> For the complete documentation index, see [llms.txt](https://docs.dietrichs.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.dietrichs.com/dietrichs-intelligent-documentation/docs-de-en/2d-auxiliary-geometry/bemassungen/durchmesser/durchmesserbemassung-andern.md).

# Modify Diameter Dimension

The diameter dimension can also be modified afterwards, like dimension chains, angles and elevation notes. This includes all settings from the dimension style in the upper part of the dialog box.

In the lower area of the dialog box there are settings that are only established when creating the diameter dimension. Therefore they are not related to the dimension style. The following settings can be changed there:

**Layer**: This displays the layer to which the selected diameter dimensions belong. By changing the layer, all chosen diameter dimensions are assigned to the new layer.

**Diameter dimension was created**: The program can distinguish whether a dimension originates from a file stored by the CAD program or was entered manually in the drawing program. This information is used when inserting another file into the same view window. With the program version 'Drawing Program' you can set whether the content of the view window should be completely deleted before inserting, only the elements from a file, or nothing at all. This can be manipulated by changing the assignment of individual elements here.

To modify diameter dimensions, any number of diameter dimensions (dimension arrows) can be selected at once. When multiple dimension arrows are chosen, it can quickly occur that some of the arrows have different settings for one or more options. Since the program can display only one setting per option at a time, three asterisks (\*\*\*) appear in the affected field. This immediately indicates that the selected arrows have different settings in that field. As long as you do not change the setting in such a field, the individual arrows retain their respective settings. However, once you change the setting, all selected arrows receive the new setting.


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