1 files changed, 16 insertions, 1 deletions
diff --git a/buch/papers/kugel/images/Makefile b/buch/papers/kugel/images/Makefile
index e8bf919..4226dab 100644
--- a/buch/papers/kugel/images/Makefile
+++ b/buch/papers/kugel/images/Makefile
@@ -3,7 +3,7 @@
 #
 # (c) 2022 Prof Dr Andreas Müller, OST Ostschweizer Fachhochschule
 #
-all: curvature.jpg
+all: curvature.jpg spherecurve.jpg
 
 curvature.inc:	curvgraph.m
 	octave curvgraph.m
@@ -13,3 +13,18 @@ curvature.png:	curvature.pov curvature.inc
 
 curvature.jpg:	curvature.png
 	convert curvature.png -density 300 -units PixelsPerInch curvature.jpg
+
+spherecurve2.inc:	spherecurve.m
+	octave spherecurve.m
+
+spherecurve.png:	spherecurve.pov spherecurve.inc
+	povray +A0.1 +W1080 +H1080 +Ospherecurve.png spherecurve.pov
+
+spherecurve.jpg:	spherecurve.png
+	convert spherecurve.png -density 300 -units PixelsPerInch spherecurve.jpg
+
+spherecurve:	spherecurve.cpp
+	g++ -o spherecurve -g -Wall -O spherecurve.cpp
+
+spherecurve.inc:	spherecurve
+	./spherecurve