Trace
Set debugging switches
Child elements
(none)
Parent elements
Attributes
boxmodel(optional)- Draw a translucent overlay visualizing the CSS box model of block-level elements (margin, border, padding and content area, colored like the browser developer tools). Where margins of neighboring elements overlap, the colors add up and appear darker.
yes- Show the box model overlay.
no- Don’t show the box model overlay (default).
dests(optional)- Draw PDF destinations with a black circle.
yes- Show dest.
no- Don’t show dests (default).
grid(optional)- Draw the grid on the page.
yes- Show the grid.
no- Don’t show the grid (default).
gridallocation(optional)- Draw allocated cells with yellow and conflicts with red markers.
yes- Show grid allocation.
no- Don’t show the grid allocation (default).
hboxes(optional)- Visualize the vertical metrics of text lines: the area above the baseline (height) and the area below it (depth) get distinct translucent tints, the baseline and the outline of each line box are stroked.
yes- Show the line boxes.
no- Don’t show the line boxes (default).
hyperlinks(optional)- Draw a box around hyperlinks.
yes- Show the hyperlinks.
no- Don’t show the hyperlinks (default).
hyphenation(optional)- Draw little marks to show all hyphenation points.
yes- Show hyphenation points.
no- Don’t show any hyphenation points (default).
objects(optional)- Draw boxes around objects.
yes- Show boxes.
no- Don’t show the bounding boxes of objects.
Example
<Trace grid="yes" />See also
- Commands: Message
- Manual: The Grid: Grid allocation, CLI Reference