Navigate on the canvas
Zoom
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Zoom In
Select Zoom in button from the Zoom combo button on the General toolbar (top) and click on it as many time it is necessary.
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Zoom Out
Select Zoom out button from the Zoom combo button on the General toolbar (top) and click on it as many time it is necessary.
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Zoom In/Out
Scroll the mouse wheel over the canvas.
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Zoom All
Click Zoom All button on the General toolbar (top) to optimize the size of the structure to the canvas size.
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Zoom to Selection
Select Zoom to Selection button from the Zoom combo button on the General toolbar (top) to display only the selected structure on the canvas.
Scroll bars
Appears when its needed: when the structure is bigger than the canvas.