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Template Extension Specification

This document explains the Template Extension to the SpatioTemporal Asset Catalog (STAC) specification.

This is the place to add a short introduction.

Fields

The fields in the table below can be used in these parts of STAC documents:

  • Catalogs
  • Collections
  • Item Properties (incl. Summaries in Collections)
  • Assets (for both Collections and Items, incl. Item Asset Definitions in Collections and Asset Templates)
  • Links (incl. Link Templates)
  • Bands
Field NameTypeDescription
template:new_fieldstringREQUIRED. Describe the required field...
template:xyzXYZ ObjectDescribe the field...
template:another_one[number]Describe the field...

Additional Field Information

template:new_field

This is a much more detailed description of the field template:new_field...

XYZ Object

This is the introduction for the purpose and the content of the XYZ Object...

Field NameTypeDescription
xnumberREQUIRED. Describe the required field...
ynumberREQUIRED. Describe the required field...
znumberREQUIRED. Describe the required field...

Relation types

The following types should be used as applicable rel types in the Link Object.

TypeDescription
fancy-rel-typeThis link points to a fancy resource.

Contributing

All contributions are subject to the STAC Specification Code of Conduct. For contributions, please follow the STAC specification contributing guide Instructions for running tests are copied here for convenience.

Running tests

The same checks that run as checks on PRs are part of the repository and can be run locally to verify that changes are valid. To run tests locally, you'll need npm, which is a standard part of any node.js installation.

First you'll need to install everything with npm once. Just navigate to the root of this repository and on your command line run:

npm install

Then to check markdown formatting and test the examples against the JSON schema, you can run:

npm test

This will spit out the same texts that you see online, and you can then go and fix your markdown or examples.

If the tests reveal formatting problems with the examples, you can fix them with:

npm run format-examples

About

A template repository for new extensions. It enables CI for schema publishing and proposes some core structures.

Resources

Readme
Apache-2.0 license
Activity
Custom properties

Stars

8 stars

Watchers

0 watching

Forks

11 forks
Report repository

Releases

Packages

Used by

Contributors

, 'i'); if (__m === '*' || __re.test(location.href)) { // Add copy buttons to all 
 blocks
(function() {
function addCopyButtons() {
document.querySelectorAll('pre code').forEach(function(codeBlock) {
if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;
codeBlock.parentElement.setAttribute('data-copy-added', 'true');
var btn = document.createElement('button');
btn.textContent = 'Copy';
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;';
btn.onmouseover = function() { this.style.opacity = '1'; };
btn.onmouseout = function() { this.style.opacity = '0.7'; };
btn.onclick = function() {
navigator.clipboard.writeText(codeBlock.textContent).then(function() {
btn.textContent = 'Copied!';
setTimeout(function() { btn.textContent = 'Copy'; }, 1500);
});
};
codeBlock.parentElement.style.position = 'relative';
codeBlock.parentElement.appendChild(btn);
});
}
addCopyButtons();
// Re-run on dynamic content
var observer = new MutationObserver(addCopyButtons);
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '
GitHub - stac-extensions/template: A template repository for new extensions. It enables CI for schema publishing and proposes some core structures. · GitHub
Skip to content
BranchesTags
Repository files navigation
Template Extension Specification
This document explains the Template Extension to the SpatioTemporal Asset Catalog (STAC) specification.
This is the place to add a short introduction.
Fields
The fields in the table below can be used in these parts of STAC documents:
  •  Catalogs
  •  Collections
  •  Item Properties (incl. Summaries in Collections)
  •  Assets (for both Collections and Items, incl. Item Asset Definitions in Collections and Asset Templates)
  •  Links (incl. Link Templates)
  •  Bands
Field NameTypeDescription
template:new_fieldstringREQUIRED. Describe the required field...
template:xyzXYZ ObjectDescribe the field...
template:another_one[number]Describe the field...
Additional Field Information
template:new_field
This is a much more detailed description of the field template:new_field...
XYZ Object
This is the introduction for the purpose and the content of the XYZ Object...
Field NameTypeDescription
xnumberREQUIRED. Describe the required field...
ynumberREQUIRED. Describe the required field...
znumberREQUIRED. Describe the required field...
Relation types
The following types should be used as applicable rel types in the
Link Object.
TypeDescription
fancy-rel-typeThis link points to a fancy resource.
Contributing
All contributions are subject to the
STAC Specification Code of Conduct.
For contributions, please follow the
STAC specification contributing guide Instructions
for running tests are copied here for convenience.
Running tests
The same checks that run as checks on PRs are part of the repository and can be run locally to verify that changes are valid.
To run tests locally, you'll need npm, which is a standard part of any node.js installation.
First you'll need to install everything with npm once. Just navigate to the root of this repository and on
your command line run:
npm install
Then to check markdown formatting and test the examples against the JSON schema, you can run:
npm test
This will spit out the same texts that you see online, and you can then go and fix your markdown or examples.
If the tests reveal formatting problems with the examples, you can fix them with:
npm run format-examples
About
A template repository for new extensions. It enables CI for schema publishing and proposes some core structures.
Resources
Readme
Apache-2.0 license
Activity
Custom properties
Stars
8 stars
Watchers
0 watching
Forks
11 forks
Report repository
Releases
Packages
Used by
Contributors

