The Drawing Preview panel displays a sample isometric drawing that represents the current isometric drawing property settings. The preview drawing is based on a sample Piping Component File (PCF) delivered with the software.
As you configure drawing properties, the drawing view updates so you can see the impact a property setting has on the drawing output. The examples below show the effects of changing the Above Line setting from True (1), where dimensions are placed above the dimension line, to False (2), where dimensions are inserted into the dimension line.
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By default, the view in the Drawing Preview panel updates automatically whenever you modify a drawing property However, if Automatically Refresh
is turned off, you must click Refresh 
on the View toolbar to manually update the drawing view.
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In Smart 3D, the drawing preview does not reflect any drawing options that you have set in the Smart 3D category.
Control the display of the drawing preview
The Drawing Sheet Navigation box (1) and the View toolbar (2) sit at the top of the Drawing Preview panel.
The Drawing Sheet Navigation box lists each drawing sheet contained within the drawing. Using the navigation box, you can display each individual drawing sheet in the Drawing Preview panel for review.
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Use the arrow buttons to scroll forwards and backwards through the drawing sheets. The view in the Drawing Preview panel updates to display each drawing sheet.
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Select a drawing sheet from the list for display in the Drawing Preview panel.
Using the commands on the View toolbar, you can manipulate the view of the drawing preview. For example, you can adjust the view to display the entire drawing, or you can focus on specific parts of the drawing. You can also increase or decrease the viewing area. Decreasing causes everything within the Drawing Preview panel to appear larger, while increasing causes everything within the window to appear smaller. The commands listed below are available on the View toolbar:
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Select selects a specific object in the isometric drawing. When you select an object in the preview drawing, it highlights in red. |
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Fit View displays the entire contents of the isometric drawing in the Drawing Preview panel. For more information, see Fit all drawing objects. |
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Pan repositions the drawing in the Drawing Preview panel so that you can view another section of the drawing without changing the view magnification. For more information, see Pan the view. |
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Zoom increases or decreases the display size of the drawing in the Drawing Preview panel. You can zoom in to get a closer view of an object or zoom out to view more of the drawing at a reduced size. For more information, see Zoom in on an area or zoom out from a point. |
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Zoom Area increases the view magnification of an area in the isometric drawing that you define by drawing a fence around the part of the drawing to enlarge. For more information, see Magnify an area of the preview drawing. |
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Automatic Refresh controls whether the software automatically updates the view of the drawing in the Drawing Preview panel after a setting is changed. By default, this command is active. When the command is turned off, you must use Refresh to manually update the isometric drawing preview. |
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Refresh updates the view of the drawing in the Drawing Preview panel to display any changes to the isometric drawing settings that you have defined since the last refresh action. |
To cancel the active View command, click Select 
, or right-click anywhere in the Drawing Preview panel.
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