some cleanup; GRASS_PNGFILE for pdf etc remains confusing

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@38744 15284696-431f-4ddb-bdfa-cd5b030d7da7

lib/cairodriver/cairodriver.html

@@ -95,51 +95,28 @@ Several environment variables affect the operation of the Cairo driver:
 
 <H3>Examples</H3>
 
-Example using the driver directly (bash-syntax):
+Example using the driver to generate a PNG file (bash-syntax):
 <div class="code"><PRE>
 export GRASS_PNGFILE=spearfish.png
 export GRASS_WIDTH=800
 export GRASS_HEIGHT=800
+export GRASS_RENDER_IMMEDIATE=CAIRO
 
-d.mon start=cairo
 d.rast map=elevation.10m
 d.vect map=streams width=1 color=blue fcolor=aqua type=area,line
 d.vect map=roads width=2
-d.mon stop=cairo
 </PRE></div>
 
-Example using <em><a href="d.out.file.html">d.out.file</a></em>:
+Example using the driver to generate a PDF file (bash-syntax):
 <div class="code"><PRE>
-d.mon x0
+export GRASS_PNGFILE=spearfish.pdf
+export GRASS_WIDTH=800
+export GRASS_HEIGHT=800
+export GRASS_RENDER_IMMEDIATE=CAIRO
+
 d.rast map=elevation.10m
 d.vect map=streams width=1 color=blue fcolor=aqua type=area,line
 d.vect map=roads width=2
-
-d.out.file -c sf_cairo format=png size=800,800
-</PRE></div>
-
-<P>
-A more complicated example using <em><a href="d.out.file.html">d.out.file</a></em>:
-<div class="code"><PRE>
-r.shaded.relief map=elevation.dem
-r.watershed elev=elevation.dem basin=watershed.basin thresh=10000
-
-d.mon x1
-d.shadedmap rel=elevation.dem.shade drape=watershed.basin bright=30
-d.vect streams color=aqua fcolor=aqua type=area,line
-d.vect roads where="label ~ 'light-duty road'" color=grey
-d.vect roads where="label ~ 'unimproved'" color=orange
-d.vect roads where="label ~ 'secondary highway'" color=100:100:100 width=2
-d.vect roads where="label ~ 'primary highway'" color=50:50:50 width=2
-d.vect railroads col=red width=2
-d.vect roads where="label = 'interstate'" color=black width=3
-
-d.vect archsites icon=basic/star size=25 fcolor=yellow
-
-d.font Andale_Mono
-echo "Spearfish, SD" | d.text color=black at=28,53 -b
-
-d.out.file -c sf_cairo2 format=png
 </PRE></div>
 
 
@@ -160,24 +137,17 @@ if the selected format doesn't support a necessary feature, Cairo may
 fall back on rendering a bitmap representation of the image wrapped in
 the selected vector format.
 
-<P>
-Cairo driver output via <em><A HREF="d.out.file.html">d.out.file</A></em>
-is supported via the -c flag.</P>
-
 <h2>SEE ALSO</h2>
 <EM>
-<A HREF="htmlmapdriver.html">HTMLMAP driver</A>,
 <A HREF="pngdriver.html">PNG driver</A>,
 <A HREF="psdriver.html">PostScript driver</A>,
-<A href="xdriver.html">XDRIVER</A>
 <BR>
 <A HREF="d.frame.html">d.frame</A>,
-<A href="d.mon.html">d.mon</A>,
 <A href="d.rast.html">d.rast</A>,
 <A href="d.vect.html">d.vect</A>
-<A href="d.out.file.html">d.out.file</A>
 </EM>
 
 <H2>AUTHOR</H2>
 Lars Ahlzen &lt;<I>lars (at) ahlzen.com</I>&gt;<BR>
 and the GRASS Development Team.
+