2b:null 2c:["$","title",null,{"children":"HDF5 in JS | Brian Benjamin Maranville | Observable"}] 31:[] 2f:{"id":"b36989343a727325","slug":null,"title":"HDF5 in JS","thumbnail":"eb016f9cfd824289949af226f16daf5cfb2e6d2bcb1be64d846026ecab076766","access_level":"public","create_time":"$D2023-12-18T16:54:15.401Z","update_time":"$D2023-12-18T16:57:16.342Z","view_time":null,"first_public_time":"$D2023-12-18T16:54:15.401Z","has_unpublished_edits":null,"fork":{"id":"6486c1384ac53696","slug":"hdf5-in-js","title":"HDF5 in JS","owner":{"id":"b0b4412d0985303e","login":"prafulb","name":"Praful Bhawsar"}},"stars":0,"starred":false,"owner":{"type":"team","id":"8f2f7b250cc41551","login":"bmaranville","name":"Brian Benjamin Maranville","avatar_url":"https://avatars-next.observableusercontent.com/34867406703e9c81350de34343ba94eb242d81d43d836835227d16a4fdd33b62","tier":"starter_2024"},"version":270,"publish_version":null,"role":null,"authored":false,"authors":[{"type":"individual","id":"9ad9dcfa20b0d16b","login":"bmaranville","name":"Brian Benjamin Maranville","avatar_url":"https://avatars-next.observableusercontent.com/34867406703e9c81350de34343ba94eb242d81d43d836835227d16a4fdd33b62","tier":null}],"members":[{"type":"individual","id":"9ad9dcfa20b0d16b","login":"bmaranville","name":"Brian Benjamin Maranville","avatar_url":"https://avatars-next.observableusercontent.com/34867406703e9c81350de34343ba94eb242d81d43d836835227d16a4fdd33b62","tier":null,"role":"editor"}],"comments":[],"custom_thumbnail":false,"trashed":false,"lapsed":null,"subscribed":null,"forks":0,"collection":null,"type":"notebook","body":{"titling":"auto","title":"HDF5 in JS","cells":[{"id":0,"value":"

HDF5 in JS

\n\n

Using HDF5 in javascript.

HDF5 library from NIST

github.com/usnistgov/h5wasm

\n","pinned":false,"hidden":false,"mode":"html","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":34,"value":"// js5 = require(\"jsfive@0.3.5/dist/hdf5.js\").catch(() => window[\"hdf5\"])\nh5wasm = await import(\"https://cdn.jsdelivr.net/npm/h5wasm@0.1.8/dist/hdf5_hl.js\")","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":29,"value":"

debugging modules

observablehq.com/@observablehq/module-require-debugger

Testing

Using h5wasm defined above

","pinned":false,"hidden":false,"mode":"html","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":80,"value":"f = {\n const buffer = await (await fetch(\"https://ndownloader.figshare.com/files/7024985\")).arrayBuffer();\n h5wasm.FS.writeFile(\"x.h5\", new Uint8Array(buffer));\n return new h5wasm.File(\"x.h5\", \"r\");\n}","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":210,"value":"n = f.get(\"Domain_03/OSBS/min_1/boom_1/temperature\").slice([[0, 4]])","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"}],"files":"$W31","stdlib":"1"}} 30:"$2f:body"