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| author | rsc <devnull@localhost> | 2005-01-14 03:45:44 +0000 |
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| committer | rsc <devnull@localhost> | 2005-01-14 03:45:44 +0000 |
| commit | 78e51a8c6678b6e3dff3d619aa786669f531f4bc (patch) | |
| tree | 015e00fde4fc837fd31b705e18d17dc913829388 /man/man1/grap.html | |
| parent | 2634795b5f0053bc0ff08e5d7bbc0eda8efea061 (diff) | |
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diff --git a/man/man1/grap.html b/man/man1/grap.html new file mode 100644 index 00000000..e4e9c3c4 --- /dev/null +++ b/man/man1/grap.html @@ -0,0 +1,232 @@ +<head> +<title>grap(1) - Plan 9 from User Space</title> +<meta content="text/html; charset=utf-8" http-equiv=Content-Type> +</head> +<body bgcolor=#ffffff> +<table border=0 cellpadding=0 cellspacing=0 width=100%> +<tr height=10><td> +<tr><td width=20><td> +<tr><td width=20><td><b>GRAP(1)</b><td align=right><b>GRAP(1)</b> +<tr><td width=20><td colspan=2> + <br> +<p><font size=+1><b>NAME </b></font><br> + +<table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td> + + grap – pic preprocessor for drawing graphs<br> + +</table> +<p><font size=+1><b>SYNOPSIS </b></font><br> + +<table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td> + + <tt><font size=+1>grap</font></tt> [ <i>file ...</i> ]<br> + +</table> +<p><font size=+1><b>DESCRIPTION </b></font><br> + +<table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td> + + <i>Grap</i> is a <a href="../man1/pic.html"><i>pic</i>(1)</a> preprocessor for drawing graphs on a typesetter. + Graphs are surrounded by the <i>troff</i> ‘commands’ <tt><font size=+1>.G1</font></tt> and <tt><font size=+1>.G2</font></tt>. Data + are scaled and plotted, with tick marks supplied automatically. + Commands exist to modify the frame, add labels, override the default + ticks, change the plotting style, define coordinate + ranges and transformations, and include data from files. In addition, + <i>grap</i> provides the same loops, conditionals, and macro processing + that <i>pic</i> does. + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + + <tt><font size=+1>frame ht</font></tt> <i>e</i> <tt><font size=+1>wid</font></tt> <i>e</i> <tt><font size=+1>top dotted</font></tt> <i>...</i>: Set the frame around the graph + to specified <tt><font size=+1>ht</font></tt> and <tt><font size=+1>wid</font></tt>; default is 2 by 3 (inches). The line + <i>styles</i> (<tt><font size=+1>dotted</font></tt>, <tt><font size=+1>dashed</font></tt>, <tt><font size=+1>invis</font></tt>, <tt><font size=+1>solid</font></tt> (default)) of the <i>sides</i> (<tt><font size=+1>top</font></tt>, + <tt><font size=+1>bot</font></tt>, <tt><font size=+1>left</font></tt>, <tt><font size=+1>right</font></tt>) of the frame can be set independently. + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + + <tt><font size=+1>label</font></tt> <i>side </i><tt><font size=+1>"a label" "as a set of strings"</font></tt> <i>adjust</i>: Place label on + specified side; default side is bottom. <i>adjust</i> is <tt><font size=+1>up</font></tt> (or <tt><font size=+1>down + left right</font></tt>) <i>expr</i> to shift default position; <tt><font size=+1>width</font></tt> <i>expr</i> sets the + width explicitly. + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + + <tt><font size=+1>ticks</font></tt> <i>side</i> <tt><font size=+1>in at</font></tt> <i>optname expr, expr, ...</i>: Put ticks on <i>side</i> at + <i>expr, ...,</i> and label with <i>"expr"</i>. If any <i>expr</i> is followed by "...", + label tick with "...", and turn off all automatic labels. If "..." + contains <tt><font size=+1>%f</font></tt>’s, they will be interpreted as <tt><font size=+1>printf</font></tt> formatting instructions + for the tick value. Ticks point <tt><font size=+1>in</font></tt> or <tt><font size=+1>out</font></tt> (default out). Tick + iterator: instead of <tt><font size=+1>at</font></tt> <i>...</i>, use <tt><font size=+1>from</font></tt> <i>expr</i> <tt><font size=+1>to</font></tt> <i>expr</i> <tt><font size=+1>by</font></tt> <i>op expr</i> + where <i>op</i> is optionally <tt><font size=+1>+−*/</font></tt> for additive or multiplicative steps. + <tt><font size=+1>by</font></tt> can be omitted, to give steps of size 1. If no ticks are requested, + they are supplied automatically; suppress this with <tt><font size=+1>ticks off</font></tt>. + Automatic ticks normally leave a margin of 7% on each + side; set this to anything by <tt><font size=+1>margin =</font></tt> <i>expr</i>. + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + + <tt><font size=+1>grid</font></tt> <i>side linedesc</i> <tt><font size=+1>at</font></tt> <i>optname expr, expr, ...</i>: Draw grids perpendicular + to <i>side</i> in style <i>linedesc</i> at <i>expr, ....</i> Iterators and labels work + as with ticks. + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + + <tt><font size=+1>coord</font></tt> <i>optname</i> <tt><font size=+1>x</font></tt> <i>min, max</i> <tt><font size=+1>y</font></tt> <i>min, max</i> <tt><font size=+1>log x log y</font></tt>: Set range of + coords and optional log scaling on either or both. This overrides + computation of data range. Default value of <i>optname</i> is current + coordinate system (each <tt><font size=+1>coord</font></tt> defines a new coordinate system). + + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + + <tt><font size=+1>plot </font></tt><i>"str"</i> <tt><font size=+1>at</font></tt> <i>point</i>; <i>"str"</i> <tt><font size=+1>at</font></tt> <i>point</i>: Put <i>str</i> at <i>point</i>. Text position + can be qualified with <tt><font size=+1>rjust</font></tt>, <tt><font size=+1>ljust</font></tt>, <tt><font size=+1>above</font></tt>, <tt><font size=+1>below</font></tt> after "...". + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + + <tt><font size=+1>line from</font></tt> <i>point</i> <tt><font size=+1>to</font></tt> <i>point linedesc</i>: Draw line from here to there. + <tt><font size=+1>arrow</font></tt> works in place of <tt><font size=+1>line</font></tt>. + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + + <tt><font size=+1>next</font></tt> <i>optname</i> <tt><font size=+1>at</font></tt> <i>point linedesc</i>: Continue plot of data in <i>optname + to point</i>; default is current. + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + + <tt><font size=+1>draw</font></tt> <i>optname linedesc ...</i>: Set mode for <tt><font size=+1>next</font></tt>: use this style from + now on, and plot "..." at each point (if given). + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + + <tt><font size=+1>new</font></tt> <i>optname linedesc ...</i>: Set mode for <tt><font size=+1>next</font></tt>, but disconnect from + previous. + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + + A list of numbers <i>x y1 y2 y3 ...</i> is treated as <tt><font size=+1>plot bullet at</font></tt> + <i>x,y1</i>; <tt><font size=+1>plot bullet at</font></tt> <i>x,y2</i>; etc., or as <tt><font size=+1>next at</font></tt> <i>x,y1</i> etc., if <tt><font size=+1>draw</font></tt> + is specified. Abscissae of 1,2,3,... are provided if there is + only one input number per line. + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + + A point <i>optname expr, expr</i> maps the point to the named coordinate + system. A <i>linedesc</i> is one of <tt><font size=+1>dot dash invis solid</font></tt> optionally followed + by an expression. + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + + <tt><font size=+1>define</font></tt> <i>name</i> <tt><font size=+1>{</font></tt><i>whatever</i><tt><font size=+1>}</font></tt>: Define a macro. There are macros already + defined for standard plotting symbols like <tt><font size=+1>bullet</font></tt>, <tt><font size=+1>circle</font></tt>, <tt><font size=+1>star</font></tt>, + <tt><font size=+1>plus</font></tt>, etc., in <tt><font size=+1>/usr/local/plan9/lib/grap.defines</font></tt>, which is included + if it exists. + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + + <i>var</i> <tt><font size=+1>=</font></tt> <i>expr</i>: Evaluate an expression. Operators are <tt><font size=+1>+ − *</font></tt> and <tt><font size=+1>/</font></tt>. + Functions are <tt><font size=+1>log</font></tt> and <tt><font size=+1>exp</font></tt> (both base 10), <tt><font size=+1>sin</font></tt>, <tt><font size=+1>cos</font></tt>, <tt><font size=+1>sqrt</font></tt>; <tt><font size=+1>rand</font></tt> + returns random number on [0,1); <tt><font size=+1>max(</font></tt><i>e</i><tt><font size=+1>,</font></tt><i>e</i><tt><font size=+1>)</font></tt>, <tt><font size=+1>min(</font></tt><i>e</i><tt><font size=+1>,</font></tt><i>e</i><tt><font size=+1>)</font></tt>, <tt><font size=+1>int(</font></tt><i>e</i><tt><font size=+1>)</font></tt>. + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + + <tt><font size=+1>print</font></tt> <i>expr</i>; <tt><font size=+1>print "</font></tt><i>...</i><tt><font size=+1>"</font></tt>: As a debugging aid, print <i>expr</i> or <i>string</i> + on the standard error. + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + + <tt><font size=+1>copy "</font></tt><i>file name</i><tt><font size=+1>"</font></tt>: Include this file right here. + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + + <tt><font size=+1>copy thru</font></tt> <i>macro</i>: Pass rest of input (until <tt><font size=+1>.G2</font></tt>) through <i>macro</i>, + treating each field (non-blank, or "...") as an argument. <i>macro</i> + can be the name of a macro previously defined, or the body of + one in place, like <tt><font size=+1>/plot $1 at $2,$3/</font></tt>. + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + + <tt><font size=+1>copy thru</font></tt> <i>macro</i> <tt><font size=+1>until "</font></tt><i>string</i><tt><font size=+1>"</font></tt>: Stop copy when input is <i>string</i> (left-justified). + + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + + <tt><font size=+1>pic</font></tt> <i>remainder of line</i>: Copy to output with leading blanks removed. + + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + + <tt><font size=+1>graph</font></tt> <i>Name pic-position</i>: Start a new frame, place it at specified + position, e.g., <tt><font size=+1>graph Thing2 with .sw at Thing1.se + (0.1,0)</font></tt>. + <i>Name</i> must be capitalized to keep <i>pic</i> happy. + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + + <tt><font size=+1>.</font></tt><i>anything at beginning of line</i>: Copied verbatim. + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + + <tt><font size=+1>sh %</font></tt><i>anything</i> <tt><font size=+1>%</font></tt>: Pass everything between the <tt><font size=+1>%</font></tt>’s to the shell; + as with macros, <tt><font size=+1>%</font></tt> may be any character and <i>anything</i> may include + newlines. + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + + <tt><font size=+1>#</font></tt> <i>anything</i>: A comment, which is discarded. + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + + Order is mostly irrelevant; no category is mandatory. Any arguments + on the <tt><font size=+1>.G1</font></tt> line are placed on the generated <tt><font size=+1>.PS</font></tt> line for <i>pic</i>.<br> + +</table> +<p><font size=+1><b>EXAMPLES </b></font><br> + +<table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td> + + <tt><font size=+1>.G1<br> + frame ht 1 top invis right invis<br> + coord x 0, 10 y 1, 3 log y<br> + ticks left in at 1 "bottommost tick", 2,3 "top tick"<br> + ticks bot in from 0 to 10 by 2<br> + label bot "silly graph"<br> + label left "left side label" "here"<br> + grid left dashed at 2.5<br> + copy thru / circle at $1,$2 /<br> + 1 1<br> + 2 1.5<br> + 3 2<br> + 4 1.5<br> + 10 3<br> + .G2<br> + frame ht 1 top invis right invis<br> + coord x 0, 10 y 1, 3 log y<br> + ticks left in at 1 "bottommost tick", 2,3 "top tick"<br> + ticks bot in from 0 to 10 by 2<br> + label bot "silly graph"<br> + label left "left side label" "here"<br> + grid left dashed at 2.5<br> + copy thru / circle at $1,$2 /<br> + 1 1<br> + 2 1.5<br> + 3 2<br> + 4 1.5<br> + 10 3<br> + </font></tt> +</table> +<p><font size=+1><b>FILES </b></font><br> + +<table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td> + + <tt><font size=+1>/usr/local/plan9/lib/grap.defines</font></tt> definitions of standard plotting + characters, e.g., bullet<br> + +</table> +<p><font size=+1><b>SOURCE </b></font><br> + +<table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td> + + <tt><font size=+1>/usr/local/plan9/src/cmd/grap<br> + </font></tt> +</table> +<p><font size=+1><b>SEE ALSO </b></font><br> + +<table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td> + + <a href="../man1/pic.html"><i>pic</i>(1)</a>, <a href="../man1/troff.html"><i>troff</i>(1)</a><br> + J. L. Bentley and B. W. Kernighan, “GRAP--A Language for Typesetting + Graphs”, <i>Unix Research System Programmer’s Manual,</i> Tenth Edition, + Volume 2.<br> + +</table> + +<td width=20> +<tr height=20><td> +</table> +<!-- TRAILER --> +<table border=0 cellpadding=0 cellspacing=0 width=100%> +<tr height=15><td width=10><td><td width=10> +<tr><td><td> +<center> +<a href="../../"><img src="../../dist/spaceglenda100.png" alt="Space Glenda" border=1></a> +</center> +</table> +<!-- TRAILER --> +</body></html> |