彻底解决Echarts图表加载的缓存问题(综合几篇博客)_echarts切换数 …
Apr 24, 2018 · 针对写echarts的时候出现刷新页面，但是数据或者效果没有成功改变(多少次都没有刷新成功),只有清空cookie才行(好麻烦)的解决办法:1、在最后的setOption前面加上下面这一句即可：//清空画布,防止缓存myChart2.clear();eg：//折线图 // 基于准备好的dom，初始化echarts实例 ...
How to clear a chart from a canvas so that hover events cannot …
Jul 18, 2014 · It's best to use Chart.js specific functionalities to initially check for the existing chart instance and then perform destroy or clear in order to reuse the same canvas element for rendering another chart, instead of handlding HTML elements from within JS. ChartJs's getChart(key) - finds the chart instance from the given key.
how do I clear a apache Echart? I need to re-initialize it
May 12, 2022 · So, you must create another Ajax call for updating the data, where first, you must find the chart instance, and execute the setOption method, as well said by @A mere dev in the other answer. On the only update Ajax call, you'll don't need to create a new chart, but just receive the new data and pass it
Clear canvas after drawing a chart (AJAX Request) #559 - GitHub
Aug 20, 2014 · Currently I am trying to draw a new chart after a POST request, which transfers the JSON to the "canvas" element. Unfortunately the graph starts jumping around and gets "fuzzy" between the grid lines. This happens every time when the JSON data has changing datasets - which means, that there are different amounts of grid lines zu draw.
javascript - Clear/Reinitialize Highchart - Stack Overflow
Nov 1, 2016 · I'm using Highcharts.js plugin at the moment everything it's ok but while I was testing my char I discovered that if a call my draw chart function twice I get the results that I expect two times, so now I want to clear chart content or reinitialize or destroy or whatever before call it again but I don't know exactly what to do, searching here ...
Data Cache - MultiCharts
Sep 17, 2024 · Right-click a symbol → Clear Cache. In the dialog box that appears, click OK to clear the cache for that symbol, or click Cancel to cancel the operation. Cached data can be saved to the database: Manually, by using the Flush Cached Data to Database option in the Edit menu. Automatically, by closing all the MultiCharts applications.
How to clear cache? - MultiCharts
Jun 2, 2009 · I opened QM and checked there were some ticks for today and selected them all and deleted. Then I right-clicked the symbol from QM and clicked Clear cache and pressed Yes. I double checked QM did not load any ticks for today. Then closed QM. Next, I reopened QM and there still exists the ticks for today. What is the correct way to clear ticks ...
how do I clear a chart? Basically I need to re-initialize it.
Apr 13, 2018 · I'm having a problem clearing out old data. Basically, I just want after each selection to re-initialize the chart and start from scratch. How can I do that? It seems that now, when the user deselects a metric, the chart retains that old information. I've tried setting data to null, or empty array, but nothing seems to work.
Chart is caching various data sets #1558 - GitHub
Oct 22, 2015 · After calling in various datasets, where the chart does update, it seems that the chart is in fact caching the previous dataset and displays both in a glitchy way when I hover my mouse over the chart. Also, when my AJAX data result is empty, I'd like to show an empty graph, but using clear, update or destroy does nothing at all. AJAX Code
Clear Chart Cache – ReadyWorks User Guide
From the Charts tab, you can clear the cache of charts. To clear cache: Select a chart (row) to clear the cache; Click the Clear Cache button on the toolbar. The clear cache button is grayed out unless a chart (row) is selected; The clear cache function is only available to users in the Administrator security group
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