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πŸ’¦ OpenSplat

A free and open source implementation of 3D gaussian splatting written in C++, focused on being portable, lean and fast.

OpenSplat

OpenSplat takes camera poses + sparse points and computes a scene file (.ply) that can be later imported for viewing, editing and rendering in other software.

Commercial use allowed and encouraged under the terms of the AGPLv3. βœ…

Build

Requirements:

Then:

git clone https://github.com/pierotofy/OpenSplat OpenSplat
cd OpenSplat
mkdir build &&cd build
cmake -DCMAKE_PREFIX_PATH=/path/to/libtorch/ .. && make -j$(nproc)

The software has been tested on Ubuntu 20.04 and Windows. With some changes it could run on macOS (help us by opening a PR?).

Run

To get started, download a dataset and extract it to a folder: [ banana ] [ train ] [ truck ]

Then run:

./opensplat /path/to/banana -n 2000
[...]
Wrote splat.ply

The output splat.ply can then be dragged and dropped in one of the many viewers such as https://playcanvas.com/viewer. You can also edit/cleanup the scene using https://playcanvas.com/supersplat/editor

To run on your own data, choose the path to an existing nerfstudio project. The project must have sparse points included (random initialization is not supported, see WebODM#7). You can generate nerfstudio projects from COLMAP by using nerfstudio's ns-process-data command: https://docs.nerf.studio/quickstart/custom_dataset.html

We have plans to add support for reading COLMAP projects directly in the near future. See WebODM#1

There's several parameters you can tune. To view the full list:

./opensplat --help

Project Goals

We recently released OpenSplat, so there's lots of work to do.

  • Support for running on AMD cards
  • Support for running on CPU-only
  • Improve speed / reduce memory usage
  • Distributed computation using multiple machines
  • Real-time training viewer output
  • Compressed scene outputs
  • Your ideas?

https://github.com/pierotofy/OpenSplat/issues?q=is%3Aopen+is%3Aissue+label%3Aenhancement

Contributing

We welcome contributions! Pull requests are welcome.

GPU Memory Notes

A single gaussian takes ~2000 bytes of memory, so currenly you need ~2GB of GPU memory for each million gaussians.

Credits

The methods used in OpenSplat are originally based on splatfacto.

License

The code in this repository, unless otherwise noted, is licensed under the AGPLv3.

The code from splatfacto is originally licensed under the Apache 2.0 license and is Β© 2023 The Nerfstudio Team.

About

Free and open source 3D gaussian splatting in C++ πŸ’¦

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, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all
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}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '
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πŸ’¦ OpenSplat

A free and open source implementation of 3D gaussian splatting written in C++, focused on being portable, lean and fast.

OpenSplat

OpenSplat takes camera poses + sparse points and computes a scene file (.ply) that can be later imported for viewing, editing and rendering in other software.

Commercial use allowed and encouraged under the terms of the AGPLv3. βœ…

Build

Requirements:

Then:

git clone https://github.com/pierotofy/OpenSplat OpenSplat
cd OpenSplat
mkdir build &&cd build
cmake -DCMAKE_PREFIX_PATH=/path/to/libtorch/ .. && make -j$(nproc)

The software has been tested on Ubuntu 20.04 and Windows. With some changes it could run on macOS (help us by opening a PR?).

Run

To get started, download a dataset and extract it to a folder: [ banana ] [ train ] [ truck ]

Then run:

./opensplat /path/to/banana -n 2000
[...]
Wrote splat.ply

The output splat.ply can then be dragged and dropped in one of the many viewers such as https://playcanvas.com/viewer. You can also edit/cleanup the scene using https://playcanvas.com/supersplat/editor

To run on your own data, choose the path to an existing nerfstudio project. The project must have sparse points included (random initialization is not supported, see WebODM#7). You can generate nerfstudio projects from COLMAP by using nerfstudio's ns-process-data command: https://docs.nerf.studio/quickstart/custom_dataset.html

We have plans to add support for reading COLMAP projects directly in the near future. See WebODM#1

There's several parameters you can tune. To view the full list:

./opensplat --help

Project Goals

We recently released OpenSplat, so there's lots of work to do.

