Syntax

[C/C++:]
void ggAddErrorBars(int npts, GPOINT *points, GERROR *errors, int type, int line, int xory);

[F90:]
subroutine ggAddErrorBars(npts, points, errors, type, line, xory)

integer, intent(in) :: npts, type, line, xory
type(GPOINT), intent(in) :: points(*)
type(GERROR), intent(in) :: errors(*)

Arguments

npts
The number of error bars to be plotted

points
Array of data points to be defined on the graph

errors
Array of relative error values below and above each corresponding value on the graph

type
Error bar symbol end type

= GNONE

No end

= GBAR

Horizontal bar

= GARROWSIN

Arrows pointing inwards

= GTRIANGLESIN

Triangles pointing inwards

= GSOLIDTRIANGLESIN

Filled triangles pointing inwards

= GARROWSOUT

Arrows pointing outwards

= GTRIANGLESOUT

Triangles pointing outwards

= GSOLIDTRIANGLESOUT

Filled triangles pointing outwards

line
Flag determining whether or not a line is drawn between error limits

= GNONE

No line

= GDRAWLINE

Line is drawn

xory
Specified axis

= GXAXIS

Error bars shown perpendicular to X axis

= GYAXIS

Error bars shown perpendicular to Y axis

Description

The routine ggAddErrorBars() plots an error bar at each of the points on a graph within the defined axes. The bars are displayed as absolute distances above and below the values stored in the array points. The relative distances above the values are stored in error.upper, the relative distances below are stored in error.lower. The ends of the error bars may be displayed in one of eight different forms depending on the value of type. The symbol size being subject to the current GINO character width.

The bar ends may be joined by a line depending on the value of line.

If axes have not been defined, the points will be read and plotted according to the default values for axis positioning and scaling.

See Also

ggAddErrorBars Usage

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