The avatar for @neocartocnrs
Nicolas Lambert
Hi. I'm Nicolas Lambert, research engineer in geographic information science at CNRS (France). My job is to draw maps and teach cartography at the university. I am a geographer 🌎, and not really a developer 🖥️
Public
geoviz
Edited
Dec 5
1
geoviz
Map projectionsh3-jsSymbolsThe draw() functionsquareProportional symbolsSpike markTypologyChoropleth
Layout marks
Handle geometriesSVG filters and clipTile markContainersinsetsPath markText markInteractivityTooltipsLegendsCircle markRidgelines mapWhy it's better not to add scalebars to world mapsNight and dayPan and zoomCharging points for electric vehicles in ParisLet's design a "dot cartogram"Hello geovizWorld Population
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viz.header()
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viz.footer()
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viz.header({
text: "This is my\npretty title",
background_fill: "#38896F",
fill: "white",
textAnchor: "start",
dx: 20,
margin: 20
})
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viz.outline()
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viz.graticule({ step: 30, strokeDasharray: 5, stroke: "#38896F" })
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viz.rhumbs({ nb: 36, strokeDasharray: 5, stroke: "#38896F", strokeWidth: 2 })
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{
let svg = viz.create({
domain: aus,
projection: "mercator",
width: 800,
background: "#c2e6f2",
margin: 20
});
svg.path({ datum: aus, fill: "white", fillOpacity: 0.3 });
svg.scalebar({
distance: 500,
units: "mi",
tickSize: 5,
pos: [20, svg.height - 30]
});
svg.north({ scale: 2, pos: [50, 50] });
return svg.render();
}
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viz.tool.addfonts([
{
fontFamily: "Slackey",
url: await FileAttachment("Slackey-Regular.ttf").url()
}
])
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{
let svg = viz.create({
domain: aus,
width: 800,
margin: 20,
projection: "mercator",
fontFamily: "Slackey"
});
svg.outline();
svg.path({ datum: aus, fill: "#38896F" });
svg.path({ datum: aus_roads, stroke: "white", strokeOpacity: 0.2 });
svg.scalebar();
svg.north({ pos: [75, 125], scale: 2, fill: "white" });
svg.header({
text: "Hello Australia",
background_fill: "#38896F",
margin: 10,
fill: "white",
fontSize: 50
});
svg.footer({
text: "Made with Geoviz"
});
svg.graticule({ stroke: "white", strokeWidth: 2, strokeDasharray: 10 });
svg.graticule({
stroke: "black",
strokeOpacity: 0.2,
strokeWidth: 2,
strokeDasharray: 10,

transform: "translate(2,2)"
});
return svg.render();
}
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