  • Support for running on AMD cards
  • Support for running on CPU-only
  • Improve speed / reduce memory usage
  • Distributed computation using multiple machines
  • Real-time training viewer output
  • Compressed scene outputs
  • Your ideas?

https://github.com/pierotofy/OpenSplat/issues?q=is%3Aopen+is%3Aissue+label%3Aenhancement

Contributing

We welcome contributions! Pull requests are welcome.

GPU Memory Notes

A single gaussian takes ~2000 bytes of memory, so currenly you need ~2GB of GPU memory for each million gaussians.

Credits

The methods used in OpenSplat are originally based on splatfacto.

License

The code in this repository, unless otherwise noted, is licensed under the AGPLv3.

The code from splatfacto is originally licensed under the Apache 2.0 license and is Β© 2023 The Nerfstudio Team.

About

Free and open source 3D gaussian splatting in C++ πŸ’¦

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, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix"); } } catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
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πŸ’¦ OpenSplat

A free and open source implementation of 3D gaussian splatting written in C++, focused on being portable, lean and fast.

OpenSplat

OpenSplat takes camera poses + sparse points and computes a scene file (.ply) that can be later imported for viewing, editing and rendering in other software.

Commercial use allowed and encouraged under the terms of the AGPLv3. βœ…

Build

Requirements:

Then:

git clone https://github.com/pierotofy/OpenSplat OpenSplat
cd OpenSplat
mkdir build &&cd build
cmake -DCMAKE_PREFIX_PATH=/path/to/libtorch/ .. && make -j$(nproc)

The software has been tested on Ubuntu 20.04 and Windows. With some changes it could run on macOS (help us by opening a PR?).

Run

To get started, download a dataset and extract it to a folder: [ banana ] [ train ] [ truck ]

Then run:

./opensplat /path/to/banana -n 2000
[...]
Wrote splat.ply

The output splat.ply can then be dragged and dropped in one of the many viewers such as https://playcanvas.com/viewer. You can also edit/cleanup the scene using https://playcanvas.com/supersplat/editor

To run on your own data, choose the path to an existing nerfstudio project. The project must have sparse points included (random initialization is not supported, see WebODM#7). You can generate nerfstudio projects from COLMAP by using nerfstudio's ns-process-data command: https://docs.nerf.studio/quickstart/custom_dataset.html

We have plans to add support for reading COLMAP projects directly in the near future. See WebODM#1

There's several parameters you can tune. To view the full list:

./opensplat --help

Project Goals

We recently released OpenSplat, so there's lots of work to do.

  • Support for running on AMD cards
  • Support for running on CPU-only
  • Improve speed / reduce memory usage
  • Distributed computation using multiple machines
  • Real-time training viewer output
  • Compressed scene outputs
  • Your ideas?

https://github.com/pierotofy/OpenSplat/issues?q=is%3Aopen+is%3Aissue+label%3Aenhancement

Contributing

We welcome contributions! Pull requests are welcome.

GPU Memory Notes

A single gaussian takes ~2000 bytes of memory, so currenly you need ~2GB of GPU memory for each million gaussians.

Credits

The methods used in OpenSplat are originally based on splatfacto.

License

The code in this repository, unless otherwise noted, is licensed under the AGPLv3.

The code from splatfacto is originally licensed under the Apache 2.0 license and is Β© 2023 The Nerfstudio Team.

About

Free and open source 3D gaussian splatting in C++ πŸ’¦

Resources

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1 star

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0 watching

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, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms"); } } catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
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πŸ’¦ OpenSplat

A free and open source implementation of 3D gaussian splatting written in C++, focused on being portable, lean and fast.

OpenSplat

OpenSplat takes camera poses + sparse points and computes a scene file (.ply) that can be later imported for viewing, editing and rendering in other software.

Commercial use allowed and encouraged under the terms of the AGPLv3. βœ…

Build

Requirements:

Then:

git clone https://github.com/pierotofy/OpenSplat OpenSplat
cd OpenSplat
mkdir build &&cd build
cmake -DCMAKE_PREFIX_PATH=/path/to/libtorch/ .. && make -j$(nproc)

The software has been tested on Ubuntu 20.04 and Windows. With some changes it could run on macOS (help us by opening a PR?).

