25:["$","title",null,{"children":"GNSS Permanent Station Data Access 3.0 | Saeed Izanlo's Workspace | Observable"}] 49:T474,title = md`# GNSS Permanent Station Data Access 3.0 *This tool is in beta. We suggest viewing this notebook in the [Chrome Browser](https://www.google.com/chrome/).* This notebook searches GNSS Permanent Station data in the GAGE GNSS Archive and provides URLs for downloading the data from our [gage-data.earthscope.org](https://gage-data.earthscope.org) data file server. See our [GNSS Campaign Data Access notebook](https://observablehq.com/@earthscope/campaign-data-access?collection=@earthscope/nsf-gage-facility-data-access) for episodic (non-permanent) campaign data. **[Data Policy](https://www.unavco.org/community/policies_forms/data-policy/data-policy.html)**. By accessing data from the NSF GAGE Facility archive, operated by EarthScope Consortium (formerly UNAVCO), users agree to appropriate [attribution](https://www.unavco.org/community/policies_forms/attribution/attribution.html) to providers and their sponsors, acknowledgment of EarthScope Consortium and its sponsors, and to adherence to professional and ethical standards. **[Release Notes](https://observablehq.com/@unavco/release-notes-data-archive-interface)**`4a:Teb5,// This map will redraw if the underlying data specifying the markers on the map changes. // To preserve state, we redraw polygons in the event tileMap is reevaluated. viewof tileMap = { const container = html`

`; yield container; // Give the container dimensions. let map = new mapboxgl.Map({ container, center: [-105.2705, 40.015], // Boulder, Colorado zoom: 4, maxZoom: 20, style: "mapbox://styles/mapbox/" + globeStyle, // This is all one needs to set the projection. Values are derived from the input cell defined above. projection: { name: "globe" }, scrollZoom: true }); map.addControl(new mapboxgl.FullscreenControl()); if (Object.keys(stationIndex).length == 0) { var draw = new MapboxDraw({ displayControlsDefault: false, controls: { polygon: true, trash: true }, defaultMode: "draw_polygon" }); map.addControl(draw, "top-left"); // Redraw previously drawn polygons, if any. for (let id in polygons) { draw.add({ type: "Feature", properties: { type: "Feature" }, id: id, geometry: { type: "Polygon", coordinates: [polygons[id]] } // Note, coordinates is an array of (one) polygon. }); // Add a Polygon feature. } } // Add a polygon, index by ID. map.on("draw.create", (e) => { let feature = e.features[0]; mutable polygons[feature.id] = feature.geometry.coordinates[0]; mutable signal *= -1; }); // Remove a polygon by ID. map.on("draw.delete", (e) => { let feature = e.features[0]; delete mutable polygons[feature.id]; mutable signal *= -1; }); // Update a polygon by ID. map.on("draw.update", (e) => { let feature = e.features[0]; mutable polygons[feature.id] = feature.geometry.coordinates[0]; mutable signal *= -1; }); // returns coordinates of added station function addStation2Map(code) { const features = siteCode2SiteIdMap.get(code); let hasGnss = locationHasType(code, "rinex"); const feature = features[0]; var el = document.createElement("div"); el.className = "marker"; el.style.width = ".65em"; el.style.height = ".65em"; el.style["background-color"] = "magenta"; el.style["border"] = "solid .18em"; el.style.opacity = 0.8; if (toggle4CharLabels) { el.textContent = code; el.style.lineHeight = "3em"; } new mapboxgl.Marker(el).setLngLat(feature.geometry.coordinates).addTo(map); return feature.geometry.coordinates; } // Only render the list of station codes entered by the user. if (stationSelection.length) { let coordinates = []; for (const code of Object.keys(stationIndex)) { try { coordinates.push(addStation2Map(code)); } catch (e) { console.log("error adding station to map", e); } } // Zoom to centroid. try { let longExtent = d3.extent(coordinates, (d) => d[0]); let latExtent = d3.extent(coordinates, (d) => d[1]); let bbox = [ [longExtent[0], latExtent[0]], [longExtent[1], latExtent[1]] ]; map.fitBounds(bbox, { padding: { top: 50, bottom: 