VisIt View Control

VisIt allows the user to control the view angle of the data set, whether it is in 2-D or 3-D. For 3-D control, there are two particular fields that control most of the view behavior.

  1. In the View Normal section of the View control window, you can change which axis is pointing towards you.
    • A value of 1 0 0 means that the X-axis is pointing towards the viewer.
    • A value of 0 1 0 means that the Y-axis is pointing towards the viewer.
    • A value of 0 0 1 means that the Z-axis is pointing towards the viewer.
    • A value of 0.5 0.5 0 means that the view is set half way (or 45 degrees) between the X- and Y-axis.
  2. In the Up Vector section of the View control window, you can change which axis is pointing upwards. Care must be taken when editing this field to ensure that it is a valid entry when compared to the View Normal section. For example, you do not want the same value in both fields.
    1. A value of 1 0 0 means that the X-axis is pointing upwards.
    2. A value of 0 1 0 means that the Y-axis is pointing upwards.
    3. A value of 0 0 1 means that the Z-axis is pointing upwards.
    4. A value of 0.5 0.5 0 means that the upward vector is set half way (or 45 degrees) between the X- and Y-axis.
  3. Click on Apply.
  4. Click on the Draw button in the Plot Manager section.

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