Run

To get started, download a dataset and extract it to a folder: [ banana ] [ train ] [ truck ]

Then run:

./opensplat /path/to/banana -n 2000
[...]
Wrote splat.ply

The output splat.ply can then be dragged and dropped in one of the many viewers such as https://playcanvas.com/viewer. You can also edit/cleanup the scene using https://playcanvas.com/supersplat/editor

To run on your own data, choose the path to an existing nerfstudio project. The project must have sparse points included (random initialization is not supported, see WebODM#7). You can generate nerfstudio projects from COLMAP by using nerfstudio's ns-process-data command: https://docs.nerf.studio/quickstart/custom_dataset.html

We have plans to add support for reading COLMAP projects directly in the near future. See WebODM#1

There's several parameters you can tune. To view the full list:

./opensplat --help

Project Goals

We recently released OpenSplat, so there's lots of work to do.

  • Support for running on AMD cards
  • Support for running on CPU-only
  • Improve speed / reduce memory usage
  • Distributed computation using multiple machines
  • Real-time training viewer output
  • Compressed scene outputs
  • Your ideas?

https://github.com/pierotofy/OpenSplat/issues?q=is%3Aopen+is%3Aissue+label%3Aenhancement

Contributing

We welcome contributions! Pull requests are welcome.

GPU Memory Notes

A single gaussian takes ~2000 bytes of memory, so currenly you need ~2GB of GPU memory for each million gaussians.

Credits

The methods used in OpenSplat are originally based on splatfacto.

License

The code in this repository, unless otherwise noted, is licensed under the AGPLv3.

The code from splatfacto is originally licensed under the Apache 2.0 license and is Β© 2023 The Nerfstudio Team.

About

Free and open source 3D gaussian splatting in C++ πŸ’¦

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, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links"); } } catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); } })(); (function(){ try { var __m = "youtube.com"; var __re = new RegExp('^' + "youtube\\.com" + '
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πŸ’¦ OpenSplat

A free and open source implementation of 3D gaussian splatting written in C++, focused on being portable, lean and fast.

OpenSplat

OpenSplat takes camera poses + sparse points and computes a scene file (.ply) that can be later imported for viewing, editing and rendering in other software.

Commercial use allowed and encouraged under the terms of the AGPLv3. βœ…

Build

Requirements:

Then:

git clone https://github.com/pierotofy/OpenSplat OpenSplat
cd OpenSplat
mkdir build &&cd build
cmake -DCMAKE_PREFIX_PATH=/path/to/libtorch/ .. && make -j$(nproc)

The software has been tested on Ubuntu 20.04 and Windows. With some changes it could run on macOS (help us by opening a PR?).

Run

To get started, download a dataset and extract it to a folder: [ banana ] [ train ] [ truck ]

Then run:

./opensplat /path/to/banana -n 2000
[...]
Wrote splat.ply

The output splat.ply can then be dragged and dropped in one of the many viewers such as https://playcanvas.com/viewer. You can also edit/cleanup the scene using https://playcanvas.com/supersplat/editor

To run on your own data, choose the path to an existing nerfstudio project. The project must have sparse points included (random initialization is not supported, see WebODM#7). You can generate nerfstudio projects from COLMAP by using nerfstudio's ns-process-data command: https://docs.nerf.studio/quickstart/custom_dataset.html

We have plans to add support for reading COLMAP projects directly in the near future. See WebODM#1

There's several parameters you can tune. To view the full list:

./opensplat --help

Project Goals

We recently released OpenSplat, so there's lots of work to do.

  • Support for running on AMD cards
  • Support for running on CPU-only
  • Improve speed / reduce memory usage
  • Distributed computation using multiple machines
  • Real-time training viewer output
  • Compressed scene outputs
  • Your ideas?

https://github.com/pierotofy/OpenSplat/issues?q=is%3Aopen+is%3Aissue+label%3Aenhancement

Contributing

We welcome contributions! Pull requests are welcome.