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Force GitHub README to respect dark mode
(function() {
var style = document.createElement('style');
style.textContent = '
.markdown-body {
color-scheme: dark light;
}
.markdown-body pre { background: #161b22 !important; }
.markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }
.markdown-body table th, .markdown-body table td { border-color: #30363d !important; }
.markdown-body img { background: #0d1117; }
.markdown-body blockquote { border-left-color: #8b949e; }
.markdown-body hr { border-color: #30363d; }
';
document.head.appendChild(style);
})();
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
GitHub - stac-extensions/template: A template repository for new extensions. It enables CI for schema publishing and proposes some core structures. · GitHub
Skip to content
BranchesTags
Repository files navigation
Template Extension Specification
This document explains the Template Extension to the SpatioTemporal Asset Catalog (STAC) specification.
This is the place to add a short introduction.
Fields
The fields in the table below can be used in these parts of STAC documents:
  •  Catalogs
  •  Collections
  •  Item Properties (incl. Summaries in Collections)
  •  Assets (for both Collections and Items, incl. Item Asset Definitions in Collections and Asset Templates)
  •  Links (incl. Link Templates)
  •  Bands
Field NameTypeDescription
template:new_fieldstringREQUIRED. Describe the required field...
template:xyzXYZ ObjectDescribe the field...
template:another_one[number]Describe the field...
Additional Field Information
template:new_field
This is a much more detailed description of the field template:new_field...
XYZ Object
This is the introduction for the purpose and the content of the XYZ Object...
Field NameTypeDescription
xnumberREQUIRED. Describe the required field...
ynumberREQUIRED. Describe the required field...
znumberREQUIRED. Describe the required field...
Relation types
The following types should be used as applicable rel types in the
Link Object.
TypeDescription
fancy-rel-typeThis link points to a fancy resource.
Contributing
All contributions are subject to the
STAC Specification Code of Conduct.
For contributions, please follow the
STAC specification contributing guide Instructions
for running tests are copied here for convenience.
Running tests
The same checks that run as checks on PRs are part of the repository and can be run locally to verify that changes are valid.
To run tests locally, you'll need npm, which is a standard part of any node.js installation.
First you'll need to install everything with npm once. Just navigate to the root of this repository and on
your command line run:
npm install
Then to check markdown formatting and test the examples against the JSON schema, you can run:
npm test
This will spit out the same texts that you see online, and you can then go and fix your markdown or examples.
If the tests reveal formatting problems with the examples, you can fix them with:
npm run format-examples
About
A template repository for new extensions. It enables CI for schema publishing and proposes some core structures.
Resources
Readme
Apache-2.0 license
Activity
Custom properties
Stars
8 stars
Watchers
0 watching
Forks
11 forks
Report repository
Releases
Packages
Used by
Contributors

