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refactor: drawScaleBar
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Azgaar
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dbea28f731
commit
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3 changed files with 103 additions and 98 deletions
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@ -8105,6 +8105,7 @@
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<script defer src="modules/renderers/draw-borders.js?v=1.103.00"></script>
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<script defer src="modules/renderers/draw-heightmap.js?v=1.103.00"></script>
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<script defer src="modules/renderers/draw-markers.js?v=1.103.00"></script>
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<script defer src="modules/renderers/draw-scalebar.js?v=1.103.00"></script>
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<script defer src="modules/renderers/draw-temperature.js?v=1.103.00"></script>
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</body>
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</html>
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102
modules/renderers/draw-scalebar.js
Normal file
102
modules/renderers/draw-scalebar.js
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@ -0,0 +1,102 @@
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"use strict";
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function drawScaleBar(scaleBar, scaleLevel) {
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TIME && console.time("drawScaleBar");
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if (!scaleBar.size() || scaleBar.style("display") === "none") return;
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const unit = distanceUnitInput.value;
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const size = +scaleBar.attr("data-bar-size");
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const length = (function () {
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const init = 100;
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let val = (init * size * distanceScale) / scaleLevel; // bar length in distance unit
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if (val > 900) val = rn(val, -3); // round to 1000
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else if (val > 90) val = rn(val, -2); // round to 100
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else if (val > 9) val = rn(val, -1); // round to 10
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else val = rn(val); // round to 1
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const length = (val * scaleLevel) / distanceScale; // actual length in pixels on this scale
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return length;
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})();
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scaleBar.select("#scaleBarContent").remove(); // redraw content every time
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const content = scaleBar.append("g").attr("id", "scaleBarContent");
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const lines = content.append("g");
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lines
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.append("line")
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.attr("x1", 0.5)
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.attr("y1", 0)
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.attr("x2", length + size - 0.5)
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.attr("y2", 0)
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.attr("stroke-width", size)
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.attr("stroke", "white");
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lines
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.append("line")
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.attr("x1", 0)
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.attr("y1", size)
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.attr("x2", length + size)
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.attr("y2", size)
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.attr("stroke-width", size)
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.attr("stroke", "#3d3d3d");
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lines
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.append("line")
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.attr("x1", 0)
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.attr("y1", 0)
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.attr("x2", length + size)
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.attr("y2", 0)
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.attr("stroke-width", rn(size * 3, 2))
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.attr("stroke-dasharray", size + " " + rn(length / 5 - size, 2))
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.attr("stroke", "#3d3d3d");
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const texts = content.append("g").attr("text-anchor", "middle").attr("font-family", "var(--serif)");
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texts
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.selectAll("text")
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.data(d3.range(0, 6))
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.enter()
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.append("text")
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.attr("x", d => rn((d * length) / 5, 2))
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.attr("y", 0)
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.attr("dy", "-.6em")
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.text(d => rn((((d * length) / 5) * distanceScale) / scaleLevel) + (d < 5 ? "" : " " + unit));
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const label = scaleBar.attr("data-label");
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if (label) {
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texts
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.append("text")
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.attr("x", (length + 1) / 2)
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.attr("dy", ".6em")
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.attr("dominant-baseline", "text-before-edge")
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.text(label);
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}
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const scaleBarBack = scaleBar.select("#scaleBarBack");
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if (scaleBarBack.size()) {
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const bbox = content.node().getBBox();
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const paddingTop = +scaleBarBack.attr("data-top") || 0;
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const paddingLeft = +scaleBarBack.attr("data-left") || 0;
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const paddingRight = +scaleBarBack.attr("data-right") || 0;
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const paddingBottom = +scaleBarBack.attr("data-bottom") || 0;
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scaleBar
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.select("#scaleBarBack")
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.attr("x", -paddingLeft)
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.attr("y", -paddingTop)
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.attr("width", bbox.width + paddingRight)
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.attr("height", bbox.height + paddingBottom);
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}
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TIME && console.timeEnd("drawScaleBar");
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}
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function fitScaleBar(scaleBar, fullWidth, fullHeight) {
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if (!scaleBar.select("rect").size() || scaleBar.style("display") === "none") return;
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const posX = +scaleBar.attr("data-x") || 99;
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const posY = +scaleBar.attr("data-y") || 99;
