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## [Gzz-commits] gzz/Documentation/Manuscripts/Irregu irregu.tex

 From: Janne V. Kujala Subject: [Gzz-commits] gzz/Documentation/Manuscripts/Irregu irregu.tex Date: Tue, 12 Nov 2002 07:03:36 -0500

```CVSROOT:        /cvsroot/gzz
Module name:    gzz
Changes by:     Janne V. Kujala <address@hidden>        02/11/12 07:03:34

Modified files:
Documentation/Manuscripts/Irregu: irregu.tex

Log message:
reorg

CVSWeb URLs:
http://savannah.gnu.org/cgi-bin/viewcvs/gzz/gzz/Documentation/Manuscripts/Irregu/irregu.tex.diff?tr1=1.21&tr2=1.22&r1=text&r2=text

Patches:
Index: gzz/Documentation/Manuscripts/Irregu/irregu.tex
diff -u gzz/Documentation/Manuscripts/Irregu/irregu.tex:1.21
gzz/Documentation/Manuscripts/Irregu/irregu.tex:1.22
--- gzz/Documentation/Manuscripts/Irregu/irregu.tex:1.21        Tue Nov 12
06:59:05 2002
+++ gzz/Documentation/Manuscripts/Irregu/irregu.tex     Tue Nov 12 07:03:34 2002
@@ -220,6 +220,15 @@

\section{Mathematical solution}

+Surface defined by \$(x, y, f(x,y))\$.
+The jagged version of an edge in the \$z=0\$ plane is obtained by first
+intersecting another plane going through the edge with the surface
+and then ``projecting'' the intersection to the \$z=0\$ plane.
+XXX: projecting so that the desired ``shape width'' is obtained.
+
+If the cutting plane is normal to \$z=0\$ plane, the edge is attached.
+Otherwise, the edge may be sprinkled.
+
\section{Hardware-accelerated implementation}

In the following, we shall concentrate on drawing one section
@@ -234,14 +243,8 @@

\subsection{A shape with the correct type of motion}

-Surface defined by \$(x, y, f(x,y))\$ stored in a ``displacement map'' texture.
-The jagged version of an edge in the \$z=0\$ plane is obtained by first
-intersecting another plane going through the edge with the surface
-and then ``projecting'' the intersection to the \$z=0\$ plane.
-XXX: projecting so that the desired ``shape width'' is obtained.
-
-If the cutting plane is normal to \$z=0\$ plane, the edge is attached.
-Otherwise, the edge may be sprinkled.
+stored in a ``displacement map'' texture

---

@@ -295,12 +298,6 @@

Image-space algorithm: ... slow on NV10

-\subsubsection{...}
-
-cite rip-maps
-
-
\subsubsection{Optimizations}

Pre-computed edge width: interpolated between
@@ -308,6 +305,7 @@

Non-photorealistic line-width through mip-mapping.
%Pyramidal parametrics, Lance Williams (mipmap) ref.
+cite rip-maps

Magnification

```