Changelog

All notable changes to this project will be documented in this file. Dates are displayed in UTC.

v0.3.15

10 May 2025

• fix Structure.svelte uncaught error lifecycle_outside_component thrown inside threlte <Canvas> 65c3ce5
• add point_events prop to ScatterPlot.svelte to pass click event handlers to scatter points 4ab7c3a

v0.3.14

5 May 2025

• auto-pick bw text color for max contrast in ScatterPlot legend and tooltip 6a57dbc

v0.3.13

4 May 2025

• ColorBar.svelte add props for scale_type: linear | log and color_scale_fn 75d5e85

v0.3.12

3 May 2025

• fix missing colors, math, plot, periodic-table exports in package.json + add range_padding prop to ScatterPlot 73e1af4
• ColorScaleSelect.svelte add prop options: D3InterpolateName[] 2783ed2
• breaking: rename cbar_props to colorbar in ColorScaleSelect + n_items with layout_tracks in PlotLegend 4f5c927

v0.3.11

30 April 2025

• ScatterPlot add dynamic size scaling of points based on observed value range in series 62cc6fc
• breaking: ScatterPlot and ScatterPoint use single offset object for labels, replacing offset_x and offset_y 072c3ac

v0.3.10

28 April 2025

• Fix ScatterPlot zoom #63

v0.3.9

27 April 2025

• ScatterPlot allow custom tween easing and interpolation functions + fix NaNs in interpolated ScatterPoint coords when tweening between linear/log scaled #62

v0.3.8

25 April 2025

• PlotLegend.svelte #61

v0.3.7

20 April 2025

• smarter ColorBar.svelte with better auto number of ticks and tick_side logic (primary/secondary/inside) e13bf4a

v0.3.6

19 April 2025

• Auto-placed ScatterPlot labels #60

v0.3.5

19 April 2025

• Make ScatterPlot.svelte drag-zoomable and add auto-placed ColorBar #59

v0.3.4

17 April 2025

• Add color_scale_type, color_scheme, color_range props to ScatterPlot for coloring points by numeric values #58

v0.3.3

5 April 2025

• ScatterPlot now supports per-point properties for style, marker type, size and color f83c003
• add x/y axes log-scale support to ScatterPlot 70f8dc4

v0.3.2

3 April 2025

• ScatterPlot support custom x/y tick label spacing and formatting #56

v0.3.0

25 March 2025

• Migrate to Svelte 5 runes syntax #55
• enable external component styling with new CSS custom vars 29d084a

v0.2.7

17 February 2025

• allow multiple lines/sets of points in ScatterPlot c0e37d6
• update all deps to latest and migrate unit tests to svelte v5 4a8b352

v0.2.6

5 February 2025

v0.2.4

5 February 2025

• Couple new unit tests #52
• Add parse_si_float inverse function to pretty_num in labels.ts #50
• Fix and speedup max_dist and nearest_neighbor bonding algorithms #48
• Support partial site occupancies by rendering atoms as multiple sphere slices #46
• add ScatterPlot date formatting 01f8180
• define type AtomsGraph and subtypes for (Structure|Molecule)Graph 85a044c

v0.2.3

15 January 2024

• Add props and control sliders for ambient and directional lighting to Structure #45
• Add SymmetryCard.svelte #42
• add /molecule demo page with initial examples water, methane, benzene 71ce70b
• fix find_image_atoms() for non-cuboid lattices 9138582
• add lib/structure/bonding.ts with max_dist and nearest_neighbor bonding strategies f707cf2
• add lib/math.ts 58cf060
• Structure add fullscreen button + improve default initial camera_position bda2e5f
• fix black text color on transparent ElementTiles 3ace071
• add src/emmet_pydantic_to_ts.py to auto-convert emmet pydantic models to typescript types e4bcc92
• add /api page to inspect AWS Open Data schema 83bc866
• add similar structures and robocrys sections to mp-[slug] page d4dce4b
• extract (demos)/periodic-table/+page.svelte from landing page, change landing +page.svelte to +page.md cd32144
• fix duplicate bonds in max_dist and nearest_neighbor functions 14027e3
• StructureScene add prop fov: number | undefined = undefined 770ffbf
• rename prop site_labels -> show_site_labels, default to true + fix site site_labels rendering ff0336a
• add largest MP structure mp-1204603 to demo 1b0bc6d
• bump threlte to v6 official release 45e3dc2
• periodic-table.test.ts don’t iterate over full table, do random subset for speed be68b6a
• fetch_zipped() only console.error, not raise if !response.ok f46cee0

