2b:null 2c:["$","title",null,{"children":"Reading NetCDF files | Bob Kerns | Observable"}] 31:T44a,{ if (!viewof VNAME || !VNAME || !V_META_DIMS) return '[Select a variable above]'; switch (V_META_DIMS.length) { case 0: return 'This is a 0D (scalar) variable.'; case 1: return md` X = ${V_META_DIMS[0].name} `; case 2: return md`Expand the top level of the Array below to see the data slice selected by the sliders above. Selecting the axes is not yet supported.\ X = ${V_META_DIMS[1].name}\ Y = ${V_META_DIMS[0].name} `; case 3: return md`Expand the top level of the Array below to see the data slice selected by the sliders above. Selecting the axes is not yet supported.\ X = ${V_META_DIMS[1].name}\ Y = ${V_META_DIMS[0].name}\ Z = ${V_META_DIMS[2].name} `; case 4: return md`Expand the top level of the Array below to see the data slice selected by the sliders above. Selecting the axes is not yet supported.\ X = ${V_META_DIMS[1].name}\ Y = ${V_META_DIMS[0].name}\ Z = ${V_META_DIMS[2].name}\ W = ${V_META_DIMS[3].name} `; default: return 'Higher dimensions not yet supported.'; } }32:T5d3,md`# Extended NetCDF Class This is an extended version of netcdfjs that adds a few features: * **getVariableMetadata**(_varName_): Get the metadata for the specified variable. * **getVariableAttributes**(_varName_): Get the attributes for the specified variable. * **getVariableAttribute**(_varName_, _attrName_): Get the specified variable attribute * **getVariableAttributeNames**(_varName_): Get the names of the attributes set of the specified variable * **getVariableNames**(): Get the names of all the variables. * **getDataVariableView**(_varName_[, _forceType_]): Returns a function that allows you to read, write. and iterate over the the variable.: * _varName_: The name of the variable * _forceType_: If supplied, reinterpret the data as the specified type. Useful for unsigned data or string. The underlying netcdfjs package does not support NetCDF 4 types, so I may rewrite it. ~~~ // Assume \`area\` is a 2D variable over 'lat' and 'long' view = NC.getDataVariableView('myVar'); v12 = view(1)(2); // Access // Set to 7 view(1)(2, 7) // Returns an generator of 10 values from row 0, columns 90..100 S2 = view(0)([90, 100]) S2A = [...S2] // Turn it into an array S2B = s2.map(i => i) // Map over the section turning it into an array. // Turn it into a subsection of the array. S2C = view([85, 05]).map(a => a([90, 100]),map(i => i)) // Get a slice. Because this isn't the last dimension, returns a generator of generators. S1 = view([90, 100]); ~~~ `33:Te20,NetCDF = { class NetCDF extends netcdf { constructor(buf) { super(buf); } notFound(type, name) { throw new Error(`Not found: ${type} ${name}`); } getVariableMetadata(varName) { return ( this.variables.find(v => v.name === varName) || this.notFound('variable', varName) ); } getVariableAttributes(varName) { return this.getVariableMetadata(varName).attributes; } getVariableAttribute(varName, attrName) { return ( this.getVariableMetadata(varName).find(a => a.name === attrName) || this.notFound(`${varName} attribute`, attrName) ); } getVariableAttributesNames(varName) { return this.getVariableMetadata(varName).attributes.map(n => n.name); } getVariableNames() { return this.variables.map(v => v.name); } dataIterator(fn, size, start, end, step = 1) { const gen = this.gen_dataIterator(fn, size, start, end, step); gen[Symbol.iterator] = () => gen; gen.map = f => { const r = []; let i = 0; for (const v of gen) { r[i] = f(v, i); i++; } return r; }; gen.foreach = f => { let i = 0; for (const v of