Using the WIRED4 Event Display
WIRED4 is an interactive event display, which is able to graphically represent data from an LCIO file and the associated detector from the simulation job.
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This tutorial will focus on basic operations to view LCIO event data using the WIRED4 viewer within JAS3.
WIRED4 View
First, load the datafile from the Previous Tutorial by opening it using File -> Open.
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You should see something similar to this screenshot.
Basic WIRED4 View
The detector topology is drawn in white on the black background. (In general, structures within the detector such as layers and sublayers are left out to improve performance and reduce visual clutter.)
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The above screenshot was produced by code from Steve Magill.
Interaction Menu
The Interaction commands are used to "get around" the WIRED event display.
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Refer to the Interactivity Section of the WIRED4 Manual for complete instructions on each of the Interaction tools. |
Zoom
Zooming (or scaling) can be performed using a number of different mouse and keyboard actions.
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WIRED4 can fit the current image into the event display window by applying the appropriate zoom factor. To make WIRED fit the image, right click and select Action -> Fit to Window. |
Translation
The translation tool is used to move the image in the display "side to side", "up and down" or anywhere in between.
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Try zooming in a few times and looking at a calorimeter cluster.
Pretty, isn't it?
Rotation
The rotation tool can be used to view the image from different angles.
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The Interaction tools can be quite useful for "zeroing in" on an interesting part of an event, such as the showers in the endcap in the above screenshot.
Projections
Projections are default views for the display.
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The XY projection is a front or beam view, which is the same as the view when the LCIO file was first loaded.
Picking
The picking command is for selecting objects, displaying their attributes, and rotating around them.
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Notice that if you select Translate to the Picked Object from the Picking menu and rotate the picture, the rotation will occur around the picked object rather than the center of the image.
Visibility Tree
The visibility controls are used to control whether or not objects are shown in the display.
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Other options for expansion of the tree and hiding all children of the current node are available by right-clicking on the object's entry in the Visibility Tree.
Saving the Display
Right click and select Save As to open the Export window, which will allow you to save the display to a variety of different graphics formats.
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