= Assignment 2  Lazy KD-Tree =
== Mattias Bergbom ==
== Date submitted: 27 Apr 2006 ==
== Code emailed: 27 Apr 2006 3:02 AM ==
Writeup coming soon.

=== Description of implementation approach and comments ===


=== Final Images Rendered with my implementation of heightfield.cpp ===

'''killeroos-view1.pbrt (Killeroos visible)'''

attachment:killeroos-view1.jpg

|| || KD Tree || Lazy KD Tree || Ratio ||
||build time (secs) || 17.1 || 0 || 0% ||
||total time (secs) || 32.2 || 24.9 || 77% ||
||Num of nodes made || 2.75M || 1.19M || 43% ||
|| Triangle ray intersections || 673k || 827k || 123%||


"killeroos-view2.pbrt (Killeroos invisible)"

attachment:killeroos-view2.jpg

|| || KD Tree || Lazy KD Tree || Ratio ||
||build time (secs) || 17.4 || 0 || 0% ||
||total time (secs) || 29.9 || 13.2 || 44% ||
||Num of nodes made || 2.75M || 47 ||  0% ||
|| Triangle ray intersections || 758k || 776k || 102%||

"killeroos-view3.pbrt (close-up)"

attachment:killeroos-view3.jpg

|| || KD Tree || Lazy KD Tree || Ratio ||
||build time (secs) || __ || __ || __% ||
||total time (secs) || __ || __ || __% ||
||Num of nodes made || __ || __ || __% ||
|| Triangle ray intersections || __ || __ || __%||

"plants-view1.pbrt"

attachment:plants-view1.jpg

|| || KD Tree || Lazy KD Tree || Ratio ||
||build time (secs) || __ || __ || __% ||
||total time (secs) || __ || __ || __% ||
||Num of nodes made || __ || __ || __% ||
|| Triangle ray intersections || __ || __ || __%||

"plants-view2.pbrt"

attachment:plants-view2.jpg

|| || KD Tree || Lazy KD Tree || Ratio ||
||build time (secs) || __ || __ || __% ||
||total time (secs) || __ || __ || __% ||
||Num of nodes made || __ || __ || __% ||
|| Triangle ray intersections || __ || __ || __%||