[Gzz-commits] gzz/doc/pegboard/vobuml--tjl peg.rst

[Tuomas J. Lukka]

CVSROOT:        /cvsroot/gzz
Module name:    gzz
Changes by:     Tuomas J. Lukka <address@hidden>        03/01/01 08:23:29

Modified files:
        doc/pegboard/vobuml--tjl: peg.rst 

Log message:
        Less nonsensical example, also explain creation

CVSWeb URLs:
http://savannah.gnu.org/cgi-bin/viewcvs/gzz/gzz/doc/pegboard/vobuml--tjl/peg.rst.diff?tr1=1.7&tr2=1.8&r1=text&r2=text

Patches:
Index: gzz/doc/pegboard/vobuml--tjl/peg.rst
diff -u gzz/doc/pegboard/vobuml--tjl/peg.rst:1.7 
gzz/doc/pegboard/vobuml--tjl/peg.rst:1.8
--- gzz/doc/pegboard/vobuml--tjl/peg.rst:1.7    Wed Jan  1 08:19:53 2003
+++ gzz/doc/pegboard/vobuml--tjl/peg.rst        Wed Jan  1 08:23:29 2003
@@ -3,8 +3,8 @@
 =============================================================
 
 :Author:   Tuomas J. Lukka
-:Last-Modified: $Date: 2003/01/01 13:19:53 $
-:Revision: $Revision: 1.7 $
+:Last-Modified: $Date: 2003/01/01 13:23:29 $
+:Revision: $Revision: 1.8 $
 :Status:   Incomplete
 
 With PP and hierarchical coordinate systems, 
@@ -113,7 +113,8 @@
 in the same VobScene are represented as arrows; the arrow for
 transform parenthood (A ``vobtransform`` B == A is child of B)
 is thin and possibly contains (at the arrow end)
-the index of the parent as a role. The interpolation parenthood
+the index or the name of the parent's role. 
+The interpolation parenthood
 (A ``vobsubmatch`` B == A is interp child of B)
 is represented by a thick arrow. 
 
@@ -123,9 +124,9 @@
 
     class B "scaleCS"
 
-    class C "orthoCS"
-       vobtransform - role(0) A
-       vobtransform - role(1) B
+    class C "cullCS"
+       vobtransform - role(parent) A
+       vobtransform - role(clip) B
 
     pat = vobsubmatch C A
 
@@ -136,6 +137,13 @@
     C.c = (50, -150);
     pat.p = C.c{left} ... A.c{right};
 
+In the above diagram, there are three coordinate systems,
+and the corresponding code would be approximately (A given 
+as parameter)::
+
+    B = vs.coords.scale(0, ...)
+    C = vs.coords.cull(A, B)
+    vs.matcher.addSub(A, C, ...)
 
 Relationships of Vobs
 ---------------------