Question: What Are Object Lines?

What is another name for an object line?

A visible line, or object line is a thick continuous line, used to outline the visible edges or contours of an object.

A hidden line, also known as a hidden object line is a medium weight line, made of short dashes about 1/8” long with 1/16”gaps, to show edges, surfaces and corners which cannot be seen..

What type of lines are used for hidden details?

Hidden line Hidden details are shown by a series of dashes making up a broken line. It is normal practice that you place a dash at the beginning of the hidden line and another at the end where it meets an intersecting line.

What is the meaning of hidden line?

[′hid·ən ′līn] (graphic arts) For a three-dimensional object, a line that cannot be seen because view of it is obstructed by part of the object or of another object.

What are the 2 types of lines?

There are two different kinds of lines.Straight line: Straight lines are shown below.Curved line: Curved lines are shown below. Straight lines may be drawn in different directions and are given three names.

What are the two types of lines?

How many types of lines are there? There are two basic lines in Geometry: straight and curved. Straight lines are further classifies into horizontal and vertical. Other types of lines are parallel lines, intersecting lines and perpendicular lines.

What are the 7 types of lines?

There are many types of lines: thick, thin, horizontal, vertical, zigzag, diagonal, curly, curved, spiral, etc. and are often very expressive.

What are the meanings of lines in the views of an object?

Object lines are solid heavy lines, . … These lines define the shape of the object portrayed and are the outermost outline of the object. A round bar is shown as a circle in one view and a rectangle in the other. Both would be drawn with object lines.

What are the types of lines and their uses?

Following are the different types of lines used in engineering drawing:A type – Continuos Thick.B type – Continuous THIN.C type – Continuous THIN Freehand.D type – Continuous THIN Zig-Zag.E type – Dashes THICK.F type – Dashes THIN.G type – Chain Thin.H type – Chain THIN and THICK.More items…•

What are the types of line?

In geometry, there are different types of lines such as horizontal and vertical lines, parallel and perpendicular lines.

What are the lines on a blueprint called?

Phantom lines (see Figure 1-6) are thin lines used to indicate alternate positions of the parts of an object, repeated detail or the locations of absent parts. They are made by alternating one long and two evenly- spaced, short dashes, with a long dash at each end.

What is line and types of lines?

There are four types of lines: horizontal line, vertical line, perpendicular, and parallel lines. They are defined based on their orientation, and the angles if any, formed between them. Let’s look at each one of them.

What are the five basic types of lines?

There are 5 main types of lines in art: vertical lines, horizontal lines, diagonal lines, zigzag lines, and curved lines. Other types of lines are simply variations of the five main ones.

What is the heaviest line in a drawing?

The heaviest line weight indicates the ground line cut. The next heaviest line weight “profiles the planes closest to the plane of projection” (Ching & Juroszek, 1998, p. 152). Medium line weight indicates distance from picture plane, progressively getting lighter to describe objects further from the picture plane.

What are center lines?

Centerlines are one of the most frequently used tools in engineering drawing. Their basic purpose is to show circular/cylindrical features in a drawing, which are found in abundance in mechanical parts. … Centerlines indicate a circular feature on a drawing.

What are hidden lines in drawing?

Hidden lines in a drawing represent the edges where surfaces meet but are not directly visible. Hidden lines are omitted from pictorial drawings unless they are needed to make the drawing clear.

What are alphabet lines?

The Alphabet of Lines is a list of line symbols that engineers use in technical drawings to communicate specific shapes, sizes or surfaces. In the Alphabet of Lines, thick, dark lines represent the outline of an object, showing its visible surfaces and edges.

Where do you put hidden lines?

Hidden lines are used to show surfaces that are not directly visible. All surfaces must be shown in all views. If an edge or surface is blocked from view by another feature, it is drawn using a hidden line. Figures 4-11 and 4-12 show objects that require hidden lines in their orthographic views.

What are leader lines?

A leader line is a line that establishes a connection between a graphical representation of an item and some text. A leader points to a bit of our drawing and says: ‘Oi – Look Here’ and ‘Read This! ‘.

What is the purpose of object lines?

Object lines? The purpose of construction lines is to give you an outline of what you are about to draw. Object lines are used for outlining the shape and giving it its main features.

What line means?

In geometry, a line can be defined as a straight one- dimensional figure that has no thickness and extends endlessly in both directions. It is often described as the shortest distance between any two points.

What is object line in drafting?

Object lines (Figure 3) are the most common lines used in drawings. These thick, solid lines show the visible edges, corners, and surfaces of a part. Object lines stand out on the drawing and clearly define the outline and features of the object.