32 lines
978 B
Text
32 lines
978 B
Text
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var StormModel = {};
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StormModel.new = func make( LayerModel, StormModel );
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StormModel.init = func {
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me._view.reset(); # wraps removeAllChildren() ATM
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foreach (var n; props.globals.getNode("/instrumentation/wxradar",1).getChildren("storm")) {
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# Model 3 degree radar beam
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var stormLat = n.getNode("latitude-deg").getValue();
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stormLon = n.getNode("longitude-deg").getValue();
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acLat = getprop("/position/latitude-deg");
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acLon = getprop("/position/longitude-deg");
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stormGeo = geo.Coord.new();
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acGeo = geo.Coord.new();
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stormGeo.set_latlon(stormLat, stormLon);
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acGeo.set_latlon(acLat, acLon);
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var directDistance = acGeo.direct_distance_to(stormGeo);
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beamH = 0.1719 * directDistance; # M2FT * tan(3deg)
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beamBase = getprop("position/altitude-ft") - beamH;
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if (n.getNode("top-altitude-ft").getValue() > beamBase) {
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me.push( { lat: stormLat, lon : stormLon, radiusNm : n.getNode("radius-nm").getValue() } );
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}
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}
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me.notifyView();
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}
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