heightproperties define the width and height of your visualization area, in pixels:
tweets_nov_febdata table. The coordinates are labeled
yfor Field Reference in the
marksproperty, which references the data using the
marksproperty specifies the graphical attributes of how each data item is rendered:
tweetsdata table is rendered as a point. The
pointsmarks type includes position, fill color, and size attributes. The marks property specifies how to visually encode points according to these attributes. Points in this example are three pixels in diameter and colored blue.
marksto the visualization area.
yscales specify a
linearmapping of the continuous, quantitative input domain to a continuous output range. In this example, input data values are transformed to predefined
browser-connector.jslocated at https://github.com/omnisci/mapd-connector/tree/master/dist to include the MapD connector and Thrift interface APIs.
MapdCon()connector and set the server name, protocol information, and your authentication credentials, as described in the MapD Connector API:
connect()function generates client and session IDs for this connection instance, which are unique for each instance and are used in subsequent API calls for the session.
results.image, which you can display in the browser window using a data URI.