27:null 28:["$","title",null,{"children":"Visualizing weather type in ensembles | inanimatedObjects | Observable"}] 2d:T587,stackLegend = { const colourTable = tidy( stackData, transmute({ conditions: d => d.key }), innerJoin(colourScheme) ).map((d, i) => ((d.x = i), d)); const colourScale = d3 .scaleOrdinal() .domain(colourTable.map(d => d.conditions)) .range(colourTable.map(d => d.colour)); const plotWidth = 800; const boxWidth = d3.min([50, plotWidth / colourTable.length]); const boxHeight = boxWidth / 2.67; const symbolSize = d3.max([boxWidth - 20, 30]); const plotHeight = 50; let svg = d3.select("#stackChartLegend"); if (svg.empty()) { svg = d3 .create("svg") .attr("id", "stackChartLegend") .attr("width", plotWidth) .attr("height", plotHeight) .attr("font-family", "sans-serif"); } const rects = selectOrAppend("g", "LegendCol", svg) .selectAll("rect") .data(colourTable) .join("rect") .attr("fill", d => colourScale(d.conditions)) .attr("width", boxWidth - 2) .attr("height", boxHeight) .attr("x", d => d.x * boxWidth + 2) .attr("y", 0); const symbols = selectOrAppend("g", "LegendSym", svg) .selectAll("image") .data(colourTable) .join("image") .attr("width", symbolSize) .attr("height", symbolSize) .attr("x", d => d.x * boxWidth + boxWidth / 2 - symbolSize / 2) .attr("y", d => boxHeight) .attr("href", d => weatherSymbols[[d.symbol_code]]); return svg.node(); }2e:Ta15,stackedColChart = { const plotWidth = towerWidth + towerMargins.left + towerMargins.right; const plotHeight = towerHeight + towerMargins.top + towerMargins.bottom; const _timeParser = d => d3.utcParse("%Y-%m-%d %H:%M:%S")(d); const _yScale = d3 .scaleLinear() .domain([0, d3.max(stackData, d => d3.max(d, d => d[1]))]) .range([towerHeight + towerMargins.bottom, towerMargins.top]); const _xScale = d3 .scaleUtc() .domain([ _timeParser( d3.min(stackData.map(d => d.map(e => e.data))[1].map(d => d.validdate)) ), _timeParser( d3.max(stackData.map(d => d.map(e => e.data))[1].map(d => d.validdate)) ) ]) .range([towerMargins.left, towerMargins.left + towerWidth]); const _colourTable = tidy( stackData, transmute({ conditions: d => d.key }), innerJoin(colourScheme) ); const _colourScale = d3 .scaleOrdinal() .domain(_colourTable.map(d => d.conditions)) .range(_colourTable.map(d => d.colour)); let svg = d3.select("#stackChart"); if (svg.empty()) { svg = d3 .create("svg") .attr("id", "stackChart") //.attr("viewBox", [0, 0, plotWidth, plotHeight]) .attr("font-family", "sans-serif"); } svg .style("background-color", "#FFF") .style("height", plotHeight) .style("width", plotWidth); const xAxis = selectOrAppend("g", "xAxis", svg) .style("font-size", 10) .attr("transform", `translate(0, ${towerHeight + towerMargins.bottom})`) .call(d3.axisBottom(_xScale).tickFormat(d3.utcFormat("%H:%M %a %d %b"))) .select(".domain").remove() const symbols = selectOrAppend("g", "col", svg) .selectAll("g") .data(stackData) .join("g") .attr("fill", d => _colourScale(d.key)) .selectAll("rect") .data(d => d) .join("rect") .attr("width", colWidth) .attr("height", d => _yScale(d[0]) - _yScale(d[1])) .attr("x", (d, i) => _xScale(_timeParser(d.data.validdate)) - colWidth / 2) .attr("y", d => _yScale(d[1])) .attr("href", d => weatherSymbols[[d.img_code]]); //const text = selectOrAppend("g", "text", svg) //.selectAll("text") //.data( // towerDateTimes.map(d => Object.fromEntries(new Map([["validdate", d]]))) //) //.join("text") //.style("text-anchor", "middle") //.style("font-size", 18) //.style("fill", "#888") //.attr("x", (d, i) => _xScale(_timeParser(d.validdate))) //.attr("y", towerHeight + towerMargins.top + towerMargins.bottom / 1.5) //.text(d => d.validdate.substring(11, 13)); return svg.node(); }2f:Tbeb,towerChart = { const plotWidth = towerWidth + towerMargins.left + towerMargins.right; const plotHeight = towerHeight + towerMargins.top + towerMargins.bottom; const _xAccessor = d => d3.utcParse("%Y-%m-%d %H:%M:%S")(d.validdate); const _yScale = d3 .scaleBand() .domain(towerData.map(d => d.member)) .range([towerHeight + towerMargins.bottom, towerMargins.top]); const _xScale = d3 .scaleUtc() .domain([ d3.min(towerData, d => _xAccessor(d)), d3.max(towerData, d => _xAccessor(d)) ]) .range([towerMargins.left, plotWidth - towerMargins.right]); let svg = d3.select("#towerChart"); if (svg.empty()) { svg = d3.create("svg").attr("id", "towerChart"); } svg .style("background-color", "#FCFCFE") .style("height", plotHeight) .style("width", plotWidth); //.attr("font-family", "sans-serif"); const xAxis = selectOrAppend("g", "xAxis", svg) .style("font-size", 10) .attr("transform", `translate(0, ${towerHeight + towerMargins.top})`) .call(d3.axisBottom(_xScale).tickFormat(d3.utcFormat("%H:%M %a %d %b"))) .select(".domain").remove() const symbols = selectOrAppend("g", "symbol", svg) .selectAll("image") .data(towerData, d => d.id) .join("image") .attr("width", towerSymbolSize) .attr("height", towerSymbolSize) .attr("x", d => _xScale(_xAccessor(d)) - towerSymbolSize / 2) .attr("y", d => d.y) .attr("href", d => weatherSymbols[[d.img_code]]) .on("mouseover", (e, d) => highlight(e, d)) .on("mouseout", (e, d) => restore(e, d, true)); //const dateTimeText = selectOrAppend("g", "date-time-text", svg) //.selectAll("text") //.data( // towerDateTimes.map(d => Object.fromEntries(new Map([["validdate", d]]))) //) //.join("text") //.style("text-anchor", "middle") //.style("font-size", 18) //.style("fill", "#888") //.attr("x", d => _xScale(_xAccessor(d)) + towerSymbolSize / 2) //.attr("y", towerHeight + towerMargins.top + 18) //.text(d => d.validdate.substring(11, 13)); const frequencyText = selectOrAppend("g", "frequency-text", svg) .selectAll("text") .data(symbolFrequency) .join("text") .style("text-anchor", "middle") .style("font-size", 22) .attr("fill", d => d.frequency < numMembers / 3 ? "green" : d.frequency > (2 * numMembers) / 3 ? "red" : "orange" ) .attr("opacity", 0) .attr("x", d => _xScale(_xAccessor(d)) + towerSymbolSize / 2) .attr("y", (plotHeight - towerMargins.bottom / 4) | 0) .html(d => `${d.frequency}⁄${numMembers}`); const highlight = (e, d, restore) => { symbols .filter(s => s.img_code !== d.img_code) .transition() .duration(300) .attr("opacity", restore ? 1 : 0.2); frequencyText .filter(s => s.img_code === d.img_code) .transition() .duration(300) .attr("opacity", restore ? 0 : 1); }; const restore = (e, d, restore) => highlight(e, d, restore); return svg.node(); }30:T1cc6,sankeyChart = { let svg = d3.select("#sankeyChart"); if (svg.empty()) { svg = d3.create("svg").attr("id", "sankeyChart"); } svg .style("background-color", "none") .style("width", width) .style("height", 500); const { nodes, links } = sankey(sankeyData); const symbolNodes = nodes.filter(d => d.depth === 0); const timeNodes = nodes.filter(d => d.depth === 1); const xAxis = selectOrAppend("g", "xAxis", svg) .style("font-size", 9) .attr("transform", `translate(0, ${sankeyHeight + sankeyMargins.top})`) .call(d3.axisBottom(xAxisScale).tickFormat(d3.utcFormat("%H:%M %a %d %b"))) .select(".domain").remove() const node = selectOrAppend("g", "nodes", svg) .selectAll("rect") .data(nodes, d => d.name) .join( enter => enter .append("rect") .attr("x", d => d.y0) .attr("y", d => d.x0) .attr("width", d => d.y1 - d.y0) .attr("height", d => d.x1 - d.x0) .attr("fill", d => d.col) .attr("opacity", 0) .transition() .duration(1500) .attr("opacity", 0.9) .selection(), update => update .transition() .duration(1500) .attr("x", d => d.y0) .attr("y", d => d.x0) .attr("width", d => d.y1 - d.y0) .attr("height", d => d.x1 - d.x0) .attr("fill", d => d.col) .selection(), exit => exit .transition() .duration(1500) .attr("opacity", 0) .remove() .selection() ) .on("mouseover", (e, d) => highlight(e, d)) .on("mouseout", (e, d) => restore(e, d, true)); const link = selectOrAppend("g", "links", svg) .selectAll("path") .data(links) .join( enter => enter .append("path") .style("fill", "none") .attr("mix-blend-mode", "multiply") .attr("d", d => sankeyLinkVertical(d)) .attr("stroke", d => d.col) .attr("stroke-width", d => Math.max(1, d.width)) .attr("stroke-opacity", 0) .transition() .duration(sankeyTransitionTime) .attr("stroke-opacity", 0.4) .selection(), update => update .transition() .duration(sankeyTransitionTime) .attr("d", d => sankeyLinkVertical(d)) .attr("stroke", d => d.col) .attr("stroke-width", d => Math.max(1, d.width)) .selection(), exit => exit .transition() .duration(sankeyTransitionTime) .attr("stroke-opacity", 0) .remove() .selection() ); const symbol = selectOrAppend("g", "symbols", svg) .selectAll("image") .data(symbolNodes, d => d.name) .join( enter => enter .append("image") .attr("width", sankeySymbolSize) .attr("height", sankeySymbolSize) .attr("x", d => sankeySymbolSize < d.y1 - d.y0 ? d.y0 : d.y0 - sankeySymbolSize / 2 + (d.y1 - d.y0) / 2 ) .attr("y", d => d.x0 - (sankeySymbolSize + 3)) .attr("opacity", d => (sankeySymbolSize < d.y1 - d.y0 ? 1 : 0)) .attr("href", d => weatherSymbols[[d.name]]) .selection(), update => update .transition() .duration(sankeyTransitionTime) .attr("x", d => sankeySymbolSize < d.y1 - d.y0 ? d.y0 : d.y0 - sankeySymbolSize / 2 + (d.y1 - d.y0) / 2 ) .attr("y", d => d.x0 - (sankeySymbolSize + 3)) .attr("width", sankeySymbolSize) .attr("height", sankeySymbolSize) .selection(), exit => exit .transition() .duration(sankeyTransitionTime) .attr("opacity", 0) .remove() .selection() ); //const text = selectOrAppend("g", "text", svg) //.selectAll("text") //.style("font-size", 22) //.style("font-family", "sans-serif") //.attr("fill", "#888") //.data(timeNodes) //.join("text") //.attr("x", d => d.y0 + (d.y1 - d.y0) / 2) //.attr("y", d => d.x1 + 15) //.attr("text-anchor", "middle") //.text(d => d.name.substring(11, 13)); const highlight = (e, d, restore) => { const nodeData = tidy(nodes, select(["name", "x0", "x1", "y0", "y1"])); let probVals = linkedNodes(d) .map(n => n.sourceLinks) .filter(l => l.length > 0) .flatMap(l => l.filter(n => d.depth === 1 ? n.target.name === d.name : n.source.name === d.name ) ); probVals = tidy( probVals, mutate({ name: n => (d.depth === 1 ? n.source.name : n.target.name), symbol: n => n.source.name }), select(["name", "value", "symbol"]), innerJoin(nodeData) ); if (restore) { let probText = d3.selectAll(".probText"); probText = probText.remove(); } else { const probText = svg .append("g") .selectAll(".probText") .data(probVals) .join("text") .attr("class", "probText") .attr("x", dd => (d.depth === 0 ? dd.y0 + (dd.y1 - dd.y0) / 2 : dd.y0)) .attr("y", dd => d.depth === 0 ? dd.x1 + 35 : dd.x0 - (sankeySymbolSize + 5) ) .attr("text-anchor", dd => (d.depth === 0 ? "middle" : "start")) .attr("font-size", 17) .attr("fill", d => Math.round(d.value * numMembers) < numMembers / 3 ? "green" : Math.round(d.value * numMembers) > (2 * numMembers) / 3 ? "red" : "orange" ) .html( d => `${Math.round(d.value * 30).toString()}⁄${numMembers}` ); } link .filter(l => l.source !== d && l.target !== d) .transition() .duration(hoverTransitionTime) .attr("stroke-opacity", restore ? 0.4 : 0.025); link .filter(l => l.source === d || l.target === d) .transition() .duration(hoverTransitionTime) .attr("stroke-opacity", restore ? 0.4 : 0.9); node .transition() .duration(hoverTransitionTime) .attr("opacity", n => restore || linkedNodes(d).some(ln => n === ln) ? 0.9 : 0.3 ); //text //.transition() //.duration(hoverTransitionTime) //.attr("opacity", n => // restore || linkedNodes(d).some(ln => n === ln) ? 1 : 0.3 //) //.attr("font-size", n => // restore || linkedNodes(d).some(ln => n !== ln) ? 14 : 10 //); symbol .transition() .duration(hoverTransitionTime) .attr("opacity", n => restore ? sankeySymbolSize < n.y1 - n.y0 ? 1 : 0 : probVals.flatMap(d => d.symbol).includes(n.name) ? 1 : sankeySymbolSize < n.y1 - n.y0 ? 