50, left: 50, right: 50 } }); } catch (e) { console.log("Error flying to centroid of station selection."); } } else { // Place markers on the map to represent geodetic locations. Only draw one marker for each site code. Ultimate selection by the user // May have multiple site IDs selected for a given site code, as specified by selections made in the time section. for (const code of siteCode2SiteIdMap.keys()) { addStation2Map(code); } mutable signal *= -1; } invalidation.then(() => map.remove()); }4b:T56e,// Forming the fetch products POST request payload. items = { let data = []; // Each location is represented once in the table, but each location may correspond to multiple // products or sample intervals polygonTable.forEach((row) => { if (analysisCenters.length) { data.push({ endDate: dateFormat(endDate), gnss: { position: { items: [row.Site], selections: { analysis_center: analysisCenters, reference_frame: referenceFrames } } }, startDate: dateFormat(startDate) }); } let dictionary = {}; siteCode2SiteIdMap .get(row.Site) .filter((d) => d.properties.data_type === "rinex") .forEach((d) => { dictionary[d.properties.site_id] = row.Site; }); if (rinex2Selections.length || rinex3Selections.length) { data.push({ endDate: dateFormat(endDate), gnss: { rinex: { items: dictionary, selections: { // One or more of these selections will optionally be present ...(rinex2Selections.length && { rinex2: rinex2Selections }), ...(rinex3Selections.length && { rinex3: rinex3Selections }) } } }, startDate: dateFormat(startDate) }); } }); return data; }4c:T49b,function readmeText() { signal; return `© ${d3.timeFormat("%Y")(today)} EarthScope Consortium This download was created on ${readableDateFormat(today)}. Recreate me here: ${shareableUrl} Contact brooks.mershon@earthscope.org with questions, concerns, or bug reports. You can also leave comments on the notebook that created this file at the link above. There is ${bytesToString(summary.overall_file_size)} of data in ${d3.format( "," )(summary.overall_number_files)} files contained in this directory. Here is the manifest of files downloaded, where a ❌ indicates an error occured and this particular path was not downloaded: This list of files was gathered with the following selections: ${startDate} through ${endDate} Rinex2: ${rinex2Selections} Rinex3: ${rinex3Selections} ReferenceFrames: ${referenceFrames} Analysis Centers: ${analysisCenters} ${polygonTableData.length ? "Stations:" : ""} ${polygonTableData.map((d) => d.Site).join("\n")} ${ Object.keys(polygons).length ? "Selection Areas [longitude, latitude]:" : "No search areas draw on map." } ${Object.keys(polygons) .map((id) => JSON.stringify(polygons[id])) .join("\n\n")}`; }4d:T75e,timeTableData = { const realtimeTranslation = { Y: "Yes", N: "No" }; return ( // rinex/position metadataSearchResults.features .map((d, i) => { if (d.properties.data_type === "position") { return { Type: d.properties.data_type, site_id: null, Site: d.properties.site_code, Plot: `https://observablehq.com/@unavco/gnss-position-timeseries?station=%22${d.properties.site_code}%22` + `&start=%22${startDate}%22&station=%22${d.properties.site_code}%22&end=%22${endDate}%22`, ["First Date"]: null, ["Last Date"]: null, ["Interval"]: d.properties.sample_interval, ["Coverage"]: null, ["Percent"]: null }; } let coverage = intervals.get(d.properties.site_id)[0]; let dates = []; let datum = { ["Realtime"]: realtimeTranslation[d.properties.is_realtime], Metadata: d.properties.site_code, Type: d.properties.data_type, site_id: d.properties.site_id, Site: d.properties.site_code, Plot: `https://observablehq.com/@unavco/gnss-position-timeseries?station=%22${d.properties.site_code}%22` + `&start=%22${startDate}%22&station=%22${d.properties.site_code}%22&end=%22${endDate}%22`, ["First Date"]: coverage.first_date, ["Last Date"]: coverage.last_date, ["Interval"]: d.properties.sample_interval, ["Coverage"]: coverage.coverage }; datum["Percent"] = coverage.percent; datum.i = coverage.i; return datum; }) // Disregard sites with no data in