Instructions for use

The Displayable command is used to control the visibility of layers in the scene, and you can set whether to release memory without displaying layers.

Operation steps

SuperMap provides three ways to control whether a layer is displayable.

1. Use the Scene Layer Properties panel to control whether or not layers are displayable.
   • Mouse Click Ribbon & gt; Scene tab & gt; The Layer Properties button of the Properties group pops up the Scene Layer Properties panel. You can control whether the current layer is displayed by setting the Displayable item on the panel.
2. Use the Context Menu to control whether the layer is displayable.
   Right-click the Vector Layer node in
   • Layer Manager, and click Displayable in the pop-up Context Menu.
   When
   • clicked, the Vector Layer is visible if a symbol appears in front of the Displayable command; otherwise, it is not visible.
3. Via "Displayable" button in front of the layer node in Layer Manager
   Displayable control is achieved
   • by clicking the button. When the button is active , the layer is visible; when it is off , the layer is not visible.
4. Release Hidden Layer Memory: Indicates whether to release the memory of the selected layer when it is not displayed. This function is applicable to OSGB cache and 3D vector dataCache Layer. If this check box is checked, it means that the memory of the selected layer will be released when the layer is not displayed, and the memory usage of the Application will be reduced.

Precautions

The button in front of the Vector Layer node in the Layer Manager is also used to control the visibility of the Vector Layer. You can control the visibility by clicking this button. The Vector Layer is visible when the button is in the state and invisible when the button is in the state.