< Inside ConTeXt | Visuals >
There's a whole lot of commands that help you analyzing and debugging your ConTeXt documents. Most of them start with \show... or \trace.... While \showsomething is a command that immediately inserts something, \tracesomethingtrue or ...false is a switch that influences the behaviour of some other commands. You can check the setting with \iftrace.... In the following we leave out the boolean value (true or false).
Unordered
Layout
\showlayout : add four pages that show margins, layout sizes etc.
\showsetups : type a list of all defined sizes (variables) and their values
\showmakeup : ?
\showframe : ?
Grid, Layers and Column Sets
\tracelayers : show boxes of layers
\tracecolumnset : ?
\tracetextareas : ?
\showgrid : make line grid visible
Tables
\tracetables : ?
\traceTABLE : ?
\tracetabulate : ?
Math
\tracemathtrue : show the layout boxes for left, middle, or right-aligned formulas.
\tracemathsymbol : ?
Bookmarks and References
Fonts and Type
\showbodyfont : actual bodyfont family with all variants
\showbodyfontenvironment : draws a table that shows which point sizes match the relative sizes
\showsymbolset[symbolset name] : shows all the symbols within a given symbol set
\showcharacters : list of available chars of actual bodyfont encoding
\showmathcharacters : list of all the available math (non-alphabetical) characters available in math, now including all the AMS characters
\showaccents : shows A-Z and a-z with all available accents
\showstruts : make invisible characters visible
\showfontstrip : the current typeface combination, with roman, sans, math, and teletype families visualised, with x-heights
\tracechinese : ?
\tracedfontname : ?
Colors and Graphics
Colors
\showcolor : see Colors
\showcolorgroup : ?
\showpalet : ?
\tracedgreymode : ?
Figures
\tracesidefloats : ?
Interaction
\showfields : ?
\tracefields : ?
\traceJScode : trace JavaScript code