signal stream example

bpostlethwaite · bpostlethwaite · commit bbc08772468a · 2014-03-21T13:44:14.000-04:00
diff --git a/.gitignore b/.gitignore
@@ -1,3 +1,3 @@
 node_modules
 *.log
-
+config.json
diff --git a/examples/config.json b/examples/config.json
@@ -1,5 +1,5 @@
 {
-	"user" : "",
-	"apikey" : "",
-	"token" : ""
-}
+  "user" : "",
+  "apikey" : "",
+  "token" : ""
+}
diff --git a/examples/signal-stream.js b/examples/signal-stream.js
@@ -0,0 +1,62 @@
+/* If you have not signed up for Plotly you can do so using https://plot.ly
+ * or see the example signup.js. Once you do, populate the config.json in this
+ * example folder!
+ */
+var config = require('../config.json')
+  , username = config['user']
+  , apikey = config['apikey']
+  , token = config['token']
+  , Plotly = require('../.')(username, apikey)
+  , Signal = require('random-signal')
+
+
+// build a data object - see https://plot.ly/api/rest/docs for information
+var data = {
+    'x':[]   // empty arrays since we will be streaming our data to into these arrays
+  , 'y':[]
+  , 'type':'scatter'
+  , 'mode':'lines+markers'
+  , marker: {
+      color: "rgba(31, 119, 180, 0.96)"
+  }
+  , line: {
+      color:"rgba(31, 119, 180, 0.31)"
+  }
+  , stream: {
+      "token": token
+    , "maxpoints": 100
+  }
+}
+
+// build you layout and file options
+var layout = {
+    "filename": "streamSimpleSensor"
+  , "fileopt": "overwrite"
+  , "layout": {
+      "title": "streaming mock sensor data"
+  }
+  , "world_readable": true
+}
+
+/*
+ * Call plotly.plot to set the file up.
+ * If you have included a streaming token
+ * you should get a "All Streams Go!" message
+ */
+
+Plotly.plot(data, layout, function (err, resp) {
+    if (err) return console.log("ERROR", err)
+
+    console.log(resp)
+
+    var plotlystream = Plotly.stream(token, function () {})
+    var signalstream = Signal({tdelta: 100})
+
+
+    plotlystream.on("error", function (err) {
+        signalstream.destroy()
+    })
+
+    // Okay - stream to our plot!
+    signalstream.pipe(plotlystream)
+})
diff --git a/package.json b/package.json
@@ -3,7 +3,9 @@
   "version": "0.1.7",
   "description": "Simple node.js wrapper for the plot.ly API",
   "main": "plotly.js",
-  "devDependencies": {},
+  "devDependencies": {
+    "random-signal": "0.0.2"
+  },
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1"
   },

-Original file line number
+Diff line change
@@ @@ -1,3 +1,3 @@ @@
 node_modules
 *.log
+-
 +config.json