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Resolutions smaller than 0

See original GitHub issue

Hey there,

Im using custom resolutions from an ArcGIS Server (https://geoportal.stadt-kassel.de/arcgis/rest/services/Raster/RSK_WEB_G/MapServer)

var proj4rs25832def = '+proj=utm +zone=32 +ellps=GRS80 +units=m +no_defs';
var customcrs = new L.Proj.CRS('EPSG:25832', proj4rs25832def, {
    resolutions: [
        13.229193125052918,
        5.291677250021167,
        2.6458386250105836,
        1.3229193125052918,
        0.6614596562526459,
    ]
});

var map = new L.Map('map', {
        crs: customcrs,
        center: [51.3133835, 9.49648767981191],
        zoomControl: true,
        zoom: 1,
        maxZoom: customcrs.options.resolutions.length,
        minZoom: 1,
        continuousWorld: true
});

L.esri.dynamicMapLayer({
        url: 'https://geoportal.stadt-kassel.de/arcgis/rest/services/Raster/RSK_WEB_G/MapServer',
    }).addTo(map);

Unfortunately the last zoom resolution 0.6614596562526459 doesn’t really work. It zooms to it, but afterwards zooms even further, which it should not do at all, because its the last step. But it seems to ignore that, and zooms one more time - which shows a bigger version (so it zooms out again). When removing the last zoom level it all works as intended, but I need this last zoom level, as its the most detailed one.

Anyone has an idea how to fix this, or can point me in the right direction? Im kinda lost…