The Canvas tab

The Canvas tab allows configuration of the circuit drawing area's appearance.

There are five options allowed.

• The Printer View check box specifies whether to display the circuit on the screen in the same way it is displayed through the printer. Normally, Logisim displays the on-screen circuit with indications of the current circuit state, and it displays some hints about component interface (most particularly, it draws legs on OR gates to indicate where they would connect). The printer view, though, omits indications of state, and it omits such interface hints.

• The Show Grid check box specifies whether to draw dots in the background indicating the grid size.

• The Show Attribute Halo check box specifies whether to draw the pale teal oval around the attribute or tool whose attributes are currently displayed in the attribute table.

• The Show Ghosts check box specifies whether to draw a light-gray outline of a component to be added as the mouse moves across the canvas. For example, if you select the AND gate tool and move the mouse into the window (without pressing the button), a gray outline of an AND gate will display where the AND gate will appear when the mouse is clicked. Unselecting the check box will disable this behavior.

• The Zoom Factor allows you to ``blow up'' the image by a ratio. This option is mostly intended for live classroom demonstrations where the screen resolution is too small to view the circuit from the back of the classroom.

Next: The Toolbar tab.