GPU Memory Notes

A single gaussian takes ~2000 bytes of memory, so currenly you need ~2GB of GPU memory for each million gaussians.

Credits

The methods used in OpenSplat are originally based on splatfacto.

License

The code in this repository, unless otherwise noted, is licensed under the AGPLv3.

The code from splatfacto is originally licensed under the Apache 2.0 license and is Β© 2023 The Nerfstudio Team.

About

Free and open source 3D gaussian splatting in C++ πŸ’¦

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, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default"); } } catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
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πŸ’¦ OpenSplat

A free and open source implementation of 3D gaussian splatting written in C++, focused on being portable, lean and fast.

OpenSplat

OpenSplat takes camera poses + sparse points and computes a scene file (.ply) that can be later imported for viewing, editing and rendering in other software.

Commercial use allowed and encouraged under the terms of the AGPLv3. βœ…

Build

Requirements:

Then:

git clone https://github.com/pierotofy/OpenSplat OpenSplat
cd OpenSplat
mkdir build &&cd build
cmake -DCMAKE_PREFIX_PATH=/path/to/libtorch/ .. && make -j$(nproc)

The software has been tested on Ubuntu 20.04 and Windows. With some changes it could run on macOS (help us by opening a PR?).

Run

To get started, download a dataset and extract it to a folder: [ banana ] [ train ] [ truck ]

Then run:

./opensplat /path/to/banana -n 2000
[...]
Wrote splat.ply

The output splat.ply can then be dragged and dropped in one of the many viewers such as https://playcanvas.com/viewer. You can also edit/cleanup the scene using https://playcanvas.com/supersplat/editor

To run on your own data, choose the path to an existing nerfstudio project. The project must have sparse points included (random initialization is not supported, see WebODM#7). You can generate nerfstudio projects from COLMAP by using nerfstudio's ns-process-data command: https://docs.nerf.studio/quickstart/custom_dataset.html

We have plans to add support for reading COLMAP projects directly in the near future. See WebODM#1

There's several parameters you can tune. To view the full list:

./opensplat --help

Project Goals

We recently released OpenSplat, so there's lots of work to do.

  • Support for running on AMD cards
  • Support for running on CPU-only
  • Improve speed / reduce memory usage
  • Distributed computation using multiple machines
  • Real-time training viewer output
  • Compressed scene outputs
  • Your ideas?

https://github.com/pierotofy/OpenSplat/issues?q=is%3Aopen+is%3Aissue+label%3Aenhancement

Contributing

We welcome contributions! Pull requests are welcome.

GPU Memory Notes

A single gaussian takes ~2000 bytes of memory, so currenly you need ~2GB of GPU memory for each million gaussians.

Credits

The methods used in OpenSplat are originally based on splatfacto.

License

The code in this repository, unless otherwise noted, is licensed under the AGPLv3.

The code from splatfacto is originally licensed under the Apache 2.0 license and is Β© 2023 The Nerfstudio Team.

About

Free and open source 3D gaussian splatting in C++ πŸ’¦

Resources

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, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers"); } } catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
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πŸ’¦ OpenSplat

A free and open source implementation of 3D gaussian splatting written in C++, focused on being portable, lean and fast.

OpenSplat

OpenSplat takes camera poses + sparse points and computes a scene file (.ply) that can be later imported for viewing, editing and rendering in other software.

Commercial use allowed and encouraged under the terms of the AGPLv3. βœ…

Build

Requirements:

Then:

git clone https://github.com/pierotofy/OpenSplat OpenSplat
cd OpenSplat
mkdir build &&cd build
cmake -DCMAKE_PREFIX_PATH=/path/to/libtorch/ .. && make -j$(nproc)

The software has been tested on Ubuntu 20.04 and Windows. With some changes it could run on macOS (help us by opening a PR?).

