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前端網頁資料視覺化設計
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tkirby
December 22, 2015
Technology
1
510
前端網頁資料視覺化設計
前端網頁資料視覺化設計 / 分享於現代化網站技術分享日
tkirby
December 22, 2015
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Transcript
網⾴頁前端視覺化技術 infographics.tw
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Nigel Holmes TIME Magazine
$IBSU+VOL%FCBUF &EXBSE5VGUF JO7%2* 「凡對讀者的智⼒力抱著懷疑態度來對待的⼈人, 也無法寫出像樣的作品。」 「如果統計數字枯燥乏味的話, 那你肯定弄錯了數字」 IJUF
$IBSU+VOL%FCBUF &EXBSE5VGUF JO7%2* %BUB*OL3BUJP *OLPG%BUB 5PUBM*OL6TFE
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1854 1858 1869
http://www.nytimes.com/interactive/2015/03/19/upshot/3d-yield-curve-economic-growth.html?_r=0
data = [1,2,3,4,5,6,7,8]
data = [1,2,3,4,5,6,7,8] <div style=“width:100px”></div> <div style=“width:200px”></div> <div style=“width:300px”></div> <div
style=“width:800px”></div> …..
2011 Mike Bostock
TA G DATA +
data = [1,2,3,4,5,6,7,8]
data = [1,2,3,4,5,6,7,8] d3.select(“#root”) .selectAll(“div”) .data(data)
data = [1,2,3,4,5,6,7,8] enter() exit() d3.select(“#root”) .selectAll(“div”) .data(data)
data = [1,2,3,4,5,6,7,8] enter() exit() d3.select(“#root”) .selectAll(“div”) .data(data) append remove
data = [1,2,3,4,5,6,7,8] d3.select(“div:nth-of-type(5)”) .text(function(v) { return v; });
d3.select(“#root”) .selectAll(“div”) .style({ “width”: function(v) { return v + “px”;
}}) .attr({ … }); Dynamic Property
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MathML
MathML X3D
MathML X3D SMIL
MathML X3D SMIL Document Agnostic
http://zbryikt.github.io/visualize/banana/ Banana in X3D
Transition d3.select(“#root”) .selectAll(“div”) .transition() .duration(1000) .style({ “width”: function(v) { return
v + “px”; }});
http://bl.ocks.org/mbostock/1256572 D3 Show Reel
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http://bl.ocks.org/infographicstw/raw/122779b04901c4ffa455/5.html Play with Force Layout
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Processing 2001, MIT Media Lab. Simplified Java
Processing 2001, MIT Media Lab. Simplified Java Processing.js p5.js
d3.select(“#root”) .selectAll(“div”) .data(d) .enter() .append(“div”) .style({ width: function(v) { return
v+”px”; }, height: “10px” } ); <div id=“root”></div> function draw() { for(i in d) { rect(0,i*10, d[i],(i+1)*10); } } d3.js p5.js
d3.select(“#root”) .selectAll(“div”) .data(d) .enter() .append(“div”) .style({ width: function(v) { return
v+”px”; }, height: “10px” } ); <div id=“root”></div> function draw() { for(i in d) { rect(0,i*10, d[i],(i+1)*10); } } d3.js p5.js CSS Selector HTML CSS D3.js
d3.select(“#root”) .selectAll(“div”) .data(d) .enter() .append(“div”) .style({ width: function(v) { return
v+”px”; }, height: “10px” } ); <div id=“root”></div> function draw() { for(i in d) { rect(0,i*10, d[i],(i+1)*10); } } d3.js p5.js draw in draw rect by rect
But….. Performance?
p5.js
2D webGL renderer with canvas fallback
D3.js Pixi.js
快 易 強 難 慢 弱 ? d3.js p5.js pixi.js
PathGL
PathGL
PathGL
Rasterize D3.js D3.js HTML SVG X3D CUSTOM CANVAS SVG 3D
CANVAS WEBGL CA NV AS CANVAS DATA BINDING INTERFACE IMPLEMENTATION CSS 3D CA NV AS PHANTOMJS or NATIVE PORTING SERVER SIDE
D3 + Canvas ? D3 + NodeJS ? D3 +
ReactJS ? D3 + WebWorker ?
TO BE CONTINUE …
Let’s Talk about Responsive
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Large in Size Low Quality
Small in Size High Quality
w (x1,y1) <svg width=“w” height=“h” viewBox=“x1 y1 x2 y1”> h
(x2,y2)
(x1,y1) (x2,y2) w h
preserveAspectRatio xMin xMid xMax yMin yMid yMax
preserveAspectRatio=“xMidYMid” xMin xMid xMax yMin yMid yMax
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http://www.nytimes.com/interactive/2015/06/17/world/middleeast/map-isis-attacks-around-the-world.html?smid=tw-nytimes&_r=1
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(x1,y1) (x2,y2) w h x scale y scale
d3.scale.linear() data 0~10 scale coord 0~w
d3.svg.axis().tick(w/k)
07/2015, Nadieh @ Visual Cinnamon
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http://www.foundi.info/lab/badneighbor/
總結 • 整體原則與 RWD 相同 • 考慮圖⽂文搭配的閱讀體驗 • 彈性處理圖表本⾝身的尺⼨寸 •
可以簡化的資料應統⼀一簡化,沒有平台差異 • 不適合簡化的資料,再考慮分裝置處理 • 永遠考慮更簡潔的表現形式
Visualization without Web
2015.09 shown by Republican to the congress to refund Planned
Parenthood
proposed actually 2015.09 shown by Republican to the congress to
refund Planned Parenthood
http://guns.periscopic.com/
( 2007 Proc. InfoViz )
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w w <canvas width=“w” height=“h” style=“width:wpx;height:hpx”> h h