SetSetScale()

Summary

Sets the range of Scales at which a selection set displays (autoscale).

 

Syntax

SetSetScale(string set, double min_scale, double max_scale)

 

Argument	Contents
set	The name of the selection set
min_scale	The minimum scale at which the layer displays
max_scale	The maximum scale at which the layer displays

 

Notes

• SetSetScale() applies autoscaling to a selection set in the current layer; the autoscale parameters for a selection set can vary from map to map.

• If the min_scale is null, the selection set displays at any scale less than the max_scale. If the max_scale is null, the selection set displays at any scale greater than the min_scale. If both are null, the selection set displays at any scale.

• Otherwise, the selection set displays only when it is part of a map whose scale falls in the specified range. When the scale of the map is outside the scale of the selection set, the selection set is automatically hidden.

• The min_scale and max_scale are the denominators in the scale ratio; that is, to set a selection set to display between 1:1000 and 1:200,000, set min_scale to 1000 and max_scale to 200,000. Min_scale should always be less than max_scale.

• Autoscaling is useful for selection set that are too detailed to be useful when viewed at a small scale, or too coarse to be useful when viewed at a large scale.

• The Selection selection set cannot be autoscaled.

Example

// Set manhole cover points selection set to display only between 1:1000 and 1:200,000

SetSetScale("Manholes", 1000, 200000)

 

// Set zones selection set to display at any scale

SetSetScale("Zones", null, null)

 

Error Codes

Error Type	Meaning
NotFound	The specified selection set does not exist

 

See Also

Function	Summary
GetLayerAutoscale()	Determines whether a layer is hidden in the current map due to autoscaling
GetLayerScale()	Gets the range of scales at which a layer displays (autoscale)
GetSetScale()	Sets the range of scales at which a selection set displays (autoscale)
SetLayerScale()	Sets the range of scales at which a layer displays (autoscale)
SetScale()	Sets the scale of a map