What is dimension line in Figure?
A dimension line which is a type B line (thin, continuous and straight). In Figure 3.15, these dimension lines are the length of the dimension itself, i.e. ’50’ or ’32’ mm long. ■ A numerical value which is a length or an angle. In the Figure 3.15 example the dimensions are the ’50mm’ and ’32mm’ values.
What is a dimension line in architecture?
The dimension lines are used in the drawing to show the length of the dimension. The extension lines show how long the dimension extent. The dimension lines terminate at the respected extension lines. This termination is represented by means of slashes, dots or arrowheads.
What is dimension and extension line?
Dimension lines present certain measurements of and between items in a drawing. Extension lines, on the other hand, are seen simply as extensions of these items. Where items in blueprints can be busy and complex, an extension line is an easy way to interpret the basis of the item.
What is dimension line in CAD?
The dimension distance will show the vertical or horizontal distance depending on whether you move your cursor in a horizontal or vertical direction when placing point 3. Command line: To start the Linear Dimension tool from the command line, type “DIMLIN” and press [Enter].
What is dimension in drawing?
Dimensioning a drawing also identifies the tolerance (or accuracy) required for each dimension. Dimension — the numerical value that defines the size, shape, location, surface texture, or geometric characteristic of a feature.
What is 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.
What is dimension in engineering drawing?
Dimensions in engineering drawings are numerical values indicated graphically in a proper unit of measurement on engineering drawing with lines, symbols, and notes. These are indicated on the engineering drawing to define the size characteristics such as length, height, breadth, diameter, radius, angle, etc.
What is a object line?
Why are dimensions used?
Dimensions can be used to measure position too. The distance to a position from a starting place can be measured in the length, width and height directions. These distances are a measure of the position. In some occasions, a fourth (4D) dimension, time, is used to show the position of an event in time and space.
What is dimension of drawing?
Is a line one-dimensional?
A line is a straight one-dimensional figure having no thickness and extending infinitely in both directions. A line is sometimes called a straight line or, more archaically, a right line (Casey 1893), to emphasize that it has no “wiggles” anywhere along its length.
What is cutting plane line?
Cutting Plane: An imaginary plane along which a section is taken. Cutting Plane Line: A line on a normal view that shows where the cutting plane passes through the object. It is used to show where the object is being cut.
What is a visible line?
Visible lines are the edges or “outlines” of an object. They are drawn as solid lines with a thick/heavy weight.
What is a phantom line?
Lines that are made visible as dots or dashes to reveal the edges of objects currently hidden from view.
What are the types of dimension line?
The basic types of dimensioning are linear, radial, angular, ordinate, and arc length.
Is a line two-dimensional?
A circle, triangle, square, rectangle and pentagon are examples of two-dimensional shapes. Fun Facts: – A point is zero-dimensional, while a line is one-dimensional, for we can only measure its length.
Why is a line one-dimensional?
One Dimensional A line segment drawn on a surface is a one-dimensional object, as it has only length and no width.
How do you construct a dimension line?
To draw a parallel dimension line, click the Parallel dimension tool in the toolbox. To draw a vertical or horizontal dimension line, click the Horizontal or vertical dimension tool . 2. Click to place the starting point, and drag to where you want to place the endpoint of the dimension line.
What is the purpose of a dimension line?
dimension lines A line used to visually connect the ends of a dimension line to the relevant feature on a part. They are solid and drawn perpendicular to the dimension line. extension lines
What is a dimension line?
The dimension line is a fine, dark, solid line with arrowheads on each end. It indicates direction and extent of a dimension. In machine sketches and drawings, in which fractions and decimals are used for dimensions, the dimension line is usually broken near the middle to provide open space for the dimension numerals.
What is linear dimension and give example?
Twelve inches equal 1 foot, and 1 inch is 2.54 centimeters. Two linear measurements that enclose an area create a square measurement. The simplest square measurement is the area of a square. For example, a square with each side 3 feet long is 9 feet squared in area because the length is multiplied by the width for two dimensions.
What terminates dimension lines?
– Rule 1: Dimensions should not be duplicated, nor should the same info be given in two different ways. – Rule 2: Dimensions should be attached to the view that best shows the contour of the feature being dimensioned. – Rule 3: – Rule 4: – Rule 5: – Rule 6: – Rule 7: – Rule 8: