StackGenVis: Alignment of Data, Algorithms, and Models for Stacking Ensemble Learning Using Performance Metrics
https://doi.org/10.1109/TVCG.2020.3030352
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89 lines
2.7 KiB
89 lines
2.7 KiB
4 years ago
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(function (global, factory) {
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typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
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typeof define === 'function' && define.amd ? define(['exports'], factory) :
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(factory((global.WhooTS = {})));
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}(this, (function (exports) {
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/**
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* getURL
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*
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* @param {String} baseUrl Base url of the WMS server
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* @param {String} layer Layer name
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* @param {Number} x Tile coordinate x
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* @param {Number} y Tile coordinate y
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* @param {Number} z Tile zoom
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* @param {Object} [options]
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* @param {String} [options.format='image/png']
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* @param {String} [options.service='WMS']
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* @param {String} [options.version='1.1.1']
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* @param {String} [options.request='GetMap']
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* @param {String} [options.srs='EPSG:3857']
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* @param {Number} [options.width='256']
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* @param {Number} [options.height='256']
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* @returns {String} url
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* @example
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* var baseUrl = 'http://geodata.state.nj.us/imagerywms/Natural2015';
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* var layer = 'Natural2015';
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* var url = whoots.getURL(baseUrl, layer, 154308, 197167, 19);
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*/
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function getURL(baseUrl, layer, x, y, z, options) {
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options = options || {};
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var url = baseUrl + '?' + [
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'bbox=' + getTileBBox(x, y, z),
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'format=' + (options.format || 'image/png'),
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'service=' + (options.service || 'WMS'),
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'version=' + (options.version || '1.1.1'),
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'request=' + (options.request || 'GetMap'),
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'srs=' + (options.srs || 'EPSG:3857'),
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'width=' + (options.width || 256),
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'height=' + (options.height || 256),
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'layers=' + layer
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].join('&');
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return url;
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}
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/**
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* getTileBBox
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*
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* @param {Number} x Tile coordinate x
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* @param {Number} y Tile coordinate y
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* @param {Number} z Tile zoom
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* @returns {String} String of the bounding box
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*/
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function getTileBBox(x, y, z) {
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// for Google/OSM tile scheme we need to alter the y
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y = (Math.pow(2, z) - y - 1);
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var min = getMercCoords(x * 256, y * 256, z),
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max = getMercCoords((x + 1) * 256, (y + 1) * 256, z);
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return min[0] + ',' + min[1] + ',' + max[0] + ',' + max[1];
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}
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/**
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* getMercCoords
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*
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* @param {Number} x Pixel coordinate x
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* @param {Number} y Pixel coordinate y
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* @param {Number} z Tile zoom
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* @returns {Array} [x, y]
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*/
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function getMercCoords(x, y, z) {
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var resolution = (2 * Math.PI * 6378137 / 256) / Math.pow(2, z),
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merc_x = (x * resolution - 2 * Math.PI * 6378137 / 2.0),
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merc_y = (y * resolution - 2 * Math.PI * 6378137 / 2.0);
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return [merc_x, merc_y];
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}
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exports.getURL = getURL;
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exports.getTileBBox = getTileBBox;
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exports.getMercCoords = getMercCoords;
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Object.defineProperty(exports, '__esModule', { value: true });
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})));
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