@geogirafe/lib-geoportal/tools/geoconsts.js

GeoGirafe is a flexible application to build online geoportals.

// SPDX-License-Identifier: Apache-2.0
import { METERS_PER_UNIT as ol_METERS_PER_UNIT } from 'ol/proj.js';
class GeoConsts {
    /** When circles needs to be rendered as polygon of N sides. */
    static CIRCLE_TO_POLYGON_SIDES = 64;
    static INCHES_PER_METER = 39.37;
    // TODO REG : Is this correct ?
    // It seems that the this should be correct for WMS created from MapSever,
    // but not from GeoServer for example, which is generating tile at 90 dpi.
    // Is there an OGC standard output resolution ?
    // Should we read the DPI from the WMS-Server configuration ?
    static PRINT_DOTS_PER_INCH = 72;
    // TODO REG : Is this correct ?
    // shouldn't we read this information from the current display? (desktop, mobile, ...)
    // https://www.infobyip.com/detectmonitordpi.php
    static SCREEN_DOTS_PER_INCH = 96;
    static METERS_PER_UNIT = ol_METERS_PER_UNIT;
}
export default GeoConsts;