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+===================
+``cumulative_flow``
+===================
+
+.. image:: img/smaller/cumulative-flow.png
+
+**Description**
+
+Cumulative chart using `jqPlot <http://www.jqplot.com/>`_ library. Allows to
+display up to seven plots on a single chart.
+
+**Content**
+
+::
+
+  data = {
+      "title": "<title>",
+      "series_list": [{"label": "<label1>", "series": [<val1>, <val2>, ...]},
+                      {"label": "<label2>", "series": [<val1>, <val2>, ...]}]
+  }
+
+where:
+
+.. describe:: title
+
+   Title to be displayed above the labels.
+
+.. describe:: series_list
+
+   A container (i.e. list of objects) for the data; each such object
+   corresponding to a single plot consists of two keys: ``label`` and
+   ``series``, where the latter is a list of values constructing the plot.
+
+Example::
+
+  curl http://localhost:7272/api/v0.1/<api_key>/push
+       -X POST
+       -d "tile=cumulative_flow"
+       -d "key=<tile_id>"
+       -d 'data={"title": "My title:",
+                 "series_list": [{"label": "label 1", "series": [ 0, 0, 0, 0, 1, 1, 2, 2, 1, 1, 1, 0, 0, 2, 0 ]},
+                                 {"label": "label 2", "series": [ 0, 5, 0, 0, 1, 0, 0, 3, 0, 0, 0, 7, 8, 9, 1 ]}]}'
+
+**Configuration**
+
+::
+
+  value = {"ticks": [[<key>, "<value>"], [<key>, "<value>"], ... ]}
+
+where:
+
+.. describe:: ticks
+
+   List of elements defining x-axis; each such element is a list of form ``[k,
+   v]`` where ``k`` is an oridinal number designating position of such tick and
+   ``v`` is a string which will be displayed in that place.
+
+Example::
+
+    curl http://localhost:7272/api/v0.1/<api_key>/tileconfig/<tile_id>
+        -X POST
+        -d 'value={"ticks": [[1, "mon"], [2, "tue"], [3, "wed"], [4, "thu"], [5, "fri"], [6, "sat"], [7, "sun"]]}'
+
+.. note::
+
+   If ``series_list`` contains more than one object (which is the case 99% of
+   the time), each one of them should have ``series`` list of the same length -
+   and this lenght should be equal to the number of ``ticks``.