Autodesk 00308-011408-9F30A User Guide - Page 23
Entities
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Entities Each item you add to a drawing is called an entity. Entities are the building blocks of a drawing. Other programs may refer to entities as objects, items, or elements. AutoSketch creates the following entity types: s Arc-An arc is a portion of a circle. You can use an arc to show the direction a door swings, a rounded wall, and so on. For more information, see the chapter titled "Arcs & Circles," which begins on page 155. s Circle-A circle is a curved line with every point equally distant from the center. You can use a circle to represent a hole, a round object, and so on. For more information, see the chapter titled "Arcs & Circles," which begins on page 155. s Curve-A curve is a polyline that is rendered onscreen and on printed output in a special way. AutoSketch supports two curve types: fitted curves and spline curves. Fitted curves pass directly through each control point. Spline curves pass through the first and last control points and are drawn toward intermediate ones. A closed curve can contain pattern fill. Use curves to create free-form shapes such as curved sidewalks and car fenders. For more information, see the chapter titled "Polylines, Polygons, & Curves," which begins on page 137. s Detail view-An entity that displays a portion of a previously saved view. For more information, see "Viewing Drawing Details" on page 95. s Dimension-A dimension is a predefined collection of lines, arcs, markers, and text used to display a measurement in the drawing. The text label is updated automatically when you stretch or reshape the dimension. For more information, see the chapter titled "Creating Dimensions," which begins on page 225. s Ellipse-A closed symmetrical curve that resembles a flattened circle. Mathematically, the path of a point that moves so the sum of the distances from it to a pair of fixed points remains constant. For more information, see "Drawing Ellipses" on page 163. s Fill-A hidden line polygon that conforms to the shape of a bounded area and displays either a solid color, a hatch, or bitmap fill. For more information, see the chapter titled "Pen & Pattern Properties," which begins on page 197. s Group-A compound entity consisting of individual symbols and entities which AutoSketch treats as a single entity. For more information, see "Creating Groups" on page 319. s Line-A line is an entity that connects two points. You can use a line to represent any straight object such as a water pipe, a wall edge, an electrical connection, or a street. For more information, see the chapter titled "Lines," which begins on page 129. Entities | 13