diff options
Diffstat (limited to 'grapheps.ps')
| -rw-r--r-- | grapheps.ps | 36 |
1 files changed, 23 insertions, 13 deletions
diff --git a/grapheps.ps b/grapheps.ps index 87658dd..95f200e 100644 --- a/grapheps.ps +++ b/grapheps.ps @@ -1,7 +1,9 @@ -%%EndComments /plotdict 100 dict def plotdict begin +% Get dimensions the preamble left on the stack. +4 array astore /whole-page exch def + % Definitions so that internal assignments are bound before setting. /DATA 0 def /DEN 0 def @@ -68,8 +70,11 @@ plotdict begin {lineto} {currentpoint pop topedge lineto closepath fill}] bind def % Render lines from x-axis to points -/impulse [{} {moveto currentpoint pop 0 lineto} {}] bind def -/bargraph [{} {exch GR sub exch 0 exch GD exch rectstroke} {}] bind def +/impulse [{} {moveto XRNG 0 get 0 gtrans exch pop + currentpoint pop exch lineto} {}] bind def +/bargraph [{} {exch GR sub exch dup + XRNG 0 get 0 gtrans exch pop % y=0 + exch sub GD exch rectstroke} {}] bind def % Solid round dot. /disc [{GD setlinewidth 1 setlinecap} @@ -97,14 +102,14 @@ plotdict begin {}] bind def % Triangle pointing upward /triup [{} - {2 copy GR 1.12 mul add moveto GR neg GR -1.62 mul rlineto - GR 2 mul 0 rlineto GR neg GR 1.62 mul rlineto + {GR 1.12 mul add moveto GR neg GR -1.62 mul rlineto + GR 2 mul 0 rlineto GR neg GR 1.62 mul rlineto closepath} {}] bind def % Triangle pointing downward /tridown [{} - {2 copy GR 1.12 mul sub moveto GR neg GR 1.62 mul rlineto - GR 2 mul 0 rlineto GR neg GR -1.62 mul rlineto + {GR 1.12 mul sub moveto GR neg GR 1.62 mul rlineto + GR 2 mul 0 rlineto GR neg GR -1.62 mul rlineto closepath} {}] bind def /pentagon [{} @@ -148,9 +153,6 @@ plotdict begin grestore } bind def -/whole-page -{clippath pathbbox 2 index sub exch 3 index sub exch 4 array astore} bind def - /partition-page { /YPARTS exch def /XPARTS exch def /WPAGE exch def /XWID WPAGE 2 get XPARTS div def /YHIT WPAGE 3 get YPARTS div def @@ -172,8 +174,8 @@ plotdict begin { /YRNG exch def /XRNG exch def /graphrect exch def /PLOT-bmargin pointsize 2.4 mul def /PLOT-tmargin pointsize 2.4 mul def - /PLOT-lmargin (-.0123456789) stringwidth pop pointsize 1.2 mul add def - /PLOT-rmargin (-.0123456789) stringwidth pop pointsize 1.2 mul add def + /PLOT-lmargin lmargin-template stringwidth pop pointsize 1.2 mul add def + /PLOT-rmargin rmargin-template stringwidth pop pointsize 1.2 mul add def /plotrect [ graphrect 0 get PLOT-lmargin add graphrect 1 get PLOT-bmargin add graphrect 2 get PLOT-lmargin sub PLOT-rmargin sub @@ -186,7 +188,7 @@ plotdict begin /YTSCL plotrect 3 get YRNG aload pop exch sub find-tick-scale def /YSTEP YTSCL 0 get 3 mod 0 eq {6} {8} ifelse 5 mul yuntrans def /XTSCL plotrect 2 get XRNG aload pop exch sub find-tick-scale def - /XSTEP XTSCL 0 get 3 mod 0 eq {6} {8} ifelse 10 mul xuntrans def + /XSTEP XTSCL 0 get 3 mod 0 eq {12} {10} ifelse 5 mul xuntrans def /YSTEPH YSTEP 2 div def /XSTEPH XSTEP 2 div def } bind def @@ -329,8 +331,16 @@ bind def /fill-rect {aload pop rectfill} bind def /clip-to-rect {aload pop rectclip} bind def +/gstack [] def +/gpush {gsave /gstack [ gstack pointsize glyphsize ] def} bind def +/gpop {/gstack gstack aload pop /glyphsize exch def /pointsize exch def def grestore} bind def + % Default parameters +% The legend-templates are strings used to reserve horizontal space +/lmargin-template (-.0123456789) def +/rmargin-template (-.0123456789) def + % glyphsize is the graphic-glyph size; GR, graphic radius, is % glyphsize/2. Line width, set by "setlinewidth", must be much less % than glyphsize for readable glyphs. |