Click the Calculation button 
on the left-side menu of the Metering app to open the Calculation page. This page is opened by default, when starting the Metering app.
Content
The page consists of two areas:
- On the left hand side the cost center plan or the project tree appears.
- On the right hand side the calculation chart appears.
Views
This page has two view modes:
- Project tree view
- Cost Center Plan view
Project tree view
This is the default view. The left hand side shows the project tree, including trendings, and an empty calculation chart appears on the right hand side.
Use this view to
- create folders and new calculation charts.
- show previously created calculation charts.
- add trendings to the calculation chart.
Cost Center Plan
The left hand side shows the cost center plan and on the right hand side, again, an empty calculation chart appears.
Use this view to add a meter, a cost center or the whole cost center plan to the calculation chart on the right hand side. To add an element to the calculation chart, select it in the cost center plan and drag it on the calculation chart with the mouse.
Calculation chart
Refer to Create calculation chart how to edit a calculation chart.
Data representation
For good readabilty of the chart, the data is submitted to data binning depending on the length of the selected time period:
| time period | bin size |
|---|---|
| day | 1 hour |
| week | 1 day |
| month | 1 day |
| year | 1 month |
Diffenrent kinds of data are shown at their respective time related to the bin:
| data | time related to bin | value |
|---|---|---|
| meter / meter reading | start-of-bin | last known meter reading at the given point in time |
| meter / consumption | mid-of-bin | consumption during the period of the given bin |
| trending | mid-of-bin | value of the trending data after being processed by the configured aggregation function |
Navigation
Within the calculation chart
- zoom in and zoom out using the mouse wheel.
- drag the chart with the mouse to view another time period.