Web viewer

 

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 and 10 are not complaint. 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:

  1. From the Worklist, click the Quick View button, , for the study.

  2. 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.

Users who do not have permission to use the full viewer, the Open Web Viewer button exists on the Worklist table as well.

 

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 below.

 

Feature

Control

Load viewer

Click Open button

Close viewer

From series view, click the browser’s Back button or the Close button, , in the study header.

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, click browser’s Back button or click the Close button, .

Next/previous series

Left click along the left edge while in Image view to skip to the previous series. Left click along the right edge to advance to the next series.

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

The available web viewer controls are summarized in an overlay. To display the help information for the current view, click the Help button, , at the top of the web viewer.

Enable/disable dynamic help

When enabled, dynamic help pops up a bubble when the mouse hovers over an active control area. This setting is configurable in the web viewer settings. Temporarily enable/disable the dynamic help tool by double-clicking on the Help button, .

 

User-specific web viewer settings are configurable from the Web Viewer Settings section of the user's preferences page.