olcs/src/olcs/print/printUtils.ts

OpenLayers Cesium integration and plugin library

export {computeRectangle} from './computeRectangle.js';

export type {RectangleOutput} from './computeRectangle.js';

export function computeDPIForPDF(
  pdfPixels: [number, number],
  imageDimensions: [number, number],
): number {
  const widthDPI = imageDimensions[0] / (pdfPixels[0] / 72);
  const heightDPI = imageDimensions[1] / (pdfPixels[1] / 72);

  // this can be fractional
  return (widthDPI + heightDPI) / 2;
}