The mhl-buoy-data from dylanfm

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mhl-buoy-data's Issues

Tell if a buoy is offline

When value isn't retrieved, search an additional pixel to the left

This searches back to the left from the right to locate where the data is on the graph. When 2 or more points have the same value, there's a layering. This means whatever value is beneath cannot be read. In this case, sometimes by shifting the search 1 pixel further to the left will fetch the data correctly, albeit a tiny bit earlier in time I guess.

Error in buoys worker, when parsing gif

https://bugsnag.com/errors/5125d6b3d0ae0b80248a5e02/events/newest

Feb 26 21:10:22 buoys app/scheduler.5165:  Error: Error: TypeError: Cannot read property '0' of undefined 
Feb 26 21:10:23 buoys app/scheduler.5165:      at /app/worker.coffee:34:21 
Feb 26 21:10:23 buoys app/scheduler.5165:      at parseMHLGraph (/app/node_modules/mhl-buoy-data/index.js:174:7) 
Feb 26 21:10:23 buoys app/scheduler.5165:      at parseGif (/app/node_modules/mhl-buoy-data/gif.js:364:7) 
Feb 26 21:10:23 buoys app/scheduler.5165:      at IncomingMessage.getImageData (/app/node_modules/mhl-buoy-data/gif.js:18:9) 
Feb 26 21:10:23 buoys app/scheduler.5165:      at IncomingMessage.EventEmitter.emit (events.js:126:20) 
Feb 26 21:10:23 buoys app/scheduler.5165:      at IncomingMessage._emitEnd (http.js:366:10) 
Feb 26 21:10:23 buoys app/scheduler.5165:      at HTTPParser.parserOnMessageComplete [as onMessageComplete] (http.js:149:23) 
Feb 26 21:10:23 buoys app/scheduler.5165:      at Socket.socketOnData [as ondata] (http.js:1367:20) 
Feb 26 21:10:23 buoys app/scheduler.5165:      at TCP.onread (net.js:403:27)

Image that's triggering this error: