diff options
Diffstat (limited to 'doc/pic.ms')
| -rw-r--r-- | doc/pic.ms | 31 |
1 files changed, 16 insertions, 15 deletions
@@ -10,7 +10,7 @@ .\" This document was written for free use and redistribution by .\" Eric S. Raymond <esr@thyrsus.com> in August 1995. .\" -.\" $Id: pic.ms,v 1.2 2000/11/14 20:40:27 wlemb Exp $ +.\" $Id: pic.ms,v 1.3 2001/04/13 17:11:32 wlemb Exp $ .\" .\" Set a proper TeX .ie t .ds tx T\h'-.1667m'\v'.224m'E\v'-.224m'\h'-.125m'X @@ -806,7 +806,7 @@ Objects are also numbered backwards by type from the last one of You can say \fB2nd last box\fP to get the second-to-last box, or \fB3rd last ellipse\fP to get the third-to-last box. .PP -In places where \fIn\fBth\fP is allowed, \fB`\fIexpr\fB'th\fP is also allowed. +In places where \fIn\fBth\fR is allowed, \fB`\fIexpr\fB'th\fR is also allowed. Note that .B 'th is a single token: no space is allowed between the @@ -947,7 +947,7 @@ abbreviated to \fB.t\fP, \fB.b\fP, \fB.l\fP and \fB.r\fP). .PP The names \fBcenter\fP, \fBtop\fP, \fBbottom\fP, \fBleft\fP and \fBright\fP can also be used (without the leading dot) in a prefix -form marked by \fBof\fP; thus, \fPcenter of last circle\fB and +form marked by \fBof\fP; thus, \fBcenter of last circle\fP and \fBtop of 2nd last ellipse\fP are both valid object references. .PP Arc objects also have compass point; they are the compass points of @@ -1004,7 +1004,7 @@ numerator/denominator form or may be an ordinary number (values are \&\fInot\fP restricted to [0,1]). As an alternative to this verbose syntax, you can say `\fIfraction\fP \fB<\fP\fIposition1\fP \fB,\fP \fIposition2\fP\fB>\fP.'; thus, the example could also be written -\fB1/3\fP <here, last ellipse>\fP. +\fB1/3 <here, last ellipse>\fP. .KS .PS arrow up right; @@ -1048,9 +1048,9 @@ objects. .KS .PS box invis wid 2 height 1; -dot(last box .ne); "\fB(B,A)\fB is here" ljust at last circle + (0.1, 0.1); +dot(last box .ne); "\fB(B,A)\fP is here" ljust at last circle + (0.1, 0.1); dot(last box .se); "B" ljust at last circle + (0.1, -0.1) -dot(last box .sw); "\fB(A,B)\fB is here" rjust at last circle + (-0.1, -0.1); +dot(last box .sw); "\fB(A,B)\fP is here" rjust at last circle + (-0.1, -0.1); dot(last box .nw); "A" ljust at last circle + (-0.1, 0.1) .PE .CE "5: Using (\fIx\fP, \fIy\fP) composition" @@ -1368,16 +1368,17 @@ the usual way using parentheses. GNU \fBgpic\fP allows logical operators to appear in expressions; ! (logical negation, not factorial), &&, ||, ==, !=, >=, <=, <, >. .PP -Various built-in functions are supported: \fBsin(\fIx\fP)\fP, -\fBcos(\fIx\fP)\fP, \fBlog(\fIx\fP)\fP, \fBexp(\fIx\fP)\fP, -\fBsqrt(\fIx\fP)\fP, \fBmax(\fIx\fP,\fIy\fP)\fP, -\fBatan2(\fIx\fP,\fIy\fP)\fP, \fBmin(\fIx\fP,\fIy\fP)\fP, -\fBint(\fIx\fP\fB)\fP, and \fBrand()\fP, Both \fBexp\fP and \fBlog\fP are +Various built-in functions are supported: \fBsin(\fIx\fB)\fR, +\fBcos(\fIx\fB)\fR, \fBlog(\fIx\fB)\fR, \fBexp(\fIx\fB)\fR, +\fBsqrt(\fIx\fB)\fR, \fBmax(\fIx\fB,\fIy\fB)\fR, +\fBatan2(\fIx\fB,\fIy\fB)\fR, \fBmin(\fIx\fB,\fIy\fB)\fR, +\fBint(\fIx\fB)\fR, and \fBrand()\fP. +Both \fBexp\fP and \fBlog\fP are base 10; \fBint\fP does integer truncation; and \fBrand()\fP returns a random number in [0-1). .PP GNU \fBgpic\fP also documents a one-argument form or rand, -\fBrand(\fIx\fP\fB)\fP, which returns a random number between 1 and +\fBrand(\fIx\fB)\fR, which returns a random number between 1 and \fIx\fP, but this is deprecated and may be removed in a future version. .PP @@ -1966,7 +1967,7 @@ multiple-part pattern: \& \& line down from 1st box .s lineht; \& A: line down; -\& line down from 2nd box .s; filter "\\fBhtml2ms"; +\& line down from 2nd box .s; filter "\\fBhtml2ms\\fP"; \& B: line down; \& line down from 3rd box .s; filter "\\fBformat\\fP"; \& C: line down; @@ -2032,7 +2033,7 @@ Top: [ line down from 1st box .s lineht; A: line down; - line down from 2nd box .s; filter "\fBhtml2ms"; + line down from 2nd box .s; filter "\fBhtml2ms\fP"; B: line down; line down from 3rd box .s; filter "\fBformat\fP"; C: line down; @@ -2293,7 +2294,7 @@ Objects of a given type are numbered from 1 upwards in order of declaration; the \fBlast\fP modifier counts backwards. .PP The "'th" form (which allows you to select a previous object with an -expression, as opposed to a numeric literal) is bnot documented in DWB +expression, as opposed to a numeric literal) is not documented in DWB \fBpic\fR(1). .PP The following style variables control output: |