add torus image

1 files changed, 69 insertions, 0 deletions

diff --git a/buch/chapters/95-homologie/torus/torus.pov b/buch/chapters/95-homologie/torus/torus.pov
new file mode 100644
index 0000000..292ad00
--- /dev/null
+++ b/buch/chapters/95-homologie/torus/torus.pov
@@ -0,0 +1,69 @@
+//
+// torus.pov
+//
+// (c) 2021 Prof Dr Andreas Müller, OST Ostschweizer Fachhochschule
+//
+#version 3.7;
+#include "colors.inc"
+
+global_settings {
+        assumed_gamma 1
+}
+
+#declare imagescale = 0.1;
+#declare r = 0.03;
+
+camera {
+        location <43, 25, -20>
+        look_at <0, 0, 0>
+        right 16/9 * x * imagescale
+        up y * imagescale
+}
+
+light_source {
+        <10, 20, -40> color White
+        area_light <1,0,0> <0,0,1>, 10, 10
+        adaptive 1
+        jitter
+}
+
+sky_sphere {
+        pigment {
+                color rgb<1,1,1>
+        }
+}
+
+#include "torus.inc"
+
+object {
+	torusflaeche()
+	pigment {
+		color rgbt<0.8,0.8,0.8,0.5>
+	}
+	finish {
+		specular 0.9
+		metallic
+	}
+}
+
+object {
+	zyklus1()
+	pigment {
+		color Red
+	}
+	finish {
+		specular 0.9
+		metallic
+	}
+}
+
+object {
+	zyklus2()
+	pigment {
+		color Blue
+	}
+	finish {
+		specular 0.9
+		metallic
+	}
+}