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add Triple-Chamber Solarized Burn preset inspired by tropical palms reference photo

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Tom Maiaroto
2026-08-15 23:54:41 -07:00
parent 63fcd0d416
commit 43ff04744b
2 changed files with 26 additions and 6 deletions
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README.md
+1
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@@ -147,6 +147,7 @@ Simulates physical camera optical lens falloff, film gate framing, and procedura
## Features
- **Procedural Organic Light Leaks**: Generated entirely via PyTorch tensor math—no overlay images required! Features 10 authentic real-world film stock leak styles: `C-41 Fiery Core Flare` (red-orange to white-hot yellow core), `Crimson Red Base Burn` (acetate backing leak), `Tungsten Blue Burn` (front-element leak), `Vintage Magenta Leak` (expired film fog), `Sunburst Golden Flare`, `E-6 Slide Solarized Yellow`, `Overexposed White-Hot Flare`, `Anamorphic Prism Diffraction` (glass refraction: Amber $\to$ Rose $\to$ Cyan), `Dual-Tone Cyan & Amber`, and `Random Organic Multi-Layer`.
- **Realistic Film Burn Patterns**: Modeled directly after authentic analog camera light leaks:
* **`Triple-Chamber Solarized Burn`**: Modeled after heavy tropical beach overexposures featuring a sharp crimson gate bar on the left edge, a massive white-hot solarized yellow blowout in the center sky, and cool blue/magenta edge fogging on the right.
* **`Dual-Border Holga Leak`**: Modeled after plastic toy cameras (Holga/LOMO) with simultaneous left-side golden flare blob, right-side vertical light column, and top-sky magenta fogging.
* **`Wide Gate Leak (Asymmetric Bar)`**: Asymmetric wide vertical light band with a sharp right edge boundary (metal film gate shadow), soft left gradient, vertical intensity modulation, mid-strip gap breaks, and a secondary sub-strip flare on the opposite edge.
* **`Vertical Curtain Gap`**: Vertical light seam running top-to-bottom with soft edge gradients and vertical intensity fluctuations.
film_optics_artifacts.py
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@@ -41,6 +41,7 @@ class AfterDarkFilmOpticsArtifacts:
[
"Random / Scattered",
"Dual-Border Holga Leak",
"Triple-Chamber Solarized Burn",
"Wide Gate Leak (Asymmetric Bar)",
"Vertical Curtain Gap",
"Bottom Frame Burn",
@@ -170,7 +171,7 @@ class AfterDarkFilmOpticsArtifacts:
# Primary Leak Distance & Mask Geometry Calculation
if leak_location == "Dual-Border Holga Leak":
# Inspired directly by the Buddha statue reference photo:
# Inspired directly by Buddha statue reference photo:
# 1. Intense bottom-left golden flare blob
# 2. Right-side vertical golden light column
# 3. Soft top-sky magenta fogging
@@ -186,8 +187,26 @@ class AfterDarkFilmOpticsArtifacts:
core_mask = torch.clamp(mask_left * 1.5 + mask_right * 0.8 - 0.4, 0.0, 1.0)
dist = torch.sqrt(torch.clamp(1.0 - outer_mask, 1e-4, 1.0))
elif leak_location == "Triple-Chamber Solarized Burn":
# Inspired directly by Photo 1 (Tropical Palms):
# 1. Left crimson red gate bar (x ~ 0.05)
# 2. Center white-hot yellow blowout (x ~ 0.45, y ~ 0.30)
# 3. Right edge cool blue/magenta fogging (x ~ 0.90)
dist_left = torch.abs(grid_x - (0.06 + jitter_x * 0.2)) / (0.10 * scale_x)
mask_left = torch.exp(-(dist_left**2) / 0.35)
dist_center = torch.sqrt(((grid_x - (0.45 + jitter_x * 0.3)) / (0.45 * scale_x))**2 + ((grid_y - (0.25 + jitter_y * 0.3)) / (0.40 * scale_y))**2)
mask_center = torch.exp(-(dist_center**2) / 0.35) * 1.3
dist_right = torch.abs(grid_x - (0.92 + jitter_x * 0.2)) / (0.12 * scale_x)
mask_right = torch.exp(-(dist_right**2) / 0.35) * (0.5 + 0.5 * (1.0 - grid_y))
outer_mask = torch.clamp(mask_left + mask_center + mask_right, 0.0, 1.0) * (0.80 + 0.20 * noise_cloud)
core_mask = torch.clamp(mask_center * 1.4 - 0.4, 0.0, 1.0)
dist = torch.sqrt(torch.clamp(1.0 - outer_mask, 1e-4, 1.0))
elif leak_location in ("Wide Gate Leak (Asymmetric Bar)", "Vertical Curtain Gap"):
# Inspired directly by user reference images (Image 1 & 2):
# Inspired directly by user reference images:
# 1. Asymmetric sharp right gate edge (shadow of metal gate) + soft left bleed
# 2. Vertical intensity modulation & gap break in upper-middle
# 3. Secondary subtle strip on opposite edge
@@ -201,13 +220,13 @@ class AfterDarkFilmOpticsArtifacts:
right_edge = torch.clamp(1.0 - (dx - 0.2) * 14.0, 0.0, 1.0)
asymmetric_profile = left_edge * right_edge
# Vertical intensity modulation & gap break (inspired by Image 1 break in upper middle)
# Vertical intensity modulation & gap break
vert_modulation = 0.55 + 0.45 * torch.sin(grid_y * 3.14159 * 2.5 + jitter_y * 10.0)
gap_break = torch.clamp(1.0 - torch.exp(-((grid_y - (0.35 + jitter_y * 0.2))**2) / 0.015) * 0.85, 0.15, 1.0)
bar_mask = asymmetric_profile * vert_modulation * gap_break
# Secondary thin strip on opposite side (like Image 1 near bus!)
# Secondary thin strip on opposite side
sec_x = 0.15 - jitter_x * 0.3
sec_dist = torch.abs(grid_x - sec_x) / 0.06
sec_mask = torch.exp(-(sec_dist**2) / 0.35) * 0.35 * vert_modulation
@@ -217,7 +236,7 @@ class AfterDarkFilmOpticsArtifacts:
dist = torch.sqrt(torch.clamp(1.0 - outer_mask, 1e-4, 1.0))
elif leak_location == "Bottom Frame Burn":
# Inspired by Ref Image 1 & 3: Upward fiery flare from bottom edge with uneven height
# Upward fiery flare from bottom edge with uneven height
dist_y = torch.clamp(1.0 - grid_y - jitter_y, 0.0, 1.0) / scale_y
dist_x = torch.abs(grid_x - (0.4 + jitter_x)) / scale_x
dist = torch.sqrt(dist_x**2 + dist_y**2)
@@ -225,7 +244,7 @@ class AfterDarkFilmOpticsArtifacts:
core_mask = torch.exp(-(dist ** 2) / 0.06) * outer_mask
elif leak_location == "Dual-Edge Cross Burn":
# Inspired by Ref Image 2: Two opposing leaks (bottom flare + top corner leak)
# Two opposing leaks (bottom flare + top corner leak)
dist1 = torch.sqrt(((grid_x - (0.1 + jitter_x)) / scale_x)**2 + ((grid_y - (0.9 + jitter_y)) / scale_y)**2)
dist2 = torch.sqrt(((grid_x - (0.9 - jitter_x)) / scale_x)**2 + ((grid_y - (0.1 - jitter_y)) / scale_y)**2)
dist = torch.min(dist1, dist2)