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Example 2A: Create Map Visualization

You have connected to the CSV data source and created several transforms of the data. You are now ready to create visualizations. edgeCore includes a variety of visualization types that can present data in different ways to the user. In this exercise, you are going to create the following visualizations that can then be placed on pages to be viewed by the user:

  • A map showing all states, with indicators of whether they are on target with sales;
  • A bar chart showing the top five states by total sales;
  • A pie chart showing a breakdown of sales by region;

The states data feed that you created earlier contains all of the attributes that are needed to produce a map visualization. You can now build a map visualization directly off of that feed.

Perform the following steps to create a map visualization:

  1. Click Pipeline.
    The getting_started connection, the states feed, the region_summary transform, and the Top 5 States filter transform are displayed in the pipeline.
  2. Click the gear icon button in the states feed box.
  3. Select +, and then New Visualization.
    A pop-up for choosing a visualization is displayed.
  4. In the pop-up, select Map: Icons.
    A new page is displayed.
  5. In Visualization Name, enter State Summary.
  6. Click Next.
    You are taken to the Markers tab.
  7. On the Markers tab, do the following:
    a) From the Latitude Attribute drop-down, select Latitude.
    b) From the Longitude Attribute drop-down, select Longitude.
    c) From the Placement Type drop-down, select center.
    d) Click on pin01 to expand it and then click the Icon field.
    A pop-up is displayed.
    –  In the pop-up, in Select Category, select shape, and enter circle in the search field.
    A circle is displayed.
    –  Select the displayed circle and click Select Icon.
    The circle is displayed in the Icon field.
    e) From the Select Icon drop-down, select Highlight, and enter 16 for Size.
    f) In Color Rule Set, click {} to derive a color.
    A field for selecting a rule set is displayed.
    –  Click + to create a rule set. A new page is displayed.
    –  In Name, enter StateSalesTarget.
    –  Click Next. You are taken to the Variables tab.
    –  In Name, enter StateTarget, and select Number for Type.
    –  Click Next. You are taken to the Rules tab.
    –  Click + New twice to add two rules.
    –  For Rule 1, click + Condition, and leave StateTarget=0. Click to enter the formatter.  In the formatter pop-up,  set red for Color, and 0.9 for Alpha. Save your changes.
    –  For Rule 2, click + Condition, and make sure StateTarget=1. In the formatter, set blue for Color, and 0.9 for Alpha. Save your changes.
    – Click Save and Close. You are taken back to the Markers dialog.
    g) In Rule Sets, select StateSalesTarget, and from the StateTarget drop-down, select OnTarget.
    h) Click Next.
    You are taken to the Legend tab. No changes are needed here, so click Next to proceed. Similarly, no changes are needed on the Optional Layers tab, so click Next to go to Preview. On the Preview tab, you can observe the map showing the markers for each state.
  8. Click Save and Close.
    The State Summary map visualization is displayed in the pipeline.

For more information on Visualizations, refer to the corresponding chapter.
Additionally, if you want to learn about custom visualizations, you may do so here.

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