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Highlight search terms from Google/DuckDuckGo/Bing referrer
(function() {
var ref = document.referrer;
var terms = [];
if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {
var url = new URL(ref);
var q = url.searchParams.get('q') || url.searchParams.get('p');
if (q) {
terms = q.split(/\s+/).filter(function(t) { return t.length > 2; });
}
}
if (terms.length === 0) return;
var style = document.createElement('style');
style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';
document.head.appendChild(style);
function highlight(node) {
if (node.nodeType === 3) { // text node
var text = node.textContent;
var found = false;
terms.forEach(function(term) {
var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\]\\]/g, '\\') + ')', 'gi');
if (regex.test(text)) {
found = true;
var frag = document.createDocumentFragment();
var parts = text.split(regex);
parts.forEach(function(part, i) {
if (i % 2 === 0) {
frag.appendChild(document.createTextNode(part));
} else {
var span = document.createElement('span');
span.className = 'userscript-highlight';
span.textContent = part;
frag.appendChild(span);
}
});
node.parentNode.replaceChild(frag, node);
}
});
} else if (node.nodeType === 1 && node.childNodes) { // element
var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];
if (!skipTags.includes(node.tagName)) {
Array.from(node.childNodes).forEach(highlight);
}
}
}
highlight(document.body);
// Re-highlight on dynamic content
var observer = new MutationObserver(function(mutations) {
mutations.forEach(function(m) {
m.addedNodes.forEach(function(node) {
if (node.nodeType === 1 || node.nodeType === 3) highlight(node);
});
});
});
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
GitHub - stac-extensions/template: A template repository for new extensions. It enables CI for schema publishing and proposes some core structures. · GitHub
Skip to content
BranchesTags
Repository files navigation
Template Extension Specification
This document explains the Template Extension to the SpatioTemporal Asset Catalog (STAC) specification.
This is the place to add a short introduction.
Fields
The fields in the table below can be used in these parts of STAC documents:
  •  Catalogs
  •  Collections
  •  Item Properties (incl. Summaries in Collections)
  •  Assets (for both Collections and Items, incl. Item Asset Definitions in Collections and Asset Templates)
  •  Links (incl. Link Templates)
  •  Bands
Field NameTypeDescription
template:new_fieldstringREQUIRED. Describe the required field...
template:xyzXYZ ObjectDescribe the field...
template:another_one[number]Describe the field...
Additional Field Information
template:new_field
This is a much more detailed description of the field template:new_field...
XYZ Object
This is the introduction for the purpose and the content of the XYZ Object...
Field NameTypeDescription
xnumberREQUIRED. Describe the required field...
ynumberREQUIRED. Describe the required field...
znumberREQUIRED. Describe the required field...
Relation types
The following types should be used as applicable rel types in the
Link Object.
TypeDescription
fancy-rel-typeThis link points to a fancy resource.
Contributing
All contributions are subject to the
STAC Specification Code of Conduct.
For contributions, please follow the
STAC specification contributing guide Instructions
for running tests are copied here for convenience.
Running tests
The same checks that run as checks on PRs are part of the repository and can be run locally to verify that changes are valid.
To run tests locally, you'll need npm, which is a standard part of any node.js installation.
First you'll need to install everything with npm once. Just navigate to the root of this repository and on
your command line run:
npm install
Then to check markdown formatting and test the examples against the JSON schema, you can run:
npm test
This will spit out the same texts that you see online, and you can then go and fix your markdown or examples.
If the tests reveal formatting problems with the examples, you can fix them with:
npm run format-examples
About
A template repository for new extensions. It enables CI for schema publishing and proposes some core structures.
Resources
Readme
Apache-2.0 license
Activity
Custom properties
Stars
8 stars
Watchers
0 watching
Forks
11 forks
Report repository
Releases
Packages
Used by
Contributors

