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ParFlow Sandtank

DockerDocsDOI

This application aims to provide a standalone solution for simulating a specific Sand tank setup using ParFlow and an interactive Web UI for adjusting the various parameters that can be adjusted by the user.

See the full documentation here.

Build the web client

Note: Node.js version 17 or lower is required

cd ./client
npm install
npm run build

Bundle the application

Once the client as been built, the only required part for running the service is the content of the deploy directory which can be archived and shared for deploying such service in another location.

The following set of commands can be used to capture the application.

cd ./deploy
tar cvfz sandtank-app.tgz ./pvw

Run Web application with docker inside repository

cd ./
export APP=$PWD/deploy/pvw
export HOST=localhost:9000
docker run --rm \
-e PROTOCOL="ws" \
-p 9000:80 \
-e SERVER_NAME="${HOST}" \
-v "${APP}:/pvw" \
-it hydroframe/sandtank

Open your browser to http://localhost:9000/

Use Ctrl+C to stop the container.

Run Web service using the application bundle

mkdir -p /opt/sandtank
cd /opt/sandtank
tar xvfz /.../sandtank-app.tgz
export APP=/opt/sandtank/pvw
export HOST=localhost:9100
docker run --rm \
-e PROTOCOL="ws" \
-p 9100:80 \
-e SERVER_NAME="${HOST}" \
-v "${APP}:/pvw" \
-d hydroframe/sandtank

Open your browser to http://localhost:9100/

Templates

The base Sandtank model will open by default with the procedures outlined above. To use a different template, modify the URL to open your browser to http://localhost:9100/?name=“TemplateName”. The following templates are available:

  1. default : This is the default sandtank model based on a physical sandtank model. The template is a 2D model with a width of 100 cells and height of 50 cells . It contains 4 different subsurface materials, a river/lake, landfill, and 11 wells.
  2. hillslope: This template is a 2D model with the same dimensions as the default sand tank (100 cells by 50), but it incorporates topography to include two hillslopes with a river in the middle. It has 3 different subsurface materials and 8 wells in the domain.

About

Sand Tank Outreach Tool

hydroframe.github.io/SandTank/

Resources

Readme
License
Activity
Custom properties

Stars

4 stars

Watchers

6 watching

Forks

6 forks
Report repository

Releases

Packages

Used by

Contributors

Languages

, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

Skip to content
BranchesTags
Repository files navigation
ParFlow Sandtank
DockerDocsDOI
This application aims to provide a standalone solution for simulating a specific Sand tank setup using ParFlow and an interactive Web UI for adjusting the various parameters that can be adjusted by the user.
See the full documentation here.
Build the web client
Note: Node.js version 17 or lower is required
cd ./client
npm install
npm run build
Bundle the application
Once the client as been built, the only required part for running the service is the content of the deploy directory which can be archived and shared for deploying such service in another location.
The following set of commands can be used to capture the application.
cd ./deploy
tar cvfz sandtank-app.tgz ./pvw
Run Web application with docker inside repository
cd ./
export APP=$PWD/deploy/pvw
export HOST=localhost:9000
docker run --rm \
-e PROTOCOL="ws" \
-p 9000:80 \
-e SERVER_NAME="${HOST}" \
-v "${APP}:/pvw" \
-it hydroframe/sandtank
Open your browser to http://localhost:9000/
Use Ctrl+C to stop the container.
Run Web service using the application bundle
mkdir -p /opt/sandtank
cd /opt/sandtank
tar xvfz /.../sandtank-app.tgz
export APP=/opt/sandtank/pvw
export HOST=localhost:9100
docker run --rm \
-e PROTOCOL="ws" \
-p 9100:80 \
-e SERVER_NAME="${HOST}" \
-v "${APP}:/pvw" \
-d hydroframe/sandtank
Open your browser to http://localhost:9100/
Templates
The base Sandtank model will open by default with the procedures outlined above. To use a different template, modify the URL to open your browser to http://localhost:9100/?name=“TemplateName”. The following templates are available:
  1. default : This is the default sandtank model based on a physical sandtank model. The template is a 2D model with a width of 100 cells and height of 50 cells . It contains 4 different subsurface materials, a river/lake, landfill, and 11 wells.
  2. hillslope: This template is a 2D model with the same dimensions as the default sand tank (100 cells by 50), but it incorporates topography to include two hillslopes with a river in the middle. It has 3 different subsurface materials and 8 wells in the domain.
About
Sand Tank Outreach Tool 
hydroframe.github.io/SandTank/
Resources
Readme
License
Activity
Custom properties
Stars
4 stars
Watchers
6 watching
Forks
6 forks
Report repository
Releases
Packages
Used by
Contributors
Languages

