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    Names: »spec.7«

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TextFile

.TH SPEC 7
.SH NAME
SPEC \- A TeX-Embedded Graphics Typesetting Language
.SH DESCRIPTION
.I SPEC
graphics operations are embedded in the TeX \\special command.  Processing of
.I SPEC
commands is enabled with the 
.B \-g
option of
.IR iptex (1).
For more information, see the paper
.I SPEC --- A TeX-Embedded Graphics Typesetting
.I Language
by Jiang-Hsing Chu and Gary Knott.
.PP
Here is a brief summary of the 
.I SPEC
graphics commands:
.TP
.I pdefaults:
resets all the system variables
.TP
.I unit ux uy:
specifies the length of one unit on the x-axis and the y-axis
.TP
.I pensize p:
sets the thickness of a line to be p pixels
.TP
.I linestyle d1 g1 d2 g2 ...:
defines the line pattern used in drawing
.TP
.I linecontrol c m:
defines the way of drawing line segments for the given points
.TP
.I pointtype j:
chooses a symbol to represent a point
.TP
.I filltype f:
selects the filling pattern code to be used in a
.I pfill 
command
.TP
.I path pathname (x1,y1)(x2,y2)...:
stores a sequences of points in the path named pathname
.TP
.I pathdelete pathname(s):
deletes unwanted path(s)
.TP
.I line:
connects the given points by line segments
.TP
.I arrow:
connects the given points by line segments with an arrow head at the end of
each line segment
.TP
.I polygon:
connects the given points by line segments, an additional line segment is
connected between the first point and the last point if they are not identical
.TP
.I pfill:
treats the given points as the vertices of a polygon and does a texture filling
using the current filling pattern defined by 
.I filltype
.TP
.I lfill delta alpha:
treats the given points as the vertices of a polygon and fills it with line
segments of alpha angle and delta spacing
.TP
.I spline:
draws a smooth piecewise cubic polynomial curve passing
through the given points
.TP
.I arc:
draws an elliptical arc
.TP
.I rotation:
defines the rotating transformation to be made
.TP
.I scale:
defines the scaling transformation to be made
.TP
.I trans:
defines the translating transformation to be made
.TP

.SH AUTHOR
Jiang-Hsing Chu, University of Maryland
.SH FILES
imagen1g - conversion program
.br
ipr - Imagen spooler
.SH "SEE ALSO"
dvipr(1), dviselect(1), tex(1), iptex(1)
.SH BUGS
It is slow when doing texture filling.