our date range. // .filter((d) => siteId2SiteCodeMap.has(d.site_id) && d.percent > 0) .sort((a, b) => d3.descending(a.percent, b.percent)) ); }4e:[{"id":"98fb36128b451d35d768a9943c6af81c129feccfde87a214495366414fd17934a1c79eedace54547a651b00328da90a5ed2c8dc88dadb543fc920cd5a1442fdd","href":"https://static.observableusercontent.com/files/98fb36128b451d35d768a9943c6af81c129feccfde87a214495366414fd17934a1c79eedace54547a651b00328da90a5ed2c8dc88dadb543fc920cd5a1442fdd","name":"map_draw_button.svg","type":"image/svg+xml","lastModified":1746602587918.578,"size":331},{"id":"d680d3eadc1f447626bc65dd96cf3c4be390554ef62ba4ff86b41e9b2628d807feb1d178bfba48e61499f7b5829d56d3dc6bf1bd043cf9093bce4be5abe30765","href":"https://static.observableusercontent.com/files/d680d3eadc1f447626bc65dd96cf3c4be390554ef62ba4ff86b41e9b2628d807feb1d178bfba48e61499f7b5829d56d3dc6bf1bd043cf9093bce4be5abe30765","name":"delete_icon.svg","type":"image/svg+xml","lastModified":1746602587918.578,"size":227}] 29:{"id":"4d91aa181577467b","slug":null,"title":"GNSS Permanent Station Data Access 3.0","thumbnail":"ddc0d94e49fe7c41db3de83d69907306c31a7b4710c2e79e57cc55e289d68a7f","access_level":"public","create_time":"$D2025-05-07T07:23:07.918Z","update_time":"$D2025-05-07T07:23:07.918Z","view_time":null,"first_public_time":"$D2025-05-07T07:23:07.918Z","has_unpublished_edits":null,"fork":{"id":"21292c9e74eebd3b","slug":"gnss-data-access","title":"GNSS Permanent Station Data Access 3.0","owner":{"id":"a505e42d43acc70e","login":"earthscope","name":"EarthScope Consortium"}},"stars":0,"starred":false,"owner":{"type":"team","id":"3673305b948da7b5","login":"saeed-izanlo-ws","name":"Saeed Izanlo's Workspace","avatar_url":"https://avatars-next.observableusercontent.com/1a8a7702d9dab6c76772ab3e07ea7e4ff522d8ca688ce80c60bd6ea590566c29","tier":"starter_2024","bio":"","following":false},"version":10547,"publish_version":null,"role":null,"authored":false,"authors":[{"type":"individual","id":"2720e4b9e4c16a6b","login":"saeediznlo","name":"Saeed Izanlo","avatar_url":"https://avatars-next.observableusercontent.com/9d64dd40f399bd1dcfc671ffafaa4b1e42d2201ea0e930d1c7653926ee898ef0","tier":null,"bio":"","following":false}],"members":[{"type":"individual","id":"2720e4b9e4c16a6b","login":"saeediznlo","name":"Saeed Izanlo","avatar_url":"https://avatars-next.observableusercontent.com/9d64dd40f399bd1dcfc671ffafaa4b1e42d2201ea0e930d1c7653926ee898ef0","tier":null,"role":"editor"}],"comments":[],"custom_thumbnail":false,"trashed":false,"lapsed":null,"subscribed":null,"forks":0,"collection":null,"type":"notebook","body":{"titling":"auto","title":"GNSS Permanent Station Data Access 3.0","cells":[{"id":0,"value":"$49","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":8644,"value":"md`© 2024 Earthscope Consortium.\n\nPlease use this code in accordance with the [MIT License](https://opensource.org/licenses/MIT).`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":104,"value":"when = md`## 🕒 WHEN: Find data by *time*`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":6336,"value":"viewof startDate = Inputs.date({\n label: \"Start Date\",\n min: \"1992-01-01\",\n max: dateFormat(today),\n value: importConfiguration.startDate\n ? importConfiguration.startDate\n : \"1994-01-01\"\n})","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":6329,"value":"viewof endDate = Inputs.date({\n label: \"End Date\",\n min: dateFormat(startDate),\n max: dateFormat(today),\n value: importConfiguration.endDate\n ? importConfiguration.endDate\n : dateFormat(today), // Default: yesterday.\n description: md`Some daily data may not be available if your end date is **today**.`\n})","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":3148,"value":"what = md`## 📡 WHAT: Find data by *kind*`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":7223,"value":"rinexDocumentation = html`

RINEX (Documentation)

Position (Documentation)

🌟 Share

\n\n

You can share this notebook exactly how it is configured with a friend, colleague, or yourself to save your work.