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Strip utm_, fbclid, gclid, etc. from all links on page
(function() {
var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',
'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',
'ref', 'ref_src', 'source', 'medium', 'campaign'];
function cleanUrl(url) {
try {
var u = new URL(url, window.location.origin);
var changed = false;
trackingParams.forEach(function(p) {
if (u.searchParams.has(p)) {
u.searchParams.delete(p);
changed = true;
}
});
return changed ? u.toString() : url;
} catch (e) {
return url;
}
}
function cleanLinks() {
document.querySelectorAll('a[href]').forEach(function(a) {
var clean = cleanUrl(a.href);
if (clean !== a.href) a.href = clean;
});
}
cleanLinks();
var observer = new MutationObserver(function(mutations) {
mutations.forEach(function(m) {
m.addedNodes.forEach(function(node) {
if (node.nodeType === 1) {
if (node.tagName === 'A') cleanLinks();
node.querySelectorAll('a[href]').forEach(function(a) {
var clean = cleanUrl(a.href);
if (clean !== a.href) a.href = clean;
});
}
});
});
});
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '
GitHub - stac-extensions/template: A template repository for new extensions. It enables CI for schema publishing and proposes some core structures. · GitHub
Skip to content
BranchesTags
Repository files navigation
Template Extension Specification
This document explains the Template Extension to the SpatioTemporal Asset Catalog (STAC) specification.
This is the place to add a short introduction.
Fields
The fields in the table below can be used in these parts of STAC documents:
  •  Catalogs
  •  Collections
  •  Item Properties (incl. Summaries in Collections)
  •  Assets (for both Collections and Items, incl. Item Asset Definitions in Collections and Asset Templates)
  •  Links (incl. Link Templates)
  •  Bands
Field NameTypeDescription
template:new_fieldstringREQUIRED. Describe the required field...
template:xyzXYZ ObjectDescribe the field...
template:another_one[number]Describe the field...
Additional Field Information
template:new_field
This is a much more detailed description of the field template:new_field...
XYZ Object
This is the introduction for the purpose and the content of the XYZ Object...
Field NameTypeDescription
xnumberREQUIRED. Describe the required field...
ynumberREQUIRED. Describe the required field...
znumberREQUIRED. Describe the required field...
Relation types
The following types should be used as applicable rel types in the
Link Object.
TypeDescription
fancy-rel-typeThis link points to a fancy resource.
Contributing
All contributions are subject to the
STAC Specification Code of Conduct.
For contributions, please follow the
STAC specification contributing guide Instructions
for running tests are copied here for convenience.
Running tests
The same checks that run as checks on PRs are part of the repository and can be run locally to verify that changes are valid.
To run tests locally, you'll need npm, which is a standard part of any node.js installation.
First you'll need to install everything with npm once. Just navigate to the root of this repository and on
your command line run:
npm install
Then to check markdown formatting and test the examples against the JSON schema, you can run:
npm test
This will spit out the same texts that you see online, and you can then go and fix your markdown or examples.
If the tests reveal formatting problems with the examples, you can fix them with:
npm run format-examples
About
A template repository for new extensions. It enables CI for schema publishing and proposes some core structures.
Resources
Readme
Apache-2.0 license
Activity
Custom properties
Stars
8 stars
Watchers
0 watching
Forks
11 forks
Report repository
Releases
Packages
Used by
Contributors

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Auto-enable theater mode on YouTube
(function() {
function tryTheater() {
var btn = document.querySelector('button[aria-label="Theater mode"], ytd-player #player button[title="Theater mode"]');
if (btn && !btn.classList.contains('activated')) {
btn.click();
}
}
// Try immediately
tryTheater();
// Try after navigation (SPA)
var lastUrl = location.href;
setInterval(function() {
if (location.href !== lastUrl) {
lastUrl = location.href;
setTimeout(tryTheater, 500);
}
}, 1000);
// Also try on player load
var observer = new MutationObserver(tryTheater);
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
GitHub - stac-extensions/template: A template repository for new extensions. It enables CI for schema publishing and proposes some core structures. · GitHub
Skip to content
BranchesTags
Repository files navigation
Template Extension Specification
This document explains the Template Extension to the SpatioTemporal Asset Catalog (STAC) specification.
This is the place to add a short introduction.
Fields
The fields in the table below can be used in these parts of STAC documents:
  •  Catalogs
  •  Collections
  •  Item Properties (incl. Summaries in Collections)
  •  Assets (for both Collections and Items, incl. Item Asset Definitions in Collections and Asset Templates)
  •  Links (incl. Link Templates)
  •  Bands
Field NameTypeDescription
template:new_fieldstringREQUIRED. Describe the required field...
template:xyzXYZ ObjectDescribe the field...
template:another_one[number]Describe the field...
Additional Field Information
template:new_field
This is a much more detailed description of the field template:new_field...
XYZ Object
This is the introduction for the purpose and the content of the XYZ Object...
Field NameTypeDescription
xnumberREQUIRED. Describe the required field...
ynumberREQUIRED. Describe the required field...
znumberREQUIRED. Describe the required field...
Relation types
The following types should be used as applicable rel types in the
Link Object.
TypeDescription
fancy-rel-typeThis link points to a fancy resource.
Contributing
All contributions are subject to the
STAC Specification Code of Conduct.
For contributions, please follow the
STAC specification contributing guide Instructions
for running tests are copied here for convenience.
Running tests
The same checks that run as checks on PRs are part of the repository and can be run locally to verify that changes are valid.
To run tests locally, you'll need npm, which is a standard part of any node.js installation.
First you'll need to install everything with npm once. Just navigate to the root of this repository and on
your command line run:
npm install
Then to check markdown formatting and test the examples against the JSON schema, you can run:
npm test
This will spit out the same texts that you see online, and you can then go and fix your markdown or examples.
If the tests reveal formatting problems with the examples, you can fix them with:
npm run format-examples
About
A template repository for new extensions. It enables CI for schema publishing and proposes some core structures.
Resources
Readme
Apache-2.0 license
Activity
Custom properties
Stars
8 stars
Watchers
0 watching
Forks
11 forks
Report repository
Releases
Packages
Used by
Contributors

