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Map Construction Algorithms

Enabled by the ubiquitous generation of geo-referenced tracking data, there has been a recent surge of algorithms that construct street maps from tracking data.

However, visual inspection is still the most common approach to evaluate the quality of the algorithms, and cross-comparison of different algorithms is very rare, since algorithms and constructed maps are generally not publicly available. There is a lack of benchmark data, and quantitative evaluation with suitable distance measures has just recently begun.

This repository will provide access to

  • a set of map generation algorithms,
  • data sets including tracking data as well as respective map datasets, and
  • various distance measures to assess the quality of the constructed maps.

As they become available, we encourage interested scientists and developers to add their source code to this site.

Citing the work

Should you use the source code and/or data from this site, please cite also the following paper:

M. Ahmed, S. Karagiorgou, D. Pfoser, and C. Wenk. A Comparison and Evaluation of Map Construction Algorithms. GeoInformatica, 19(3):601-632, 2015.

DOI: 10.1007/s10707-014-0222-6 - paper

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Refer to the project Web page for more details.

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, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all \u003cpre\u003e\u003ccode\u003e 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" + '
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Map Construction Algorithms

Enabled by the ubiquitous generation of geo-referenced tracking data, there has been a recent surge of algorithms that construct street maps from tracking data.

However, visual inspection is still the most common approach to evaluate the quality of the algorithms, and cross-comparison of different algorithms is very rare, since algorithms and constructed maps are generally not publicly available. There is a lack of benchmark data, and quantitative evaluation with suitable distance measures has just recently begun.

This repository will provide access to

  • a set of map generation algorithms,
  • data sets including tracking data as well as respective map datasets, and
  • various distance measures to assess the quality of the constructed maps.

As they become available, we encourage interested scientists and developers to add their source code to this site.

Citing the work

Should you use the source code and/or data from this site, please cite also the following paper:

M. Ahmed, S. Karagiorgou, D. Pfoser, and C. Wenk. A Comparison and Evaluation of Map Construction Algorithms. GeoInformatica, 19(3):601-632, 2015.

DOI: 10.1007/s10707-014-0222-6 - paper

Web page

Refer to the project Web page for more details.

About

Map Construction Algorithms

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73 stars

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7 watching

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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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Map Construction Algorithms

Enabled by the ubiquitous generation of geo-referenced tracking data, there has been a recent surge of algorithms that construct street maps from tracking data.

However, visual inspection is still the most common approach to evaluate the quality of the algorithms, and cross-comparison of different algorithms is very rare, since algorithms and constructed maps are generally not publicly available. There is a lack of benchmark data, and quantitative evaluation with suitable distance measures has just recently begun.

This repository will provide access to

  • a set of map generation algorithms,
  • data sets including tracking data as well as respective map datasets, and
  • various distance measures to assess the quality of the constructed maps.

As they become available, we encourage interested scientists and developers to add their source code to this site.

Citing the work

Should you use the source code and/or data from this site, please cite also the following paper:

M. Ahmed, S. Karagiorgou, D. Pfoser, and C. Wenk. A Comparison and Evaluation of Map Construction Algorithms. GeoInformatica, 19(3):601-632, 2015.

DOI: 10.1007/s10707-014-0222-6 - paper

Web page

Refer to the project Web page for more details.

About

Map Construction Algorithms

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73 stars

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7 watching

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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 \u003e 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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Map Construction Algorithms

Enabled by the ubiquitous generation of geo-referenced tracking data, there has been a recent surge of algorithms that construct street maps from tracking data.

However, visual inspection is still the most common approach to evaluate the quality of the algorithms, and cross-comparison of different algorithms is very rare, since algorithms and constructed maps are generally not publicly available. There is a lack of benchmark data, and quantitative evaluation with suitable distance measures has just recently begun.

This repository will provide access to

  • a set of map generation algorithms,
  • data sets including tracking data as well as respective map datasets, and
  • various distance measures to assess the quality of the constructed maps.

As they become available, we encourage interested scientists and developers to add their source code to this site.

Citing the work

Should you use the source code and/or data from this site, please cite also the following paper:

M. Ahmed, S. Karagiorgou, D. Pfoser, and C. Wenk. A Comparison and Evaluation of Map Construction Algorithms. GeoInformatica, 19(3):601-632, 2015.

DOI: 10.1007/s10707-014-0222-6 - paper

Web page

Refer to the project Web page for more details.

About

Map Construction Algorithms

Resources

Stars

73 stars

Watchers

7 watching

Forks

Releases

Packages

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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" + '
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Map Construction Algorithms

Enabled by the ubiquitous generation of geo-referenced tracking data, there has been a recent surge of algorithms that construct street maps from tracking data.

