AngularJSでデータビジュアライズ

2014.08.26 LT資料

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1. AngularJS σʔλϏδϡΞϥΠζ 2014.08.26 @LIG Tsuru Kazuhito
2. About me? ! Name: ௡ཹɹҰਔ (Tsuru Kazuhito) Twitter: @ichizin גࣜձࣾϚΠϯυύϨοτ αʔόʔαΠυΤϯδχΞͱͯ͠ओʹόοΫ ΤϯυΛத৺ʹ࣌ʑϑϩϯτΤϯυ΋৮ͬͯ ·͢ɻ
3. LTΛ࢝ΊΔલʹ ݴ͍༁͍ͤͯͩ͘͞͞
4. ͪΐ͏Ͳ1ϲ݄લ
5. ! ಉ྅A : ʮ௡ཹ͞ʔΜɺདྷ݄LIG͞ΜͰLTൃදձ͕͋ ΔΒ͍͠ΜͰ͕͢ग़·ͤΜ͔ʁʯ ! ௡ཹ : ʮλΠτϧ͸ԿͰ͔͢ʁʯ ! ಉ྅A : ʮϑϦʔͰ͢ʯ ! ௡ཹ : ʮΘ͔Γ·ͨ͠ɻग़·ʔ͢ɻʯ
6. ͱ͍͏Θ͚Ͱ౰ॳ͸ ฐࣾͷάϩʔεϋοΫͷऔΓ૊Έʹ͍ͭͯ ࿩ͦ͏ͱࢥͬͯ·ͨ͠ɻ
7. ConnpassʹࢀՃද໌Λ ͠Α͏ͱࢥͬͨΒ ؾ͍ͮͪΌ͍·ͨ͠
8. ొஃऀͷํʑͷλΠτϧ javaScript৭͕ڧ͍͜ͱʹ (͔͠΋ൃදͷࣗ෼ͷൃදͷςʔϚ͕ ʮjavaScriptύϑΥʔϚϯενϡʔχϯάʯʹͳͬͯͨ) ! ߄ͯͯಉ྅Aʹ֬ೝ
9. ᠳฏ : ʮ௡ཹ͞Μɺ֬ೝͨ͠ΜͰ͕͢LTͷςʔϚ javaScriptؔ࿈͕͍͍Β͍͠Ͱ͢ɻʯ ! ௡ཹ : ʮͳɺͳΜͩͬͯʔʔʔʂʂʯ ! ͦͯ͠ɺࠓʹ͍ͨΔɻɻɻ !
10. ूܭը໘Λ࠶ߏங࢝Ίͯ 1ϲ݄ܦͭͷͰ ͜͜·ͰͰΘ͔ͬͨ͜ͱΛ ·ͱΊ·͢
11. ԁ׈ʹσʔλ෼ੳ͕Ͱ͖ΔΑ͏ͳ ूܭը໘Λ࡞Γ͍ͨ
12. ! σʔλϏϡδϡΞϥΠζ͢Δʹ͸
13. D3.js Data-Driven Documents ͕༗໊Ͱ͢Ͷ
14. D3.jsͰ৭ʑͳάϥϑ࡞Εͦ͏
15. D3.jsͰϦονͳάϥϑΛ ඳը͢ΔͨΊʹ͸ SVGʹ͍ͭͯཧղ͢Δඞཁ͕͋Δ ͳͲֶशίετ͕͔͔Δ
16. άϥϑඳըΛ΋ͬͱखܰʹѻ͑Δ Α͏ʹͨ͘͞ΜͷD3.jsͷ ϥούʔϥΠϒϥϦ͕ଘࡏ͢Δ
17. ྫ͑͹ɺ ɾdimple -> http://dimplejs.org/ 㱺 ͍ͬͨΜ͜ͷϥΠϒϥϦΛ࢖ͬͯ·͢ɻͷͪͷͪD3ʹஔ͖׵͑Δ༧ఆ ɾxCharts -> http://tenxer.github.io/ xcharts/ ɾC3.js -> http://c3js.org/ etc (ࢀߟ) http://matome.naver.jp/odai/2138966107937611601
18. ͜ΕͰ͔͍͍ͬ͜ άϥϑඳը͕Ͱ͖Δʂʂ ΊͰͨ͠ɻΊͰͨ͠ɻ
19. ͔͠͠ʂʂ σʔλΛϏδϡΞϥΠζ͢Δ ίʔυ͸௕͍
20. ྫ͑͹γϯϓϧͳ๮άϥϑͰ΋
21. var margin = {top: 20, right: 20, bottom: 30, left: 40}, width = 960 - margin.left - margin.right, height = 500 - margin.top - margin.bottom; ! var x = d3.scale.ordinal() .rangeRoundBands([0, width], .1); ! var y = d3.scale.linear() .range([height, 0]); ! var xAxis = d3.svg.axis() .scale(x) .orient("bottom"); ! var yAxis = d3.svg.axis() .scale(y) .orient("left") .ticks(10, "%"); ! var svg = d3.select("body").append("svg") .attr("width", width + margin.left + margin.right) .attr("height", height + margin.top + margin.bottom) .append("g") .attr("transform", "translate(" + margin.left + "," + margin.top + ")"); ! d3.tsv("data.tsv", type, function(error, data) { x.domain(data.map(function(d) { return