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Handling curves
Updated over 3 months ago

Prerequisite : be in the Curves menu of Indaba Explorer.

Select the metric(s) you want to display.

The curve is displayed in the centre of the page.

To optimise the graph size, you can click on the treeview button to hide the treeview.

Refreshing the values

In the top toolbar, you can set the values to automatically refresh and specify the time in seconds between updates

Note : if you switch windows in your browser, or change the start and end dates of the chart, automatic refresh is deactivated.

To refresh the data once, click on the highlighted button:

Configuration of the data period

You can change display period of the metric data. There are several possibilities:

  • Last hour

  • Last day

  • Last month

  • Last year

  • Custom (enter the desired start and end dates)

The graph updates as soon as the period is selected.

When you are in a Customised period, you can navigate through time, using the left and right arrows.

Zoom option

On the graph, at the top right, there are two buttons to Zoom in / Zoom out.

This allows you to change the start and end dates.

Note : when you click on the zoom buttons, the graph automatically switches to the Customised period.

Saving the displayed graph as an image

The button in the upper right corner allows you to save the graph currently on the screen as an image.

Viewing the values of the displayed curves

A button at the top right allows you to display the list of the displayed metrics values.

Note : to return to the graph view, you can click on the

button.

You can export this data into an Excel file.

To do this, click the "Export Excel" button :

An Excel file containing the data shown on the graph is downloaded :

Configuration of curves

To access configuration of the curves, click on the following button :

The control panel is displayed. It contains 4 tabs:

  • Charts

  • Scales

  • Thresholds

Once you have configured all the desired values, click on Confirm all configurations.

Note : the confirm button saves the settings made on all the tabs of the control panel.

Chart tab

In this tab, you can make several changes to the configuration of your charts.

  • change the name of the displayed metric (this changes the legend)

  • change the aggregation type : When you choose “None”, the raw values will be displayed. When you choose “Automatic”, the system optimises the display of the curve. If too many points are returned for the display, then an average aggregation will be automatically be applied to display the values.

  • the colour of the curve on the graph

  • the type of display

    • curve

    • histogram

    • scatter graph

  • interpolated display (the curve is marked from point to point) or a stepped display

Example of an interpolated curve :

And the same curve as a stepped line graph :

In the Actions column, you can duplicate or delete a chart.

Filtering Data

You can filter the data displayed on a chart.

To do so, in the Actions column, click on the arrow highlighted below :

An input field appears below the metric name, allowing you to specify the data filter to apply :

To specify a data filter, you must follow the syntax below :

  • The data will be named 'value'.

  • The allowed operators are: >, >=, <, <=, +, *, /, (, ), AND, OR.

For example, if you only want to display the data greater than 20, you need to enter :

value > 20

Another example, if you only want to display the values between 20 and 60, you need to enter :

value > 20 and value < 60

Once your filter is entered, click on "Confirm all settings".

Only the metric values between 20 and 60 will be displayed in the chart.

Note : If there is an incorrect entry, the configuration will not be validated, and the following error message will appear :

Scales tab

In this tab, you can set the minimum and maximum values that you want to display on the chart. Therefore you can hide part of the curve :

Before configuring the values :

Configured values : Min= 10 and Max=30

Note : If you want to set 0 as the minimum value, you will need to set a margin value greater than 0.

The Step field allows you to choose the interval between the marks on the y-axis. For example, the previous curve with a "Step" of 2 :

The cross button allows you to return to the initial configuration

Thresholds tab

In this tab, you can set thresholds that will be displayed on your graph.

By default, there is no threshold.

Click on the New threshold button :

Configuration fields will appear, allowing you to define the new threshold.

Start by selecting the axis for which you want to create a threshold.

Name your threshold :

Then, indicate the position where you would like the threshold label to appear on your chart:

  • at the beginning :

  • in the middle :

  • in the end :

You can then configure the definition of your threshold by clicking on the button representing the threshold :

Specify :

  • dotted or straight line :

  • threshold position : horizontal or vertical

  • Threshold value : the value where the threshold line will be drawn

    Example below with the value "30" :

Once all the settings are complete, click on "Confirm all settings".

Graph reset

To reset the graph (reset of periods and deletion of selected metrics), use the Bin button

Tip : The URL can be copied and shared: all the settings will be kept.

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