However, visual inspection is still the most common approach to evaluate the quality of the algorithms, and cross-comparison of different algorithms is very rare, since algorithms and constructed maps are generally not publicly available. There is a lack of benchmark data, and quantitative evaluation with suitable distance measures has just recently begun.

This repository will provide access to

  • a set of map generation algorithms,
  • data sets including tracking data as well as respective map datasets, and
  • various distance measures to assess the quality of the constructed maps.

As they become available, we encourage interested scientists and developers to add their source code to this site.

Citing the work

Should you use the source code and/or data from this site, please cite also the following paper:

M. Ahmed, S. Karagiorgou, D. Pfoser, and C. Wenk. A Comparison and Evaluation of Map Construction Algorithms. GeoInformatica, 19(3):601-632, 2015.

DOI: 10.1007/s10707-014-0222-6 - paper

Web page

Refer to the project Web page for more details.

About

Map Construction Algorithms

Resources

Stars

73 stars

Watchers

7 watching

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Releases

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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('^' + ".*" + '
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Map Construction Algorithms

Enabled by the ubiquitous generation of geo-referenced tracking data, there has been a recent surge of algorithms that construct street maps from tracking data.

However, visual inspection is still the most common approach to evaluate the quality of the algorithms, and cross-comparison of different algorithms is very rare, since algorithms and constructed maps are generally not publicly available. There is a lack of benchmark data, and quantitative evaluation with suitable distance measures has just recently begun.

This repository will provide access to

  • a set of map generation algorithms,
  • data sets including tracking data as well as respective map datasets, and
  • various distance measures to assess the quality of the constructed maps.

As they become available, we encourage interested scientists and developers to add their source code to this site.

Citing the work

Should you use the source code and/or data from this site, please cite also the following paper:

M. Ahmed, S. Karagiorgou, D. Pfoser, and C. Wenk. A Comparison and Evaluation of Map Construction Algorithms. GeoInformatica, 19(3):601-632, 2015.

DOI: 10.1007/s10707-014-0222-6 - paper

Web page

Refer to the project Web page for more details.

About

Map Construction Algorithms

Resources

Stars

73 stars

Watchers

7 watching

Forks

Releases

Packages

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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('^' + ".*" + '
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Map Construction Algorithms

Enabled by the ubiquitous generation of geo-referenced tracking data, there has been a recent surge of algorithms that construct street maps from tracking data.

However, visual inspection is still the most common approach to evaluate the quality of the algorithms, and cross-comparison of different algorithms is very rare, since algorithms and constructed maps are generally not publicly available. There is a lack of benchmark data, and quantitative evaluation with suitable distance measures has just recently begun.

This repository will provide access to

  • a set of map generation algorithms,
  • data sets including tracking data as well as respective map datasets, and
  • various distance measures to assess the quality of the constructed maps.

As they become available, we encourage interested scientists and developers to add their source code to this site.

Citing the work

Should you use the source code and/or data from this site, please cite also the following paper:

M. Ahmed, S. Karagiorgou, D. Pfoser, and C. Wenk. A Comparison and Evaluation of Map Construction Algorithms. GeoInformatica, 19(3):601-632, 2015.

DOI: 10.1007/s10707-014-0222-6 - paper

Web page

Refer to the project Web page for more details.

About

Map Construction Algorithms

Resources

Stars

73 stars

Watchers

7 watching

Forks

Releases

Packages

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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Map Construction Algorithms

Enabled by the ubiquitous generation of geo-referenced tracking data, there has been a recent surge of algorithms that construct street maps from tracking data.

However, visual inspection is still the most common approach to evaluate the quality of the algorithms, and cross-comparison of different algorithms is very rare, since algorithms and constructed maps are generally not publicly available. There is a lack of benchmark data, and quantitative evaluation with suitable distance measures has just recently begun.

This repository will provide access to

  • a set of map generation algorithms,
  • data sets including tracking data as well as respective map datasets, and
  • various distance measures to assess the quality of the constructed maps.

As they become available, we encourage interested scientists and developers to add their source code to this site.

Citing the work

Should you use the source code and/or data from this site, please cite also the following paper:

M. Ahmed, S. Karagiorgou, D. Pfoser, and C. Wenk. A Comparison and Evaluation of Map Construction Algorithms. GeoInformatica, 19(3):601-632, 2015.

DOI: 10.1007/s10707-014-0222-6 - paper

Web page

Refer to the project Web page for more details.

About

Map Construction Algorithms

Resources

Stars

73 stars

Watchers

7 watching

Forks

Releases

Packages

Contributors

Languages