GFem language documentation -- 4.2 The options

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## 4.2 The options

As you have certainly felt FreeFEM is not user-friendly, so if you want to change certain options of this utility, you will haver to change the code and recompile it.

However in XGfem this tool is competely integrated via a dialog box. All you have to do is to click on the menu `Execute` , then choose the `Adaptation mesh setup` . A dialog box will be popped up. The options are selected by default like in FreeFEM.

- 4.2.1 Anisotropy?
- 4.2.2 Interpolation
- 4.2.3 Advanced parameters