What is xdata autocad

The layer of the objects are locked. The edit mode of an xref is active. Make sure the hatch layer is turned on and not frozen. Turn on the hatch quick preview and fill mode see Hatch preview does not appear for a selected area in AutoCAD. Creates regions or a polylines from enclosed areas.

The Boundary Creation dialog box is displayed. The interior point that you specify uses the surrounding and interior objects to create closed polylines and regions.

Regions are two-dimensional areas you create from closed shapes or loops. Closed polylines, lines, and curves are valid selections.

Curves include circular arcs, circles, elliptical arcs, ellipses, and splines. AutoCAD 0. Use the Resize command in Archicad. You can do this in several ways, including using the New button in the. They can be exploded or modified by the user and they can only hold certain types of information. Extended Entity Data though, allows you to attach up to 16K of information to each and every entity in the drawing. You can also keep it totally separate from other information and, because it uses a uniquely registered name, can be kept relatively safe from being overwritten.

You can also store lot's of different types of information in Extented Entity Data. Extended Entity Data is attached to an entity as an associated list with a code number of The simplest form of an Xdata Associative list would look something like this :. Another important thing to remember about Xdata is that you can have more than one of the same associative code.

You have now registered your external entity data name. This name is a unique identifier to your own extended entity data. Next we need to get the entity data list of the entity that we want to add exdata to. Type this :. We now have an ordinary list. Because we created the xdata list, and we know in what order we created it, it's very simple to retrieve each individual part :. In Part 2 we will have a look at a practical example using Xdata.

Come on, don't be scared…. We're currently revamping the entire site to bring you updated tutorials and a better user experience. Application Name An Application Name. Layer Name The name of a Layer. DataBase Handle The handle of an entity. Real A real value. Integer A 16 bit integer signed or unsigned.