![]() This is because you can set multiple zoomed-in views of different parts of the drawing or model, which you can then switch between easily and quickly, with the main view remaining unchanged. This feature is specifically designed to help you reduce the time you would ordinarily need to pan or zoom in on a single view, especially when working with complex or large drawings. So, currently, an AutoCAD Viewport displays different scaled views or sections of a 2D drawing or 3D model. But following the launch of Release 11, Viewports took on a new meaning. It did not show what was contained in the model space. Prior to 1990, an AutoCAD Viewport was simply a partition of the display graphics area. Against this backdrop, what is a Viewport? What is AutoCAD Viewport? In this regard, modern-day AutoCAD viewports – as we know them today – were first introduced in October 1990. This version also boasted Viewport-specific layer visibility. In addition, as part of Release 11, users could now include multiple views of a model in a single plot or paper space, complete with title blocks, annotation text, and so on. (A model space refers to the limitless drawing area on AutoCAD.) TILEMODE specifically achieved this by ensuring that Viewports now displayed the objects contained in the model space rather than being simple partitions of the display graphics area. Used to enable paper space, TILEMODE helped modify the meaning of Viewports. For instance, AutoCAD Release 11, released in October 1990, revamped viewports by introducing a system variable known as TILEMODE. Since then, the command and the associated viewports feature have been progressively improved. Based on the release notes, the first iteration of AutoCAD Viewport was released in 1988. REDRAWALL refreshes the display of all viewports, while REGENALL regenerates all models in the viewports. ![]() The VPORTS command enabled users to create and control multiple viewports. However, it was not until October 1988 that Autodesk included the VIEWPORTS (VPORTS), REGENALL, and REDRAWALL with the launch of AutoCAD Release 10. In 1984, as part of AutoCAD Version 2.0 (Release 5), for example, Autodesk introduced a new command called VIEW, whose use enabled the creation of named views. Throughout AutoCAD’s now 40 years’ history, its developer, Autodesk, has progressively added new features packaged as new versions, with newer features building on the capabilities brought by the features that came before them. How to Lock a Layout Viewport in AutoCAD.How to Create a Layout Viewport in AutoCAD.How to Create a Model Space Viewport in AutoCAD.
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