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ThomasJunk/openlayers_example.js

Created July 25, 2019 08:35
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openlayers_example.js
const pixelsPerMapMillimeter = resolution / 25.4; // resolution = resolution to print at
const mapSizeForPrint = [
Math.round(this.pdf.width * pixelsPerMapMillimeter), // 210 * resolution / DPI
Math.round(this.pdf.height * pixelsPerMapMillimeter)
];
...
const scale = 100
map.setSize(mapSizeForPrint);
const view = map.getView();
const proj = view.getProjection();
const resolutionForPrint =
(getPointResolution(proj, scale, view.getCenter()) / (10 * pixelsPerMapMillimeter)) * proj.getMetersPerUnit();
map.getView().setResolution(resolutionForPrint);
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