Heatmap Widget
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The Heatmap Widget is a newly released feature for the Datacake IoT platform. It is available for both device dashboards and workspace dashboards and provides a visual representation of data over time using color gradients. This document outlines how to set up and configure the Heatmap Widget.
What is better than 1000 words? Correct, a video!
To add the Heatmap Widget to your dashboard:
Enable Edit Mode: Open your dashboard and activate the edit mode.
Add a New Widget: Click on "Add Widget".
Select Heatmap Widget: Scroll down and select the "Heatmap" widget.
Configure Basic Settings:
Enter a Title for the widget.
Provide translations (optional).
Select Data Sources:
Choose the device fields to display.
Example: Select Temperature, Max Temperature, and Min Temperature.
Save Configuration to apply the changes.
Open the widget Configuration.
Click on "Timeframe".
Choose between:
Hourly: Each cell represents an hour.
Daily: Each cell represents a day.
Adjust the number of cells:
Example: Set to 14 days to show the last 14 days of data.
If data storage is limited (e.g., 7 days), older cells will appear empty.
Cell Size:
Small: Ideal for large datasets.
Normal: Displays numeric values inside the cells.
Custom Colorization:
Define specific thresholds for color mapping.
Example:
-10°C = Blue (Cold)
15°C = Green (Moderate)
35°C = Red (Hot)
Adjust values as needed to improve readability.
The Heatmap Widget can also be used in Workspace Dashboards:
Navigate to a Workspace Dashboard.
Add the Heatmap Widget following the same steps as for device dashboards.
Add Multiple Devices:
Example: Weather stations from different cities (Athens, Barcelona, Berlin, Milan, Seville, Marrakesh, etc.).
Each row represents a location with its respective temperature data.
Configure Timeframe and Appearance:
Example: Set to 7 days, normal cell size, and daily timeframe.