Position camera on tripod and prefocus on inside of tank.
把相机固定于三脚架,预先对水缸内部调焦。
To see the rendered image from the camera's point of view, you have to convert the 3d world to camera space by taking the camera position and orientation into account.
要从摄像机的观察点观察渲染后的图像,您必须考虑摄像机的位置和方位,将3d世界转换为摄像机空间。
A pattern, also called marker, is a rectangular shape that you need to print and position in front of your camera.
模式(又叫做标记)是一个矩形,你用其在相机前打印和定位。
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