Bar graph added.

node_modules/d3-geo/src/projection/conic.js

@@ -0,0 +1,15 @@
+import {degrees, pi, radians} from "../math.js";
+import {projectionMutator} from "./index.js";
+
+export function conicProjection(projectAt) {
+  var phi0 = 0,
+      phi1 = pi / 3,
+      m = projectionMutator(projectAt),
+      p = m(phi0, phi1);
+
+  p.parallels = function(_) {
+    return arguments.length ? m(phi0 = _[0] * radians, phi1 = _[1] * radians) : [phi0 * degrees, phi1 * degrees];
+  };
+
+  return p;
+}