43:["$","title",null,{"children":"Mpls2040 Lawn Sign Interactive Data | Ryan | Observable"}] 4b:Tab6,bigmap = doCanvasMap({ width: initwidth, height: initheight, fakeWidth: 960, fakeHeight: 1100, backgroundColor: "#F2EFEA", initialScale: initscale, init: (context) => { const valuesHighlighted = [ 0, 100000, 300000, 500000, 700000, 1000000, 3000000, 5000000, ]; let blockValueColor = d3.scaleThreshold() .domain(valuesHighlighted) .range(d3.schemeBlues[8]); let blockValueX = d3.scaleLinear() .domain(valuesHighlighted) .rangeRound([450, 470, 490, 500, 650]); function getBlockValueColor (x) { if (x > 0) { return blockValueColor(x); } else { return "#FFF"; } } context.getBlockValueColor = getBlockValueColor; let mansionColor = d3.scaleSequential(d3.interpolatePurples) .domain([0, 19]); function getMansionZoneColor (xx) { if (xx > 0) { return mansionColor(xx); } else { return "#FFFFFF"; } } context.getMansionZoneColor = getMansionZoneColor; context.translate(0, 10); }, render: (context) => { // header context.fillStyle = '#000'; context.font = "32px Roboto Condensed, sans-serif"; context.textAlign = 'right'; context.fillText("Anti-#Mpls2040 signs & SFH values", context.opts.fakeWidth - 20 , 26); context.font = "24px Roboto Condensed, sans-serif"; context.fillText("observablehq.com/@rtxanson", context.opts.fakeWidth - 20, 54); context.drawImage(scale_img, 388, 25); // block fills if (value_display === 'avg') { var key = 'sfh_avg_val'; } else if (value_display === 'max') { var key = 'sfh_max_val'; } // city outline context.beginPath(), context.path(cityfeatures), context.fillStyle = "#FEFEFE", context.strokeStyle = "#55F", context.lineWidth = 1, context.stroke(), context.fill(); context.beginPath(); context.strokeStyle = "#EEE"; context.lineWidth = 1; blocks_topo_features.forEach((d) => { context.fillStyle = context.getBlockValueColor(d.properties[key]); context.beginPath(); context.path(d); context.fill(); context.stroke(); }); // sign points // context.path.pointRadius(2); // context.beginPath(), context.path(signpoint_features), context.fillStyle = "red", context.strokeStyle = "black", context.lineWidth = 1.5, context.stroke(), context.fill(); context.path.pointRadius(2); signpoints_ffeatures.forEach((d) => { context.beginPath(), context.path(d), context.fillStyle = "red", context.strokeStyle = "black", context.lineWidth = 1, context.stroke(), context.fill(); }); return context; } })4c:T604,quick_facts = md`## Property facts Some things we can observe by analyzing the property records connected to these signs: * **${property_count}** property records found for **${sign_count}** signs. The one remaining appears to have no record with the city assessor. * **${homesteaded_perc}** are homesteaded, a status which provides a property tax reduction. * **${sfh_count_perc}** are single family homes. * The **Lynnhurst** neighborhood has the most signs of the whole city: **87 signs** at (26%). * **Ward 13** has the most: **164** signs, **49.8%** of the whole. * Average property value: **$${cleanmoney(val_stats.avg)}**. * Max property value: **$${cleanmoney(val_stats.max)}**. * Min property value: **$${cleanmoney(val_stats.min)}**. * **${val_stats.mils} properties** are worth over $1 million. * **${val_stats.halfmils} properties** are worth over $400,000 **(${Math.round(val_stats.halfmils / property_count * 100)}%)**. The only wards with average SFH values above this limit are: 10, 13, and 7. * Average year built: **${val_stats.avgYearBuilt}** (min: ${val_stats.minYearBuilt}, max: ${val_stats.maxYearBuilt}). * **58%** of the properties are **2-2.5 stories tall**. A lot of concern has focused on the height of potential 2-2.5 story fourplexes. * Most fireplaces: **7**, the average property has one fireplace. * 1 property on the Vacant Building Registration. * 1 sign on a vacant property that turned out to be a recent teardown, and possibly due to a soil pollution and/or erosion issue (judging by 311 records). `4d:T428,ward_sign_count_table = { let dd = _.sortBy(table_data, (g) => g.sign_count).reverse(); // var ddd = _.map(dd, (g) => { g.diff = g.avg_signed_property_val ? g.avg_signed_property_val - g.avg_sfh_val : 0 ; return g ;}); return table(dd, { sortable: true, columns: { avg_signed_property_val: { title: "Average signed 🏡 value", formatter: (val) => { return html`${val.toFixed(2).replace(/\d(?