From 6a32252403781b303d4ebd195932ce39c5b1c08e Mon Sep 17 00:00:00 2001
From: Simon Rettberg
Date: Tue, 30 Jul 2019 16:03:58 +0200
Subject: Update to 5.43

---
 hacks/glx/unknownpleasures.man | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'hacks/glx/unknownpleasures.man')

diff --git a/hacks/glx/unknownpleasures.man b/hacks/glx/unknownpleasures.man
index 2eab727..405d78f 100644
--- a/hacks/glx/unknownpleasures.man
+++ b/hacks/glx/unknownpleasures.man
@@ -13,6 +13,7 @@ unknownpleasures - a waterfall graph of the signal from pulsar PSR B1919+21.
 [\-resolution \fInumber\fP]
 [\-amplitude \fInumber\fP]
 [\-noise \fInumber\fP]
+[\-mask \fIfile\fP]
 [\-no-ortho]
 [\-buzz]
 [\-wireframe]
@@ -55,6 +56,11 @@ Height of the waves, 0 - 1.0.  Default: 0.13.
 .B \-noise \fInumber\fP
 How noisy the signal is. 2 for twice as noisy, 0.5 for half as noisy.
 .TP 8
+.B \-mask \fIfile\fP
+Use the given image file as a clipping mask against the data.
+A high contrast image of around 256x256 works best.
+Signal peaks appear in the dark areas.
+.TP 8
 .B \-ortho | \-no-ortho
 Whether to use an orthographic projection.
 .TP 8
-- 
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