Creating Section ViewportsCreating Section ViewportsA section viewport creates a cross section view of a model, but leaves the model intact. The section viewport can display a 2D cross section view of only the objects that intersect the section line, or, additionally, the 3D geometry that remains on the indicated side of an infinite plane passing through the section line.
Create a live section view from one or more design layers, from a clip cube on a design layer, or from a viewport on a sheet layer or design layer. By creating several section viewports, models can be analyzed and presented effectively. The section views can be updated as the model changes, and their attributes and appearance can be easily changed.
A section viewport can be created on either a sheet layer or a design layer; the functionality and purpose of the two types of section viewports are different.
Section viewports on sheet layers can include annotations and automatic drawing coordination of the sheet and drawing numbers; also, if there are multiple viewports on a sheet layer, each can a have different view and scale. These types of sections are always Top/Plan since they are on sheet layers, and are created for construction drawings. To get a 3D “look,” switch to Perspective Projection.
Section viewports on design layers are useful when, for example, a detail section is needed in a Front rendered view. A design layer section viewport allows comparison between a section and an elevation view. In a team environment, the design layer section viewport can be referenced in other files.
For sheet layer section viewports, to automatically coordinate the sheet numbers and drawing numbers among the sheet borders, drawing labels, and section markers in a file, select Use Automatic Drawing Coordination in the Display tab of the Document Preferences. This feature keeps references up to date, even when drawings are edited or moved to a different layer.
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