INNER CODE UNIT · JavaScript
nextScale
business-science/free_r_tips · 030_slide_decks_xaringan/libs/Proj4Leaflet/proj4leaflet.js:128
nextScale = this._scales[iZoom + 1];
scaleDiff = nextScale - baseScale;
zDiff = (zoom - iZoom);
return baseScale + scaleDiff * zDiff;
}
},
zoom: function(scale) {
// Find closest number in this._scales, down
var downScale = this._closestElement(this._scales, scale),
downZoom = this._scales.indexOf(downScale),
nextScale,
nextZoom,
scaleDiff;
// Check if scale is downScale => return array index
if (scale === downScale) {
return downZoom;
}