关于#ar#的问题：When using Openlayers, the following error may occur:(语言-javascript)

Question

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Openlayers Error: Canvas - Multiple readback operations using getImageData are faster... When using Openlayers, the following error may occur: Canvas2D: Multiple readback operations using getImageData are faster with the willReadFrequently attribute set to true. See: https://html.spec.whatwg.org/multipage/canvas.html#concept-canvas-will-read-frequently The solution is to upgrade ol to 7.2.2 or higher. Due to the update of canvas, the original setting of canvas should be: getContext('2d', { willReadFrequently: true }); Image: https://img-community.csdnimg.cn/images/cb1abcb7a5b14e2ca9960012b676166c.png

Answer 1

解决办法：

将ol升级到 7.2.2以上。