> For the complete documentation index, see [llms.txt](https://docs.videc.de/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.videc.de/june5-3.7/en/webanwendung/sichten/batch-objekt/batch-vergleich.md).

# Batch Comparison

If a unit batch and a reference batch are selected, the main area "*Comparison*" is activated above.

In this area three diagrams are displayed. These are labeled A, B, and C. The diagram

* A represents the selected unit batch,
* B represents the selected reference batch (but time-adjusted to the unit batch),
* C represents the difference of the lines of A and B, respectively, the difference of the two batches.

When comparing batches, in diagram C (difference curve - delta) *linear* *interpolation* is applied!

## Setting Options

When comparing you have the following options:

* Select comparison type (Start, End, Stretch)
* Time reference on the X-axis (Absolute or Relative)
* Value consideration (Abs A-B, A-B, B-A, Abs A-AbsB)
* Show steps (Steps are only shown with absolute time reference!)
* Full screen display (Entire container or diagrams individually)

{% hint style="info" %}
Functions like **Select Comparison Type**, **Time Reference on the X-axis**, **Value Consideration**, and **Show Steps** are **disabled** during zoom!
{% endhint %}

### Comparison Type

There are three different comparison types. Start, End, and Stretch. By default, the "*Start*" option is selected. In all three options, the intention is to transform the reference batch into the time of the unit batch in order to determine the difference of the two batches. The curves are placed and stretched at the beginning or end according to the selection.

![Reference UnitBatch](/files/ufbkmfUvv6sYSPKkbzsH)

### Time Reference (X-Axis)

With this setting, the values on the X-axis are displayed, depending on the selection, in absolute or relative form. By default, the "*Absolute*" option is selected. If the Relative option is selected, in all three diagrams on the X-axis, 0s (seconds) is started.

### Value Consideration

In value consideration, the method of difference calculation is determined. The following options are available:

| Abs(A-B)        | Absolute value of A minus B             |
| --------------- | --------------------------------------- |
| A-B             | A minus B                               |
| B-A             | B minus A                               |
| Abs(A) - Abs(B) | Absolute value A minus Absolute value B |

By default, the "*Abs(A-B)*" option is selected.

### Show Steps

With this setting, the corresponding steps for the unit batch and reference batch can be switched on or off for the respective diagram. To facilitate the recognition of successive steps, two colors (green and yellow) are pre-configured. These are displayed alternately in the diagram, depending on the number of steps.

### Full Screen Display

With this setting, either the entire container (all three diagrams) or each diagram individually can be displayed in full screen mode.


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