3-4-control-perspective.md 3.77 KB
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# Controlling perspective (and how to use Rendering Pane)
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<p align="center">
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![](img/3-4-rendering-pane.png)

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After adding a new layer or selecting a layer from the list, **Rendering Pane** displays the meteorological data in the 3D-image and contains some options for controlling perspective.

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### Controlling camera

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* **Zoom** : Scroll mouse wheel up/down to zoom in/out. For finer adjustments, scroll with *Ctrl* key pressed.
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* **Rotate** : Press and hold left mouse button, and drag.
* **Pan** : Press and hold right mouse button, and drag.
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* **Zoom Fit** : Click _Zoom Fit_ menu button in order to return to the default camera position with a zoom level fitted to the entire scene.
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      ![](img/3-4-zoom-fit.png)

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### Changing the display mode

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In the **Rendering Pane**, the *polar coordinates* is set by default. You can change the display mode from the *polar coordinates* (globe) mode to the *Cartesian coordinates* (map box), or vice versa, as follows.
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  1.  In **Menu Bar**, choose *Home* menu category.
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  1.  In *Map* panel, click the upper part of the *Globe* button to change the display mode.

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      ![](img/3-4-display-mode.png)
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The alternative way is to click the *Globe* button at the bottom-right corner of the program.

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<p align="center">
![](img/3-4-display-mode-compare.png)

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### Showing/Hiding Legend and Color Bar

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The *Legend* shows a brief explanation and the colormap of the selected layers.
The *Color Bar* shows the variable names and units of the selected variable.

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*  You can show or hide the *Legend* and the *Color Bar* as follows.
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      1.  In **Menu Bar**, choose *Home* menu category.
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      1.  In *Map* panel, you can 
          *  click the upper part of the *Legend* button to show or hide the *Legend*; or
          *  click the lower part of the *Legend* button to show or hide the *Color Bar*.

             ![](img/3-4-show-hide-legend.png)

*  You can also show/hide the *Legend* by double-clicking the *Legend*.



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### Setting color map and limit range

*  You can edit the color map and limit range of the current layer as follows:
      1.  Double-click the *Color Bar* or the *Limit Range*.
      1.  In the *Setup Colormap and Limit Range* dialog box, you can customize the options for the layer, and click *OK* button.

          ![](img/3-4-layer-option.png)
          *  In the *Colormap Range and Levels* panel, you can set options for the layer's colormap.
          *  In the *Limit Range to Display* panel, you can set the display range of the layer.
          *  In the *Contour Levels* panel, you can set options for creating isopleths (contour lines) to display Horizontal Plane/Vertical Cross-Section type layers. 
          *  In the *Emphasis Level* panel, you can set the display options to highlight certain lines from the isopleth data to be displayed on the Horizontal Plane/Vertical Cross-Section layer.
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      Note that the options in the *Contour Levels* panel and the *Emphasis Level* panel are applied only if the selected layer is a scalar (Horizontal Plane/Vertical Cross-Section) layer.
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* The alternative way to edit the options for the current layer is as follows:
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      1.  In **Menu Bar**, choose *Home* menu category.
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      1.  In *Layer Setup* panel, you can 
          *  click the upper part of the *Layer Option* button to see the *Setup Colormap and Limit Range* dialog box; or
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          *  click the lower part of the *Layer Option* button to select the detail setup options.
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             ![](img/3-4-layer-option-detail.png)



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### Right-click
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You can right-click the *Legend* or the *Limit Range* to speed up the setting options for the layer.
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<p align="center">
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![](img/3-4-right-click.png)
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