v0.2.0

8 July 2023

• Add Lattice.svelte #41
• Show cylinder between active and hovered sites #40
• Fix structure controls for atom_radius, same_size_atoms #38
• Add Bond component #37
• Split /src/lib into submodules #36
• Add materials detail pages #35
• Highlight active and hovered sites in Structure #34
• Structure tooltips when hovering atoms #33
• get started with testing Structure.svelte and structure.ts #32
• Structure hide buttons on desktop until hover #31
• Structure grid example #30
• Structure allow selecting from different element color schemes + override individual elements #29
• add function find_image_atoms() used in StructureScene to draw images of atoms 3098d6c
• Structure add prop show_image_atoms, expand MaterialCard to show more attrs, mp-[slug] pages sync material ID with url f43dd31
• add Structure control bond_color + make all Structure CSS into variables a79ff00
• make initial camera_position responsive to crystal size 5b1e82a
• use InstancedMesh from @threlte/extras for more efficient drawing of crystal sites 142effb
• add API explorer page (under /api) 2a7c60e
• display distance between active and hovered site in hover tooltip 9e1af46
• add props c586225
• drop valid Pymatgen structures as JSON files on Structure.svelte to display them 7127b18
• PeriodicTable add prop color_overrides 1042bf2
• add copy buttons to all code blocks 7f3fb5c
• fix landing page layout broken in last commit 6f675dd

v0.1.7

3 May 2023

• Initial support for rendering interactive 3d structures #28
• Rename ColorBar props #27
• handle structure=undefined in Structure and StructureCard component 3aa160b
• add Structure props zoom_speed, pan_speed b2484ed
• add option to show cell as surface, wireframe or not at all, add range slider for cell opacity 072d57a
• add Structure props show_vectors, vector_colors, vector_origin a3f4468
• fix ElementTile dispatch event payload name dom_event f557b07
• Structure add bindable props width, height 3921f9d
• rename Structure->PymatgenStructure 2009670

v0.1.6

8 April 2023

• DRY workflows and ColorBar snap tick labels to nice values #22
• Add unit tests for ColorBar.svelte #21
• add prop precision: number = 2 to ElementTile 9847290
• add ElementStats.test.ts ccc98bf
• add precision prop to ColorBar b9bc392

v0.1.4

19 March 2023

• Add prop color_scale_range to PeriodicTable #20
• Add tick labels to ColorBar #19
• add test ‘element tiles are accessible to keyboard users’ 314876a
• add prop text_color to ElementTile 79b1eb4
• fix error msg on bad color scale names c1d0f2a

v0.1.2 and v0.1.3 were faulty and have been unpublished.

v0.1.1

16 March 2023

• AVIF element images #18
• add src/lib/ColorBar.svelte 1bff50c
• record element image provider to static/img-sources.json in src/fetch-elem-images.ts c3a5a91
• replace PrevNextElement.svelte with PrevNext from svelte-zoo 4773c24
• show tiles of reduced opacity representing all lanth-/actinides in grid col=3, row=6/7 be4f88a
• fix DemoNav active route 887e8ce
• update svelte-package to v2 0e61a9d
• add CmdPalette for keyboard-only site navigation 8a82f55

