捕获屏幕截图和帧序列

Video Grabber is a UnigineEditor tool for high-quality capturing of screenshots and frame sequences. Frame sequences are captured in a special non-real-time mode, allowing to get any fixed FPS even on a low-end hardware. In comparison with traditional CPU-based offline rendering, this tool allows much faster rendering thanks to GPU acceleration. Video Grabber是UnigineEditor工具，用于高质量捕获屏幕快照和帧序列。帧序列以特殊的非实时模式捕获，即使在低端硬件上也可以获取任何固定的FPS。与传统的基于CPU的离线渲染相比，由于GPU的加速，该工具可以更快地渲染。

Video Grabber supports capturing of screenshots with extremely high resolution: 4K or even 8K images can be taken with a regular monitor. Also Video Grabber supports the professional EXR format in addition to the standard TGA, JPG, PNG and PSD formats. Video Grabber支持以极高分辨率捕获屏幕截图：可以使用常规监视器拍摄4K甚至8K图像。除标准的TGA，JPG，PNG和PSD格式外，Video Grabber还支持专业的EXR格式。

Video Grabber Tool视频抓取工具

注意

To open the Video Grabber tool, choose Tools -> Video Grabber in the Menu Bar.要打开Video Grabber工具，请在菜单栏中选择Tools -> Video Grabber。

The captured screenshots can be processed by a special video utility to make a video file.捕获的屏幕截图可以由特殊的视频实用程序处理以制作视频文件。

The Video Grabber tool provides the settings described below. Video Grabber工具提供以下描述的设置。

Mode Settings模式设定#

Capturing Modes捕获模式

Single shot	Take a single screenshot.截取一个屏幕截图。
Sequence	Take a sequence of screenshots with the specified FPS according to the loaded *.track file.根据加载的*.track文件以指定的FPS进行一系列屏幕截图。
FPS	The frame rate of the track animation to grab. This option is available only when the Sequence option is set.要捕获的轨道动画的帧频。仅当设置了Sequence选项时，此选项才可用。
Track	A path to a *.track file. This option is available only when the Sequence option is set. *.track文件的路径。仅当设置了Sequence选项时，此选项才可用。
Camera	Camera, the viewport of which should be captured. To update the list of available cameras, click to the right of the Camera field. 相机，应捕获其视口。要更新可用摄像机的列表，请单击在Camera字段的右侧。
Warmup	Warm up of the video grabber: the number of frames to skip before capturing the viewport. It is used to reduce visual artifacts. This option is available only when the Sequence option is set.对视频采集卡进行预热：在捕获视口之前要跳过的帧数。它用于减少视觉伪影。仅当设置了Sequence选项时，此选项才可用。

Quality Settings质量设置#

Capturing Quality捕获质量

Resolution	The output resolution. To set the output resolution to the current viewport resolution, click the button to the right of the Resolution field. If you specify very high values, a warning may appear. 输出分辨率。要将输出分辨率设置为当前视口分辨率，请单击Resolution字段右侧的按钮。 如果您指定一个很高的值，则可能会出现警告。
Anti-aliasing	The anti-aliasing mode for the output image: the image is captured with the output resolution multiplied by the specified value (by 2 or 4) and then it is resized to the initial output resolution.输出图像的抗锯齿模式：使用输出分辨率乘以指定值（2或4）捕获图像，然后将其调整为初始输出分辨率。

Output Files Settings输出文件设置#

Settings of Output Files输出文件的设置

Destination	A path to a folder, into which the screenshots will be saved.要将屏幕快照保存到的文件夹的路径。
Format	The output format: TGA PNG JPG PSD EXR The label under this field displays the bit depth of the chosen format. 输出格式： TGA PNG JPG PSD EXR 此字段下的标签显示所选格式的位深度。
Background alpha mask	Toggles capturing of the transparent background of the scene on and off: If the option is enabled, the transparent background will be captured.If the option is enabled, the transparent background will be captured. If the option is disabled, the background will be captured regardless of its transparency.If the option is disabled, the background will be captured regardless of its transparency. 注意 The option is available for all output formats except JPG.The option is available for all output formats except JPG. If the option is enabled, the transparent background will be captured.If the option is disabled, the background will be captured regardless of its transparency.The option is available for all output formats except JPG.切换打开和关闭场景的透明背景的捕获： If the option is enabled, the transparent background will be captured.如果启用该选项，则将捕获透明背景。 If the option is disabled, the background will be captured regardless of its transparency.如果禁用此选项，则无论其透明度如何都将捕获背景。 注意 The option is available for all output formats except JPG.该选项适用于除JPG之外的所有输出格式。

To capture a screenshot with the Video Grabber tool:要使用Video Grabber工具捕获屏幕截图，请执行以下操作：

1. On the Menu Bar, choose Windows -> Video Grabber.

   

   The Video Grabber tool window will open. 在菜单栏上，选择Windows -> Video Grabber。

   

   工具窗口将打开。
2. Choose the mode of the viewport capture, choose the camera that will be used for capturing, specify the required quality and output settings.选择视口捕获的模式，选择将用于捕获的相机，指定所需的画质和输出设置。
3. Press Grab. 点击 Grab.