A heat map is a graphical representation of measured values in which they are displayed in a grid. The color of the data depends on the measured value.
Widget control elements
Context menu
Lets you select a date range, or download the data in various formats.Hovering over a box
Shows a coaster detailing the measurement for that time and date.
Widget configuration panel
In the widget selection panel, click on Heatmap. A new panel will appear where you can configure the widget.
Heat map data
Fill in the fields below:
Fake data
Generates a set of simulated data, useful for configuring widgets when the sensor is not yet sending measurements.Computed measurement
If enabled, you can use a formula to determine the value shown.DataSource
Where the data comes from.Sensor
What data you want to display.Aggregation
The aggregation of the incoming data:MIN: shows the minimum value.
MAX: shows the maximum value.
SUM: calculates the sum of all values.
AVG: calculates the average value.
COUNT: counts the number of values.
FIRST: shows the first value.
LAST: shows the last value.
DIFF: calculates the difference between the first and last value.
Label
A description displayed when hovering over a value.Decimals
Up to how many decimal places the measured value should be rounded to.Unit of measurement
The unit for the measured value.
Click Next to go to Heat map settings.
Heat map settings
Fill in the fields below:
Title
A title or description for the widget.Widget width
The width of the widget, as a factor of the total screen width.Height
The height of the widget in pixels.Text color
Click on the drop icon to choose a color for the shown value.Minimum color
Click on the drop icon to choose a color for the lowest value.Maximum color
Click on the drop icon to choose a color for the highest value.Minimum value (optional)
If specified, limits the lowest value to this value.Maximum value (optional)
If specified, limits the highest value to this value.Order
The position on the dashboard.Refresh in seconds
Leave this at the default.Show label: Data
If enabled, the values are displayed in each box.Show label: X-axis
If enabled, the legend for the X-axis will be displayed.Show label: Y-axis
If enabled, the legend for the Y-axis will be displayed.Folow date range
If enabled, data is shown for the time span selected in the dashboard.Always show last 7 days
If enabled, data is shown for the last 7 days.
Click Save to add the widget to the dashboard.