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Grid Trajectory Controls
Overview

The Grid Trajectory display types are capable of working with gridded data containing u and v-wind components, as well as a scalar quantity to color them by. Both 2D and 3D trajectories can be created dependent on the fields contained in the data. The relevant display types are:

The Grid 2D Trajectory or Grid 3D Trajectory formulas can be used to access these display types. The formulas will request for all of the fields to pass through it, including the u- and v-wind components, the vertical component, and a color-by component. An alternative to the formulas is utilizing the derived 2D and 3D fields of the data, Grid 2D Trajectory and Grid 3D Trajectory. When using these fields, all the user needs to specify is the scalar quantity when using the Trajectory Colored by Another Parameter display type, and McIDAS-V will pull out the relevant u- and v-wind components (as well as the vertical component when creating 3D Trajectories).

After clicking Create Display and choosing the field(s), the Layer Controls tab of the Data Explorer will appear, where various properties of the trajectories can be set:

Image 1: Grid Trajectories Layer Controls
Image 1: Grid Trajectories Layer Controls
Properties

Once Create Trajectory Button is clicked to display the trajectories, the options in the Layer Controls will expand to include more controls:


Image 2: Grid Trajectories Layout Tab
Properties
Menus

Many of the menu items seen utilizing this display are standard options that can be found in the Menus section of the Layer Controls page. However, there are a couple of options unique to this display.

The File menu has these unique options:


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