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Remove or un-stick sticky/fixed headers that block content
(function() {
function unstick() {
document.querySelectorAll('header, nav, [role="banner"], .header, .navbar, .sticky, .fixed-top, [style*="position: fixed"], [style*="position:sticky"]').forEach(function(el) {
if (el.style.position === 'fixed' || el.style.position === 'sticky' || getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {
el.style.position = 'static';
el.style.top = 'auto';
el.style.zIndex = 'auto';
}
});
}
unstick();
var observer = new MutationObserver(unstick);
observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });
})();
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
GitHub - stac-extensions/template: A template repository for new extensions. It enables CI for schema publishing and proposes some core structures. · GitHub
Skip to content
BranchesTags
Repository files navigation
Template Extension Specification
This document explains the Template Extension to the SpatioTemporal Asset Catalog (STAC) specification.
This is the place to add a short introduction.
Fields
The fields in the table below can be used in these parts of STAC documents:
  •  Catalogs
  •  Collections
  •  Item Properties (incl. Summaries in Collections)
  •  Assets (for both Collections and Items, incl. Item Asset Definitions in Collections and Asset Templates)
  •  Links (incl. Link Templates)
  •  Bands
Field NameTypeDescription
template:new_fieldstringREQUIRED. Describe the required field...
template:xyzXYZ ObjectDescribe the field...
template:another_one[number]Describe the field...
Additional Field Information
template:new_field
This is a much more detailed description of the field template:new_field...
XYZ Object
This is the introduction for the purpose and the content of the XYZ Object...
Field NameTypeDescription
xnumberREQUIRED. Describe the required field...
ynumberREQUIRED. Describe the required field...
znumberREQUIRED. Describe the required field...
Relation types
The following types should be used as applicable rel types in the
Link Object.
TypeDescription
fancy-rel-typeThis link points to a fancy resource.
Contributing
All contributions are subject to the
STAC Specification Code of Conduct.
For contributions, please follow the
STAC specification contributing guide Instructions
for running tests are copied here for convenience.
Running tests
The same checks that run as checks on PRs are part of the repository and can be run locally to verify that changes are valid.
To run tests locally, you'll need npm, which is a standard part of any node.js installation.
First you'll need to install everything with npm once. Just navigate to the root of this repository and on
your command line run:
npm install
Then to check markdown formatting and test the examples against the JSON schema, you can run:
npm test
This will spit out the same texts that you see online, and you can then go and fix your markdown or examples.
If the tests reveal formatting problems with the examples, you can fix them with:
npm run format-examples
About
A template repository for new extensions. It enables CI for schema publishing and proposes some core structures.
Resources
Readme
Apache-2.0 license
Activity
Custom properties
Stars
8 stars
Watchers
0 watching
Forks
11 forks
Report repository
Releases
Packages
Used by
Contributors

