add new image stuff

1 files changed, 25 insertions, 0 deletions

diff --git a/buch/papers/clifford/3d/dq.pov b/buch/papers/clifford/3d/dq.pov
new file mode 100644
index 0000000..92b702a
--- /dev/null
+++ b/buch/papers/clifford/3d/dq.pov
@@ -0,0 +1,25 @@
+//
+// dq.pov -- Drehung und Quaternion
+//
+// (c) 2021 Prof Dr Andreas Müller, OST Ostschweizer Fachhochschule
+//
+#include "common.inc"
+
+arrow(<0,0,0>, <1, sqrt(2), 2>, r, Red)
+
+#declare r = 0.2 * r;
+
+circlearrow(<1,0,0>, <0,0,1>, <1, sqrt(2), 0>, 1,         0.022)
+circlearrow(<1,0,0>, <0,1,0>, <1,       0, 2>, sqrt(2)/2, 0.022)
+circlearrow(<0,0,1>, <1,0,0>, <0, sqrt(2), 2>, 0.5,       0.022)
+
+#declare l = 2.8;
+#declare h = 0.0001;
+union {
+	box { <-l,-l,-h>, <l,l,-h> }
+	box { <-l,-h,-l>, <l,-h,l> }
+	box { <-h,-l,-l>, <-h,l,l> }
+	pigment {
+		color rgbt<0.6,0.6,0.6,0.0>
+	}
+}