, '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('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
ParFlow Sandtank
DockerDocsDOI
This application aims to provide a standalone solution for simulating a specific Sand tank setup using ParFlow and an interactive Web UI for adjusting the various parameters that can be adjusted by the user.
See the full documentation here.
Build the web client
Note: Node.js version 17 or lower is required
cd ./client
npm install
npm run build
Bundle the application
Once the client as been built, the only required part for running the service is the content of the deploy directory which can be archived and shared for deploying such service in another location.
The following set of commands can be used to capture the application.
cd ./deploy
tar cvfz sandtank-app.tgz ./pvw
Run Web application with docker inside repository
cd ./
export APP=$PWD/deploy/pvw
export HOST=localhost:9000
docker run --rm \
-e PROTOCOL="ws" \
-p 9000:80 \
-e SERVER_NAME="${HOST}" \
-v "${APP}:/pvw" \
-it hydroframe/sandtank
Open your browser to http://localhost:9000/
Use Ctrl+C to stop the container.
Run Web service using the application bundle
mkdir -p /opt/sandtank
cd /opt/sandtank
tar xvfz /.../sandtank-app.tgz
export APP=/opt/sandtank/pvw
export HOST=localhost:9100
docker run --rm \
-e PROTOCOL="ws" \
-p 9100:80 \
-e SERVER_NAME="${HOST}" \
-v "${APP}:/pvw" \
-d hydroframe/sandtank
Open your browser to http://localhost:9100/
Templates
The base Sandtank model will open by default with the procedures outlined above. To use a different template, modify the URL to open your browser to http://localhost:9100/?name=“TemplateName”. The following templates are available:
  1. default : This is the default sandtank model based on a physical sandtank model. The template is a 2D model with a width of 100 cells and height of 50 cells . It contains 4 different subsurface materials, a river/lake, landfill, and 11 wells.
  2. hillslope: This template is a 2D model with the same dimensions as the default sand tank (100 cells by 50), but it incorporates topography to include two hillslopes with a river in the middle. It has 3 different subsurface materials and 8 wells in the domain.
About
Sand Tank Outreach Tool 
hydroframe.github.io/SandTank/
Resources
Readme
License
Activity
Custom properties
Stars
4 stars
Watchers
6 watching
Forks
6 forks
Report repository
Releases
Packages
Used by
Contributors
Languages

, '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('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
ParFlow Sandtank
DockerDocsDOI
This application aims to provide a standalone solution for simulating a specific Sand tank setup using ParFlow and an interactive Web UI for adjusting the various parameters that can be adjusted by the user.
See the full documentation here.
Build the web client
Note: Node.js version 17 or lower is required
cd ./client
npm install
npm run build
Bundle the application
Once the client as been built, the only required part for running the service is the content of the deploy directory which can be archived and shared for deploying such service in another location.
The following set of commands can be used to capture the application.
cd ./deploy
tar cvfz sandtank-app.tgz ./pvw
Run Web application with docker inside repository
cd ./
export APP=$PWD/deploy/pvw
export HOST=localhost:9000
docker run --rm \
-e PROTOCOL="ws" \
-p 9000:80 \
-e SERVER_NAME="${HOST}" \
-v "${APP}:/pvw" \
-it hydroframe/sandtank
Open your browser to http://localhost:9000/
Use Ctrl+C to stop the container.
Run Web service using the application bundle
mkdir -p /opt/sandtank
cd /opt/sandtank
tar xvfz /.../sandtank-app.tgz
export APP=/opt/sandtank/pvw
export HOST=localhost:9100
docker run --rm \
-e PROTOCOL="ws" \
-p 9100:80 \
-e SERVER_NAME="${HOST}" \
-v "${APP}:/pvw" \
-d hydroframe/sandtank
Open your browser to http://localhost:9100/
Templates
The base Sandtank model will open by default with the procedures outlined above. To use a different template, modify the URL to open your browser to http://localhost:9100/?name=“TemplateName”. The following templates are available:
  1. default : This is the default sandtank model based on a physical sandtank model. The template is a 2D model with a width of 100 cells and height of 50 cells . It contains 4 different subsurface materials, a river/lake, landfill, and 11 wells.
  2. hillslope: This template is a 2D model with the same dimensions as the default sand tank (100 cells by 50), but it incorporates topography to include two hillslopes with a river in the middle. It has 3 different subsurface materials and 8 wells in the domain.
About
Sand Tank Outreach Tool 
hydroframe.github.io/SandTank/
Resources
Readme
License
Activity
Custom properties
Stars
4 stars
Watchers
6 watching
Forks
6 forks
Report repository
Releases
Packages
Used by
Contributors
Languages