`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":5864,"value":"shareableUrlTextbox = Inputs.textarea({\n value: shareableUrl,\n width: 960,\n rows: 6,\n disabled: true,\n submit: false,\n label: \"Share notebook\"\n})","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":384,"value":"downloadHeading = md`## ⬇️ Download\n`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":6600,"value":"polygontableDownloadSummarys = md`There is **${bytesToString(\n summary.overall_file_size\n)}** of data in **${d3.format(\",\")(\n summary.overall_number_files\n)}** available files for download.`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":6692,"value":"viewof summaryTable = Table(summary.items, {\n columns: [\n \"site_code\",\n \"sample_interval\",\n \"site_file_size\",\n \"number_files\",\n \"data_type\"\n ],\n sort: \"site_file_size\",\n reverse: true,\n value: summary.items,\n multiple: false,\n format: {\n site_file_size: (d) =>\n html` 0 ? \"bold\" : \"red\"} color=\"${\n d > 0 ? \"black\" : \"red\"\n }\">${d == 0 ? \"No Data\" : bytesToString(d)}`,\n data_type: (d, i) =>\n summary.items[i].is_rinex3 == \"Y\" ? d.replace(/RINEX/i, \"RINEX 3\") : d,\n number_files: (d) =>\n html` 0 ? \"bold\" : \"red\"} color=\"${\n d > 0 ? \"black\" : \"red\"\n }\">${d == 0 ? \"No Data\" : d3.format(\",\")(d)}`\n },\n width: {\n data_type: 450\n }\n})","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":10312,"value":"viewof textarea = Inputs.textarea({\n rows: 12,\n width: 960,\n disabled: true,\n label: \"File Paths\",\n value: manifest()\n})","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":10336,"value":"viewof copyPathsButton = Inputs.button(\"Copy File Paths\", {\n reduce: () => {\n navigator.clipboard.writeText(manifest()).then(\n () => console.log(\"Copied text OK\"),\n (e) => console.log(\"Failed to copy text\", e)\n );\n }\n})","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":10416,"value":"embedCopyPathsDownloadLink = md`_Copy_ your **${d3.format(\",\")(\n summary.overall_number_files\n)}** file paths and _paste_ them in our Downloader. `","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":195,"value":"md`---\n# Appendix`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":8575,"value":"md`## Cartography`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":6410,"value":"mutable signal = 1","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":6430,"value":"polygonSearchResults = {\n signal;\n if (Object.keys(polygons).length) {\n return await polygonSearch({\n polygons: Object.keys(polygons).map((id) => {\n signal; // Force evaluation of this cell to occur.\n return polygons[id];\n })\n });\n }\n return { type: \"FeatureCollection\", features: [], totalFeatures: 0 };\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":1786,"value":"// The collection of drawn bounding polygons used for spatial search\n// Polygons can be created, updated, and deleted from this list using perisistent ids\n// Polygons have a 'id' property and a 'geometry' property with a 'coordinates' array of (long, lat) tuples.\n// (easting, northing)\nmutable polygons = importConfiguration.polygons\n ? importConfiguration.polygons\n : {}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":6435,"value":"polygonTableData = {\n function result(feature) {\n return {\n Site: feature.properties.site_code,\n Lon: feature.geometry.coordinates[0],\n Lat: feature.geometry.coordinates[1],\n Height: feature.geometry.coordinates[2]\n };\n }\n // Table displays only the named stations.\n if (Object.keys(stationIndex).length) {\n let results = [];\n for (const code of Object.keys(stationIndex)) {\n try {\n results.push(result(siteCode2SiteIdMap.get(code)[0]));\n } catch (e) {\n console.log(\"error displaying polygon search table\", code);\n }\n }\n return results;\n } else if (polygonSearchResults.totalFeatures > 0) {\n return (\n polygonSearchResults.features\n // Only include site codes that appear in the time section AND in station list.