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const bbox = scaleBar.select("rect").node().getBBox();
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const x = rn((fullWidth * posX) / 100 - bbox.width + 10);
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const y = rn((fullHeight * posY) / 100 - bbox.height + 20);
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scaleBar.attr("transform", `translate(${x},${y})`);
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}
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@ -896,104 +896,6 @@ function toggleScaleBar(event) {
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}
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}
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function drawScaleBar(scaleBar, scaleLevel) {
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if (!scaleBar.size() || scaleBar.style("display") === "none") return;
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const unit = distanceUnitInput.value;
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const size = +scaleBar.attr("data-bar-size");
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const length = (function () {
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const init = 100;
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let val = (init * size * distanceScale) / scaleLevel; // bar length in distance unit
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if (val > 900) val = rn(val, -3); // round to 1000
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else if (val > 90) val = rn(val, -2); // round to 100
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else if (val > 9) val = rn(val, -1); // round to 10
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else val = rn(val); // round to 1
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const length = (val * scaleLevel) / distanceScale; // actual length in pixels on this scale
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return length;
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})();
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scaleBar.select("#scaleBarContent").remove(); // redraw content every time
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const content = scaleBar.append("g").attr("id", "scaleBarContent");
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const lines = content.append("g");
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lines
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.append("line")
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.attr("x1", 0.5)
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.attr("y1", 0)
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.attr("x2", length + size - 0.5)
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.attr("y2", 0)
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.attr("stroke-width", size)
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.attr("stroke", "white");
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lines
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.append("line")
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.attr("x1", 0)
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.attr("y1", size)
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.attr("x2", length + size)
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.attr("y2", size)
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.attr("stroke-width", size)
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.attr("stroke", "#3d3d3d");
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lines
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.append("line")
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.attr("x1", 0)
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.attr("y1", 0)
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.attr("x2", length + size)
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.attr("y2", 0)
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.attr("stroke-width", rn(size * 3, 2))
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.attr("stroke-dasharray", size + " " + rn(length / 5 - size, 2))
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.attr("stroke", "#3d3d3d");
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const texts = content.append("g").attr("text-anchor", "middle").attr("font-family", "var(--serif)");
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texts
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.selectAll("text")
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.data(d3.range(0, 6))
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.enter()
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.append("text")
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.attr("x", d => rn((d * length) / 5, 2))
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.attr("y", 0)
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.attr("dy", "-.6em")
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.text(d => rn((((d * length) / 5) * distanceScale) / scaleLevel) + (d < 5 ? "" : " " + unit));
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const label = scaleBar.attr("data-label");
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if (label) {
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texts
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.append("text")
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.attr("x", (length + 1) / 2)
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.attr("dy", ".6em")
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.attr("dominant-baseline", "text-before-edge")
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.text(label);
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}
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const scaleBarBack = scaleBar.select("#scaleBarBack");
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if (scaleBarBack.size()) {
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const bbox = content.node().getBBox();
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const paddingTop = +scaleBarBack.attr("data-top") || 0;
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const paddingLeft = +scaleBarBack.attr("data-left") || 0;
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const paddingRight = +scaleBarBack.attr("data-right") || 0;
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const paddingBottom = +scaleBarBack.attr("data-bottom") || 0;
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scaleBar
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.select("#scaleBarBack")
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.attr("x", -paddingLeft)
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.attr("y", -paddingTop)
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.attr("width", bbox.width + paddingRight)
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.attr("height", bbox.height + paddingBottom);
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}
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}
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// fit ScaleBar to screen size
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function fitScaleBar(scaleBar, fullWidth, fullHeight) {
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if (!scaleBar.select("rect").size() || scaleBar.style("display") === "none") return;
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const posX = +scaleBar.attr("data-x") || 99;
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const posY = +scaleBar.attr("data-y") || 99;
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const bbox = scaleBar.select("rect").node().getBBox();
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const x = rn((fullWidth * posX) / 100 - bbox.width + 10);
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const y = rn((fullHeight * posY) / 100 - bbox.height + 20);
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scaleBar.attr("transform", `translate(${x},${y})`);
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}
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function toggleZones(event) {
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if (!layerIsOn("toggleZones")) {
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turnButtonOn("toggleZones");
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