Trend
The Trend page provides a flexible chart for visualizing your data. Data from multiple Tags can be displayed on the chart, and the time period from which the data are collected can be adjusted. The resulting trend view can be saved as a Report which can be retrieved later or saved to file.
![Trend](/trend-view.png)
Getting started
The trend window is by default blank when entering the Trend page. In order to start viewing your data, you can either add individual tags or load a previously saved Report.
Adding tags to the chart
Multiple Tags can be added to the chart in order to view their data. This is done by selecting one or more Tags (max 5) from the multiselect “TAGS” tree view dropdown list.
![Adding tags](/tag-list.png)
Change time period
Tag data can be displayed in the chart for the selected period. You can choose the period from the dropdown “TIME” list for specified periods or choose a “Custom” period (“Today” is the initial preselected period).
![Time filter](/time-filter-trend.png)
When you choose a Custom time period, or click , a popup is shown for start and end date and time to be selected. Click “Apply” to apply the time settings in the chart.
![Custom time period](/custom_filter_screen.png)
Customize the chart
Chart displays can be customized in “Configuration” tab. Click to set parameters for various chart displays.
![Configuration](/trend_config_popup.png)
If “Show chart symbols” is applied:
![Show chart symbols enabled](/show_chart_symbols.png)
If “Show chart thresholds” is applied:
![Show chart thresholds enabled](/show_chart_tresholds.png)
If “Show events” is applied:
![Show events enabled](/show_events.png)
If “Value Axis Position” is applied:
![Value axis position enabled](/value_axis_position.png)
If “Single Time Axis” is not applied (value axis by Tag displayed):
![Single time axis disabled](/no_single_time_axis.png)
Configure trend line
Each trend line’s “Color”, “Thickness” and “Symbol” is customizable via configuration in the “Edit tag settings”.
![Edit chart tag](/edit_trend_tag_button.png)
![Edit chart settings](/edit_tag_settings.png)
Delete tags
Delete individual Tags from the chart by clicking the delete button in the chart tag.
![Delete chart tag](/tag_delete_button.png)
Reset chart
Clear the chart of all tags and trends by clicking the reset button .
Reports
Reports are collections of Tags which can be saved with their associated time period for later retrieval.
Save Report
The Save button stores all the currently selected Tags in a Report. .
Choose a unique name for your Report, and enable “Save Time Period” to save your choice of Time Period other than “Last Day”.
![Save report](/new-trend-report.png)
Load Report
Saved Reports can be loaded by clicking the “Open” button . The “Load Report” popup lets you select the Report you want to load from a list of saved reports. Click “Load” to retrieve the selected Report. Click “Delete” to delete chosen report.
![Load report](/load-trend-report.png)
Edit Report
If you edit a loaded Report and if you want to save it, you will get access to the “Overwrite” option in the popup from Fig 14. This overwrites the currently selected Report.
![Overwrite report](/overwrite-option.png)
![Save report as new](/save-as-new-report.png)
Export chart data
Chart data can be exported as JSON, CSV, XLSX, HTML, PDF.
![Chart data menu](/chart_data_menu.png)
![Chart image menu](/chart_image_menu.png)