[Gzz-commits] gzz/Documentation/Manuscripts/Paper paper.tex

[Tuomas J. Lukka]

CVSROOT:        /cvsroot/gzz
Module name:    gzz
Changes by:     Tuomas J. Lukka <address@hidden>        02/12/01 17:20:31

Modified files:
        Documentation/Manuscripts/Paper: paper.tex 

Log message:
        Twids

CVSWeb URLs:
http://savannah.gnu.org/cgi-bin/viewcvs/gzz/gzz/Documentation/Manuscripts/Paper/paper.tex.diff?tr1=1.214&tr2=1.215&r1=text&r2=text

Patches:
Index: gzz/Documentation/Manuscripts/Paper/paper.tex
diff -u gzz/Documentation/Manuscripts/Paper/paper.tex:1.214 
gzz/Documentation/Manuscripts/Paper/paper.tex:1.215
--- gzz/Documentation/Manuscripts/Paper/paper.tex:1.214 Sun Dec  1 17:16:49 2002
+++ gzz/Documentation/Manuscripts/Paper/paper.tex       Sun Dec  1 17:20:31 2002
@@ -944,6 +944,22 @@
 strongly on the text scale; making it easy for the user to zoom
 fluidly in and out helps.
 
+We have not tried to attain infinite zoomability\cite{furnas00infinity}
+with the current implementation,
+but only the more modest goal of zooming within a range 
+that would be reasonable for a single PDF document, 
+i.e. approximately 100-fold
+difference between mininum and maximum zoom. 
+% This is in line with our
+% intended use, since it would be unreasonable 
+% to expect a texture to be recognizable
+% if a sub-pixel area were zoomed to the full screen.
+Of course, methods such as the ones 
+presented in \cite{furnas00infinity} could be used
+to allow the unique background to look similar 
+at different scales; however,
+this would remove the use of the texture as a cue of scale.
+
 A different type of visual problem is that our
 nonlinear use of the register combiners
 does have some ill effects: when zooming out the texture 
@@ -952,26 +968,11 @@
 It may be possible to alleviate this by modeling the texture mathematically
 and calculating the correct average and placing corrective terms to the
 equations.
-However, in the intended zooming range range (100-fold)
+However, in the intended zooming range 
 the current system is quite satisfactory.
 
-It is important that the background can be zoomed 
-to different resolutions.
-However, we are currently
-not trying to attain infinite zoomability\cite{furnas00infinity},
-but only the more modest goal of zooming within a range 
-that would be reasonable for a single PDF document, 
-i.e. approximately 100-fold
-difference between mininum and maximum zoom. 
-This is in line with our
-intended use, since it would be unreasonable 
-to expect a texture to be recognizable
-if a sub-pixel area were zoomed to the full screen.
-Of course, methods such as the ones 
-presented in \cite{furnas00infinity} could be used
-to allow the unique background to look similar 
-at different scales; however,
-this would remove the use of the texture as a cue of scale.
+% It is important that the background can be zoomed 
+% to different resolutions.
 
 % leads to aliasing: .... modeling textures mathematically , ...