Camera Calibrator 摄像机矫正Basic 基础Image 图片Calibrate 校准Settings 设置Links 链接
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计算3vp 的 PP
To be able to understand what this option does, the main focal point of the reference image must be determined. The focal point of a perspective view (i.e., any image) is the point at which the viewing axis - usually the camera’s Z axis - intersects the image plane. Usually this will be the image’s center. However, if you crop elements at an image’s edges, this focal point will no longer lie at the image’s center.
为了能够理解这个选项的作用，必须确定参考图像的主焦点。透视图(即任何图像)的焦点是观察轴(通常是相机的 z 轴)与图像平面的交点。通常这将是图像的中心。然而，如果你裁剪图像边缘的元素，这个焦点将不再位于图像的中心。
The focal point will also not be centered if a tilt-shift lens is used to create the image. This lens is often used for architectural photography if all vertical lines must appear vertical on the photo.
如果使用倾斜移动镜头来创建图像，焦点也不会居中。如果所有的垂直线都必须在照片上呈现垂直，那么这种镜头通常用于建筑摄影。
The Camera Calibrator tag recognizes this automatically (if the option is enabled) and will adapt the Film Offset X/Y values accordingly, which makes it possible to correctly calibrate the camera.
Camera calibor 标签会自动识别这一点(如果启用该选项) ，并相应地调整胶片偏移 X/Y 值，这使得正确校准摄像机成为可能。
This option should only be disabled if the tag itself reacts unexpectedly (if the calibration looks strange or no useful result can be achieved). Cinema 4D will then assume that the focal point lies at the center of the image, which can lead to better results.
只有在标记本身出现意外反应时(如果校准看起来很奇怪或者没有实现有用的结果) ，才应该禁用此选项。C4D将假定焦点位于图像的中心，这样可以得到更好的效果。
The following rule of thumb can be applied: The more parallel the lines in a reference image are (i.e., the more infinite vanishing points there are), the higher the probability that this option can be disabled. If you are certain that the image has not been cropped or created using a tilt-shift lens, this option should also be disabled (this will give the algorithm access to additional valuable information that can lead to a better result).
可以应用以下经验法则: 参考图像中的直线越平行(即，有越多的无限消失点) ，该选项被禁用的概率就越高。如果你确定图像没有被裁剪或使用倾斜移动镜头创建，这个选项也应该是禁用的(这将使算法访问额外的有价值的信息，可以导致一个更好的结果)。
Tip: 提示:放大镜
The Magnifier shows a zoomed view of lines or grids around the cursor when adjusting them. This makes it easier to position the line points. The following options are available for zooming:
在调整光标时，放大镜会显示光标周围线条或网格的缩放视图。这使得线点的定位更加容易。下列选项可用于缩放:
偏移放大器
If enabled, the zoom effect will be centered beneath the cursor. Otherwise it will be offset.
如果启用，缩放效果将居中于光标下方，否则将偏移。
Magnifier Zoom Value[100..1000%]
放大镜缩放值[100. . 1000% ]
Defines the degree of magnification.
定义放大的程度。
放大镜尺寸[8. . 512]
Defines the size of the magnified region in pixels.
以像素为单位定义放大区域的大小。