The geoBertin1953() function in d3.js is used to draw the Jacques Bertin’s 1953 projection. It makes the Baker Bertin’s 1953 projection from given geo JSON data.
Syntax:
d3.geoBertin1953()
Parameters: This method does not accept any parameters.
Return value: This method returns the Bertin1953 projection.
Example: The following example makes the Bertin’s 1953 projection of Africa.
HTML
<!DOCTYPE html> < html lang = "en" > < head > < meta charset = "UTF-8" /> < meta name = "viewport" content=" width = device -width, initial-scale = 1 .0"/> < script src = </ script > < script src = </ script > </ head > < body > < div style = "width:400px; height:300px;" > < svg width = "600" height = "300" > </ svg > </ div > < script > var svg = d3.select("svg"), width = +svg.attr("width"), height = +svg.attr("height"); // Bertin1953 projection var gfg = d3.geoBertin1953() .scale(width / 1.5 / Math.PI) .translate([width / 2, height / 2]) // Loading the json data d3.json("https://raw.githubusercontent.com/" + "janasayantan/datageojson/master/" + "geoAfrica.json", function(data){ // Draw the map svg.append("g") .selectAll("path") .data(data.features) .enter().append("path") .attr("fill", "black") .attr("d", d3.geoPath() .projection(gfg) ) .style("stroke", "#ffff") }) </ script > </ body > </ html > |
Output: