--- dyna-draw-context.cpp.orig	2010-12-18 22:57:07.217999000 +0200
+++ dyna-draw-context.cpp	2010-12-19 12:09:10.442254400 +0200
@@ -309,12 +309,12 @@
         dc->pressure = DDC_DEFAULT_PRESSURE;
 
     if (gdk_event_get_axis (event, GDK_AXIS_XTILT, &dc->xtilt))
-        dc->xtilt = CLAMP (dc->xtilt, DDC_MIN_TILT, DDC_MAX_TILT);
+        dc->xtilt = CLAMP (dc->xtilt / 1024.0, DDC_MIN_TILT, DDC_MAX_TILT);
     else
         dc->xtilt = DDC_DEFAULT_TILT;
 
     if (gdk_event_get_axis (event, GDK_AXIS_YTILT, &dc->ytilt))
-        dc->ytilt = CLAMP (dc->ytilt, DDC_MIN_TILT, DDC_MAX_TILT);
+        dc->ytilt = CLAMP (dc->ytilt / 1024.0, DDC_MIN_TILT, DDC_MAX_TILT);
     else
         dc->ytilt = DDC_DEFAULT_TILT;
 }
@@ -359,7 +359,8 @@
         gdouble length = std::sqrt(dc->xtilt*dc->xtilt + dc->ytilt*dc->ytilt);;
 
         if (length > 0) {
-            Geom::Point ang1 = Geom::Point(dc->ytilt/length, dc->xtilt/length);
+            // x=-y, y=x rotates 90degs counter clockwise, but x and y directions are swapped before already?
+            Geom::Point ang1 = Geom::Point(-dc->xtilt/length, dc->ytilt/length);
             a1 = atan2(ang1);
         }
         else