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EulerTool:Usage

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Euler Diagramming Tool Usage

The following is a basic user guide on how to operate features in current versions of Euler Diagramming Tool.

Basic Usage

Creating A New Shape

  1. Select the shape you wish to draw from toolbar.
  2. Left click on your starting point on the canvas.
  3. Keep the left mouse button held down and drag to draw the shape the size you wish.
  4. Release the left mouse button and the shape will be drawn.

Creating A New Label

  1. Select the label tool from the toolbar.
  2. Left click on your starting point on the canvas.
  3. Keep the left mouse button held down and drag to draw the label the size you wish.
  4. Release the left mouse button and you will be prompted with a dialog box.
  5. Enter the text you wish to be displayed then click OK.

Deleting A Label/Shape

  1. Select the cursor tool from the toolbar.
  2. Left click on the item you wish you delete.
  3. When the item is selected press the delete key.

Moving A Label/Shape

  1. Select the cursor tool from the toolbar.
  2. Left click on the item you wish you move and then drag your mouse until the object is in its new desired position.
  3. Release the left mouse button and the object will have been moved.

Filling in (Graying Out) Regions

  1. Move the mouse cursor over the region you wish to fill in (gray out) then click with the right mouse button.

Clearing The Canvas

  1. Go to Model>>Clear on the menubar.
  2. When prompted click "OK" to agree to clear the canvas.

Preferences

The preferences dialog can be reached via Edit>>Preferences... on the menubar.

Changing The Canvas Grid

  • The canvas grid can be enabled and disabled via the Snap To Grid tickbox in the Preferences dialog.
  • To change the spacing between the lines/dots you need to change the "Grid Size" value, this can be any value between 10 and 50 inclusive.
  • The "Grid Type" combobox depicts what is drawn on the canvas.
    • None means a plain white canvas will be displayed.
    • Lines will draw horizontal and vertical lines in a cyan colour with the spacing of the Grid Size, creating a grid of squares.
    • Dots will draw a grid of dots spaced according to the Grid Size.

Changing Well Formedness Rules

  • Each rule has 4 settings, DoNothing, InformThem, SnapToConstrain and AlwaysConstrain.
  • For each rule select the setting you want to be done and then save the preferences.

Saving / Loading

Saving

  • Once you have created your diagram as you wish go to File -> Save As... to save your log.
  • Choose your save directory
  • Enter a file name.
  • The default file extension is *.edf

Loading

  • Navigate to the directory of the saved file.
  • Select file
  • Click load

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