Revision: 73123
http://sourceforge.net/p/brlcad/code/73123
Author: brlcad
Date: 2019-05-22 02:01:42 +0000 (Wed, 22 May 2019)
Log Message:
-----------
these were confusing as heck the first few read throughs. the description for
mode 1 using IFF was even technically wrong. reworded, given labels, and
expanded slightly for hopefully a bit more clarity.
Modified Paths:
--------------
brlcad/trunk/doc/docbook/system/man1/rtedge.xml
Modified: brlcad/trunk/doc/docbook/system/man1/rtedge.xml
===================================================================
--- brlcad/trunk/doc/docbook/system/man1/rtedge.xml 2019-05-22 01:50:35 UTC
(rev 73122)
+++ brlcad/trunk/doc/docbook/system/man1/rtedge.xml 2019-05-22 02:01:42 UTC
(rev 73123)
@@ -864,23 +864,26 @@
valid modes. Mode 2 is the default.
</para>
<para>
- <emphasis remap="B" role="B">mode 1 -</emphasis>
- An edge detected in the first set of geometry is written to
- the framebuffer if and only if it occludes the second set of
- geometry. The edge is colored according to the foreground or
- region colors options.
+ <emphasis remap="B" role="B">mode 1 - EDGES</emphasis> An
+ Only edge pixels are drawn. Edges detected in the first
+ set of geometry are written to the framebuffer if and only
+ if they are NOT occluded by the second set of geometry.
+ Edges are colored according to the foreground or region
+ color options.
</para>
<para>
- <emphasis remap="B" role="B">mode 2 -</emphasis>
- All pixels that hit the first set of geometry that are not
- occluded by the second set are written to the framebuffer.
- Edges are rendered in the foreground or region color; non-edges
- are rendered in the background color.
+ <emphasis remap="B" role="B">mode 2 - ALL HITS</emphasis>
+ Edge and non-edge pixels are drawn. All pixels that hit
+ the first set of geometry and are NOT occluded by the
+ second set are written to the framebuffer. Edges are
+ rendered in the foreground or region color; non-edges are
+ rendered in the background color.
</para>
<para>
- <emphasis remap="B" role="B">mode 3 -</emphasis>
- Like mode 2 except non-edge pixels are dithered to make the
- geometry semi-transparent.
+ <emphasis remap="B" role="B">mode 3 - DITHER</emphasis>
+ Edge and dithered non-edge pixels are drawn. This is like
+ mode 2 except non-edge pixels are dithered to make the
+ exterior geometry appear semi-transparent.
</para>
</listitem>
</varlistentry>
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