gen) { f(v, i++); } }; return gen; } *gen_dataIterator(fn, size, start, end, step = 1) { if (step == 0) throw new Error("Illegal step size"); end = Math.min(size, end === undefined ? start + step : end); start = Math.max(0, start); if (step > 0) { for (let i = start; i < end; i += step) { yield fn(i); } } else { for (let i = start; i > end; i += step) { yield fn(i); } } } getDataVariableView(varName, forceType) { const meta = this.getVariableMetadata(varName); const { offset, dimensions: vdims, type, stride, size: varSize } = meta; const dimensions = this.header.dimensions; const { recordStep, id: recordId, length: recordCount } = this.header.recordDimension; const { access, size } = TYPES[forceType || type] || []; if (!access) { throw new Error(`Unknown type: ${forceType || type}`); } if (vdims.length === 0) { // Scalar const dv = new DataView(this.buffer.buffer, offset, size); return v => access(dv, 0)(0, v); } const calc_stride = dim => dim === vdims.length - 1 ? vdims[dim] === recordId ? recordStep : size : dimensions[vdims[dim]].size * calc_stride(dim + 1); const strd = stride || (meta.stride = vdims.map((d, i) => calc_stride(i))); const iter1Record = (pos, dim) => { const stride = strd[dim]; if (dim === vdims.length - 1) { const dv = new DataView(this.buffer.buffer, offset + pos, varSize); return j => j === undefined ? dv : j instanceof Array ? this.dataIterator( access(dv, pos), dimensions[vdims[dim]].size, ...j ) : access(dv, pos); } else { return j => j instanceof Array ? this.dataIterator( i => iter1Record(pos + stride * i, dim + 1), dimensions[vdims[dim]].size, ...j ) : iter1Record(pos + stride * j, dim + 1); } }; return iter1Record(0, 0); } } return NetCDF; }34:T69a,TYPES = ({ char: { access: (dv, size) => (i, v) => v === undefined ? String.fromCharCode(dv.getUint8(i, v)) : dv.setInt8(i, v.charCode(0)), size: 1 }, string: { access: (dv, size) => (i, v) => { if (v === undefined) { return readUTF8(dv, i, size); } else { return writeUTF8(dv, i, size)(v); } } }, byte: { access: (dv, size) => (i, v) => v === undefined ? dv.getInt8(i, v) : dv.setInt8(i, v), size: 1 }, ubyte: { access: (dv, size) => (i, v) => v === undefined ? dv.getUInt8(i, v) : dv.setUInt8(i, v), size: 1 }, short: { access: (dv, size) => (i, v) => v === undefined ? dv.getInt16(i, v) : dv.setInt16(i, v), size: 2 }, ushort: { access: (dv, size) => (i, v) => v === undefined ? dv.getUInt16(i, v) : dv.setUInt16(i, v), size: 2 }, int: { access: (dv, size) => (i, v) => v === undefined ? dv.getInt32(i * 4) : dv.setInt32(i * 4, v), size: 4 }, uint: { access: (dv, size) => (i, v) => v === undefined ? dv.getUInt32(i * 4) : dv.setUInt32(i * 4, v), size: 4 }, int64: { access: (dv, size) => (i, v) => v === undefined ? dv.getInt64(i * 4) : dv.setInt64(i * 4, v), size: 8 }, uint64: { access: (dv, size) => (i, v) => v === undefined ? dv.getUInt64(i * 4) : dv.setUInt64(i * 4, v), size: 8 }, float: { access: (dv, size) => (i, v) => v === undefined ? dv.getFloat32(i * 4) : dv.setFloat32(i * 4, v), size: 4 }, double: { access: (dv, size) => (i, v) => v === undefined ? dv.getFloat64(i * 8) : dv.setFloat64(i * 8, v), size: 8 } })35:T7d0,readUTF8 = (dv, start, size) => { const r = []; let i = start; while (i < size) { console.log('UTF8', i, ...r); const b = dv.getUint8(i++); if (b === 0) { return String.fromCodePoint(...r); } else if ((b & 0x80) === 0) { r.push(b); } else if ((b & 0xe0) === 0xc0) { const b2 = dv.getUint8(i++); if (b2 === 0) { return String.fromCodePoint(...r, b); } if ((b2 & 0xc0) !