--- a/DEVNOTES	Thu Jan 03 18:06:34 2008 +0100
+++ b/DEVNOTES	Wed Mar 19 17:18:59 2008 +0100
@@ -19,3 +19,8 @@
 (Container|Octree|KdTree) top;
 scene.setTop(top)  // top object in hierarchy
 top.optimize()     // build optimization structure
+
+Rework camera
+-------------
+Sampler - points in screen plane, 0..w:0..h
+Camera - transform point from sampler to a ray