Function syncLabelScaleControls

src/main.js:151–178

()

}

function syncLabelScaleControls() {
  let min = Number(state.mapping.labelScaleMin);
  let max = Number(state.mapping.labelScaleMax);
  if (!Number.isFinite(min)) min = 0;
  if (!Number.isFinite(max)) max = min + 1;
  if (min < 0) min = 0;
  if (max < min) {
    max = min;
  }
  state.mapping.labelScaleMin = min;
  state.mapping.labelScaleMax = max;
  if (dom.labelScaleMin) dom.labelScaleMin.value = String(min);
  if (dom.labelScaleMax) dom.labelScaleMax.value = String(max);
  if (dom.labelScale) {
    dom.labelScale.min = String(min);
    dom.labelScale.max = String(Math.max(max, min));
    const span = Math.max(Math.abs(max - min), 0);
    const step = span > 0 ? span / 100 : 0.01;
    dom.labelScale.step = step.toFixed(6);
    state.mapping.labelScale = clamp(
      Number(state.mapping.labelScale),
      min,
      Math.max(max, min)
    );
    dom.labelScale.value = String(state.mapping.labelScale);
    scene.setLabelScaleFactor(state.mapping.labelScale);
  }
}

const state = {
  dataset: null,