[Gzz-commits] journals/plans SA_2003.rst

[Janne V. Kujala]

CVSROOT:        /cvsroot/fenfire
Module name:    journals
Changes by:     Janne V. Kujala <address@hidden>        03/05/13 03:57:25

Modified files:
        plans          : SA_2003.rst 

Log message:
        buoys and irregu

CVSWeb URLs:
http://savannah.gnu.org/cgi-bin/viewcvs/fenfire/journals/plans/SA_2003.rst.diff?tr1=1.71&tr2=1.72&r1=text&r2=text

Patches:
Index: journals/plans/SA_2003.rst
diff -u journals/plans/SA_2003.rst:1.71 journals/plans/SA_2003.rst:1.72
--- journals/plans/SA_2003.rst:1.71     Tue May 13 03:45:39 2003
+++ journals/plans/SA_2003.rst  Tue May 13 03:57:25 2003
@@ -233,8 +233,36 @@
 
 One of the most important tasks in maintaining user orientation 
 is good layout and non-disruptive, fluid animation between views. 
-- irregu, nadir, buoys, etc.
+We are researching multiple methods for dynamically visualizing 
+the structure.
 
+We use buoys as link targets floating around the focus.
+What we call *buoy* is a commonly used tool in technical diagrams: 
+placing a label at the edge of the image and connecting the label
+to the relevant location (anchor) by a line (see Fig. [ref-fignasa]_).. 
+We research the geometry and layout of the buoy placement
+for coherent views and animation.
+
+*Break lines* are a technique used in technical drawing 
+for indicating
+where an object extends beyond what is drawn in the current
+diagram. It is visually clear since it uses a shape that
+is obviously not a part of the object's own shape
+(wiggly freehand line, see Fig. [ref-fignasa]_).
+We apply this technique by drawing the buoys as 
+non-photorealistical pieces torn off the target document. 
+To allow for fluid animation,
+the shapes of the break lines need to be carefully designed.
+
+.. figure:: ../../manuscripts/xupdf/mercury5part2
+   :width: 8.45cm
+   :label: fignasa
+
+   A NASA diagram for the Mercury 5
+   showing floating labels connected to their anchors
+   as well as break lines:
+   freehand lines are drawn to indicate that 
+   the depicted object extends beyond the section shown.
 
 Rendering text using the 3D hardware is problematic because
 the texturing algorithms are mainly designed for photorealistic