Engineering Graphic Modelling

5.9

TYPES OF DRAWING

BAR OR COLUMN DIAGRAMS

required

function

I

structure

form

material

dimension

surface

J

properties

achieved

required

function

1

structure

form

material

dimension

surface

—*

properties

achieved

Term

Column diagram, bar chart, histogram.

Use

A convenient way of showing, with impact, the dependence of one

or more parameters on another parameter.

Characteristics

The basis for a column diagram is a Cartesian co-ordinate system in

which one of the co-ordinate values increases in steps, whilst the

other is shown as columns of specific lengths. The co-ordinates may

be completely or partly omitted.

Bar chart is the term normally