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User interface
The customisable user interface of CALHYDRA consists of various elements, which are explained in more detail below.
Menu bar
The menu bar is located horizontally at the top of the screen.
File
Import network
Opens an existing chp file or an existing upw file

User interface
The customisable user interface of CALHYDRA consists of various elements, which are explained in more detail below.
- Structure of the user interface
- Building services toolbar
  The building services toolbar is the dynamic command centre of CALHYDRA.
- Menu bar
  The menu bar is located horizontally at the top of the screen.
  - File
    - New
      Creates a new drawing
    - Open
      Opens an existing drawing
    - Save document
      Saves a document
    - Save document as
      Save document as
    - Import network
      Opens an existing chp file or an existing upw file
    - Export result
      Saves the calculation result in a calhydraResult file
    - Exit application
      Closes the application
  - Windows
  - Help
- Toolbar
  The toolbar is located at the top of the screen directly below the menu bar.
- Orbit CAD views
  The orbit for changing your CAD view is located in the top right-hand corner of your drawing.

Import network

Opens an existing chp file or an existing upw file

Specific components for editing in CALHYDRA are saved in a chp file (CALHYDRA project file). The universal upw file (universal pipework), on the other hand, only saves pure pipe network components.

Select the chp file or the upw file.
Select the file you want to open and click Open.

The selected file is opened.