d.letter; })); y.domain([0, d3.max(data, function(d) { return d.frequency; })]); ! svg.append("g") .attr("class", "x axis") .attr("transform", "translate(0," + height + ")") .call(xAxis); ! svg.append("g") .attr("class", "y axis") .call(yAxis) .append("text") .attr("transform", "rotate(-90)") .attr("y", 6) .attr("dy", ".71em") .style("text-anchor", "end") .text("Frequency"); ! svg.selectAll(".bar") .data(data) .enter().append("rect") .attr("class", "bar") .attr("x", function(d) { return x(d.letter); }) .attr("width", x.rangeBand()) .attr("y", function(d) { return y(d.frequency); }) .attr("height", function(d) { return height - y(d.frequency); }); ! }); ! function type(d) { d.frequency = +d.frequency; return d; } ௕͗͢ʂʂ
22. ! ! άϥϑඳը͢Δͨͼʹ ɹɹɹɹɹɹ͜ͷίʔυॻ͍ͯͨΒ ! ɾੜ࢈ੑ ×Bad ɾίʔυͷอकੑɹ×Bad
23. ͦ͜Ͱʂʂ
24. ! AngularJSͰͬͤʂʂ
25. ඇৗʹڠྗͳ AngularͷDirectiveػೳ
26. Directiveͱ͸Կ͔ʁ 㱺 ػೳͷίϯϙʔωϯτԽ
27. ྫ͑͹ direcitive.js ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! index.html
29. DirectiveΛ࢖͏͜ͱͰػೳΛ ൚༻తʹ࢖͑ΔΑ͏ʹͳΔ ! ɾੜ࢈ੑ Good ɾίʔυͷอकੑ Good
30. DirecitiveΛ੍͢Δऀ͕ AngularΛ੍͢
31. DirectiveΛ࢖ͬͯ άϥϑΛίϯϙʔωϯτԽ ͯ͠ΈΑ͏ʂʂ
32. GitHub https://github.com/ vicapow/angular-d3-talk ͪ͜ΒͷίʔυΛαϯϓϧʹ ࢖Θͤͯ௖͖·͢
33. Demo
34. DirectiveͷϙΠϯτʹ͍ͭͯ
35. function dounutGraph(d3Service) { var d3 = d3Service.d3; return { restrict:’EA', // E :element A: attribute scope: { "data": “=", "accessor": “=“ ɹɹ// ‘=’͸σʔλόΠϯυ ‘@’͸จࣈ ‘&’͸Πϕϯτɹɹɹɹɹɹ }, link: function(scope, elm, attr) { // D3ͷίʔυΛॻ͍͍ͯ͘ } }
36. $watchʹ͍ͭͯ
37. ! ؂ࢹର৅͕มԽͨ͜͠ͱΛ࡯஌͢Δ ! $watch(؂ࢹର৅, มԽͨ͠ࡍͷίʔϧόοΫ)
38. ! ! ! ! $watch͸഑ྻ͕ ௥Ճ͞Εͨ࡟আ͞Εͨ·Ͱ࡯஌͠ͳ͍ ΦϒδΣΫτͷࢀরͷΈ !
39. ഑ྻͷ௥Ճɾ࡟আ·Ͱ࡯஌͢Δ $watchCollection
40. ! ! ! ! $watchCollection͸഑ྻͷ த਎͕มߋ͞Ε͔ͨͲ͏͔͸࡯஌Ͱ͖ͳ͍ !
41. ! ! ! ! $watchʹ͸ୈࡾͷҾ਺͕͋Γ·͢ !
42. ! ! ! ! ! deep watch ͢΂ͯΦϒδΣΫτͷத਎·Ͱ؂ࢹ $watch(؂ࢹର৅, มԽͨ͠ࡍͷίʔϧόοΫ, true) !
43. ! ! deep watchʹ͢ΔͱΦϒδΣΫτ શͯΛ؂ࢹ͢Δɻ ͦͷͨΊɺॏ͘ͳΓ͕ͪɻ ݱࡏɺϕετͳ΍ΓํΛ໛ࡧதɻ !
44. ࠓޙͷ՝୊
45. ! ! ! ! ɾDeep WatchʹมΘΔํ๏͕ͳ͍͔ௐ΂Δ ! ɾViewଆͷΧελϚΠζੑΛߴΊΔ
46. Ҏ্ʂʂ ͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