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jgaffuri
GIS and cartography at Eurostat
Public
Edited
Nov 16, 2023
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colR = d3.interpolateYlOrRd //d3.interpolateViridis //d3.interpolateOrRd
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cols = Array.from({ length: nbCl }, (_, i) => colR(i / (nbCl - 1)))
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col = d3.scaleQuantile().range(cols)
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colIni = (cells, r, zf) => {
col.domain(cells.filter((c) => c.ind).map((c) => c.ind));
return col;
}
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color = (c, colInfo) => colInfo(c.ind)
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style = new gviz.Style({
drawFun: (cells, r, cg) => {
const colInfo = colIni(cells, r);

cg.setCanvasTransform();
for (let c of cells) {
cg.ctx.fillStyle = color(c, colInfo);
cg.ctx.fillRect(c.x, c.y, r, r);
}
}
})
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