# HG changeset patch
# User Markus Mützel <markus.muetzel@gmx.de>
# Date 1547905469 -3600
# Node ID 49eae759a3e2bdee40f222a9a7e1829a5b489eee
# Parent  3e7fa894731a354f922906009938c0a9fe1243fd
documentation: Slightly change figure with Voronoi diagram.

* geometryimages.m: Omit legend that was covering a large part of the figure.
  Use equal axis scaling to make the circle look non-elliptic.

* geometry.txi: Reference colors in caption of figure.

diff -r 3e7fa894731a -r 49eae759a3e2 doc/interpreter/geometry.txi
--- a/doc/interpreter/geometry.txi	Sat Jan 19 11:39:49 2019 +0100
+++ b/doc/interpreter/geometry.txi	Sat Jan 19 14:44:29 2019 +0100
@@ -313,7 +313,8 @@
 
 @float Figure,fig:voronoi
 @center @image{voronoi,4in}
-@caption{Delaunay triangulation and Voronoi diagram of a random set of points}
+@caption{Delaunay triangulation (blue lines) and Voronoi diagram (red lines)
+of a random set of points}
 @end float
 @end ifnotinfo
 
diff -r 3e7fa894731a -r 49eae759a3e2 doc/interpreter/geometryimages.m
--- a/doc/interpreter/geometryimages.m	Sat Jan 19 11:39:49 2019 +0100
+++ b/doc/interpreter/geometryimages.m	Sat Jan 19 14:44:29 2019 +0100
@@ -51,7 +51,8 @@
     yc = r * cos (pi*pc) + c(2);
     plot (xc, yc, "g-", "LineWidth", 3);
     axis ([0, 1, 0, 1]);
-    legend ("Delaunay Triangulation", "Voronoi Diagram");
+    set (gca, "dataaspectratio", [1, 1, 1],
+              "plotboxaspectratio", [1, 1, 1]);
     print (outfile, d_typ);
   elseif (strcmp (nm, "triplot"))
     rand ("state", 2)