Create Visualization

Visualizations display aggregate data in a variety of options. Following includes examples on setting up some data presentations.

To access visualization functions:

1. Go to APPS :: NODEGRID DATA LAKE :: EXPLORER.
2. Click the Hamburger icon (left side) to display the drop-down menu. On the drop-down, click Visualize.
   
3. This displays the Visualizations panel (lists table of current visualizations). The Pencil icon (right side) opens the Edit panel. 
4. To edit an existing visualization, click the Pencil icon (Actions column), edit details, and update.
5. To create a new visualization, click Create Visualization (displays dialog). 
6. Click the visualization to be created. On the dialog, enter specifications and details.
7. When done, click Update. If there is an error, a red border displays around the error item. Fix the error and click Update.
8. If needed, click Discard to abandon the process.

Line Charts

Line Charts visualize data points along a line graph.

Create a Single or Multi-Line Chart (Configuration Example)

1. On the Visualization panel, click Create visualization (displays dialog). 
2. Click the Line icon (displays dialog). 
3. On the dialog, click *_monitoring_* (displays dialog). 
4. To select the data points to visualize, enter a search expression, and click Update. 
5. In the Metrics section, click Y-Axis arrow. 
6. On the Aggregation drop-down, under Metric Aggregations section, select Average . In Field drop-down, select value. Click Update. 
7. In Buckets section, click Add. On ADD BUCKET dialog, click X-axis. 
8. On Aggregation drop-down, select Date Histogram. Accept Field and Interval defaults. Click Update. 
   
9. Example graph is displayed. 
10. To split the values on individual lines, on Buckets, click Add. On ADD SUB-BUCKET dialog, click Split series. 
11. On the sub-aggregation drop-down, select Terms. 
12. On Field drop-down, select the item tplugininstance.keyword. 
13. Click Update (graph shows the split aggregation). 
14. On the Toolbar, click Save (upper right corner). 
15. On the Save visualization dialog, enter a Title and Description. Click Save.