\n .filter((feature) =>\n siteCode2SiteIdMap.has(feature.properties.site_code)\n )\n .map((feature) => result(feature))\n );\n }\n\n return [];\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":1772,"value":"MapboxDraw = {\n const gl = await require(\"@mapbox/mapbox-gl-draw\");\n const href = await require.resolve(\"@mapbox/mapbox-gl-draw/dist/mapbox-gl-draw.css\");\n document.head.appendChild(html``);\n return gl;\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":1377,"value":"mapboxgl = {\n const gl = await require(\"mapbox-gl@2.9.1\");\n if (!gl.accessToken) {\n gl.accessToken =\n \"pk.eyJ1IjoiYnJvb2tzbWFwcyIsImEiOiJja25ycjdmZXMwc3NoMm9xbXdpNThra2huIn0.j1ccDRj-S8MCp33aq9zbDw\";\n const href = await require.resolve(\"mapbox-gl@2.9.1/dist/mapbox-gl.css\");\n document.head.appendChild(html``);\n }\n return gl;\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":9246,"value":"embedString = ``","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":8583,"value":"md`## Files`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":10299,"value":"async function blob() {\n let zip = new jszip();\n\n zip.file(\"README.md\", readmeText());\n\n zip.file(\"manifest.txt\", manifest().join(\"\\n\"));\n\n let buffer = await zip\n .generateAsync({ type: \"arraybuffer\" })\n .then((buffer) => buffer);\n\n return new Blob([buffer], { type: \"arraybuffer\" });\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":6513,"value":"$4b","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":6512,"value":"summary = {\n let controller = new AbortController();\n\n invalidation.then(() => controller.abort());\n\n return fetchProducts({\n items: items,\n view: \"summary\",\n abort: controller.signal // Allow fetch to abort itself when this cell is re-evaluated.\n }).then((d) =>\n d ? d : { overall_file_size: 0, overall_number_files: 0, items: [] }\n );\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":7597,"value":"downloadMetadata = fetchProducts({ items: items, view: \"metadata\" }).then(\n (d) => {\n return d ? d : { overall_file_size: 0, overall_number_files: 0, items: [] };\n }\n)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":10304,"value":"function manifest() {\n if (downloadMetadata.overall_number_files == 0) return [];\n\n return downloadMetadata\n .map((d) => d.path)\n .sort()\n .join(\"\\n\");\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":6744,"value":"$4c","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":8594,"value":"md`## Data`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":9816,"value":"STATUS_OK = 200","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":9208,"value":"env = importConfiguration.environment ? importConfiguration.environment : \"dev\"","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":7732,"value":"baseUrl = document.baseURI.split(\"?\")[0]","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":9263,"value":"shareableUrl = baseUrl.split(\"?\")[0] + shareableSuffix","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":6831,"value":"shareableSuffix = {\n stationSelection;\n\n let url = \"?\"; // Everything before the query\n\n let strippedParams = {};\n\n for (const [key, value] of Object.entries(exportConfiguration)) {\n if (value) {\n strippedParams[key] = value;\n }\n }\n\n return url + new URLSearchParams(strippedParams).toString();\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":9150,"value":"meteorologicalUrl = shareableUrl.replace(\"gnss\", \"meteorological\")","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":7818,"value":"stationIndex = {\n let dictionary = {};\n\n if (stationSelection.length) {\n stationSelection\n .split(\" \")\n .forEach((d) => (dictionary[d.toUpperCase()] = true));\n }\n\n return dictionary;\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":6810,"value":"// Every property has a string as its value.\nexportConfiguration = {\n signal;\n\n let obj = {\n stations: stationSelection.split(\" \").map((d) => d.toUpperCase()),\n polygons: polygons,\n rinex2Selections: rinex2Selections,\n rinex3Selections: rinex3Selections,\n referenceFrames: referenceFrames,\n analysisCenters: analysisCenters,\n sampleIntervalSelection: sampleIntervalSelection,\n antennaSelection: antennaSelection,\n receiverSelection: receiverSelection,\n radomeSelection: radomeSelection,\n // realtimeSelection: realtimeSelection,\n startDate: startDate,\n endDate: endDate\n };\n\n for (const property in obj) {\n obj[property] = JSON.stringify(obj[property]);\n }\n\n return obj;\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":8498,"value":"// Returns true if a site code has any site_ids or products corresponding to a particular data type.\nfunction locationHasType(code, type) {\n let features = siteCode2SiteIdMap.get(code);\n for (let i = 0; i < features.length; i++) {\n if (features[i].properties.data_type === type) {\n return true;\n break;\n }\n }\n return false;\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":6836,"value":"mutable importConfiguration = {\n let dict = {};\n let i = 0;\n\n // Hack: Fixes apparent bug with Observable passing location.search down from parent frame.