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任何人都可以给我/建议我正确的方式或任何示例，以便我可以对这个要求有更多的了解。

我会尝试三角函数，但高度不是从捕获对象/墙上得到的。请帮我解决这个问题。

提前致谢。

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I think it's not possible, since iOS devices don't have such sensors. No echo-locators, no even second rear camera for getting stereo image and using paralax effect for analyzing distance. You have only flat 2d image.

于 2012-04-24T12:40:41.640 回答