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Exporting to Video

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Exporting a sequence of images to video can be useful in time based applications, such as cardiac imaging.

Important Note

In previous versions of the Vetstation, the text overlay was unconditionally turned off to avoid exporting patient information.  This is no longer the case, and the visibility of the text overlay in exported images is the same as it was at the time of capture from the viewer.  You can determine whether or not the text overlay is on or off for an individual item in the clipboard by hovering over it with the mouse and inspecting the values in the tooltip.

 

To export to video:

1.In the clipboard, select the display set you wish to export (you cannot export single images or multiple clipboard items to video, only a single display set).
2.Click the Export To Video button on the clipboard toolbar, or right-click on the display set and select Export To Video from the context menu.
If you copied a display set to the clipboard with the text overlay ON and then export the clipboard item, the text overlay will appear in the exported video.
The clipboard thumbnail on the screen does not show the overlay because it clutters the thumbnail.  To determine whether the overlay is ON or OFF,  hover the mouse over the individual clipboard item.  A tooltip will appear showing patient/study information as well as the overlay ON/OFF state.

 

 

3.Select the desired video export options.  A list of the available options can be found below.  When you are done, click OK.

 

 

Option

Description

Video Options

Images per second

Specifies the rate at which the video should be played back (e.g. if you're creating a video of 40 images and you set Images per second to 20, the video will last 40 ÷ 20 = 2 seconds)

Advanced

You can change the video codec with which the video is coded, as well as codec-specific options, by clicking on the Advanced button.
 

Field of View

WYSIWYG

Only the visible portion of the images at the time when it was copied to the clipboard will be exported.

Complete Image

The entire images will be exported, regardless of what was visible when the image was copied to the clipboard.

Output Size

Scale

The scaling factor at which the images are exported, relative to the field of view (i.e. if you have selected WYSIWYG, the scaling factor is relative to the size of the visible area onscreen, whereas if you selected Complete Image, the scaling factor is relative to the actual width and height of the image).

Fixed

The selected field of view will be automatically scaled to best fit the specified dimensions.  You may specify a background colour with which to fill the extra padding space by clicking on the colour swatch.

4.At this point you will be asked to specify the filename to which the exported video will be saved.  Once you click Save, your video will be created!

 

ClearCanvas Vetstation - User's Guide
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