Picked Surface Node Positions

When hitting the () button on the right side of VISRAD's Main Window, that icon appears when moving the mouse in the Main Graphics Window. Pick on a surface element, and a widget showing the node positions and centroid position for that surface element is displayed (below). The colors correspond to those shown for the nodes of the picked surface element in the Main Graphics Window.

To copy position variables from the Picked Surface Nodes widget into other widgets with position variables, right-click on one of the listed nodes, and select the Copy Position Variables menu item. When this is done, all 3 position variables are copied, and the geometry (Cartesian, cylindrical, or spherical) is tracked. When pasting into boxes using a different geometry, the position variables are converted to that geometry.

If using the Point-to-Point Distance Tool, double-clicking on one of the points in the Picked Surface Nodes widget will automatically populate the position boxes in the tool.

Position values are typically entered in units of cm. To change the default units used to specify position, go to the User Interface tab of the Preferences dialog.

For users at the University of Rochester, a button is available that shows the Target Assembly Viewer. When this is pressed, the viewer is displayed and the Viewing Angles are automatically set using the surface normal vector.

Adding a Stalk to the Picked Surface

For target chambers that contain Target Mounts (e.g., OMEGA, OMEGA-EP, and NIF), a Stalk object can be added to the picked surface.

To do this, select one of the surface element nodes or the centroid position, and click on the Add a Stalk at this Surface button. A dialog showing a list of available Target Mounts is shown, along with a few selected parameters.

The new Stalk object is then added to the Target Components List, and can be later edited using the Object Parameters Dialog.

A check box provides the option to reset the reference coordinate system of the picked surface element's Target Component to the Target Mount.

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