, '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" + '

Skip to content
BranchesTags
Repository files navigation
ParFlow Sandtank
DockerDocsDOI
This application aims to provide a standalone solution for simulating a specific Sand tank setup using ParFlow and an interactive Web UI for adjusting the various parameters that can be adjusted by the user.
See the full documentation here.
Build the web client
Note: Node.js version 17 or lower is required
cd ./client
npm install
npm run build
Bundle the application
Once the client as been built, the only required part for running the service is the content of the deploy directory which can be archived and shared for deploying such service in another location.
The following set of commands can be used to capture the application.
cd ./deploy
tar cvfz sandtank-app.tgz ./pvw
Run Web application with docker inside repository
cd ./
export APP=$PWD/deploy/pvw
export HOST=localhost:9000
docker run --rm \
-e PROTOCOL="ws" \
-p 9000:80 \
-e SERVER_NAME="${HOST}" \
-v "${APP}:/pvw" \
-it hydroframe/sandtank
Open your browser to http://localhost:9000/
Use Ctrl+C to stop the container.
Run Web service using the application bundle
mkdir -p /opt/sandtank
cd /opt/sandtank
tar xvfz /.../sandtank-app.tgz
export APP=/opt/sandtank/pvw
export HOST=localhost:9100
docker run --rm \
-e PROTOCOL="ws" \
-p 9100:80 \
-e SERVER_NAME="${HOST}" \
-v "${APP}:/pvw" \
-d hydroframe/sandtank
Open your browser to http://localhost:9100/
Templates
The base Sandtank model will open by default with the procedures outlined above. To use a different template, modify the URL to open your browser to http://localhost:9100/?name=“TemplateName”. The following templates are available:
  1. default : This is the default sandtank model based on a physical sandtank model. The template is a 2D model with a width of 100 cells and height of 50 cells . It contains 4 different subsurface materials, a river/lake, landfill, and 11 wells.
  2. hillslope: This template is a 2D model with the same dimensions as the default sand tank (100 cells by 50), but it incorporates topography to include two hillslopes with a river in the middle. It has 3 different subsurface materials and 8 wells in the domain.
About
Sand Tank Outreach Tool 
hydroframe.github.io/SandTank/
Resources
Readme
License
Activity
Custom properties
Stars
4 stars
Watchers
6 watching
Forks
6 forks
Report repository
Releases
Packages
Used by
Contributors
Languages

, '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('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
ParFlow Sandtank
DockerDocsDOI
This application aims to provide a standalone solution for simulating a specific Sand tank setup using ParFlow and an interactive Web UI for adjusting the various parameters that can be adjusted by the user.
See the full documentation here.
Build the web client
Note: Node.js version 17 or lower is required
cd ./client
npm install
npm run build
Bundle the application
Once the client as been built, the only required part for running the service is the content of the deploy directory which can be archived and shared for deploying such service in another location.
The following set of commands can be used to capture the application.
cd ./deploy
tar cvfz sandtank-app.tgz ./pvw
Run Web application with docker inside repository
cd ./
export APP=$PWD/deploy/pvw
export HOST=localhost:9000
docker run --rm \
-e PROTOCOL="ws" \
-p 9000:80 \
-e SERVER_NAME="${HOST}" \
-v "${APP}:/pvw" \
-it hydroframe/sandtank
Open your browser to http://localhost:9000/
Use Ctrl+C to stop the container.
Run Web service using the application bundle
mkdir -p /opt/sandtank
cd /opt/sandtank
tar xvfz /.../sandtank-app.tgz
export APP=/opt/sandtank/pvw
export HOST=localhost:9100
docker run --rm \
-e PROTOCOL="ws" \
-p 9100:80 \
-e SERVER_NAME="${HOST}" \
-v "${APP}:/pvw" \
-d hydroframe/sandtank
Open your browser to http://localhost:9100/
Templates
The base Sandtank model will open by default with the procedures outlined above. To use a different template, modify the URL to open your browser to http://localhost:9100/?name=“TemplateName”. The following templates are available:
  1. default : This is the default sandtank model based on a physical sandtank model. The template is a 2D model with a width of 100 cells and height of 50 cells . It contains 4 different subsurface materials, a river/lake, landfill, and 11 wells.
  2. hillslope: This template is a 2D model with the same dimensions as the default sand tank (100 cells by 50), but it incorporates topography to include two hillslopes with a river in the middle. It has 3 different subsurface materials and 8 wells in the domain.
About
Sand Tank Outreach Tool 
hydroframe.github.io/SandTank/
Resources
Readme
License
Activity
Custom properties
Stars
4 stars
Watchers
6 watching
Forks
6 forks
Report repository
Releases
Packages
Used by
Contributors
Languages