== 0x80) { return String.fromCodePoint(...r, b, b2); } r.push(((b & 0x2f) << 6) | (b2 & 0x3f)); } else if ((b & 0xf0) === 0xe0) { const b2 = dv.getUint8(i++); if (b2 === 0) { 1; return String.fromCodePoint(...r, b); } if ((b2 & 0xc0) !== 0x80) { return String.fromCodePoint(...r, b, b2); } const b3 = dv.getUint8(i++); if (b3 === 0) { return String.fromCodePoint(...r, b, b2); } if ((b3 & 0xc0) !== 0x80) { return String.fromCodePoint(...r, b, b2, b3); } r.push(((b & 0x0f) << 12) | ((b2 & 0x3f) << 6) | (b3 & 0x3f)); } else if ((b & 0xf8) === 0xf0) { const b2 = dv.getUint8(i++); if (b2 === 0) { return String.fromCodePoint(...r, b); } if ((b2 & 0xc0) !== 0x80) { return String.fromCodePoint(...r, b, b2); } const b3 = dv.getUint8(i++); if (b3 === 0) { return String.fromCodePoint(...r, b, b2); } if ((b2 & 0xc0) !== 0x80) { return String.fromCodePoint(...r, b, b2, b3); } const b4 = dv.getUint8(i++); if (b4 === 0) { return String.fromCodePoint(...r, b, b2, b3); } if ((b2 & 0xc0) !== 0x80) { return String.fromCodePoint(...r, b, b2, b3, b4); } r.push( ((b & 0x07) << 18) | ((b2 & 0x3f) << 12) | ((b3 & 0x3f) << 6) | (b4 & 0x3f) ); } else { throw new Error("Shouldn't get here"); } } return String.fromCodePoint(...r); }36:[{"id":"3a6b265fac113c37c7d3666f0f25d8caa96e08e452c6820682c4506e8365a2c323c6da1a466f5bebb26ee6c978e45dbedfff973abee77e0104d90e7d741d8a58","href":"https://static.observableusercontent.com/files/3a6b265fac113c37c7d3666f0f25d8caa96e08e452c6820682c4506e8365a2c323c6da1a466f5bebb26ee6c978e45dbedfff973abee77e0104d90e7d741d8a58","name":"tos_O1_2001-2002.nc","type":"application/octet-stream","lastModified":1580396711111.656,"size":2949152},{"id":"e37843aa7726da2b8c06110fc4661dab241d2422eecb5442415a1d960b10ab8a952176994dbb9c33ec2ca2c77b1a8d5ec97ca5ef74ecc322be2fb686b6f7b045","href":"https://static.observableusercontent.com/files/e37843aa7726da2b8c06110fc4661dab241d2422eecb5442415a1d960b10ab8a952176994dbb9c33ec2ca2c77b1a8d5ec97ca5ef74ecc322be2fb686b6f7b045","name":"sresa1b_ncar_ccsm3-example.nc","type":"application/octet-stream","lastModified":1580286812024.048,"size":2767916}] 2f:{"id":"b0152ba5f5dc3fbd","slug":"reading-netcdf-files","title":"Reading NetCDF files","thumbnail":"940813b5737f21e9c6a14b183285bdf390a0a5baba233cd86cd1717c4ba016b5","access_level":"public","create_time":"$D2020-01-26T09:17:29.403Z","update_time":"$D2020-02-02T07:34:50.778Z","view_time":null,"first_public_time":"$D2020-01-30T15:02:40.108Z","fork":false,"stars":6,"starred":false,"owner":{"type":"team","id":"a2a391e81ef70f60","login":"bobkerns","name":"Bob Kerns","avatar_url":"https://avatars-next.observableusercontent.com/d3d634f0561198d48f6c5a897f4009b95f14b0014fb7d85f3b6cc5415336b639","tier":"starter_2024"},"version":1602,"publish_version":1602,"role":null,"authored":false,"authors":[{"type":"individual","id":"c30fe465bb675dbe","login":"bobkerns","name":"Bob Kerns","avatar_url":"https://avatars-next.observableusercontent.com/d3d634f0561198d48f6c5a897f4009b95f14b0014fb7d85f3b6cc5415336b639","tier":null}],"members":[{"type":"individual","id":"c30fe465bb675dbe","login":"bobkerns","name":"Bob Kerns","avatar_url":"https://avatars-next.observableusercontent.com/d3d634f0561198d48f6c5a897f4009b95f14b0014fb7d85f3b6cc5415336b639","tier":null,"role":"editor"}],"comments":[],"custom_thumbnail":false,"trashed":false,"subscribed":null,"forks":5,"collection":null,"type":"notebook","body":{"title":"Reading NetCDF files","cells":[{"id":0,"value":"md`# Reading NetCDF files`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":11,"value":"viewof INPUT = form(\n html`

\n\n—OR— Example file:\n`\n)}