=(\d{3})+\.)/g, '$&,')}`; } }, avg_sfh_val: { title: "Average ward 🏡 value", formatter: (val) => { return html`${val.toFixed(2).replace(/\d(?=(\d{3})+\.)/g, '$&,')}`; } }, diff: { title: "Difference", formatter: (val) => { if (val !== 0) { var cc = val > 0 ? 'green' : 'red'; } else { var cc = ''; } return html`${val.toFixed(2).replace(/\d(?=(\d{3})+\.)/g, '$&,')}`; } }, } }) }4e:T693,val_stats = { // unique by PID let clean = (gg) => parseInt( gg.replace(/[,\$]/g, '') ); let year_built = _.map(proprecs, (g) => parseInt( g.assessor.YEARBUILT )); let pids = _.uniq(_.map(proprecs, (b) => b.assessor.APN)).length; let homesteaded = _.uniq( _.map( _.filter(proprecs, (h) => h.assessor.HOMESTEAD === 'Homesteaded') , (b) => [b.assessor.APN, b.assessor.HOMESTEAD] ) , (f) => f[0] ).length; let vvals = _.uniq( _.map( _.filter(proprecs, (h) => h.assessor.TOTALVALUE) , (b) => [b.assessor.APN, b.assessor.TOTALVALUE] ) , (f) => f[0] ); let vals = _.map(vvals, (v) => +v[1]); let sfh_count = _.uniq( _.map( _.filter(proprecs, (h) => h.assessor.BUILDINGUSE === 'Single Fam. Dwlg.') , (b) => [b.assessor.APN, b.assessor.BUILDINGUSE] ) , (f) => f[0] ).length; return { vals: vals, property_count: pids, homesteaded: homesteaded, sfh_count: sfh_count, max: d3.max(vals), min: d3.min(vals), avg: Math.round( d3.sum(vals) / vals.length), mils: _.filter(vals, (g) => g > 999999).length, halfmils: _.filter(vals, (g) => g > 399999).length, count: vals.length, avgYearBuilt: Math.round( d3.sum(year_built) / year_built.length ), maxYearBuilt: d3.max(year_built), minYearBuilt: d3.min(year_built), } }4f:T52c,doScale = (color, x, title_text) => { const svg = d3.select(DOM.svg(600, 100)); var g = svg.append("g") .attr("class", "key") .attr("transform", "translate(-400,40)"); g.selectAll("rect") .data(color.range().map(function(d) { d = color.invertExtent(d); if (d[0] == null) d[0] = x.domain()[0]; if (d[1] == null) d[1] = x.domain()[1]; return d; })) .enter().append("rect") .attr("height", 8) .attr("x", function(d) { return x(d[0]); }) .attr("width", function(d) { return x(d[1]) - x(d[0]); }) .attr("fill", function(d) { return color(d[0]); }); g.append("text") .attr("class", "caption") .attr("x", x.range()[0]) .attr("y", -6) .attr("fill", "#000") .attr("text-anchor", "start") .attr("font-weight", "bold") .text(title_text); g.call( d3.axisBottom(x) .tickSize(13) .tickValues(color.domain()) .tickFormat(nicemoney) .tickPadding(1) ) .selectAll("text") .attr("y", 15) .attr("x", 12) .attr("dy", ".35em") .attr("transform", "rotate(45)") .style("text-anchor", "start") .select(".domain") .remove(); return svg.node(); }50:T69a,doCanvasMap = function (opts) { let d3 = d3canv; const canvas = DOM.canvas(opts.width, opts.height); var context = canvas.getContext('2d'); var c_projection = d3.geoIdentity().scale(1.5); context.projection = c_projection; context.path = d3.geoPath(context.projection, context); context.opts = opts; opts.init(context); // misc global settings before user-defined rendering. function localrender(ctx) { d3.select(canvas).attr( 'style', 'padding: 0 0 0 0; background-color: ' + opts.backgroundColor || "white" ); if (opts.title) { ctx.font = opts.title.font || "48px serif"; ctx.fillText(opts.title.text, opts.title.x || 0, opts.title.y || 0); } opts.render(ctx); } function zoomable(sel) { const context = sel.node().getContext('2d'); const zoomBehaviour = d3.zoom().on('zoom', zoomabled); sel.call(zoomBehaviour); function zoomabled() { const t = d3.event.transform; context.save(); context.clearRect(-20,-20,canvas.width * 2,canvas.height * 2); context.translate(t.x, t.y); context.scale(t.k, t.k); localrender(context); context.restore(); } } function clickable(sel) { // const context = sel.node().getContext('2d'); function defaultClick() { d3.select(canvas).call(zoomable); console.log("click"); console.log(d3.select(this)); console.log(d3.event); } const zoomBehaviour = sel.on('click', defaultClick); } context.scale(opts.initialScale, opts.initialScale); d3.select(canvas).call(clickable); context = localrender(context); return canvas; }51:[] 47:{"id":"2b6e31694d1d7552","slug":"mpls2040-lawn-sign-interactive-data","title":"Mpls2040 Lawn Sign Interactive Data","thumbnail":"491b32ec0b570f6547fe0849bbf53634ac1f20b0feb9816c598a57259d6de59e","access_level":"public","create_time":"$D2018-09-17T22:16:12.069Z","update_time":"$D2018-10-07T19:06:42.873Z","view_time":null,"first_public_time":"$D2018-10-07T19:05:22.238Z","has_unpublished_edits":null,"fork":false,"stars":1,"starred":false,"owner":{"type":"team","id":"300a5f6e8ec670b2","login":"rtxanson","name":"Ryan","avatar_url":"https://avatars-next.observableusercontent.com/31dfeee1a0a3f091fa77125a08cb160657dd323cf331488ff174a25706efd2bd","tier":"starter_2024","bio":"","followed_by_you":false,"follows_you":false},"version":1012,"publish_version":1012,"role":null,"authored":false,"authors":[{"type":"individual","id":"d54c7e46018f2e02","login":"rtxanson","name":"Ryan","avatar_url":"https://avatars-next.observableusercontent.com/31dfeee1a0a3f091fa77125a08cb160657dd323cf331488ff174a25706efd2bd","tier":null,"bio":"","followed_by_you":false,"follows_you":false}],"members":[{"type":"individual","id":"d54c7e46018f2e02","login":"rtxanson","name":"Ryan","avatar_url":"https://avatars-next.observableusercontent.com/31dfeee1a0a3f091fa77125a08cb160657dd323cf331488ff174a25706efd2bd","tier":null,"role":"editor"}],"comments":[],"custom_thumbnail":false,"trashed":false,"lapsed":null,"subscribed":null,"forks":3,"collection":null,"type":"notebook","body":{"titling":"auto","title":"Mpls2040 Lawn Sign Interactive Data","cells":[{"id":0,"value":"md`# Mpls2040 Lawn Sign Interactive Data`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":313,"value":"md`Here's the zoomable map of the anti-Mpls2040 signs, along with the average single family home values by census block. Scroll below for some tables counting the data by various points of interest.`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":732,"value":"md`Did the sign collectors miss a sign? [Submit it here](https://airtable.com/shrMcM0BnodlwsHyh).\n
_{Last updated: 10/7/2018}\n

`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":663,"value":"viewof embiggenizer = radio({\n options: [\n { label: 'Small map', value: \".5-.35\" },\n { label: 'Big map', value: \"0-0\" },\n ],\n value: \".5-.35\"\n})","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":781,"value":"md`_Click the map to enable zooming_`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":2,"value":"$4b","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":798,"value":"viewof value_display = radio({\n options: [\n { label: 'Avg Block SFH Value', value: \"avg\" },\n { label: 'Max Block SFH Value', value: \"max\" },\n ],\n value: \"avg\"\n})","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":581,"value":"$4c","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":4,"value":"md`\n## Some supporting data\n
\n### Sign count by ward`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":6,"value":"$4d","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":754,"value":"md`The only ward where the average value of signed single family homes is less than the average single family home value of that ward is ward 12.

