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4.4 Image processing window

Figure 4.7 show's `nip2`'s main image processing window. Drag with the middle mouse button to scroll the workspace window. Drop a file on to the workspace background (from your file manager) to load that file.

Figure 4.7: `nip2`'s main image processing window

Workspace
  This area displays the objects (images, numbers and so on) which are currently loaded into `nip2`. The workspace is divided into columns of objects which each behave rather like windows: they can be moved around, folded away, loaded, saved and deleted.

Current column
  One column is the current column. This is the column to which all new objects are added. Single-left-clicking on the title bar of a column makes that the current column. See §4.4.1.

File, Edit, View
  Use the `File` menu to create or save workspaces, to open workspaces or load other objects into this workspace, to merge workspaces and to recover after crashes (loads last automatically saved workspace). Use the `Edit` menu to select, group, delete and duplicate sets of objects. Use `View` to show and hide elements of the main window, and to set the object view mode.

Toolkits
  This menu contains all of the image processing functions which are currently loaded into `nip2`. They are generally grouped by object type: all of the operations on matricies are under `Toolkits` / `Matrix`, for example.

  If you select one of these image processing operations, `nip2` will apply that operation to the bottom few items in the current column (however many are necessary -- two items for `Math` / `Arithmetic` / `Add`, for example), or alternatively, if you have selected some objects explicitly, it will try to apply the operation to the selected objects. See §4.4.3. As you move the mouse pointer over menu items `nip2` tries to display some helpful information about the operation, including the number and type of arguments the operation expects.

Toolkit Browser
  This side panel shows all the image processing operations again, but this time as a large flat list you can easily browse. Type into the search box at the top to filter operations by keyword. Doubleclick on an item to activate it.

Free space
  This displays the amount of disc space you have left in your temporary file area. See §A if you want to change the directory `nip2` uses to store temporary files.

  If you left-click on the label, it changes to display the space `nip2` has free internally for performing calculations. You can change this limit in the `Preferences` workspace. Click again to switch back to disc free.

  If you have objects selected, this area changes to show the names of the selected objects.

Status bar
  As you move the mouse pointer about the window, this bar tries to display useful information about the thing you are pointing at.

Subsections

- 4.4.1 Columns
- 4.4.2 Rows
  - 4.4.2.1 Object name colours
- 4.4.3 Applying operations to objects
- 4.4.4 Batch processing
- 4.4.5 Error handling
- 4.4.6 Making menu items out of columns

Next: 4.4.1 Columns Up: 4. Reference Previous: 4.3 File select dialogs Contents