Run

To get started, download a dataset and extract it to a folder: [ banana ] [ train ] [ truck ]

Then run:

./opensplat /path/to/banana -n 2000
[...]
Wrote splat.ply

The output splat.ply can then be dragged and dropped in one of the many viewers such as https://playcanvas.com/viewer. You can also edit/cleanup the scene using https://playcanvas.com/supersplat/editor

To run on your own data, choose the path to an existing nerfstudio project. The project must have sparse points included (random initialization is not supported, see WebODM#7). You can generate nerfstudio projects from COLMAP by using nerfstudio's ns-process-data command: https://docs.nerf.studio/quickstart/custom_dataset.html

We have plans to add support for reading COLMAP projects directly in the near future. See WebODM#1

There's several parameters you can tune. To view the full list:

./opensplat --help

Project Goals

We recently released OpenSplat, so there's lots of work to do.

  • Support for running on AMD cards
  • Support for running on CPU-only
  • Improve speed / reduce memory usage
  • Distributed computation using multiple machines
  • Real-time training viewer output
  • Compressed scene outputs
  • Your ideas?

https://github.com/pierotofy/OpenSplat/issues?q=is%3Aopen+is%3Aissue+label%3Aenhancement

Contributing

We welcome contributions! Pull requests are welcome.

GPU Memory Notes

A single gaussian takes ~2000 bytes of memory, so currenly you need ~2GB of GPU memory for each million gaussians.

Credits

The methods used in OpenSplat are originally based on splatfacto.

License

The code in this repository, unless otherwise noted, is licensed under the AGPLv3.

The code from splatfacto is originally licensed under the Apache 2.0 license and is Β© 2023 The Nerfstudio Team.

About

Free and open source 3D gaussian splatting in C++ πŸ’¦

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πŸ’¦ OpenSplat

A free and open source implementation of 3D gaussian splatting written in C++, focused on being portable, lean and fast.

OpenSplat

OpenSplat takes camera poses + sparse points and computes a scene file (.ply) that can be later imported for viewing, editing and rendering in other software.

Commercial use allowed and encouraged under the terms of the AGPLv3. βœ…

Build

Requirements:

Then:

git clone https://github.com/pierotofy/OpenSplat OpenSplat
cd OpenSplat
mkdir build &&cd build
cmake -DCMAKE_PREFIX_PATH=/path/to/libtorch/ .. && make -j$(nproc)

The software has been tested on Ubuntu 20.04 and Windows. With some changes it could run on macOS (help us by opening a PR?).

Run

To get started, download a dataset and extract it to a folder: [ banana ] [ train ] [ truck ]

Then run:

./opensplat /path/to/banana -n 2000
[...]
Wrote splat.ply

The output splat.ply can then be dragged and dropped in one of the many viewers such as https://playcanvas.com/viewer. You can also edit/cleanup the scene using https://playcanvas.com/supersplat/editor

To run on your own data, choose the path to an existing nerfstudio project. The project must have sparse points included (random initialization is not supported, see WebODM#7). You can generate nerfstudio projects from COLMAP by using nerfstudio's ns-process-data command: https://docs.nerf.studio/quickstart/custom_dataset.html

We have plans to add support for reading COLMAP projects directly in the near future. See WebODM#1

There's several parameters you can tune. To view the full list:

./opensplat --help

Project Goals

We recently released OpenSplat, so there's lots of work to do.

  • Support for running on AMD cards
  • Support for running on CPU-only
  • Improve speed / reduce memory usage
  • Distributed computation using multiple machines
  • Real-time training viewer output
  • Compressed scene outputs
  • Your ideas?

https://github.com/pierotofy/OpenSplat/issues?q=is%3Aopen+is%3Aissue+label%3Aenhancement

Contributing

We welcome contributions! Pull requests are welcome.

GPU Memory Notes

A single gaussian takes ~2000 bytes of memory, so currenly you need ~2GB of GPU memory for each million gaussians.

Credits

The methods used in OpenSplat are originally based on splatfacto.

License

The code in this repository, unless otherwise noted, is licensed under the AGPLv3.

The code from splatfacto is originally licensed under the Apache 2.0 license and is Β© 2023 The Nerfstudio Team.

About

Free and open source 3D gaussian splatting in C++ πŸ’¦

Resources

Stars

1 star

Watchers

0 watching

Forks

Releases

Packages

Contributors

Languages