`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":304,"value":"md`## Sign count by assessor records`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":250,"value":"viewof user_sel_val = radio({\n title: \"Pick a view for the following chart\",\n options: [\n { label: 'By land use ', value: 'LANDUSE' },\n { label: 'By homesteaded status', value: 'HOMESTEAD' },\n { label: 'By tax status', value: 'TAX_EXEMPT' },\n { label: 'By property type', value: 'PROPERTY_TYPE' },\n { label: 'By neighborhood ', value: 'NEIGHBORHOOD' },\n { label: 'By Zoning', value: 'ZONING' },\n { label: 'By building use', value: 'BUILDINGUSE' },\n { label: 'By total units ', value: 'TOTAL_UNITS' },\n { label: 'By # bathrooms ', value: 'BATHROOMS' },\n { label: 'By # stories', value: 'NUM_STORIES' },\n { label: 'By # fireplaces', value: 'FIREPLACES' },\n ],\n value: 'LANDUSE'\n})","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":259,"value":"other_facts_table = table(user_table_data, {\n sortable: true,\n columns: {\n SIGN_COUNT: {\n },\n percent: {\n formatter: d3.format('.1%'),\n }\n }\n})","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":338,"value":"md`### By year built`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":320,"value":"signs_by_year = (() => { \n return vegalite(\n {\n \"$schema\": \"https://vega.github.io/schema/vega-lite/v2.json\",\n \"data\": {\"values\": user_chart_data},\n \"mark\": {\n \"type\": \"bar\",\n \"binSpacing\": 3,\n },\n \"width\": 600,\n \"height\": 350,\n \"encoding\": {\n \"x\": {\n \"bin\": {\n \"step\": 10,\n }, \n \"field\": 'YEARBUILT',\n \"type\": \"quantitative\",\n \"title\": 'Year built',\n \"axis\": {\n \"format\": \"2f\",\n },\n },\n \"y\": {\n \"field\": \"sign_count\",\n \"title\": \"sign count\",\n \"type\": \"quantitative\"\n }\n }\n })\n})()\n","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":725,"value":"md`

\n### Data appendix`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":161,"value":"w_val_pairs = _.map( _.uniq( \n _.map(proprecs, (g) => [g.assessor.WARD + '-' + g.assessor.APN, +g.assessor.TOTALVALUE])\n , false\n , (g) => g[0]\n )\n , (g) => [g[0].split('-')[0], g[1]]\n )","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":144,"value":"value_pairs = _.mapObject( _.groupBy( w_val_pairs\n , (a) => a[0]\n )\n , (val, key) => d3.sum( _.map( val, (v) => v[1] ) ) / val.length\n ) ","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":237,"value":"signs_by_property_zoning_type = countSignsByAssessorField(\"ZONING\")","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":219,"value":"signs_by_building_use = countSignsByAssessorField(\"BUILDINGUSE\")","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":246,"value":"countSignsByAssessorField = (field) => {\n \n // NB: duplicate pids mean multiple structures, and it's not super erroneous. duplicates worth noting\n\n let uniquses = _.uniq( _.map(proprecs, (g) => [g.assessor.APN, g.assessor[field] || \"N/A\"])\n , false\n , (g) => g[0]\n );\n \n let data = _.map( uniquses\n , (u) => u[1]\n );\n \n return _.values( _.mapObject( _.countBy(data)\n , (val, key) => {\n let fobj = {}; fobj[field] = key; fobj.sign_count = val; fobj.percent = (val / uniquses.length)\n return fobj;\n }\n )\n );\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":285,"value":"user_table_data = _.sortBy( countSignsByAssessorField(user_sel_val), (g) => g.sign_count ).reverse()","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":393,"value":"user_chart_data = _.sortBy( countSignsByAssessorField('YEARBUILT'), (g) => g.sign_count ).reverse()","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":282,"value":"field_types = _.keys( _.first(proprecs).assessor)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":30,"value":"table_data = {\n \n // NB: duplicate pids mean multiple structures, and it's not super erroneous. duplicates worth noting\n \n // Sign counts :: [{ward: count}]\n let ccounts = _.uniq( _.map( proprecs, (b) => [b.assessor.APN, b.assessor.WARD] \n )\n , (f) => f[0]\n );\n \n let counts = _.countBy(ccounts, (f) => f[1]);\n \n\n let objs = _.values( _.mapObject(counts, (g, v) => {return {ward: v, count: g}}) );\n \n // Average property values of signed properties by ward\n // d.assessor.WARD, d.assessor.TOTALVALUE\n \n let wards = d3.range(1,14) ;\n \n let data = _.map(wards, (w) => {\n return {\n ward: w,\n sign_count: counts[w] || 0,\n avg_signed_property_val: value_pairs[w] || 0,\n avg_sfh_val: sfh_avg_vals[w] || 0,\n }\n })\n \n return data;\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":32,"value":"$4e","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":543,"value":"sfh_avg_vals = { \n return {\"1\":234422.65634450223,\"2\":288182.9901866461,\"3\":275786.2619808307,\"4\":149950.0322432059,\"5\":143067.4319273892,\"6\":293620.76583210606,\"7\":732301.1173184358,\"8\":278151.6406049731,\"9\":214587.65938069217,\"10\":413281.59031979257,\"11\":343038.53158247867,\"12\":259440.1283857836,\"13\":506203.8911907764}; \n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":440,"value":"sfh_avg_value = {\n if (typeof sfhs === 'undefined') return;\n \n var count_ward_vals = {};\n let vals = _.map(_.filter( sfhs, (b) => b.TOTALVALUE), (g) => { \n \n if (typeof count_ward_vals[g.WARD] === 'undefined') {\n count_ward_vals[g.WARD] = {\n sum: 0,\n n: 0,\n };\n }\n count_ward_vals[g.WARD].sum += +g.TOTALVALUE;\n count_ward_vals[g.WARD].n += 1;\n \n return +g.TOTALVALUE \n } );\n \n return _.mapObject(count_ward_vals, (o, k) => o.avg = o.sum/o.n) ;\n \n\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":449,"value":"sfhs = undefined // (await d3.json(getURL(\"sfhs.json\")))","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":603,"value":"sign_count = signpoints_topo.objects.signpoints.geometries.length","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":610,"value":"property_count = val_stats.property_count","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":623,"value":"homesteaded_perc = d3.format('.1%')((val_stats.homesteaded / property_count))","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":633,"value":"sfh_count_perc = d3.format('.1%')( (val_stats.sfh_count / property_count) )","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":695,"value":"initwidth = 960 / (1 + parseFloat( embiggenizer.split('-')[0]) )","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":698,"value":"initheight = 1110 / (1 + parseFloat( embiggenizer.split('-')[0]) )","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":701,"value":"initscale = 1 - parseFloat( embiggenizer.split('-')[1] )","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":22,"value":"blocks_topo_features = topojson.feature(blocks_topo, blocks_topo.objects.blocks).features","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":861,"value":"signpoints_ffeatures = topojson.feature(signpoints_topo, signpoints_topo.objects.signpoints).features","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":26,"value":"signpoint_features = {\n let points = _.map(signpoints_topo.objects.signpoints.geometries, (g) => g.coordinates);\n return { \n type: \"MultiPoint\", \n coordinates: points,\n }; \n}\n","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":55,"value":"value_scale_displ = [\n 0,\n 100000, \n 300000, \n 500000,\n 700000,\n 1000000, \n 3000000,\n 5000000,\n // 11900000\n ]","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":59,"value":"nicemoney = (g) => { \n if (g === 0) {\n return '0';\n } else if ( g < 999999) {\n return g/1000 + 'k';\n } else if ( g > 999999 ) {\n return g/1000000 + 'm';\n } else {\n return g;\n }\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":585,"value":"cleanmoney = (x) => x.toFixed(2).replace(/\\d(?=(\\d{3})+\\.)/g, '$&,')","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":67,"value":"blocksmesh = topojson.mesh(blocks_topo, blocks_topo.objects.blocks, (a, b) => { return a.properties.OBJECTID !