All three formats store the same ASC CDL parameters:
- Slope
- Offset
- Power
- Saturation
For each RGB channel:
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promto-c
/ asc-cdl-file-formats.md
Created
August 5, 2026 07:41
ASC CDL file formats: .cc vs .ccc vs .cdl, with compact examples.
promto-c
/ cli_image_browser.py
Created
May 20, 2026 22:14
ANSI 24-bit color terminal image browser with mouse selection, pan/zoom, native zoom, and sampling modes.
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| #!/usr/bin/env python3 | |
| # -*- coding: utf-8 -*- | |
| # Copyright (c) 2026 promto-c | |
| # SPDX-License-Identifier: MIT | |
| # Standard Library Imports | |
| # ------------------------ | |
| import argparse | |
| import curses |
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/ tde4_lens_reparameterization.py
Last active
March 1, 2026 16:17
Reference implementation for reparameterizing 3DE4 lens distortion coefficients across normalization or resolution changes, while preserving distortion invariance.
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| """ | |
| MIT License | |
| Copyright (c) 2026 promto-c | |
| Permission is hereby granted, free of charge, to any person obtaining a copy | |
| of this software and associated documentation files (the "Software"), to deal | |
| in the Software without restriction, including without limitation the rights | |
| to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
| copies of the Software, subject to the following conditions: |
promto-c
/ gsplat-from-multiview-workflow.md
Created
January 11, 2026 18:02
Step-by-step workflow: multi-view photos → COLMAP camera poses → Brush Web GSplat training → export and view .ply.
Photos → COLMAP (poses) → Brush (GSplat) → View
- COLMAP: https://github.com/colmap/colmap/releases
- Chrome / Edge (WebGPU) — required for Brush Web Demo: https://arthurbrussee.github.io/brush-demo/
- Images: .jpg or .png, static scene, sharp, consistent exposure and white balance, 60–80% overlap
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/ torch_device_info.py
Last active
January 9, 2026 21:19
Minimal cross-platform PyTorch device info.
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| import torch | |
| print("PyTorch version:", torch.__version__) | |
| # CUDA / ROCm (both use torch.cuda API in PyTorch) | |
| # ------------------------------------------------ | |
| has_cuda_api = torch.cuda.is_available() | |
| cuda_version = torch.version.cuda | |
| rocm_version = torch.version.hip # None if not ROCm build |
promto-c
/ pyqt_react_splitscreen_qwebchannel_demo.py
Created
January 9, 2026 20:12
PyQt + React splitscreen desktop demo using QWebEngineView and QWebChannel, showing bidirectional communication between native PyQt widgets and a React + Tailwind UI.
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| #!/usr/bin/env python3 | |
| # -*- coding: utf-8 -*- | |
| """Copyright (C) 2026 promto-c | |
| Permission Notice: | |
| - You are free to use, copy, modify, and distribute this software for any purpose. | |
| - No restrictions are imposed on its use. | |
| - Credit is appreciated but not required. | |
| - Use at your own risk; this software is provided "AS IS", without any warranty — express or implied — including, but not limited to, warranties of merchantability or fitness for a particular purpose. | |
| - This notice does not apply to any third-party libraries or dependencies; those are subject to their respective licenses. |
promto-c
/ rdp_curve_simplifier_demo.py
Created
December 8, 2025 19:26
Interactive PyQt visualizer for the Ramer–Douglas–Peucker (RDP) curve simplification algorithm. Includes live controls for epsilon, noise, point count, distance mode, threshold band visualization, and real-time plotting.
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| """Copyright (C) 2025 promto-c | |
| Permission Notice: | |
| - You are free to use, copy, modify, and distribute this software for any purpose. | |
| - No restrictions are imposed on its use. | |
| - Credit is appreciated but not required. | |
| - Use at your own risk; this software is provided "AS IS", without any warranty — express or implied — including, but not limited to, warranties of merchantability or fitness for a particular purpose. | |
| - This notice does not apply to any third-party libraries or dependencies; those are subject to their respective licenses. | |
| """ |
promto-c
/ silhouettefx_viewer_stream_mode.py
Created
October 26, 2025 11:01
A SilhouetteFX Python utility that manages the viewer’s stream mode (Left, Right, or Left-Right) and preserves selection by reselecting linked items in the opposite view.
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| """Copyright (C) 2025 promto-c | |
| Permission Notice: | |
| - You are free to use, copy, modify, and distribute this software for any purpose. | |
| - No restrictions are imposed on its use. | |
| - Credit is appreciated but not required. | |
| - Use at your own risk; this software is provided "AS IS", without any warranty — express or implied — including, but not limited to, warranties of merchantability or fitness for a particular purpose. | |
| - This notice does not apply to any third-party libraries or dependencies; those are subject to their respective licenses. | |
| """ | |
| import fx |
promto-c
/ silhouettefx_scripts_toggle_stabilize.py
Created
March 13, 2025 20:16
SilhouetteFX's Script - Sets the selected layer (or its parent if it's a shape) as the stabilize layer, clears it if it's the active layer, and centers the selection in the viewer.
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| """Copyright (C) 2020 promto-c | |
| Permission Notice: | |
| - You are free to use, copy, modify, and distribute this software for any purpose. | |
| - No restrictions are imposed on the use of this software. | |
| - You do not need to give credit or include this notice in your work. | |
| - Use at your own risk. | |
| - This software is provided "AS IS" without any warranty, either expressed or implied. | |
| - This license does not cover any third-party libraries or dependencies used in this software. Those libraries are subject to their respective licenses. | |
| """ |
promto-c
/ text_similarity_mapper.py
Last active
November 12, 2024 09:49
Python function to map strings in one list to the closest matches in another based on similarity scores. Useful for cases requiring best-effort text alignment, such as matching filenames or finding similar text patterns.
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| """Copyright (C) 2024 promto-c | |
| Permission Notice: | |
| - You are free to use, copy, modify, and distribute this software for any purpose. | |
| - No restrictions are imposed on the use of this software. | |
| - You do not need to give credit or include this notice in your work. | |
| - Use at your own risk. | |
| - This software is provided "AS IS" without any warranty, either expressed or implied. | |
| """ | |
| from difflib import SequenceMatcher |
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