User manual

log( abs(${Fi})/${Fx} ) > 44 { draw }

 It is mandatory to use quotes (") for strings. Joker keys are allowed ‘ ?’ et ‘*’ ;

 The “undefined(…)” operation enables you to see lines that don’t have a value for a

given column.

Graphical actions

Two actions are available:

 Draw: to draw a source;

 Hide: rarely used, it enables you to hide specific sources.

When using a “draw”, the action can be on the shape and/or on the colour of the plot.

The syntax is the following:

draw color shape

The edit board for the filter offers two buttons enabling a quick selection of the desired

shape and colour.

The shape and colour functions can be associated to columns and/or to the use of

arithmetic expressions.

Example: Drawing red triangles:

{ draw red triangle }

Example: Drawing ellipses

{ draw ELLIPSE(0.5*${MajAxis},0.5*${MinAxis},$

{PosAng}) }

Example: Drawing squares for which the colours is a function of the

magnitude

{ draw RAINBOW(${magB}) square }