0.2 : 0 ); console.log(probVals.flatMap(d => d.symbol)); }; const restore = (e, d) => { highlight(e, d, true); }; const linkedNodes = n => { return Array.from( new Set( links .flatMap(d => d.source === n || d.target === n ? [d.source, d.target] : null ) .filter(d => d !== null) ) ); }; return svg.node(); }31:T462,stackData = { const filteredData = tidy( data.filter( d => d.name === location && d.validdate >= dateTimeStart && d.validdate <= dateTimeEnd ), innerJoin(tidy(colourScheme, rename({ symbol_code: "img_code" }))) ); const wideData = tidy( filteredData, groupBy(["validdate", "conditions"], [summarize({ freq: n() })]), pivotWider({ namesFrom: "conditions", valuesFrom: "freq", valuesFill: 0 }) ); const forecastedConditions = tidy( colourScheme, innerJoin(tidy(filteredData, select("conditions"), distinct("conditions"))), arrange(colStacking === "Dry from bottom" ? "order" : desc("order")) ); const stackKeys = forecastedConditions.map(d => d.conditions); return d3 .stack() .keys(stackKeys) .order( colStacking === "Frequency" ? d3.stackOrderDescending : colStacking === "Reverse frequency" ? d3.stackOrderAscending : colStacking === "Inside out" ? d3.stackOrderInsideOut : d3.stackOrderNone )(wideData) .map(d => (d.forEach(v => (v.conditions = d.key)), d)); }32:T6e3,sankeyData = { const probData = tidy( towerData, groupBy( ["validdate", "lead_time", "img_code"], [summarize({ count: n() })] ), groupBy(["lead_time"], [mutateWithSummary({ numMem: sum("count") })]), mutate({ prob: d => d.count / d.numMem }), select(["validdate", "lead_time", "img_code", "prob"]) ); const maxProbs = tidy( probData, groupBy("validdate", [mutateWithSummary({ maxProb: max("prob") })]), arrange(["validdate", desc("maxProb"), "img_code"]), filter(d => d.prob === d.maxProb), transmute({ name: d => d.validdate, symbol_code: d => d.img_code }), innerJoin(colourScheme), rename({ colour: "col" }), groupBy("name", [summarize({ col: first("col") })]) ); let colours = tidy( colourScheme, rename({ symbol_code: "name", colour: "col" }) ); let nodes = tidy( probData, rename({ img_code: "name" }), groupBy("name", [summarize({ freq: sum("prob") })]), innerJoin(colours), arrange( nodeOrder === "Dry to Wet" ? "order" : nodeOrder === "Wet to Dry" ? desc("order") : nodeOrder === "Most Frequent" ? desc("freq") : "freq" ) ); const targetNodes = tidy( probData, transmute({ name: d => d.validdate }), distinct("name"), innerJoin(maxProbs), arrange("name") ); nodes.push(...targetNodes); colours = tidy( colourScheme, rename({ symbol_code: "source", colour: "col" }) ); const links = tidy( probData, transmute({ source: d => d.img_code, target: d => d.validdate, value: d => d.prob }), innerJoin(colours), arrange(["target", desc("value")]) ); return { nodes, links }; }33:T79d,weatherSymbols = ({ "01d": await FileAttachment("01d.svg").url(), "02d": await FileAttachment("02d.svg").url(), "03d": await FileAttachment("03d.svg").url(), "04": await FileAttachment("04.svg").url(), "40d": await FileAttachment("40d.svg").url(), "05d": await FileAttachment("05d.svg").url(), "41d": await FileAttachment("41d.svg").url(), "24d": await FileAttachment("24d.svg").url(), "06d": await FileAttachment("06d.svg").url(), "25d": await FileAttachment("25d.svg").url(), "42d": await FileAttachment("42d.svg").url(), "07d": await FileAttachment("07d.svg").url(), "43d": await FileAttachment("43d.svg").url(), "26d": await FileAttachment("26d.svg").url(), "20d": await FileAttachment("20d.svg").url(), "27d": await FileAttachment("27d.svg").url(), "44d": await FileAttachment("44d.svg").url(), "08d": await FileAttachment("08d.svg").url(), "45d": await FileAttachment("45d.svg").url(), "28d": await FileAttachment("28d.svg").url(), "21d": await FileAttachment("21d.svg").url(), "29d": await FileAttachment("29d.svg").url(), "46": await FileAttachment("46.svg").url(), "09": await FileAttachment("09.svg").url(), "10": await FileAttachment("10.svg").url(), "30": await