`)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":1354,"value":"$31","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":1234,"value":"DATA_SLICE = {\n if (!VIEW || !viewof POSITION) return md``;\n switch (V_META_DIMS.length) {\n case 0:\n return VIEW();\n case 1:\n return VIEW([POSITION.d0, POSITION.d0 + 5]).map(i => i);\n case 2:\n return VIEW([POSITION.d0, POSITION.d0 + 10]).map(a =>\n a([POSITION.d1, POSITION.d1 + 5]).map(i => i)\n );\n case 3:\n VIEW([POSITION.d0, POSITION.d0 + 10]).map(a =>\n a([POSITION.d1, POSITION.d1 + 10]).map(a =>\n a([POSITION.s2, POSITION.d2 + 5]).map(i => i)\n )\n );\n case 4:\n VIEW([POSITION.d0, POSITION.d0 + 10]).map(a =>\n a([POSITION.d1, POSITION.d1 + 10]).map(a =>\n a([POSITION.s2, POSITION.d2 + 5]).map(a =>\n a([POSITION.s3, POSITION.d3 + 5]).map(i => i)\n )\n )\n );\n default:\n return [];\n }\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":1231,"value":"VIEW = viewof VNAME && VNAME !== '--none--' && D.getDataVariableView(VNAME)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":946,"value":"md`# Example Datasets`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":950,"value":"NCAR_CCSM = FileAttachment(\"sresa1b_ncar_ccsm3-example.nc\")","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":1594,"value":"TOS = FileAttachment(\"tos_O1_2001-2002.nc\")","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":954,"value":"EXAMPLES = ({ 'NCAR CCSM': NCAR_CCSM, 'TOS Sea Surface Temps': TOS })","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":1325,"value":"$32","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":450,"value":"$33","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":780,"value":"$34","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":1406,"value":"$35","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":1564,"value":"writeUTF8 = (buf, start, end) => {\n let i = start;\n return s => {\n let c = 0;\n while (i < end && c < s.length) {\n const room = end - i;\n const v = s.codePointAt(c++);\n v < 0x80\n ? room >= 1 && buf.setUInt8(i++, v)\n : v < 0x800\n ? room >= 2 &&\n (buf.setUint8(i++, (0x1f & (v >> 6)) | 0xc0),\n buf.setUint8(i++, (0x3f & v) | 0x80))\n : v < 0x10000\n ? room >= 3 &&\n (buf.setUint8(i++, (0x0f & (v >> 12)) | 0xe0),\n buf.setUint8(i++, (0x3f & (v >> 6)) | 0x80),\n buf.setUint8(i++, (0x3f & v) | 0x80))\n : room >= 4 &&\n (buf.setUint8(i++, (0x07 & (v >> 18)) | 0xf0),\n buf.setUint8(i++, (0x3f & (v >> 12)) | 0x80),\n buf.setUint8(i++, (0x3f & (v >> 6)) | 0x80),\n buf.setUint8(i++, (0x3f & v) | 0x80));\n }\n };\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":5,"value":"md`# Appendix`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":1095,"value":"html``","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":30,"value":"D = ARRAY && new NetCDF(ARRAY)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":239,"value":"V_META = viewof VNAME &&\n VNAME !== '--none--' &&\n D &&\n D.getVariableMetadata(VNAME)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":245,"value":"V_META_DIMS = V_META && V_META.dimensions.map(d => D.dimensions[d])","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":255,"value":"X_DIM_NAMES = V_META_DIMS && V_META_DIMS.map(d => d.name)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":806,"value":"md`Convert URL's and email adddresses into links, and turn it into preformated fixed-width text.`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":613,"value":"linkify = s =>\n // (/\\n/.test(s)) ?