v0.1.0

14 February 2023

• prepare NPM Release #16
• Deploy site to GitHub Pages #15
• add test ‘hooking PeriodicTable up to PropertySelect and selecting heatmap sets element tile background’ #14
• convert src/lib/element-data.{ts -> yml} #13
• Migrate to PNPM #12
• Update scatter tooltip when hovering element tiles #9
• SvelteKit auto migration #8
• [pre-commit.ci] pre-commit autoupdate #5
• Add fill area below elemental periodicity line plot #4
• add individual element detail pages (closes #1) #1
• split ActiveElement.svelte into TableInset + ElementStats + ElementPhoto (closes #2, closes #3) #2 #3
• revert #13 src/lib/element-data.{yml -> ts} b181839
• initial commit feeae8f
• add src/lib/Nucleus.svelte along with demo src/routes/(demos)/nucleus/+page.svx b148e54
• spice up ElementStats and element detail pages with iconify icons 4eace91
• add color-scale + element-tile demo page 664e8f5
• add ability to plot predefined heat maps 71459fa
• rename package and repo to elementari 1921efe
• split ScatterPlot into data-agnostic ScatterPlot and ElementScatter ea7e57f
• add show icons toggle to Footer 7649f90
• add katex math rendering to markdown and mdsvex 81ce9b3
• rename package and repo to sveriodic-table 7867167
• fix scatter point fill color, mv {ChemicalElement->ElementTile}.svelte, now controlled externally by PeriodicTable.svelte 9d10109
• add PrevNextElement.svelte to element detail pages 266fab3
• fix ColorCustomizer which had zero effect since adding heatmap functionality 80dcfb0
• ptable color_scale prop now takes d3-scale-chromatic scale names or any function mapping [0,1] to color strings 84060cd
• show table of electron occupations per orbital in element detail page c3580c0
• add layout +error pages ffe433e
• show PeriodicTable on element detail pages b7d1313
• improve detail page layout b6cf71a
• fix oversights 4f40e97
• improve test coverage for periodic table in heatmap mode and Bohr atoms page 343662b
• move types into src/lib/index.ts b706882
• pnpm add -D d3-color to set ElementTile text_color based on lightness of bg_color a0b82fd
• add color scale ramp slots to ColorScaleSelect to provide visual preview of color scale ebcb0a3
• pnpm add -D svelte-zoo mdsvexamples 1a76bae
• keep scroll pos on element tile links 2dbc382
• add basic E2E tests and run in CI on push & pull to main branch e031919
• add ScatterPlot into TableInset showing periodicity trends when heat map selected efd2ed6
• add EasterEgg.svelte c8959ba
• delete ‘boil’ key in periodic-table-data.ts e8eb1cf
• move ColorCustomizer from PeriodicTable to index.svelte and hide it when in heatmap mode 688a0bd
• remove EasterEgg.svelte from landing page 686c904
• improve element tile and element stats inset screen width responsiveness 7b2b762
• only wrap ElementTile in <a> if passed href prop, else <div> d8643c8
• add vitest unit tests fad1b3a
• add contributing.md 3033f6e
• add tests ‘clicking element tile emits event’, ‘gap prop’ and ‘setting active_category=%s highlights corresponding element tiles’ 36e757d
• fix pretty_num() raising TypeError: Cannot read properties of null (reading ‘toExponential’) fa81d29
• use src/(routes|lib)/index.ts convenience imports internally 35f7fbe
• move heatmap + color_scale to svelte stores 0bb686b
• allow navigating periodic table and detail pages with arrow keys 8ffef5b
• reduce max-width landing page ptable, negative margins on bohr atom demo, replace Toggle with svelte-zoo’s Toggle 8e4c90a
• PeriodicTable forward click, mouseenter, mouseleave, keyup, keydown events from ElementTile 13db2fa
• add src/fetch-elem-images.ts to download element photos to static assets a2dff38
• fix Bohr electron orbital speed ff3af1a
• fix ScatterPlot label and grid offset 942719b
• declare module periodic-table-data.ts + clean up 6b9f717
• add coverage badges to readme 39da8c1
• add hover tooltip for scatter plot 0745307
• add ElementTile unit tests 'show_${prop} toggles ${prop} visibility' and ‘applies class active when active=true’ fd8c33f
• add prop gap = 0.3cqw between element tiles, default is 0.3% of container width aa6b503
• add npm install cmd to readme d8e15e9
• add src/lib/BohrAtom.svelte ccb8e02
• fix scatter plot not showing on element detail pages without photo 9501bbb
• ElementTile use text color also for active/hover border 178c27e
• add BohrAtom to [slug].svelte 6b3a71d
• add src/lib/Toggle.svelte a80df20
• add x and y axes to ScatterPlot.svelte f6f8325
• add prop highlight_shell to BohrAtom.svelte 5741f34
• improve SEO meta tags on index and [slug] pages abb5152
• add script src/update-site-screenshots.ts b70e8bd
• add src/lib/PropertySelect.svelte used byindex.svelte and [slug].svelte 2654347
• incl logo in readme heading, update deps, fix error page offline warning 415e788
• simplify svg coords in BohrAtom.svelte by placing origin in 3511ca4
• move d3-array, d3-interpolate-path, d3-shape, d3-scale, @iconify/svelte from package devDeps to deps f901471
• add src/routes/bohr-atoms.svelte b77abe8
• use new SvelteKit snapshot feature to restore color scale on browser back navigation edf121d
• add element detail page screen recording to readme 88a27be
• add toggle to start/stop electrons orbiting nucleus fcd9022
• fix density unit to g/liter for gases instead of g/cm^3 for solids/liquids a145443
• export active_element + active_category from PeriodicTable.svelte 56ce7e3
• move non-package components to new src/site dir 14440ae
• hide element names if windowWidth < 1000 to prevent text overflow 905d932
• drop year heatmap, add covalent_radius + first_ionization instead 6b2953e
• keep increased brightness on last-active element b441c78
• update index page screenshot 853cd18
• tweak ColorCustomizer.svelte CSS cdcf92e
• group demo routes 89aae68
• add ScatterPlot axis labels 65fdc41
• change import to import type for purely type imports ac53e0e
• display BohrAtom in PeriodicTable if window width permits c5aacdc
• make ScatterPlot always show current element on detail pages unless user actively hovers another element 6a4c021
• document BohrAtom.svelte props bc100c2
• reinstate default category color css variables 7dae519
• acknowledge images-of-elements.com and github.com/kadinzhang/Periodicity in readme 92d9941
• link to /bohr-atoms page from footer eca7889
• silence sveltekit tsconfig warning c3a4a0c
• mv src/lib/graph/* src/lib 2d7eb2f
• add screenshot to readme 54084ed