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Selects the map features located within a scope.
Optional options array introduced in Version 5.0.
n_selected = SelectByScope(string set_name, string operation, scope scope_value [, array options])
Argument |
Contents |
set_name |
The name of the selection set |
operation |
The operation to perform, as indicated below |
scope_value |
The scope in which to search |
Operation |
Meaning |
several |
Replaces the contents of the selection set |
less |
Removes features from the selection set |
more |
Adds features to the selection set |
subset |
Selects a subset of the selection set |
Option |
Type |
Contents |
Inclusion |
String |
"Enclosed" or "Intersecting", overriding the current setting; for more information, see SetSelectInclusion() |
Max |
Integer |
Maximum number of records to select |
Display |
Boolean |
"True" or "False" overriding the current setting; for more information, see SetSelectDisplay() |
Auto Redraw |
Boolean |
"True" or "False" overriding the current setting; for more information, see SetSelectAutoRedraw() |
Source And |
String |
A selection set on the current layer that records must be in to be selected |
Source Not |
String |
A selection set on the current layer that records must not be in to be selected |
An integer indicating the number of records in the selection set.
The options array is an optional argument.
All selection commands operate on the current layer.
If the set does not already exist, SelectByScope() creates it.
Use SetSelectInclusion() to control whether features are selected only when fully contained in the search area, or when they intersect the search area.
SetLayer("Census Tracts")
scp = GetSetScope("High Income")
SetLayer("Customers")
SelectByScope("Near High Income", "Several", scp)
Error Type |
Meaning |
Error |
The set name, the operation type or the scope is invalid. |
NotFound |
No features fall within the scope. |
Function |
Summary |
Selects map features within the current map window |
|
Sets the inclusion status for spatial selection |
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