generate-graph-from-pairs `
x-y-pairs`
&key `
thickness`
`
color`
`
x-offset`
`
y-offset`
`
x-scale`
`
y-scale`
=> `
drawing-object`

A list.

A positive real number.

A Color specification.

Non-negative real numbers.

Positive real numbers.

The function `generate-graph-from-pairs`

generates a "graph", which is a drawing object which draws lines connecting the points in the `
x-y-pairs`
argument.

`
x-y-pairs`
must be a list where each element is a list of length 2 specifying a point as a pair of coordinates (`
x`
, `
y`
).

`
x-scale`
, `
y-scale`
, `
x-offset`
and `
y-offset`
are used to scale and offset the graph. Each `
x`
value is multiplied by `
x-scale`
and then `
x-offset`
is added, and similarly for the `
y`
value. The default value of both `
x-offset`
and `
y-offset`
is 0. The default value of both `
x-scale`
and `
y-scale`
is 1.

The line is drawn with the `
thickness`
argument and `
color`
as the foreground color. The thickness is not scaled (it passes `:scale-thickness nil`

to make-draw-lines). The default value of `
color`
is `:red`

. The default value of `
thickness`
is 1.

`generate-graph-from-pairs`

is a quite thin interface on top of make-draw-lines. If it does not do what you want, you can easily replace it by your own code.

*CAPI User Guide and Reference Manual (Unix version) - 25 Feb 2015*