\n d3\n .create('pre')\n .attr(\n 'style',\n 'margin-left: 4em; margin-top: 0; margin-bottom: 0; font-family:monospace;whitespace: default;'\n )\n .call(sel =>\n s.split(SPLIT_RE).map((frag, i) =>\n i % 2 == 0\n ? sel.append('span').text(frag)\n : /^ftp:|https?:/.test(frag)\n ? sel\n .append('a')\n .attr('href', frag)\n .text(frag)\n : sel\n .append('a')\n .attr('href', `mailto:${frag}`)\n .text(frag)\n )\n )\n .node()","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":812,"value":"md`Matches URLs and email addresses`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":833,"value":"RE_URL_HOST = RegExp(`(?:[a-zA-Z0-9]+\\.)+[a-zA-Z0-9]{2,}`)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":838,"value":"RE_URL_HOST_PORT = RegExp(`${RE_URL_HOST.source}(?::\\d+)?`)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":845,"value":"md`We exclude \\`'.'\\`, \\`','\\`, \\`')'\\` or \\`'?'\\` at the end.`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":842,"value":"URL_PATH_CHARS = String.raw`a-zA-Z=%*~/\\[\\]\\\\()_+#-`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":854,"value":"RE_URL_PATH = RegExp(`(?:/[.,?${URL_PATH_CHARS}]*[${URL_PATH_CHARS}])*/?`)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":889,"value":"RE_MAILBOX = RegExp(`[a-zA-Z0-9][.a-zA-Z0-9-]*[a-zA-Z0-9]`)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":865,"value":"RE_MAIL = RegExp(`${RE_MAILBOX.source}@${RE_URL_HOST.source}`)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":814,"value":"RE_URL = RegExp(\n `(?:ftp|https?)://${RE_URL_HOST_PORT.source}${RE_URL_PATH.source}`\n)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":665,"value":"SPLIT_RE = RegExp(`(${RE_URL.source}|${RE_MAIL.source})`, 'g')","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":259,"value":"Y_DIM_NAMES = viewof VNAME &&\n viewof VNAME.value &&\n XDIM &&\n X_DIM_NAMES &&\n X_DIM_NAMES.filter(n => n !== XDIM)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":220,"value":"V = D &&\n viewof VNAME &&\n viewof VNAME.value !== '--none--' &&\n D.getDataVariable(viewof VNAME.value)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":89,"value":"RECORD_COUNT = D && D.getDataVariable(D.header.recordDimension.name).length","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":45,"value":"ARRAY = INPUT.file\n ? INPUT.file.arrayBuffer\n : INPUT.example && INPUT.example !== \"--Select a file\"\n ? EXAMPLES[INPUT.example].arrayBuffer()\n : undefined","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":987,"value":"FILE = INPUT.file || EXAMPLES[INPUT.example]","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":1051,"value":"MONTHS = ({\n Jan: 1,\n Feb: 2,\n Mar: 3,\n Apr: 4,\n May: 5,\n Jun: 6,\n Jul: 7,\n Aug: 8,\n Sep: 9,\n Oct: 10,\n Nov: 11,\n Dec: 12\n})","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":608,"value":"view = v => d => Generators.disposable(((v.value = d), v), () => null)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":633,"value":"callSite = (...s) => (s.raw = s)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":8,"value":"netcdf = require('netcdfjs@1.0.0/dist/netcdfjs.js')","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":433,"value":"import { trackHash } from '@bobkerns/utilities'","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":437,"value":"hash = trackHash('always')","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":959,"value":"import { form } from '@mbostock/form-input'","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":645,"value":"d3 = require('d3@5')","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"}],"files":"$W36","stdlib":"1","titling":"auto"}} 30:"$2f:body"