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.
You can control the display options in **Rendering Pane** as follows.
### Controlling camera
* Zoom : Scroll up/down to zoom in/out. For finer adjustments, scroll while pressing *Ctrl* key.
* Rotate : Press and hold left mouse button, and drag.
* Pan : Press and hold right mouse button, and drag.
* Zoom fit : Press *Zoom Fit* button on _Map_ panel in _Home_ menu category, in order to go back to the default camera position.
### Changing the display mode
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@@ -58,24 +63,6 @@ The *Color Bar* shows the variable names and units of the selected variable.
### Zooming in/out
* Scroll up or down to zoom in to or zoom out from the display area of the **Rendering Pane**. For finer adjustments, scroll up or down while pressing the *Ctrl* key.
* You can set the zoom (in/out) level and viewpoint of the *3D - Image* to the default values by
1. In **Menu Bar**, choose *Home* menu category.
1. In *Map* panel, click the *Zoom Fit* button.
### Rotation
* If the coordinate system is in polar coordinates (globe), hold the left mouse button and drag the globe to rotate the map area.
* If the coordinate system is in Cartesian coordinates (map box), hold the left mouse button and drag the box to rotate the map area.
### Right-click
You can right-click the *Legend* or the *Limit Range* to speed up the setting options for the layer.
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@@ -83,8 +70,6 @@ You can right-click the *Legend* or the *Limit Range* to speed up the setting op
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> To Trang
> How about "### Controlling camera", and just giving it four sentences for each of "Zoom :", "Rotate : ", "Pan : ", "Zoom fit : "? Actually "Zoom fit" cancel all the changes in zoom/rotate/pan and returns to the default camera position, which was decided at start-up based on user's timezone setting.