== b.properties.OBJECTID })","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":61,"value":"$4f","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":57,"value":"scale_img = canvasLegend( doScale(blockValueColor, blockValueX, \"Single Family Home Values (100k)\")) ","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":65,"value":"blockValueColor = d3.scaleThreshold()\n .domain(value_scale_displ)\n .range(d3.schemeBlues[8])","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":63,"value":"blockValueX = d3.scaleLinear()\n .domain(value_scale_displ)\n .rangeRound([450, 460])","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":53,"value":"cityfeatures = topojson.feature(city_topo, city_topo.objects.city)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":51,"value":"projection = d3.geoMercator()","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":78,"value":"canvasLegend = (scale) => {\n const canvas = DOM.canvas();\n \n var context = canvas.getContext('2d');\n var svgString = new XMLSerializer().serializeToString(scale);\n\n var ctx = context;\n var DOMURL = self.URL || self.webkitURL || self;\n \n var img = new Image();\n var svg = new Blob([svgString], {type: \"image/svg+xml;charset=utf-8\"});\n \n var url = DOMURL.createObjectURL(svg);\n \n img.onload = function() {\n ctx.drawImage(img, 0, 0);\n var png = canvas.toDataURL(\"image/png\");\n document.querySelector('#png-container').innerHTML = '

';\n DOMURL.revokeObjectURL(png);\n };\n \n img.src = url;\n \n return img;\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":117,"value":"md`#### the datas`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":37,"value":"proprecs = (await d3.json(getURL(\"props.json\")))","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":28,"value":"signpoints_topo = (await d3.json(getURL('signpoints.topo.json')))","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":12,"value":"city_topo = (await d3.json(getURL('city.topo.json')))","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":14,"value":"blocks_topo = (await d3.json(getURL('blocks.topo.json')))","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":999,"value":"getURL('blocks.topo.json')","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":114,"value":"md`#### data source`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":112,"value":"getURL = (g) => {\n return `https://gist.githubusercontent.com/rtxanson/4060d2a1ceeb935f96eb913132a6399f/raw/${commit}/${g}`\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":16,"value":"commit = \"7ebad29c6b29efd8df012be0120a14800561734b\"","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":119,"value":"md`#### deps`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":18,"value":"import {table} from \"@tmcw/tables@444\"","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":252,"value":"import {radio} from \"@jashkenas/inputs\"","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":69,"value":"import {_, addPatterns, addScale, addTitle, topojson} from '@rtxanson/common-map-functions'","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":322,"value":"vegalite = {\n const [Vega, VegaLite, VegaTooltip] = await Promise.all([\n require(\"vega@4/build/vega.min.js\"),\n require(\"vega-lite@2/build/vega-lite.min.js\"),\n require(\"vega-tooltip@0.13\"),\n ]);\n \n const handler = new VegaTooltip.Handler();\n \n return async spec => {\n const div = document.createElement(\"div\");\n const view = new Vega.View(Vega.parse(VegaLite.compile(spec).spec)).tooltip(handler.call);\n await view.initialize(div).runAsync();\n return div;\n };\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":74,"value":"d3 = require(\"d3@5\", 'd3-color', 'd3-interpolate', 'd3-scale-chromatic@v1.3')","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":76,"value":"d3canv = require(\"d3-selection\", \"d3-zoom\", \"d3-fetch\", \"d3-geo\", \"d3-geo-projection\")","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":82,"value":"$50","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"}],"files":"$W51","stdlib":"1"}} 42:null