FileAttachment("30.svg").url(), "22": await FileAttachment("22.svg").url(), "11": await FileAttachment("11.svg").url(), "47": await FileAttachment("47.svg").url(), "12": await FileAttachment("12.svg").url(), "48": await FileAttachment("48.svg").url(), "31": await FileAttachment("31.svg").url(), "23": await FileAttachment("23.svg").url(), "32": await FileAttachment("32.svg").url(), "49": await FileAttachment("49.svg").url(), "13": await FileAttachment("13.svg").url(), "50": await FileAttachment("50.svg").url(), "33": await FileAttachment("33.svg").url(), "14": await FileAttachment("14.svg").url(), "34": await FileAttachment("34.svg").url(), "15": await FileAttachment("15.svg").url() 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weather type in ensembles","cells":[{"id":0,"value":"md`# Visualizing weather type in ensembles`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":8,"value":"md`When presenting ensemble forecasts, it is common to show ther distributions of weather parameters such as tempertature, wind speed and precipitation in some form or other. However, weather symbols for forecasts are often chosen by which is the most likely based on the ensemble. This gives the user no information about what the other side of the coin, or other faces of the dice are. In this notebook, a number of ways of showing the distribution of weather symbols in a forecast are explored.`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":122,"value":"viewof location = selectDropDown({\n title: \"Location\",\n options: locations,\n value: \"OSLO-BLINDERN\"\n})","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":75,"value":"md`# Visualizations with a time component`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":397,"value":"md`## Stacked columns`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":400,"value":"md`The stacked column visualization shows the proportion of each weather symbol based on the full height of the chart. The order of the weather condtions can be chosen as wet to dry, dry to wet, frequency based on the total amount in the period with the most common either at the top, bottom or in the middle.`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":493,"value":"$2d","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":383,"value":"viewof colStacking = selectDropDown({\n title: \"Stacking Order\",\n options: [\n \"Dry from bottom\",\n \"Wet from bottom\",\n \"Frequency\",\n \"Reverse frequency\",\n \"Inside out\"\n ],\n value: \"Frequency\"\n})","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":406,"value":"$2e","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":127,"value":"md`## Symbol Matrix`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":128,"value":"md`The symbol matrix stacks weather symbols on top of each other for each forecast time. In this example they can be stacked from dry to wet, wet to dry, in order of the ensemble member number or in order of frequency of each symbol at each time.`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":148,"value":"viewof matrixStacking = selectDropDown({\n title: \"Stacking order\",\n options: [\n \"Member Number\",\n \"Dry from bottom\",\n \"Wet from bottom\",\n \"Frequency\",\n \"Reverse frequency\"\n ],\n value: \"Member Number\"\n})","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":169,"value":"$2f","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":570,"value":"md`## Weather Sankey`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":573,"value":"md`Sankey diagrams are designed to visulaize the volume of flow from one entity to the next. This could, for example, be the flow of money between different branches of an industry, or the flow of electricity from different prudction sources into the grid and to different user sectors. We can use this idea to consider the \"flow\" of a weather symbol from different ensemble members to different times in the weather forecast.