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ArcGIS Maps SDK for JavaScript: A complete 2D and 3D mapping and data visualization API

js.arcgis.com

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/* All material copyright ESRI, All Rights Reserved, unless otherwise specified. See https://js.arcgis.com/4.33/esri/copyright.txt for details. */ function o(o,e,a){const n=e-o.compared.sourceZoom,t=o.halfWindowPanAtZoom(n);return-o.halfWindowSize*(a.ascensionFactor*Math.LN2*o.compared.pan+t)*Math.log(o.compared.sourceZoom/e)/(o.desiredPixelFlow*Math.LN2*t)}function e(o,e,a){const n=1/e,t=Math.log(o.compared.sourceZoom*n),i=1/o.desiredPixelFlow,r=1/Math.LN2,d=e-o.compared.sourceZoom,c=1/d,l=(a.ascensionFactor*Math.LN2*o.compared.pan+o.halfWindowPanAtZoom(d))/o.halfWindowPanAtZoom(1);return o.halfWindowSize*n*i*r*c*l-o.halfWindowSize*t*i*r*c+o.halfWindowSize*t*i*r*l/(d*d)}function a(o,e,a){const n=e-o.compared.sourceZoom,t=1/n,i=1/e,r=Math.log(o.compared.sourceZoom*i),d=(a.ascensionFactor*Math.LN2*o.compared.pan+o.halfWindowPanAtZoom(n))/o.halfWindowPanAtZoom(1);return o.halfWindowSize*t*(-2*t*i*d+2*t*r+2*i-2*r*d/(n*n)-d/(e*e))/(o.desiredPixelFlow*Math.LN2)}function n(o,e){return-o.halfWindowSize*Math.log(o.compared.sourceZoom/e)/(o.desiredPixelFlow*Math.LN2)}function t(o,e){return o.halfWindowSize/(e*o.desiredPixelFlow*Math.LN2)}function i(o,e){return-o.halfWindowSize/(e*e*o.desiredPixelFlow*Math.LN2)}function r(o,e,a){return-o.compared.pan*o.halfWindowSize*(a.ascensionFactor+a.descensionFactor-1)/(o.desiredPixelFlow*o.halfWindowPanAtZoom(e))}function d(o,e,a){return o.compared.pan*o.halfWindowSize*(a.ascensionFactor+a.descensionFactor-1)/(o.desiredPixelFlow*o.halfWindowPanAtZoom(e*e))}function c(o,e,a){return-2*o.compared.pan*o.halfWindowSize*(a.ascensionFactor+a.descensionFactor-1)/(o.desiredPixelFlow*o.halfWindowPanAtZoom(e*e*e))}function l(o,e,a){return o.halfWindowSize*(-o.halfWindowPanAtZoom(e)-a.descensionFactor*Math.LN2*o.compared.pan+o.halfWindowPanAtZoom(o.compared.targetZoom))*Math.log(e/o.compared.targetZoom)/(o.desiredPixelFlow*Math.LN2*o.halfWindowPanAtZoom(-e+o.compared.targetZoom))}function m(o,e,a){const n=Math.log(e/o.compared.targetZoom),t=1/o.desiredPixelFlow,i=1/Math.LN2,r=-e+o.compared.targetZoom,d=1/r,c=(-o.halfWindowPanAtZoom(e)-a.descensionFactor*Math.LN2*o.compared.pan+o.halfWindowPanAtZoom(o.compared.targetZoom))/o.halfWindowPanAtZoom(1);return-o.halfWindowSize*n*t*i*d+o.halfWindowSize*n*t*i*c/(r*r)+o.halfWindowSize*t*i*d*c/e}function h(o,e,a){const n=e-o.compared.targetZoom,t=1/n,i=1/e,r=Math.log(e/o.compared.targetZoom),d=(o.halfWindowPanAtZoom(e)+a.descensionFactor*Math.LN2*o.compared.pan-o.halfWindowPanAtZoom(o.compared.targetZoom))/o.halfWindowPanAtZoom(1);return o.halfWindowSize*t*(-2*t*i*d-2*t*r+2*i+2*r*d/(n*n)-d/(e*e))/(o.desiredPixelFlow*Math.LN2)}function s(o,e){return o.halfWindowSize*Math.log(e/o.compared.targetZoom)/(o.desiredPixelFlow*Math.LN2)}function f(o,e){return o.halfWindowSize/(e*o.desiredPixelFlow*Math.LN2)}function w(o,e){return-o.halfWindowSize/(e*e*o.desiredPixelFlow*Math.LN2)}function p(o){const e=o.compared.sourceZoom-o.compared.targetZoom;if(0===e)return o.compared.pan*o.halfWindowSize/(o.desiredPixelFlow*o.halfWindowPanAtZoom(o.compared.sourceZoom));const a=Math.LN2*o.compared.pan,n=e,t=o.halfWindowPanAtZoom(n),i=o.halfWindowSize*Math.log(o.compared.sourceZoom/o.compared.targetZoom)/(o.desiredPixelFlow*Math.LN2*t);return o.compared.sourceZoom<=o.compared.targetZoom?i*(a-t):i*(a+t)}export{i as ddtAscensionZoomOnly,a as ddtAscensionZoomPan,w as ddtDescensionZoomOnly,h as ddtDescensionZoomPan,c as ddtPanion,t as dtAscensionZoomOnly,e as dtAscensionZoomPan,f as dtDescensionZoomOnly,m as dtDescensionZoomPan,d as dtPanion,n as tAscensionZoomOnly,o as tAscensionZoomPan,p as tBaseLine,s as tDescensionZoomOnly,l as tDescensionZoomPan,r as tPanion};