Xcode错误:AR参考图像必须具有非零的正宽度 [英] Xcode Error: AR reference image must have non zero positive width

问题描述

帮助我正在使用ARKit的图像检测功能，我不知道为什么我放置在AR Reference文件夹中的每个图像都有错误:

Help I'm playing around with ARKit's Image detection and I have no idea why every image I place in the AR Reference folder has an error:

AR参考图像名称"的正宽度必须不为零

AR reference image 'name' must have non zero positive width

我不太确定这意味着什么，我在Google上搜索时没有任何运气.

I'm not really sure what that means and I'm not having any luck when I google it.

我该如何解决?

推荐答案

将AR参考图像添加到资产目录时，需要添加物理尺寸:

When you add an AR reference image to your asset catalog, you need to add a physical size:

这对于ARKit在用户的物理环境中定位图像是必要的-否则，它无法判断图像在相机图像中看起来是否很小，因为它实际上很小并且在附近，或者因为它很大而又很远.

This is necessary for ARKit to locate the image in the user's physical environment — otherwise it can't tell whether the image appears small in the camera image because it's physically small and nearby or because it's large and far away.

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