[Gzz-commits] manuscripts/FilletArt filletart.rst

[Tuomas J. Lukka]

CVSROOT:        /cvsroot/gzz
Module name:    manuscripts
Changes by:     Tuomas J. Lukka <address@hidden>        03/05/10 15:19:28

Modified files:
        FilletArt      : filletart.rst 

Log message:
        reorg

CVSWeb URLs:
http://savannah.gnu.org/cgi-bin/viewcvs/gzz/manuscripts/FilletArt/filletart.rst.diff?tr1=1.4&tr2=1.5&r1=text&r2=text

Patches:
Index: manuscripts/FilletArt/filletart.rst
diff -u manuscripts/FilletArt/filletart.rst:1.4 
manuscripts/FilletArt/filletart.rst:1.5
--- manuscripts/FilletArt/filletart.rst:1.4     Sat May 10 10:50:03 2003
+++ manuscripts/FilletArt/filletart.rst Sat May 10 15:19:28 2003
@@ -4,17 +4,28 @@
 
     Tuomas J. Lukka, Janne V. Kujala and Marketta Niemelä
 
-[ We've left out the official references since they're available
+[ We've left out most of the official references since 
+  they're available
   in the original article - hope that's as was intended..
+  If not, tell us
+
+  Asterisks like *this* signify that the word "this"
+  should be italicized.
 ]
 
 [1500-2000 words - quarterpageimages * 262]
 [quarterpageimages = 2   --> ]
 
 Diagrams of graphs (*nodes* connected by *arcs*) are usually drawn
-using boxes and lines between them.  For simple graphs, this is quite
-satisfactory, but when lines must cross each other and  the graph is badly
-laid out, the boxes-and-lines drawings can actually be ambiguous.  If the
+using boxes and lines between them.  
+Displaying relationships between nodes by lines or arcs is efficient as
+physical connection makes the nodes to be perceived as parts of a single
+object, according to the law of connectivity (one of the laws of
+perceptual organization). Therefore, the viewer needs no conscious effort
+to perceive the semantic relationship between the nodes. 
+For simple graphs, this is quite
+satisfactory, but when lines must cross each other and the graph is badly
+laid out, the boxes-and-lines drawings can actually be ambiguous. If the
 layout cannot be changed (or if that would lead to other complications),
 a rendering method which allows the viewer to distinguish between the
 different possibilities is needed.
@@ -39,20 +50,18 @@
 known as *blending* - creating surfaces that 
 meet several existing surfaces smoothly.
 
-Displaying relationships between nodes by lines or arcs is efficient as
-physical connection makes the nodes to be perceived as parts of a single
-object, according to the law of connectivity (one of the laws of
-perceptual organization). Therefore, the viewer needs no conscious effort
-to perceive the semantic relationship between the nodes. Fillets aim to
+Fillets aim to
 enhance the perception of connectivity by implementing the connecting
-lines with continuity. The node and the connecting line form one object,
+lines with continuity. 
+The node and the connecting line form one object,
 without an abrupt disruption in perception, thus making it easy to follow
 the connection between nodes.
-
 Our use of fillets is entertainingly analogous to the use in mechanical
-engineering: fillets ensure that the human perception system
+engineering: 
+fillets ensure that the human perception system
 doesn't break an object and a connection starting
 from it into two distinct objects.
+
 The filling of connections in graph diagrams
 conforms to the Gestalt 
 principle of good