|
[{"id":"457c4f87.2929b8","type":"inject","name":"","topic":"","payload":"","repeat":"","crontab":"*/30 * * * *","once":false,"x":134.16666889190674,"y":103.16669178009033,"z":"9e3ede37.ad0aa","wires":[["c61a00d1.df899"]]},{"id":"c61a00d1.df899","type":"http request","name":"","method":"GET","url":"http://www.swpc.noaa.gov/wingkp/wingkp_list.txt","x":259.1666603088379,"y":159.16669178009033,"z":"9e3ede37.ad0aa","wires":[["95cf58eb.ad865"]]},{"id":"2741b193.92e1ce","type":"debug","name":"","active":true,"complete":"false","x":645.1667060852051,"y":104.1666841506958,"z":"9e3ede37.ad0aa","wires":[]},{"id":"95cf58eb.ad865","type":"function","name":"parse NOAA kp log","func":"var lat = 51.05;\n\n// first output is the current kp value\n// second is whether it is likely to be visible from your latitude\n// ( on a clear night etc etc )\n\nvar lines = msg.payload.split(\"\\n\");\nvar last = lines[lines.length - 2];\nlast = last.replace(/\\s{2,}/g, ' ');\nvar bits = last.split(\" \");\nvar status = Number(bits[4]);\nvar kp = Number(bits[bits.length - 1]);\n\nvar visible = false;\nvar edge = 3;\nif (lat >= 60) edge = 3;\nelse edge = (60-lat)/2 + 3;\n\nif (kp > edge) visible = true;\nif (lat < 45) visible = false;\n\nmsg = { payload:kp };\nmsg2 = { payload:visible };\n\nif (status <= 1) return [msg,msg2];\nreturn null;","outputs":"2","x":419.1666793823242,"y":103.1666841506958,"z":"9e3ede37.ad0aa","wires":[["2741b193.92e1ce"],["8b774bee.d4c848"]]},{"id":"1e6719b0.ce9ba6","type":"comment","name":"Idea shamelessly copied from http://blog.riyas.org/2014/01/raspberry-pi-as-northern-light-forcast.html?m=1","info":"","x":406.1666564941406,"y":61.166669845581055,"z":"9e3ede37.ad0aa","wires":[]},{"id":"8b774bee.d4c848","type":"debug","name":"","active":true,"complete":"false","x":647.1667060852051,"y":148.1666774749756,"z":"9e3ede37.ad0aa","wires":[]}] |