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<!doctype html> <html lang="en"> <head> <title>Code coverage report for ol/geom/flat/interiorpointflatgeom.js</title> <meta charset="utf-8" /> <link rel="stylesheet" href="../../../prettify.css" /> <link rel="stylesheet" href="../../../base.css" /> <meta name="viewport" content="width=device-width, initial-scale=1"> <style type='text/css'> .coverage-summary .sorter { background-image: url(../../../sort-arrow-sprite.png); } </style> </head> <body> <div class='wrapper'> <div class='pad1'> <h1> <a href="../../../index.html">all files</a> / <a href="index.html">ol/geom/flat/</a> interiorpointflatgeom.js </h1> <div class='clearfix'> <div class='fl pad1y space-right2'> 10.87% Statements 5/46 </div> <div class='fl pad1y space-right2'> 0% Branches 0/14 </div> <div class='fl pad1y space-right2'> 0% Functions 0/2 </div> <div class='fl pad1y space-right2'> 10.87% Lines 5/46 </div> </div> </div> <div class='status-line low'></div> <pre><table class="coverage"> <tr><td class="line-count quiet">1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94</td><td class="line-coverage quiet">1×   1× 1×                             1×                                                                                                                         1×                            </td><td class="text"><pre class="prettyprint lang-js">goog.provide('ol.geom.flat.interiorpoint');   goog.require('goog.asserts'); goog.require('ol.geom.flat.contains');     /** * Calculates a point that is likely to lie in the interior of the linear rings. * Inspired by JTS's com.vividsolutions.jts.geom.Geometry#getInteriorPoint. * @param {Array.<number>} flatCoordinates Flat coordinates. * @param {number} offset Offset. * @param {Array.<number>} ends Ends. * @param {number} stride Stride. * @param {Array.<number>} flatCenters Flat centers. * @param {number} flatCentersOffset Flat center offset. * @param {Array.<number>=} opt_dest Destination. * @return {Array.<number>} Destination. */ ol.geom.flat.interiorpoint.linearRings = function(flatCoordinates, offset, ends, stride, flatCenters, flatCentersOffset, opt_dest) { var i, ii, x, x1, x2, y1, y2; var y = flatCenters[flatCentersOffset + 1]; /** @type {Array.<number>} */ var intersections = []; // Calculate intersections with the horizontal line var end = ends[0]; x1 = flatCoordinates[end - stride]; y1 = flatCoordinates[end - stride + 1]; for (i = offset; i < end; i += stride) { x2 = flatCoordinates[i]; y2 = flatCoordinates[i + 1]; if ((y <= y1 && y2 <= y) || (y1 <= y && y <= y2)) { x = (y - y1) / (y2 - y1) * (x2 - x1) + x1; intersections.push(x); } x1 = x2; y1 = y2; } // Find the longest segment of the horizontal line that has its center point // inside the linear ring. var pointX = NaN; var maxSegmentLength = -Infinity; intersections.sort(); x1 = intersections[0]; for (i = 1, ii = intersections.length; i < ii; ++i) { x2 = intersections[i]; var segmentLength = Math.abs(x2 - x1); if (segmentLength > maxSegmentLength) { x = (x1 + x2) / 2; if (ol.geom.flat.contains.linearRingsContainsXY( flatCoordinates, offset, ends, stride, x, y)) { pointX = x; maxSegmentLength = segmentLength; } } x1 = x2; } if (isNaN(pointX)) { // There is no horizontal line that has its center point inside the linear // ring. Use the center of the the linear ring's extent. pointX = flatCenters[flatCentersOffset]; } if (opt_dest) { opt_dest.push(pointX, y); return opt_dest; } else { return [pointX, y]; } };     /** * @param {Array.<number>} flatCoordinates Flat coordinates. * @param {number} offset Offset. * @param {Array.<Array.<number>>} endss Endss. * @param {number} stride Stride. * @param {Array.<number>} flatCenters Flat centers. * @return {Array.<number>} Interior points. */ ol.geom.flat.interiorpoint.linearRingss = function(flatCoordinates, offset, endss, stride, flatCenters) { goog.asserts.assert(2 * endss.length == flatCenters.length, 'endss.length times 2 should be flatCenters.length'); var interiorPoints = []; var i, ii; for (i = 0, ii = endss.length; i < ii; ++i) { var ends = endss[i]; interiorPoints = ol.geom.flat.interiorpoint.linearRings(flatCoordinates, offset, ends, stride, flatCenters, 2 * i, interiorPoints); offset = ends[ends.length - 1]; } return interiorPoints; };  </pre></td></tr> </table></pre> <div class='push'></div> </div> <div class='footer quiet pad2 space-top1 center small'> Code coverage generated by <a href="http://istanbul-js.org/" target="_blank">istanbul</a> at Fri Nov 06 2015 19:36:11 GMT+0100 (CET) </div> </div> <script src="../../../prettify.js"></script> <script> window.onload = function () { if (typeof prettyPrint === 'function') { prettyPrint(); } }; </script> <script src="../../../sorter.js"></script> </body> </html>