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Slight improvement, On large datasets the “search speed up” doesn’t work right.
Change this section:
if( document.getElementById("xData"+i) ) { // to speed up the search! ii_start = document.getElementById("xData"+i).innerHTML-2; if (ii_start < 0 ) { ii_start = 0 } } if (typeof(dataPoints[ chart.options.data[i].name ]) == 'undefined') {
with:
if (typeof(dataPoints[ chart.options.data[i].name ]) == 'undefined' ) { if( document.getElementById("xData"+i) ) { // to speed up the search! ii_start = parseInt(document.getElementById("xData"+i).innerHTML); if (ii_start > 0 ) { while (ii_start > 0 && e.entries[0].dataPoint.x.getTime() - chart.options.data[i].dataPoints[ii_start].x.getTime() < 0) { ii_start = parseInt(ii_start*.9)-6; } } ii_start-= 6; if (ii_start < 0 ) { ii_start = 0 } }