\n while (!location.search && i < 2) {\n i++;\n yield Promises.tick(1000, {});\n }\n\n if (location.search) {\n let queries = location.search.length\n ? location.search\n .substring(1)\n .split(\"&\")\n .map((d) => d.split(\"=\"))\n : [];\n\n queries.forEach((d) => {\n if (d[1]) {\n try {\n dict[d[0]] = JSON.parse(decodeURIComponent(d[1]));\n } catch (error) {\n console.log(\"Unable to process query parameter: \", d[0], d[1]);\n }\n }\n });\n }\n\n yield dict;\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":7975,"value":"selectedStation = timeTable ? timeTable.site_code : null","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":6466,"value":"// One to many map indicating list of products/intervals available for a particular geodetic location.\nsiteCode2SiteIdMap = d3.group(\n metadataSearchResults.features,\n (d) => d.properties.site_code\n)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":6377,"value":"// Many to one mapping of products/intervals mapped to their geodetic location (site code).\nsiteId2SiteCodeMap = d3.group(metadataSearchResults.features, (d) =>\n d.properties.site_id\n ? d.properties.site_id\n : d.properties.site_code + d.properties.data_type\n)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":8708,"value":"intervals = {\n let gnss = await stationCoverage();\n\n let merged = gnss.features.map((d, i) => {\n let dates = [];\n let ranges = JSON.parse(d.properties.ranges);\n\n let scale = d3\n .scaleLinear()\n .domain([startDate, endDate])\n .range([0, 1])\n .clamp(true);\n\n let datum = {\n site_id: d.properties.site_id,\n site_code: d.properties.site_code,\n first_date: d3.min(ranges, (d) => d3.timeParse(\"%s\")(d.start_date)),\n last_date: d3.max(ranges, (d) => d3.timeParse(\"%s\")(d.end_date)),\n coverage: ranges.map((range) => {\n return [\n scale(d3.timeParse(\"%s\")(range.start_date)),\n scale(d3.timeParse(\"%s\")(range.end_date))\n ];\n })\n };\n\n datum.percent = d3.sum(datum.coverage, (d) => d[1] - d[0]);\n datum.i = i;\n\n return datum;\n });\n\n return d3.group(merged, (d) => d.site_id);\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":6341,"value":"$4d","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":6332,"value":"metadataSearchResults = metadataSearch({\n position: analysisCenters.length > 0,\n rinex: rinex2Selections.length > 0 || rinex3Selections.length > 0,\n startDate: dateFormat(startDate),\n endDate: dateFormat(endDate),\n sample_interval:\n sampleIntervalSelection.length == 2\n ? \">0\"\n : sampleIntervalSelection.length == 0\n ? \">1\"\n : sampleIntervalSelection[0],\n receiver: receiverSelection,\n antenna: antennaSelection,\n // antenna_height: antennaHeightSelection, TODO\n radome: radomeSelection\n // realtime: realtimeSelection ? \"Y\" : undefined\n})","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":6311,"value":"metadataValues = metadataOptions()","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":9471,"value":"pod = podStations()","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":9468,"value":"podMap = d3.group(pod.features, (d) => d.properties.fourcharid) // create a convenient constant time lookup table","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":8610,"value":"md`## Style`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":9533,"value":"style = html``","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":4481,"value":"html``","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":4983,"value":"drawIcon = FileAttachment(\"map_draw_button.svg\").image()","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":5014,"value":"deleteIcon = FileAttachment(\"delete_icon.svg\").image()","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":9094,"value":"polygonSparkWidth = 225","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":9123,"value":"polygonSparkHeight = 30","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":70,"value":"dateFormat = d3.timeFormat(\"%Y-%m-%d\")","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":72,"value":"today = new Date()","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":157,"value":"oneYearAgo = {\n let c = new Date(); // today, still today!\n c.setDate(today.getDate() - 365);\n return c;\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":802,"value":"threeDaysAgo = {\n let c = new Date(); // today, still today!\n c.setDate(today.getDate() - 3);\n return c;\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":116,"value":"readableDateFormat = d3.timeFormat(\"%B %d, %Y\")","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":119,"value":"parseDate = d3.timeParse(\"%Y-%m-%d\")","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":4325,"value":"parseDateZulu = d3.timeParse(\"%Y-%m-%d%Z\")","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":611,"value":"// We use this function to ensure we never send an invalid date range query to the geoserver.\n// This is useful if the date selector is left incomplete while the user changes a selection. In the meantime, the incorrect query will be replaced with one or both of the date range endpoints being equal to TODAY.\nfunction validDate(d) {\n return parseDate(d) ? dateFormat(parseDate(d)) : dateFormat(today);\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":1094,"value":"// A silly method that saves a lot of typing in the above document.\nfunction addPlural(base, number) {\n return number !== 1 ? base + 's' : base;\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":7893,"value":"eventStations = importConfiguration.stations\n ? importConfiguration.stations\n : importConfiguration.radius &&\n importConfiguration.date &&\n importConfiguration.longitude &&\n importConfiguration.latitude\n ? eventSearch({\n radius: importConfiguration.radius,\n date: importConfiguration.date,\n lon: importConfiguration.longitude,\n lat: importConfiguration.latitude\n }).then((data) => data.map((d) => d.station_code))\n : []","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":4062,"value":"// Returns a canvas element to represent a series of intervals in the range [0, 1].\nfunction sparkline(intervals, { width = 250, height = 20 }) {\n const x = d3\n .scaleLinear()\n .domain([0, 1])\n .range([1, width - 1]);\n const y = d3\n .scaleLinear()\n .domain([0, 1])\n .range([height / 2, height / 2]);\n const context = DOM.context2d(width, height);\n const line = d3\n .line()\n .x((d, i) => x(d))\n .y(y)\n .context(context);\n\n context.beginPath();\n context.rect(0, 0, width, height);\n context.stroke();\n\n context.lineWidth = height - 2;\n context.strokeStyle = \"green\";\n\n intervals.forEach((range) => {\n context.beginPath();\n line(range);\n context.stroke();\n });\n\n return context.canvas;\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":6938,"value":"function inIframe() {\n try {\n return window.self !== window.top;\n } catch (e) {\n return true;\n }\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":8630,"value":"md`## Imports`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":4,"value":"d3 = require('d3')","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":205,"value":"import {Search, Table, Button, Toggle, Range, Radio} from '@observablehq/inputs'","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":688,"value":"import { download } from \"@mbostock/lazy-download\"","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":2513,"value":"jszip = require(\"jszip@3/dist/jszip.min.js\")","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":5852,"value":"import { Copier } from \"@mbostock/copier\"","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":8468,"value":"import { Swatches } from \"@d3/color-legend\"","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":7972,"value":"import { positionJson, lineChart as positionTimeseries, k } with {\n selectedStation as station,\n startDate as start,\n endDate as end,\n timeseriesDimensions as dimensions,\n timeSeriesWindow as k\n} from \"@earthscope/gnss-position-timeseries\"","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":6299,"value":"import {\n eventSearch,\n position,\n velocity,\n fetchProducts,\n stationCoverage,\n metadataSearch,\n polygonSearch,\n metadataOptions,\n podStations\n} with { env as environment } from \"@earthscope/gnss-web-services\"","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":8852,"value":"import { textcolor } from \"@observablehq/text-color-annotations-in-markdown\"","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":8975,"value":"import { line } from \"@bmershon/inline-plots\"","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":9549,"value":"import { signin, authenticate } from \"@earthscope/auth0\"","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":10287,"value":"import { bytesToString } from \"@earthscope/bytes\"","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"}],"files":"$W4e","stdlib":"1"}} 24:null