The web viewer displays images in the web browser and on mobile devices. Basic tools are available to manipulate the images including scrolling, window/level, magnification, cross sectional references and linear measurements.
The web viewer is available for browsers supporting HTML5 and WebGL. Compliant browsers include Mozilla Firefox (v11), Google Chrome (v18), Apple Safari (v5.2) and Opera Next (v12). Some might have WebGL disabled by default. Microsoft Internet Explorer 9 is not complaint. Install Google Chrome Frame plug-in to make IE7, IE8 and IE9 compliant. When the browser does not support the required technology, the web viewer is disabled.
Activate the web viewer from a browser on a workstation as follows:
From the Worklist, click the Quick View button,
, for the study.
Click the Open Web Viewer button, . The button in the study tool group opens the web viewer
to the series mode view. The button in a series header opens the web viewer
to the image mode for the respective series.
The web viewer consists of series and image views. The series view displays the series in a study. Click on a series to display the images in the image view. The available tools are listed in the Browser column in the table below.
Feature |
Control |
Load viewer |
Click Open button |
Close viewer |
Click browser’s Back button |
Select series |
From Series View, left click series image. From Image View, left click on left or right screen edge. |
Return to series view |
Left click top left or right corner or click browser’s Back button |
Scroll series page |
Left drag |
Scroll image page |
Left drag along either edge, center mouse button drag or scroll wheel |
Window |
Right drag horizontally |
Level |
Right drag vertically |
Grayscale invert |
Double right click image to toggle |
Pan |
Left drag |
Magnify |
Left+right drag |
Rotate |
Left drag starting along the image edge |
Flip |
Double click the screen edge |
Show/hide reference image |
If the study contains orthogonal series in the same frame of reference, it appears by default in the lower left or right corner. Double left-click on the orthogonal image to hide it. Double left-click in bottom corner to display it. |
Select reference image |
Left click on orthogonal image then left click on series |
Move reference image |
Double left click on target corner |
Linear measurement |
Left click on ruler. When blinking, position cursor at the starting position, left click+drag to ending position and release mouse button. |
Edit linear measurement |
Drag the ruler edges using left mouse button |
Reset ruler |
Double-click ruler |
Reset image |
Double-click image |
Show/hide help |
Click help icon in lower left or right corner to display help overlay. Left click anywhere on screen to hide help overlay. |
Enable/disable bubble help |
Double left-click help icon |
User-specific web viewer settings are configurable from the Web Viewer Settings section of the user's preferences page.