https://bl.ocks.org/mbostock
https://bl.ocks.org/mbostock/7322386
https://bl.ocks.org/mbostock/4679202
https://www.d3-graph-gallery.com/index.html
https://www.d3-graph-gallery.com/donut.html
https://www.d3-graph-gallery.com/pie.html
文件物件模型 (Document Object Model)
The HTML DOM Tree of Objects
可縮放向量圖形 (Scalable Vector Graphics)
10個例子 5/2 9-12 5/9 9-12
Heatmap 格子 深淺~
https://www.d3-graph-gallery.com/graph/heatmap_basic.html
D3.queue可以讓全部檔案讀完才執行動作
Aziomuthal
Conformal [圖學常用到]
Equal-Area
Equidistant
套用GeoJSON
若要執行node.js
NaN == NaN
false
isNaN(NaN)
true
GLUT畫三角形
https://processing.org/reference/loadShader_.html
https://www.d3-graph-gallery.com/treemap
https://www.d3-graph-gallery.com/hexbinmap.html
https://schuelerzahlen-zuerich.opendata.iwi.unibe.ch/App2/d3geo-2/ch_var/index.html#pop_female/1991
https://www.d3-graph-gallery.com/graph/hexbinmap_geo_basic.html
https://team.carto.com/u/andrew/tables/andrew.us_states_hexgrid/public/map