TOUCH SCREEN TECHNIQUEActivating the pixels on a CRT screen
through the touch of an electronic light pen or the fingertip.
TRACING PAPERA thin, transparent, or translucent paper used for
transferring an image from one surface to another by tracing.
TRACKBALL See JOYSTICK or MOUSE.
TRAMMELA mechanical device used to draw an ellipse.
TRANSFER SHEETPreprinted characters and symbols on cellophane or
acetate used in preparing cold composition, camera-ready copy.
TRANSLUCENT The characteristic of allowing light to pass through
without permitting objects to be seen clearly through it.
TRANSPARENCYAny transparent material intended for projection that
bears an image.
TRANSPARENTThe characteristic of allowing light and objects to be
seen clearly through it.
TRAPSA slight overlap of the outline of an element to prevent white space
from showing around the edges minimizing the effect of press plate
TRIADThe use of any three pigments equally spaced on a color wheel.
TRIANGLEA triangular shaped ruling guide available in various sizes and
angles usually made of clear plastic or metal.
TRIM MARKSMarks used on printed sheets or other substrate to indicate
where to cut or trim stock both vertically and horizontally.
TRIMETRIC PROJECTION An axonometric projection of an object
where no two axes make equal angles with the plane of projection requiring
three different foreshortening ratios.
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