`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":577,"value":"viewof nodeOrder = selectDropDown({\n title: \"Order By\",\n options: [\"Dry to Wet\", \"Wet to Dry\", \"Most Frequent\", \"Least Frequent\"]\n})","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":642,"value":"$30","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":1198,"value":"## Heat Map","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","output":"","database":"$undefined"},{"id":1201,"value":"See [here](https://observablehq.com/@andrew-met/weather-symbol-heat-map)","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","output":"","database":"$undefined"},{"id":1211,"value":"## Visualization for single point in time\n","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","output":"","database":"$undefined"},{"id":1222,"value":"viewof dateTime = Inputs.select(dateTimes.map(d => d3.utcFormat(\"%H:%M %a %d %b\")(d3.utcParse(\"%Y-%m-%d %H:%M:%S\")(d))), {label: \"Time\"})","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":1227,"value":"viewof animateChoice = Inputs.radio([\"On\", \"Off\"], {label: \"Animation\", value: \"Off\"})","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":1230,"value":"viewof sortChoice = Inputs.radio(new Map([[\"Most to Least Likely\", 2], [\"Least to Most Likely\", 3], [\"Dry to Wet\", 0], [\"Wet to Dry\", 1]]), {value: 2, label: \"Sorting Order\"})","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":1233,"value":"barChart = {\n let svg = d3.select(\"#barChart\");\n\n const h = 300;\n const w = 900;\n\n if (svg.empty()) {\n svg = d3.create(\"svg\").attr(\"id\", \"barChart\");\n }\n\n svg.style(\"background-color\", \"#FEFEFC\").attr(\"viewBox\", [0, 0, w, h]);\n\n new weatherSymbolBars(svg)\n .sort(sortChoice)\n .barWidth(20)\n .barPadding(2)\n .size(w, h)\n .margins(40, 14, 0, 0)\n .symbols(weatherSymbols)\n .symbolSize(20)\n .fontSize(9)\n .transitionDuration(animFrameTime / 3)\n .symbolKeyData(\"img_code\")\n .render(barData);\n\n return svg.node();\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":1239,"value":"viewof animFrameTime = Inputs.range([100, 2000], {step: 100, value: 750, label: \"Frame time [ms]\"})","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":18,"value":"md`# Appendix`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":19,"value":"md`## Data`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":22,"value":"data = await FileAttachment(\"meps_forecast_2021040700.json\").json()","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":82,"value":"locations = tidy(data, select(\"name\"), distinct(\"name\"), arrange(\"name\"), map((d) => d.name))","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":91,"value":"dateTimeStart = \"2021-04-07 01:00:00\"","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":115,"value":"dateTimeEnd = \"2021-04-08 00:00:00\"","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":84,"value":"dateTimes = tidy(\n data, \n select(\"validdate\"), \n distinct(\"validdate\"), \n arrange(\"validdate\"),\n map(d => d.validdate)\n)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":88,"value":"endDateTimes = dateTimes.filter(d => d > dateTimeStart)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":165,"value":"numMembers = tidy(data, select(\"member\"), distinct(\"member\"), map(d => d.member)).length","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":131,"value":"towerData = tidy(\n data.filter(\n d =>\n d.name === location &&\n d.validdate >= dateTimeStart &&\n d.validdate <= dateTimeEnd\n ),\n mutate({\n id: d => d.lead_time + \"_\" + d.member\n }),\n innerJoin(tidy(colourScheme, rename({ symbol_code: \"img_code\" }))),\n groupBy([\"validdate\", \"img_code\"], [mutateWithSummary({ sym_freq: n() })]),\n arrange([\n \"validdate\",\n matrixStacking === \"Member Number\"\n ? \"member\"\n : matrixStacking === \"Dry from bottom\"\n ? desc(\"order\")\n : matrixStacking === \"Wet from bottom\"\n ? \"order\"\n : matrixStacking === \"Frequency\"\n ? \"sym_freq\"\n : desc(\"sym_freq\")\n ]),\n groupBy(\"validdate\", [\n mutateWithSummary({\n yScale: d =>\n d3\n .scaleBand()\n .domain(d.map(e => e.member))\n .range([towerMargins.top, towerHeight + towerMargins.top])\n })\n ]),\n mutate({ y: d => d.yScale(d.member) })\n)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":1279,"value":"selectedDateTime = animateChoice === \"On\" ? dateTimeAnimation : dateTime\n","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":1280,"value":"dateTimeAnimation = {\n animateChoice;\n location;\n let i = 0;\n while (true) {\n let delay = animFrameTime;\n i === 0 ? (delay = animFrameTime * 2.5) : null;\n yield Promises.delay(delay, d3.utcFormat(\"%H:%M %a %d %b\")(d3.utcParse(\"%Y-%m-%d %H:%M:%S\")(dateTimes[i])));\n i === dateTimes.length - 1 ? (i = 0) : i++;\n }\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":1312,"value":"barData = data.filter(\n d => d.name === location && d3.utcFormat(\"%H:%M %a %d %b\")(d3.utcParse(\"%Y-%m-%d %H:%M:%S\")(d.validdate)) === selectedDateTime\n)","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":843,"value":"symbolFrequency = tidy(\n towerData,\n groupBy([\"validdate\", \"img_code\"], [summarize({ frequency: n() })])\n)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":346,"value":"$31","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":580,"value":"$32","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":25,"value":"colourScheme = await FileAttachment(\"symbolColours.json\").json()","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":33,"value":"$33","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":64,"value":"md`## Helper functions`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":65,"value":"selectOrAppend = (elementType, className, parent) => {\n const selection = parent.select(\".\" + className);\n if (!selection.empty()) return selection;\n return parent.append(elementType).attr(\"class\", className);\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":68,"value":"timeParse = d3.timeParse(\"%Y-%m-%d %H:%M:%S\")\n","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":634,"value":"sankey = {\n const sankey = d3\n .sankey()\n .nodeId(d => d.name)\n .nodeAlign(d3.sankeyLeft)\n .nodeWidth(sankeyNodeHeight)\n .nodePadding(5)\n .nodeSort(null)\n .linkSort(null)\n .extent([\n [sankeyMargins.top, sankeyMargins.left],\n [sankeyHeight + sankeyMargins.top, sankeyWidth - sankeyMargins.right]\n ]);\n return ({ nodes, links }) =>\n sankey({\n nodes: nodes.map(d => Object.assign({}, d)),\n links: links.map(d => Object.assign({}, d))\n });\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":1078,"value":"xAxisScale = d3.scaleUtc()\n .range([timeNodeWidth / 2 + sankeyMargins.left, sankeyWidth - timeNodeWidth / 2 - sankeyMargins.right])\n .domain(d3.extent(towerDateTimes, d => d3.utcParse(\"%Y-%m-%d %H:%M:%S\")(d)))","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":1111,"value":"","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":1079,"value":"timeNodeWidth = {\n const dat = sankey(sankeyData).nodes.filter(d => d.depth === 1)[0]\n return dat.y1 - dat.y0\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":1060,"value":"sankey(sankeyData)","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":639,"value":"sankeyLinkVertical = {\n return d3\n .linkVertical()\n .source(verticalSource)\n .target(verticalTarget);\n\n function verticalSource(d) {\n return [d.y0, d.source.x1];\n }\n\n function verticalTarget(d) {\n return [d.y1, d.target.x0];\n }\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":173,"value":"md`## Plot dimensions`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":184,"value":"towerDateTimes = dateTimes.filter(d => d >= dateTimeStart && d <= dateTimeEnd)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":177,"value":"towerSymbolSize = Math.min(\n towerWidth / towerDateTimes.length - 2 * towerSymbolMarginRatio,\n towerHeight / numMembers - 2 * towerSymbolMarginRatio\n) | 0","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":240,"value":"towerSymbolMarginRatio = 0.2","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":785,"value":"towerSymbolMargin = ((towerSymbolMarginRatio * towerSymbolSize) / 2) | 0","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":182,"value":"towerWidth = width - towerMargins.left - towerMargins.right","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":189,"value":"towerHeight = 500 //(height - towerMargins.top - towerMargins.bottom) | 0","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":1326,"value":"","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":193,"value":"towerMargins = ({\n top: 40,\n bottom: 60,\n left: 40,\n right: 40\n})","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":592,"value":"sankeyHeight = Math.min(height, width * 0.5) -\n sankeyMargins.top -\n sankeyMargins.bottom","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":594,"value":"sankeyWidth = width - sankeyMargins.left - sankeyMargins.right","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":596,"value":"sankeyMargins = ({\n top: 75,\n bottom: 75,\n left: 40,\n right: 80\n})","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":661,"value":"sankeySymbolSize = (sankeyWidth / 32) | 0","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":747,"value":"sankeyNodeHeight = 17","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":673,"value":"sankeyTransitionTime = 1500","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":689,"value":"hoverTransitionTime = 300","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":468,"value":"colWidth = (towerWidth / towerDateTimes.length - 2 * towerSymbolMarginRatio) | 0","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":34,"value":"md`## Imports\n`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":1216,"value":"import {weatherSymbolBars} from \"@andrew-met/weather-symbol-bars\"","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":37,"value":"import { select as selectDropDown} from \"@jashkenas/inputs\"","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":44,"value":"import {\n tidy,\n pivotLonger,\n pivotWider,\n groupBy,\n innerJoin,\n mutate,\n transmute,\n mutateWithSummary,\n filter,\n first,\n select,\n rename,\n everything,\n arrange,\n desc,\n distinct,\n map,\n summarize,\n n,\n sum,\n max,\n mean,\n total\n} from '@pbeshai/tidyjs'","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":754,"value":"import { height } from \"@fil/height\"","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":756,"value":"height","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":763,"value":"width","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":45,"value":"md`## Libraries`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":52,"value":"d3 = require(\"d3@^6.1\", \"d3-sankey@0.12\")","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":720,"value":"md`# Acknowledgments`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":723,"value":"md`__Weather Symbols__ are taken from [yr.no](https://yr.no/en), a joint service by the Norwegian Meteorological Institute and the Norwegian Broadcasting Corporation, via [Github](https://github.com/nrkno/yr-weather-symbols). `","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":731,"value":"md`The __Weather Sankey__ is inspired by [a notebook](https://observablehq.com/@analyzer2004/sunny-day-rainy-day-in-seattle) by [Eric Lo](https://observablehq.com/@analyzer2004) and uses a modified version of that code.`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"}],"files":"$W34","stdlib":"1","titling":"auto"}} 2c:"$2b:body"