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threejs 获取3D模型某个点的三视图

获取场景中的3D模型某个点的三视图,并获取到三视图数据。

或者根据3D场景中有某个平面,获取该平面与3D视图相交的2D数据


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三视图你需要用到摄像机组,可以看官方案例:相机组
在你选择一个模型文件后,获取其坐标,然后获取其包围盒,再计算你在每条轴上相机应该在的位置,把对应相机的可视范围反馈到页面上。

取切面可以用Material属性的clippingPlanes属性,案例:切面,至于数据要怎么拿我就不清楚了


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