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## [Gzz-commits] manuscripts/AGPU fillets.txt

 From: Tuomas J. Lukka Subject: [Gzz-commits] manuscripts/AGPU fillets.txt Date: Mon, 14 Apr 2003 07:03:30 -0400

```CVSROOT:        /cvsroot/gzz
Module name:    manuscripts
Changes by:     Tuomas J. Lukka <address@hidden>        03/04/14 07:03:28

Modified files:
AGPU           : fillets.txt

Log message:
Fillet twids

CVSWeb URLs:
http://savannah.gnu.org/cgi-bin/viewcvs/gzz/manuscripts/AGPU/fillets.txt.diff?tr1=1.5&tr2=1.6&r1=text&r2=text

Patches:
Index: manuscripts/AGPU/fillets.txt
diff -u manuscripts/AGPU/fillets.txt:1.5 manuscripts/AGPU/fillets.txt:1.6
--- manuscripts/AGPU/fillets.txt:1.5    Sat Apr 12 07:00:37 2003
+++ manuscripts/AGPU/fillets.txt        Mon Apr 14 07:03:28 2003
@@ -53,9 +53,9 @@
This is important for some of our user interfaces.
[ screenshot from fillets demo showing both wireframe and normal ]

-Fig.4. A more flexible algorithm for creating filleted shapes.
-This algorithm has to create the shape from polygons instead
-of prerendered textures.
+Fig.4. The mathematics behind a more flexible algorithm for creating
+filleted shapes.  This algorithm creates the shape from polygons instead
+of prerendered textures by shifting the vertices in a vertex program.

Fig.5. How edges of constant thickness and even of textures can be drawn
for the general polygonized shape using the Z buffer.
@@ -67,12 +67,12 @@
Fig.6. A random, badly laid out graph rendered using the polygonized
algorithm. To demonstrate the edge-drawing system, we have used a 1D
texture on the edge, creating two thin lines on the edges. The shapes
-are unbroken.
+are unbroken. Using features of the GPU this figure is drawn very quickly.

-Fig.7. Of course, since we're bevelling inside, we *can*, if we want to,
-also show the bevels using light. However, the angles of the bevels
-seen in the image need not correspond at all to the actual angles
-in the Z-buffer.
+Fig.7. Of course, since we're bevelling the edge anyway, we *can*, if
+we want to, also show the bevels using lighting. Naturally, the angles of
+the bevels seen in the image need not correspond at all to the actual
+angles in the Z-buffer.

```