Interactive Viewer Toolset

IN THIS ARTICLE

The interactive viewer includes familiar tools including zoom, pan, and slice navigation. This article describes the tools available in the interactive viewer.

NOTE: ProKnow automatically saves the configured slice, window/level, zoom, pan, dose, and active dose levels and structure visibility settings for each patient if the current user has Write Patients permissions within the current workspace. If the current user does not have Write Patients permissions, they can still modify the visibility settings, but any changes will not be saved.

Toolbar

Slice Navigation

There are a few ways to choose the current slice.

  1. With any tool selected, place your cursor so that it is on one of the three patient views. Use your mouse's scroll wheel to scroll through slices on the axial, coronal, and sagittal views.
  2. With any tool selected, place your cursor so that it is on one of the three patient views. Use the arrow keys on your keyboard to scroll through slices on the axial, coronal, and sagittal views.
  3. Choose the Slice Navigation tool represented by the crosshairs icon in the interactive viewer toolbar (or the Navigation command in the interactive viewer right-click menu). Point and click in any one of the three views to navigate to a particular slice position in all three views.

Window/Level

There are a couple ways to adjust your window/level settings.

  1. With any tool selected, open the window/level dropdown next to the brightness icon in the interactive viewer toolbar. Use the sliders or number fields to adjust the window width and level values.
  2. Choose the Window/Level tool represented by the brightness icon in the interactive viewer toolbar (or the Window/Level command in the interactive viewer right-click menu). Click and drag up and down on the image set to adjust the window width. Click and drag left and right on the image set to adjust the window level.

Zoom

Choose the Zoom tool represented by the magnifying glass icon in the interactive viewer toolbar (or the Zoom command in the interactive viewer right-click menu). Click the point of focus (i.e., where you want to "zoom in to" or "zoom out from") and, while holding down the mouse button, drag the mouse to the top right to zoom in to the indicated focus point or to the bottom left to zoom out from the indicated focus point.

Zoom to Selection

Choose the Zoom to Selection tool represented by the selection group icon in the interactive viewer toolbar (or the Zoom to Selection command in the interactive viewer right-click menu). Using the mouse, click and drag to draw a selection window in any of the three viewports (axial, sagittal, or coronal). Once satisfied, release the mouse button and the viewport will center and zoom the window to the indicated selection. Please note that the zoom to selection tool only allows you to zoom in to a specified area, there is no way to zoom out using this tool (it is common to use the zoom to selection in conjunction with zoom to fit).

Zoom to Fit

Choose the Zoom to Fit command represented by the four arrows icon in the interactive viewer toolbar (or the Zoom to Fit command in the interactive viewer right-click menu). The zoom to fit command automatically resizes the indicated viewport to be centered and properly zoomed based on the primary subject (i.e., image set, structure set, plan, or dose). When clicked from the interactive viewer toolbar, the primary subject is centered and fit inside the axial viewport; when clicked from the right-click menu, it is centered and fit inside the viewport where the right-click menu was opened.

Pan

Choose the Pan tool represented by the hand icon in the interactive viewer toolbar (or the Pan command in the interactive viewer right-click menu). Click and drag in any direction to position the subject in the desired position.

Probe

Choose the Probe tool represented by the line icon in the interactive viewer toolbar (or the Probe command in the interactive viewer right-click menu). The axial view will slide up to make room for the dose and image profile. Click and drag to create a line along the path you wish to probe. The dose and image profile graph will update as you draw the line.

Measuring Distance

In addition to providing you with dose and image profiles along a line, you can also use the probe tool to measure the distance between two points in the interactive viewer. Simply create a line between two points. The highest value along the x-axis is the distance in millimeters between the two points.

Toggling Dose Levels

There are two ways to toggle dose levels.

  1. With an active and visible dose object, dose levels will be displayed in the upper left corner of the interactive viewer. To toggle the levels individually, click on the colored block representing the dose level you wish to toggle on or off.
  2. With an active and visible dose object and the Dose tab selected, toggle individual dose levels by clicking on the eyeball icon for the level you wish to toggle. Toggle all dose levels at once by clicking the eyeball icon in the sidebar header.

For information on how to set dose levels, please visit our complete user guide on the Patient - Dose tab.

Toggling Structures

With an active and visible structure set and the Structure tab selected, toggle individual structures by clicking on the eyeball icon for the structure you wish to toggle. Toggle all structures at once by clicking on the eyeball icon in the sidebar header.

For information about structure sets, structures, and structure set versions, please visit our complete user guide on the Patient - Structures tab.

Using the Right Click Menu

The right-click menu provides quick access to the following tools: Slice Navigation, Window/Level, Zoom, Zoom to Selection, Zoom to Fit, and Pan from any interactive viewer. To open the right-click menu, position your cursor over the interactive viewer and right click your mouse. Select the menu option you wish to enable, or click outside the menu to close.

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