--- a/man/man1/ltpict.1 Tue Apr 08 22:56:10 2014 +0100
+++ b/man/man1/ltpict.1 Tue Apr 08 22:56:34 2014 +0100
@@ -1,6 +1,6 @@
-.TH "LTPICT" "1" "11/03/14" "RADIANCE" ""
+.TH "LTPICT" "1" "08/04/14" "RADIANCE" ""
.SH "NAME"
-ltpict \- render a four\-view image of light source
+ltpict \- render a four\-view image of a light source
.SH "SYNOPSIS"
.B ltpict
[
@@ -18,12 +18,12 @@
an IES photometry file rather then a Radiance description of a
luminiare. In this case, Radiance's
.I ies2rad(1)
-is called with its default settings to convert the IES file into a
+is called with its default settings to convert the IES file to a
Radiance object.
.PP
The four projections presented are the lower hemisphere
(displayed in the upper left quadrant), the upper hemisphere
-(upper right), at the C0\-C180 plane (lower left) and at the
+(upper right), the C0\-C180 plane (lower left) and the
C90\-C270 plane (lower right).
.PP
Only one Radiance luminaire description or IES photometry file
@@ -33,7 +33,7 @@
the default dimensions of 1024 by 1024 pixels. The dimensions
may be overwritten with the
.I "\-d dimensions
-options which takes an integer that is divisible by two.
+option which takes an integer that is divisible by two.
.SH "EXAMPLES"
To render a four\-view image of photometry file ABC123.ies
and save the result to luminaire.hdr