3e:null 3f:["$","title",null,{"children":"Importing Geo spatial data from marineregions.org Marine Gazetteer web services | Niall Murphy's Workspace | Observable"}] 45:[] 43:{"id":"815cfe4e2ce301a2","slug":null,"title":" Importing Geo spatial data from marineregions.org Marine Gazetteer web services ","thumbnail":"e38543040f0c2fc63f07004e5e1f8a5dde3ab45fb1801827dff4bdc20626a02f","access_level":"public","create_time":"$D2024-01-14T01:47:56.109Z","update_time":"$D2024-09-17T10:56:02.340Z","view_time":null,"first_public_time":"$D2024-01-14T01:47:56.109Z","has_unpublished_edits":null,"fork":false,"stars":0,"starred":false,"owner":{"type":"team","id":"f8306151feee98aa","login":"niall-murphy-ws","name":"Niall Murphy's Workspace","avatar_url":"https://avatars-next.observableusercontent.com/2db4603194605dd2f5d5c36ac6e1778df64480d2ea968da7fea286523e32dab8","tier":"starter_2024","bio":"","following":false},"version":2217,"publish_version":null,"role":null,"authored":false,"authors":[{"type":"individual","id":"0610612da6ec42b6","login":"niall-murphy","name":"Niall Murphy","avatar_url":"https://avatars-next.observableusercontent.com/3e40207538d1a146f54f809649e35d87d949baa7089d0d52650aab00d264fb99","tier":null,"bio":"","following":false}],"members":[{"type":"individual","id":"0610612da6ec42b6","login":"niall-murphy","name":"Niall Murphy","avatar_url":"https://avatars-next.observableusercontent.com/3e40207538d1a146f54f809649e35d87d949baa7089d0d52650aab00d264fb99","tier":null,"role":"editor"},{"type":"team","id":"f8306151feee98aa","login":"niall-murphy-ws","name":"Niall Murphy's Workspace","avatar_url":"https://avatars-next.observableusercontent.com/2db4603194605dd2f5d5c36ac6e1778df64480d2ea968da7fea286523e32dab8","tier":"starter_2024","role":"editor"}],"comments":[],"custom_thumbnail":false,"trashed":false,"lapsed":null,"subscribed":null,"forks":1,"collection":null,"type":"notebook","body":{"titling":"auto","title":" Importing Geo spatial data from marineregions.org Marine Gazetteer web services ","cells":[{"id":273,"value":"# Importing Geo spatial data from marineregions.org Marine Gazetteer web services ","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":574,"value":"The Flanders Marine Institute make available marine regions data via a RESTful API. The RESTful API is available from \n www.marineregions.org. Functions to make calls to the Marine Region's RESTful API are available from \n @niall-murphy-ws/marine-regions-restful-methods notebook.\n\nThis data is made available in digital form by the Flanders Marine Data and Information Centre [1]. \n\n[1] Flanders Marine Institute (2018). IHO Sea Areas, version 3. Available online at http://www.marineregions.org/. https://doi.org/10.14284/323.","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":558,"value":"## Gazetteer RESTful methods ","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":1719,"value":"### Get Gazetteer Types","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":930,"value":"gazetteer_types = getGazetteerTypesJson()","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":1729,"value":"gazetteer_types","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":1716,"value":"### Get Gazetteer Sources","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":277,"value":"gazetteer_sources = getGazetteerSourcesJson()","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":1726,"value":"gazetteer_sources","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":592,"value":"### View Gazette types from Marinregions.org \n","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":1908,"value":"Create a selection tool allowing users to view the Gazette type from Marinregions.org on a map.\n\n","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":1910,"value":"viewof gazette_type_selected = Inputs.select(gazetteer_types, {\n label: \"Gazette type Picker.\",\n unique: true,\n format: x => x.type , \n value: gazetteer_types.find(t => t.type === \"EEZ\")}) ","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":1917,"value":"marine_region_zone_type=getGazetteerRecordsByTypeJson(gazette_type_selected.type)","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":1949,"value":"olDataGazetteType=(getOpenLayerFeaturesByGazetteerRecords(marine_region_zone_type))","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":2022,"value":"### Create an interactive map showing the regions of the Gazette type","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":1541,"value":"/*\nAdapted from https://observablehq.com/@mbostock/hello-openlayers-select\nand \nhttps://tsauerwein.github.io/ol3/animation-flights/examples/wkt.html\n*/\n\nviewof mapGazetteType = {\n const target = html`

`;\n yield target; // Give the container dimensions.\n const map = new ol.Map({\n layers: [\n new ol.layer.Tile({\n source: new ol.source.OSM()\n }),\n new ol.layer.Vector({\n source: new ol.source.Vector({\n features: olDataGazetteSource\n }) \n })\n ],\n target,\n view: new ol.View({\n center: [0, 0],\n zoom: 2\n })\n });\n target.value = []; // Initial empty selection.\n const select = new ol.interaction.Select();\n select.on(\"select\", event => {\n target.value = select.getFeatures().getArray();\n target.dispatchEvent(new Event(\"input\", {bubbles: true}));\n })\n map.addInteraction(select);\n invalidation.then(() => map.dispose());\n return target;\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":25,"value":"# IMPORTS","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":290,"value":"## Function to draw maps in Canvas","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":293,"value":"import { mapCanvas, worldRegions } from \"@deaxmachina/collection-of-maps\"","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":1706,"value":"## Marine Regions RESTful methods functions","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":1708,"value":"import { getGazetteerSourcesJson, getGazetteerTypesJson, getGazetteerGeometriesJson, getGazetteerRecordsBySourceJson, getWKTByMRGID,getGazetteerRecordByMRGIDJson, getpreferredGazetteerName, getOpenLayerFeatureByMRGID,getGazetteerRecordsByTypeJson, getOpenLayerFeaturesByGazetteerRecords} from \"@niall-murphy-ws/marine-regions-restful-methods\"","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":2171,"value":"## mdPlus","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":179,"value":"# DEFINE FUNCTIONS","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":222,"value":"### getNuclides function ","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":182,"value":"There is no function in @francobollo/maris-api notebook for 'getNuclides'. ","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":192,"value":"Here we will define a function for 'getNuclides' that will return the 'lutArray'defined in @francobollo/maris-api notebook","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":189,"value":"import { lutArray } from \"@francobollo/maris-api\"","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":197,"value":"function getNuclides() {\n return lutArray;\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":1499,"value":"# Import OpenLayers\n\n","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":1497,"value":"ol = {\n const ol = await require(\"ol@8.2.0/dist/ol.js\").catch(() => window.ol);\n if (!ol._style) ol._style = document.head.appendChild(html``);\n return ol;\n}","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":765,"value":"# HTMYL style","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":763,"value":"html `\n\n`","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":771,"value":"

","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"}],"files":"$W45","stdlib":"1"}} 44:"$43:body"