Setting zoom levels for background layers

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Once a background layer is imported into a model in info

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works WS pro it can be automatically toggled on or off

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based on zoom level range for easy review and enhanced performance

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to start open session two bridge net GEO plan

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toggle polygons off and import the shape file background dot SHH

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P.

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Apply the shape file to the GEO plan and style it appropriately.

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You can then configure the background layers zoom levels.

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The GEO plan's current zoom level appears on the status bar as the first value and

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displays the distance across or the distance between

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the two closest opposite sides of the GEO plan

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to set the zoom level range for your background layer to appear

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on the GEO plan,

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right? Click

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and from the shortcut menu select layer control,

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this displays the GIS layer control dialogue

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under GIS

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layers select the imported background shape file.

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Then from the current layer group click zoom levels.

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This opens the layer visibility dialogue

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by default, the option show layer at all zoom levels is selected

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to specify the level range over which the background layer is to be applied.

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Select show layer between these zoom levels

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for now leave the minimum zoom set to zero and in the max zoom field enter 2000

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click. OK.

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Back in the GIS layer control dialogue click apply

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now zoom in and out of the GEO plan and notice how

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the background layer toggles on and off automatically based on the zoom level

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setting zoom levels on background layers provides an efficient review

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of model data as layers toggle on and off automatically.