CS 5620/6620 - Fall 2025 - Rendering with Ray Tracing

Project 12 - Photon Mapping

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Austin H Kim

Thu, Nov 20, 2025 @ 3:46 pm

[10Mil Photons w. 64 depth - Photon Map radius 0.5 ellipse 0.33 - Caustics radius 0.01 ellipse 0.85 ] // THREE GI Samples // Low-discrepancy 16-64SPP // CI 95% 0.01 // 12 Threads // Core i7-10750H // Render-time 00:22:22 // Saved a little more than a hour WOOOO LOOK AT THAT

Tue, Nov 18, 2025 @ 12:21 am

[10Mil Photons w. 64 depth - Photon Map radius 0.5 ellipse 0.33 - Caustics radius 0.01 ellipse 0.85 ] // THREE GI Samples // Low-discrepancy 16-64SPP // CI 95% 0.01 // 12 Threads // Core i7-10750H // Render-time 00:15:01 // Sampled the Normal this time. The caustics on the wall behave more correctly now.

Mon, Nov 17, 2025 @ 3:41 pm

[ 10Mil Photons - 64 depth - Photon Map radius 0.5* ellipse 0.33 - Caustics radius 0.01* ellipse 0.85 ] // TWO GI Samples // Low-discrepancy 16-64SPP // CI 95% 0.01 // 12 Threads // Core i7-10750H // Render-time 00:12:01 Pretty much doubled

Mon, Nov 17, 2025 @ 2:12 pm

GI REFERENCE!!!!!! // Low-Discrepancy 256-1024SPP // 1 Hemisphere sample // 16 depth // 95% CI 0.01 // 12 threads // Core i7-10750H // Render-time 16:01

Mon, Nov 17, 2025 @ 1:52 pm

[ 10Mil Photons - 64 depth - Photon Map radius 0.5* ellipse 0.33 - Caustics radius 0.01* ellipse 0.85 ] // Low-discrepancy 16-64SPP // 95% Confidence @ 0.01 // 12 Threads // Core i7-10750H // Render-time 00:06:36 // at that many photons a smaller radius is more than enough LOOOL I SAVED 25 MINUTES

Mon, Nov 17, 2025 @ 12:51 pm

[ 10Mil Photons - 64 depth - Photon Map radius 1.5 ellipse 0.33 - Caustics radius 1.5 ellipse 0.85 ] // Low-discrepancy 16-64SPP // 95% Confidence @ 0.01 // 12 Threads // Core i7-10750H // Render-time 00:33:15 //the thing seems to be overly shiny.

Mon, Nov 17, 2025 @ 10:48 am

This is without final gathering

Mon, Nov 17, 2025 @ 7:16 am

[ 100k Photons - 64 depth - Photon Map radius 1.5 ellipse 0.33 - Caustics radius 0.5 ellipse 0.25 ] // Low-discrepancy 16-64SPP // 95% Confidence @ 0.01 // 12 Threads // Core i7-10750H // Render-time 00:10:16

Mon, Nov 17, 2025 @ 7:15 am

[1MIL Photons - 64 depth - rad 1.5 ellipse 0.33 - r 0.5 ellipse 0.25] // Low-discrepancy 4-16SPP // 95% Confidence // MAX_DELTA 0.01 // 12 Threads // Core i7-10750H // Render-time like 00:05:30 // Barely looks any different. 2x the time but not 2x the quality lol

Mon, Nov 17, 2025 @ 7:14 am

Thank god Final Gathering was Easy. // [100k Photons - 64 depth - rad 1.5 ellipse 0.33 - r 0.5 ellipse 0.25] // Low-discrepancy 4-16SPP // 95% Confidence // MAX_DELTA 0.01 // 12 Threads // Core i7-10750H // Render-time like 00:02:30

Mon, Nov 17, 2025 @ 7:08 am

FI XED

Mon, Nov 17, 2025 @ 7:07 am

Got caustics b/c I thought the photon direction were in the opposite direction. yay crimmas

Mon, Nov 17, 2025 @ 7:07 am

Just gon post a bunhc o f pics. Code got WAY too messy bug fixing was stupid. So did the genuionely best thing and redid the photon mapping code and

Sun, Nov 16, 2025 @ 4:45 am

ITS SOMETHING????? DIFUUSE ONLY

Tue, Nov 11, 2025 @ 3:43 am

Lmao imagine if I really did do this in a day?MC Global lol