, '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('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
ParFlow Sandtank
DockerDocsDOI
This application aims to provide a standalone solution for simulating a specific Sand tank setup using ParFlow and an interactive Web UI for adjusting the various parameters that can be adjusted by the user.
See the full documentation here.
Build the web client
Note: Node.js version 17 or lower is required
cd ./client
npm install
npm run build
Bundle the application
Once the client as been built, the only required part for running the service is the content of the deploy directory which can be archived and shared for deploying such service in another location.
The following set of commands can be used to capture the application.
cd ./deploy
tar cvfz sandtank-app.tgz ./pvw
Run Web application with docker inside repository
cd ./
export APP=$PWD/deploy/pvw
export HOST=localhost:9000
docker run --rm \
-e PROTOCOL="ws" \
-p 9000:80 \
-e SERVER_NAME="${HOST}" \
-v "${APP}:/pvw" \
-it hydroframe/sandtank
Open your browser to http://localhost:9000/
Use Ctrl+C to stop the container.
Run Web service using the application bundle
mkdir -p /opt/sandtank
cd /opt/sandtank
tar xvfz /.../sandtank-app.tgz
export APP=/opt/sandtank/pvw
export HOST=localhost:9100
docker run --rm \
-e PROTOCOL="ws" \
-p 9100:80 \
-e SERVER_NAME="${HOST}" \
-v "${APP}:/pvw" \
-d hydroframe/sandtank
Open your browser to http://localhost:9100/
Templates
The base Sandtank model will open by default with the procedures outlined above. To use a different template, modify the URL to open your browser to http://localhost:9100/?name=“TemplateName”. The following templates are available:
  1. default : This is the default sandtank model based on a physical sandtank model. The template is a 2D model with a width of 100 cells and height of 50 cells . It contains 4 different subsurface materials, a river/lake, landfill, and 11 wells.
  2. hillslope: This template is a 2D model with the same dimensions as the default sand tank (100 cells by 50), but it incorporates topography to include two hillslopes with a river in the middle. It has 3 different subsurface materials and 8 wells in the domain.
About
Sand Tank Outreach Tool 
hydroframe.github.io/SandTank/
Resources
Readme
License
Activity
Custom properties
Stars
4 stars
Watchers
6 watching
Forks
6 forks
Report repository
Releases
Packages
Used by
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

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ParFlow Sandtank
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This application aims to provide a standalone solution for simulating a specific Sand tank setup using ParFlow and an interactive Web UI for adjusting the various parameters that can be adjusted by the user.
See the full documentation here.
Build the web client
Note: Node.js version 17 or lower is required
cd ./client
npm install
npm run build
Bundle the application
Once the client as been built, the only required part for running the service is the content of the deploy directory which can be archived and shared for deploying such service in another location.
The following set of commands can be used to capture the application.
cd ./deploy
tar cvfz sandtank-app.tgz ./pvw
Run Web application with docker inside repository
cd ./
export APP=$PWD/deploy/pvw
export HOST=localhost:9000
docker run --rm \
-e PROTOCOL="ws" \
-p 9000:80 \
-e SERVER_NAME="${HOST}" \
-v "${APP}:/pvw" \
-it hydroframe/sandtank
Open your browser to http://localhost:9000/
Use Ctrl+C to stop the container.
Run Web service using the application bundle
mkdir -p /opt/sandtank
cd /opt/sandtank
tar xvfz /.../sandtank-app.tgz
export APP=/opt/sandtank/pvw
export HOST=localhost:9100
docker run --rm \
-e PROTOCOL="ws" \
-p 9100:80 \
-e SERVER_NAME="${HOST}" \
-v "${APP}:/pvw" \
-d hydroframe/sandtank
Open your browser to http://localhost:9100/
Templates
The base Sandtank model will open by default with the procedures outlined above. To use a different template, modify the URL to open your browser to http://localhost:9100/?name=“TemplateName”. The following templates are available:
  1. default : This is the default sandtank model based on a physical sandtank model. The template is a 2D model with a width of 100 cells and height of 50 cells . It contains 4 different subsurface materials, a river/lake, landfill, and 11 wells.
  2. hillslope: This template is a 2D model with the same dimensions as the default sand tank (100 cells by 50), but it incorporates topography to include two hillslopes with a river in the middle. It has 3 different subsurface materials and 8 wells in the domain.
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Sand Tank Outreach Tool 
hydroframe.github.io/SandTank/
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