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Universal Dark Mode - works on any site
(function() {
var enabled = true;
function applyDarkMode() {
if (!enabled) return;
// Create style element if it doesn't exist
var style = document.getElementById('universal-dark-mode-style');
if (!style) {
style = document.createElement('style');
style.id = 'universal-dark-mode-style';
document.head.appendChild(style);
}
// Dark mode CSS - inverts colors but preserves images/video
style.textContent = '
/* Invert everything except media */
html {
filter: invert(1) hue-rotate(180deg) !important;
background: #1a1a2e !important;
}
/* Restore images, videos, iframes, canvas */
img, video, iframe, canvas, svg, picture, [style*="background-image"] {
filter: invert(1) hue-rotate(180deg) !important;
}
/* Preserve specific elements that should not be inverted */
.no-dark-mode, .no-dark-mode *,
[data-theme="light"], [data-theme="light"],
.ace_editor, .ace_editor *,
.CodeMirror, .CodeMirror *,
.monaco-editor, .monaco-editor *,
.markdown-body pre, .markdown-body pre *,
.highlight, .highlight *,
pre code, pre code * {
filter: none !important;
}
/* Fix common UI elements */
.modal, .popup, .dropdown-menu, .tooltip, .popover {
filter: invert(1) hue-rotate(180deg) !important;
background: #2d2d44 !important;
border-color: #444 !important;
}
/* Scrollbars */
::-webkit-scrollbar { background: #1a1a2e !important; }
::-webkit-scrollbar-thumb { background: #444 !important; }
::-webkit-scrollbar-thumb:hover { background: #555 !important; }
/* Selection */
::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }
::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }
';
}
function removeDarkMode() {
var style = document.getElementById('universal-dark-mode-style');
if (style) style.remove();
}
// Toggle with Alt+Shift+D
document.addEventListener('keydown', function(e) {
if (e.altKey && e.shiftKey && e.key === 'D') {
e.preventDefault();
enabled = !enabled;
if (enabled) {
applyDarkMode();
console.log('[Universal Dark Mode] Enabled');
} else {
removeDarkMode();
console.log('[Universal Dark Mode] Disabled');
}
}
});
// Apply on load
applyDarkMode();
// Re-apply on dynamic content
var observer = new MutationObserver(function(mutations) {
if (enabled && !document.getElementById('universal-dark-mode-style')) {
applyDarkMode();
}
});
observer.observe(document.head, { childList: true });
console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');
})();
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();
GitHub - stac-extensions/template: A template repository for new extensions. It enables CI for schema publishing and proposes some core structures. · GitHub
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Template Extension Specification
This document explains the Template Extension to the SpatioTemporal Asset Catalog (STAC) specification.
This is the place to add a short introduction.
Fields
The fields in the table below can be used in these parts of STAC documents:
  •  Catalogs
  •  Collections
  •  Item Properties (incl. Summaries in Collections)
  •  Assets (for both Collections and Items, incl. Item Asset Definitions in Collections and Asset Templates)
  •  Links (incl. Link Templates)
  •  Bands
Field NameTypeDescription
template:new_fieldstringREQUIRED. Describe the required field...
template:xyzXYZ ObjectDescribe the field...
template:another_one[number]Describe the field...
Additional Field Information
template:new_field
This is a much more detailed description of the field template:new_field...
XYZ Object
This is the introduction for the purpose and the content of the XYZ Object...
Field NameTypeDescription
xnumberREQUIRED. Describe the required field...
ynumberREQUIRED. Describe the required field...
znumberREQUIRED. Describe the required field...
Relation types
The following types should be used as applicable rel types in the
Link Object.
TypeDescription
fancy-rel-typeThis link points to a fancy resource.
Contributing
All contributions are subject to the
STAC Specification Code of Conduct.
For contributions, please follow the
STAC specification contributing guide Instructions
for running tests are copied here for convenience.
Running tests
The same checks that run as checks on PRs are part of the repository and can be run locally to verify that changes are valid.
To run tests locally, you'll need npm, which is a standard part of any node.js installation.
First you'll need to install everything with npm once. Just navigate to the root of this repository and on
your command line run:
npm install
Then to check markdown formatting and test the examples against the JSON schema, you can run:
npm test
This will spit out the same texts that you see online, and you can then go and fix your markdown or examples.
If the tests reveal formatting problems with the examples, you can fix them with:
npm run format-examples
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