--- ray/doc/ray.html 2020/09/03 15:46:32 1.29
+++ ray/doc/ray.html 2023/05/11 17:18:39 1.31
@@ -1,5 +1,5 @@
-
+
The RADIANCE 5.4 Synthetic Imaging System
@@ -83,7 +83,7 @@ The diagram in Figure 1 shows the flow between program
(ovals).
The central program is rpict, which produces a picture from a scene
description.
-Rview is a variation of rpict that computes and displays images
+Rvu is a variation of rpict that computes and displays images
interactively, and rtrace computes single ray values.
Other programs (not shown) connect many of these elements together,
such as the executive programs
@@ -822,6 +822,8 @@ unless the line integrals consider enclosed geometry.
Also, rather than roughness, specular power is used, which has no
physical meaning other than larger numbers are equivalent to a smoother
surface.
+ Unlike other material types, total reflectance is the sum of
+ diffuse and specular colors, and should be adjusted accordingly.
mod ashik2 id
4+ ux uy uz funcfile transform
@@ -1807,7 +1809,7 @@ The details of this process are not important, but
directs the use of a scene description.
-
-Rview is ray-tracing program for viewing a scene interactively.
+Rvu is ray-tracing program for viewing a scene interactively.
When the user specifies a new perspective, rvu quickly displays a rough image on the terminal,
then progressively increases the resolution as the user looks on.
He can select a particular section of the image to improve, or move to a different view and start over.
@@ -1843,7 +1845,7 @@ Pictures may be displayed directly under X11 using the
or converted a standard image format using one of the following
translators: