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3d labels - draw labels as they are

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Azgaar 2021-07-17 23:32:02 +03:00
parent 14b35cf93b
commit edf728a12e
2 changed files with 13 additions and 15 deletions
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23
modules/burgs-and-states.js
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@ -477,9 +477,7 @@
// calculate and draw curved state labels for a list of states
const drawStateLabels = function (list) {
TIME && console.time("drawStateLabels");
const cells = pack.cells,
features = pack.features,
states = pack.states;
const {cells, features, states} = pack;
const paths = []; // text paths
lineGen.curve(d3.curveBundle.beta(1));
@ -572,8 +570,8 @@
}
void (function drawLabels() {
const g = labels.select("#states"),
t = defs.select("#textPaths");
const g = labels.select("#states");
const t = defs.select("#textPaths");
const displayed = layerIsOn("toggleLabels");
if (!displayed) toggleLabels();
@ -602,8 +600,8 @@
.attr("id", "textPath_stateLabel" + id);
const pathLength = p[1].length > 1 ? textPath.node().getTotalLength() / letterLength : 0; // path length in letters
let lines = [],
ratio = 100;
let lines = [];
let ratio = 100;
if (pathLength < s.name.length) {
// only short name will fit
@ -622,10 +620,9 @@
// prolongate path if it's too short
if (pathLength && pathLength < lines[0].length) {
const points = p[1];
const f = points[0],
l = points[points.length - 1];
const dx = l[0] - f[0],
dy = l[1] - f[1];
const f = points[0];
const l = points[points.length - 1];
const [dx, dy] = [l[0] - f[0], l[1] - f[1]];
const mod = Math.abs((letterLength * lines[0].length) / dx) / 2;
points[0] = [rn(f[0] - dx * mod), rn(f[1] - dy * mod)];
points[points.length - 1] = [rn(l[0] + dx * mod), rn(l[1] + dy * mod)];
@ -653,8 +650,8 @@
if (lines.length < 2) return;
// check whether multilined label is generally inside the state. If no, replace with short name label
const cs = pack.cells.state,
b = el.parentNode.getBBox();
const cs = pack.cells.state;
const b = el.parentNode.getBBox();
const c1 = () => +cs[findCell(b.x, b.y)] === id;
const c2 = () => +cs[findCell(b.x + b.width / 2, b.y)] === id;
const c3 = () => +cs[findCell(b.x + b.width, b.y)] === id;