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‎_posts/user_guide_python/2015-06-30-bar_chart_stream.html

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@@ -22,7 +22,7 @@ <h2 id="Streaming-Bar-Chart-Demo">Streaming Bar Chart Demo<a class="anchor-link"
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</div>
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<div class="cell border-box-sizing code_cell rendered">
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<div class="prompt input_prompt">In&nbsp;[4]:</div>
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<div class=" highlight hl-ipython2"><pre><span class="kn">import</span> <span class="nn">plotly.plotly</span> <span class="kn">as</span> <span class="nn">py</span>
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<span class="kn">import</span> <span class="nn">numpy</span> <span class="kn">as</span> <span class="nn">np</span>
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<span class="n">stream_id</span> <span class="o">=</span> <span class="s">&#39;qoy4tt6x9w&#39;</span> <span class="c">#this is the streaming token associated the account `kevintest`</span>
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<span class="n">stream_id</span> <span class="o">=</span> <span class="s">&#39;jkc6d90yfw&#39;</span>
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<span class="c"># We can generate a new stream ob</span>
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<span class="c"># We can generate a new stream id object</span>
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<span class="n">stream</span> <span class="o">=</span> <span class="n">Stream</span><span class="p">(</span>
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<span class="n">token</span><span class="o">=</span><span class="n">stream_id</span><span class="p">,</span>
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<span class="n">maxpoints</span><span class="o">=</span><span class="mi">80</span>
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</div>
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<div class="input">
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<div class="prompt input_prompt">In&nbsp;[11]:</div>
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<div class=" highlight hl-ipython2"><pre><span class="c">#A simple bar chart object is generated</span>
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</div>
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<div class="input">
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<div class="prompt input_prompt">In&nbsp;[6]:</div>
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<div class="prompt input_prompt">In&nbsp;[&nbsp;]:</div>
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<div class=" highlight hl-ipython2"><pre><span class="n">py</span><span class="o">.</span><span class="n">plot</span><span class="p">(</span><span class="n">fig</span><span class="p">,</span> <span class="n">filename</span><span class="o">=</span><span class="s">&#39;bar_stream&#39;</span><span class="p">)</span> <span class="c">#post this plot up onto the plotly servers</span>
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<div class=" highlight hl-ipython2"><pre><span class="n">py</span><span class="o">.</span><span class="n">plot</span><span class="p">(</span><span class="n">fig</span><span class="p">,</span> <span class="n">filename</span><span class="o">=</span><span class="s">&#39;bar-chart-streaming&#39;</span><span class="p">)</span> <span class="c">#post this plot up onto the plotly servers</span>
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<div class="output_wrapper">
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<pre>u&apos;https://plot.ly/~kevintest/236&apos;</pre>
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</div>
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<div class=" highlight hl-ipython2"><pre><span class="c">#Now a Stream object is created w/ the same stream_id as the stream id object associated with our bar chart</span>
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<div class=" highlight hl-ipython2"><pre><span class="c">#Now a Stream object is created w/ the same stream_id as the stream id object</span>
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<span class="n">s</span> <span class="o">=</span> <span class="n">py</span><span class="o">.</span><span class="n">Stream</span><span class="p">(</span><span class="n">stream_id</span><span class="p">)</span>
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<span class="n">s</span><span class="o">.</span><span class="n">open</span><span class="p">()</span> <span class="c">#open a connection to start writing to the plot</span>
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<span class="n">s</span><span class="o">.</span><span class="n">open</span><span class="p">()</span>
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<div class=" highlight hl-ipython2"><pre><span class="n">i</span> <span class="o">=</span> <span class="mi">0</span> <span class="c"># a counter</span>
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<span class="n">N</span> <span class="o">=</span> <span class="mi">2000</span> <span class="c"># number of points to be plotted</span>
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<span class="k">while</span> <span class="n">i</span><span class="o">&lt;</span><span class="n">N</span><span class="p">:</span>
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<span class="n">i</span> <span class="o">+=</span> <span class="mi">1</span>
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<div class=" highlight hl-ipython2"><pre><span class="k">while</span> <span class="bp">True</span><span class="p">:</span>
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<span class="n">s</span><span class="o">.</span><span class="n">write</span><span class="p">(</span><span class="nb">dict</span><span class="p">(</span><span class="n">x</span><span class="o">=</span><span class="p">[</span><span class="s">&#39;one&#39;</span><span class="p">,</span><span class="s">&#39;two&#39;</span><span class="p">,</span><span class="s">&#39;three&#39;</span><span class="p">,</span><span class="s">&#39;four&#39;</span><span class="p">,</span><span class="s">&#39;five&#39;</span><span class="p">],</span> <span class="n">y</span><span class="o">=</span><span class="n">np</span><span class="o">.</span><span class="n">random</span><span class="o">.</span><span class="n">random_integers</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span><span class="mi">100</span><span class="p">,</span><span class="mi">5</span><span class="p">)))</span>
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<span class="n">time</span><span class="o">.</span><span class="n">sleep</span><span class="p">(</span><span class="mi">1</span><span class="p">)</span> <span class="c">#wait one second before plotting again</span>
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<span class="n">time</span><span class="o">.</span><span class="n">sleep</span><span class="p">(</span><span class="mf">0.2</span><span class="p">)</span> <span class="c">#wait one second before plotting again</span>
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<span class="n">s</span><span class="o">.</span><span class="n">close</span><span class="p">()</span> <span class="c">#close the stream</span>
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<span class="n">s</span><span class="o">.</span><span class="n">close</span><span class="p">()</span> <span class="c">#close the stream</span>
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<div class=" highlight hl-ipython2"><pre><span class="n">tls</span><span class="o">.</span><span class="n">embed</span><span class="p">(</span><span class="s">&#39;https://plot.ly/~kevintest/236/bar-chart-streaming/&#39;</span><span class="p">)</span>
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<div class=" highlight hl-ipython2"><pre><span class="n">tls</span><span class="o">.</span><span class="n">embed</span><span class="p">(</span><span class="s">&#39;https://plot.ly/~streaming-demos/112/bar-chart-streaming/&#39;</span><span class="p">)</span>
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<iframe id="igraph" scrolling="no" style="border:none;" seamless="seamless" src="https://plot.ly/~kevintest/236.embed" height="525" width="100%"></iframe>
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<iframe id="igraph" scrolling="no" style="border:none;" seamless="seamless" src="https://plot.ly/~streaming-demos/112.embed" height="525" width="100%"></iframe>
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‎_posts/user_guide_python/bar_chart_stream.ipynb

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" \n",
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"import numpy as np \n",
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"stream_id = 'qoy4tt6x9w' #this is the streaming token associated the account `kevintest`\n",
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"stream_id = 'jkc6d90yfw' \n",
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"# We can generate a new stream ob\n",
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"# We can generate a new stream id object\n",
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"execution_count": null,
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"u'https://plot.ly/~kevintest/236'"
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"outputs": [],
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"py.plot(fig, filename='bar_stream') #post this plot up onto the plotly servers"
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"py.plot(fig, filename='bar-chart-streaming') #post this plot up onto the plotly servers"
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},
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"i = 0 \n",
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"N = 2000 \n",
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"\n",
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"\n",
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"while i<N: \n",
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" i += 1 \n",
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"while True: \n",
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" time.sleep(1) #wait one second before plotting again\n",
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" time.sleep(0.2) #wait one second before plotting again\n",
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"s.close() #close the stream"
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"s.close() #close the stream"
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"execution_count": 15,
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"text/html": [
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"<iframe id=\"igraph\" scrolling=\"no\" style=\"border:none;\" seamless=\"seamless\" src=\"https://plot.ly/~kevintest/236.embed\" height=\"525\" width=\"100%\"></iframe>"
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"<iframe id=\"igraph\" scrolling=\"no\" style=\"border:none;\" seamless=\"seamless\" src=\"https://plot.ly/~streaming-demos/112.embed\" height=\"525\" width=\"100%\"></iframe>"
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"source": [
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"tls.embed('https://plot.ly/~kevintest/236/bar-chart-streaming/')"
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"tls.embed('https://plot.ly/~streaming-demos/112/bar-chart-streaming/')"
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