> In order to visualize wind speed, you need not only u & v components of wind vectors, but also the vertical component in your dataset.
> For the terms & names of UI components, refer to _[UI Components](3-1-ui-components)_.
##### 1. Do this.
##### 1. Open data file.
Open your data file(s), using _Open Data_ buttons on the _Home_ menu category of _Menu Bar_.
##### 2. Load the wind vector data and show it on a layer.
In order to visualize the distribution of the variable on a layer, you can either
* click the _Add Vector Plane_ button on _Layer_ menu category, select options, and then click "OK", or
* right-click one of u/v components of wind on the _Variables Pane_, select _'Add Vector Plane'_.
_Rendering Pane_ will immediately display the vector field of wind, and a new layer will be added to the _Layers Pane_. By default, wind flow will be shown using wind vectors (arrows) at each grid points.
##### 3. Explore wind flow at different altitudes (if any).
If your dataset includes wind flow datasets at multiple altitude, you can select a particular height level, or easily change to the next/previous height level.
On _Horizontal Plane_ menu category of _Menu Bar_, you will find _Vertical Level_ drop-down control, where you can select height level among all the levels available in your dataset. You can also click _Move Up / Move Down_ button in order to increase / decrease the selected level.
##### 4. Change the settings for color mapping (optional).
Double click the vertical _Color Bar_ on the right-hand side of _Rendering Pane_. A popup dialog named _'Setup Colormap and Limit Range'_ will show up, where you can change various options regarding the color mapping.
##### 5. Change the visualization style - wind vector vs. wind barbs vs. streamlines (optional).
On _Vector Plane_ menu category of _Menu Bar_, you can select one of the following visualization styles:
* Wind vector : show distribution using arrows with variable length & color
* Wind barbs : show distribution using wind barbs
* Streamlines : show distribution using streamlines (optionally with animation)
Each menu button has drop-down submenu, where you can set various options for each visualization style. For example, in streamline style you can choose _'glow'_ effect and start animation, so that wind flow is visualized using nice and intuitive animation with colored dots that are moving at different velocities.
