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.

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Similarly, you may ask, what is the meaning of hidden line?

n ′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.

Likewise, when hidden lines meet their dashes should? Creating Hidden Lines Rule 2: Hidden lines should always begin and end with a dash. An exception is when the hidden line begins or ends at a parallel visible or hidden line.

Regarding this, what is a hidden line in architecture?

Dashed lines are used to show either the hidden edges of an object or an important overhead construction. They are categorized into two types: Hidden lines are used to show the concealed edges of an object or a completely hidden object, like for example the foundation of a building or a structure covered by earth.

Do isometric drawings have hidden lines?

Planes that are not parallel to any isometric plane are called non-isometric planes (Figure B) In isometric drawings, hidden lines are omitted unless they are absolutely necessary to completely describe the object. Most isometric drawings will not have hidden lines.

Related Question Answers

What is the use of hidden line?

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.

What are the types of line?

Types of Lines. There are four types of lines: horizontal line, vertical line, perpendicular, and parallel lines.

What is a centerline?

noun. any line that bisects a plane figure: the centerline of a building plan. a line along the center of a road or highway dividing it into separate sections for traffic moving in opposite directions.

What is a section line in drawing?

The diagonal lines on the section drawing are used to indicate the area that has been theoretically cut. These lines are called section lining or cross-hatching. The lines are thin and are usually drawn at a 45-degree angle to the major outline of the object.

What is a phantom line?

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 a object line?

Object Line Object lines are solid heavy lines, . 7 mm to . 9 mm. 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.

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 are dotted lines on floor plans?

Thin solid lines are used for built-in structures (such as cabinets, bookshelves, or plumbing fixtures). Thin dotted lines indicate overhead features, such as wall cabinets in a kitchen or a special ceiling treatment or an archway in the living room. Doors: Door swing.

What are the types of line in art?

Line is a mark made using a drawing tool or brush. There are many types of lines: thick, thin, horizontal, vertical, zigzag, diagonal, curly, curved, spiral, etc. and are often very expressive.

What are the different types of lines in drafting?

Three types of lines

• Visible or Object Lines. Dark thick lines that show the outside edges of an object.
• Construction Lines. Light lines that are drawn to help place other lines on a drawing.
• Hidden Lines. Dashed lines that show parts of an object that cannot be seen from the current viewing angle.

What is a extension line?

Line Conventions, Continued Extension lines Extension lines are thin lines that extend from the object outline or point on the object to a place outside the image area. Extension lines define areas for dimensions.

What is a Dimension line?

The dimension line is a thin line, broken in the middle to allow the placement of the dimension value, with arrowheads at each end (see diagram below). An arrowhead is approximately 3 mm long and 1mm wide. That is, the length is roughly three times the width.

What is a hidden line on a blueprint?

Basic Blueprint Reading Hidden Line Hidden Line ? The hidden line is used to show features or edges of an object that is not visible. It is a broken line of medium thickness. Basic Blueprint Reading Center Line Center Line ? The center line is used to locate the center of features.

What is a line in architecture?

A line is a continuous mark made by a pencil, brush, pen or other tool. In architecture, lines are often suggested by the structural materials designers choose for their buildings such as the random lines of natural stone or the sleek lines created by beams of steel or walls of glass.

What are the types of lines and their uses?

Here is a list with different line types and their application:

• Full line, narrow. Dimension line.
• Freehand line, narrow. Drawing of views and limitations interrupted cuts (drawn freehand)
• Criss-cross line, narrow.
• Volllinie, broad.
• Streak line, narrow.
• Streak line width.
• Streak point line, narrow.
• Streak point line, wide.

What do hidden lines look like?

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 is the purpose of center lines?

Structural lines and center lines are a key part of the sketching process for both traditional animation and standard drawing and are used to help create balanced, symmetrical figures with proper distribution of weight and perspective views.

How do I create a hidden line in AutoCAD?

Select the layout viewport in which you want to hide the lines. Click View tab Palettes panel Properties palette. On the Properties palette, under Misc, in the Shade Plot field, select Legacy Hidden.

What is a cutting plane line?

CUTTING PLANE LINES: Cutting plane lines indicate a plane or planes exposed by cutting and removing an imaginary section of the object. The exposed plane is called the sectional view and the line used to cut the object is referred to as the cutting plane line.