From ad547a6b5986815fda458221149728d9d9ab1d87 Mon Sep 17 00:00:00 2001
From: Karl Berry <karl@freefriends.org>
Date: Thu, 25 Feb 2021 19:22:25 +0000
Subject: restore Build,TODO from r57911

git-svn-id: svn://tug.org/texlive/trunk@57915 c570f23f-e606-0410-a88d-b1316a301751
---
 .../source/utils/asymptote/doc/GaussianSurface.asy  | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 Build/source/utils/asymptote/doc/GaussianSurface.asy

(limited to 'Build/source/utils/asymptote/doc/GaussianSurface.asy')

diff --git a/Build/source/utils/asymptote/doc/GaussianSurface.asy b/Build/source/utils/asymptote/doc/GaussianSurface.asy
new file mode 100644
index 00000000000..bf198a6a243
--- /dev/null
+++ b/Build/source/utils/asymptote/doc/GaussianSurface.asy
@@ -0,0 +1,21 @@
+import graph3;
+
+size(200,0);
+
+currentprojection=perspective(10,8,4);
+
+real f(pair z) {return 0.5+exp(-abs(z)^2);}
+
+draw((-1,-1,0)--(1,-1,0)--(1,1,0)--(-1,1,0)--cycle);
+
+draw(arc(0.12Z,0.2,90,60,90,25),ArcArrow3);
+
+surface s=surface(f,(-1,-1),(1,1),nx=5,Spline);
+
+xaxis3(Label("$x$"),red,Arrow3);
+yaxis3(Label("$y$"),red,Arrow3);
+zaxis3(XYZero(extend=true),red,Arrow3);
+
+draw(s,lightgray,meshpen=black+thick(),nolight,render(merge=true));
+
+label("$O$",O,-Z+Y,red);
-- 
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