === "W1HS-9")) (packet.from.toString() === "W1HS-9"))
@ -107,13 +105,16 @@ function plotPaths(packets) {
}); });
} }
let packets = packetLog.split("\n") function parsePackets(packetLog) {
// restrict to just prouty times let parser = new APRSParser();
.filter(line => { return packetLog.trim().split("\n")
let date = new Date(line.slice(0,18)); // parse to Date and APRS packet
return date > new Date("2018-07-14") && date < new Date("2018-07-15"); .map(line => {
}) let packet = parser.parse(line.slice(29));
// parse to APRS packet packet.date = new Date(line.slice(0,18));
.map(line => parser.parse(line.slice(29))); return packet;
});
}
let packets = parsePackets(packetLog);
plotPaths(packets); plotPaths(packets);