Command Help

filter-strings

 

Command Name

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Quick Key

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filter-strings

fs

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Description

Filter all visible strings overlays.

How to Use

  1. Run the command.

  2. In the Expression Builder dialog, define and check the filter Expression.

  3. Click OK.

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  • This command makes it possible to selectively  display and work with strings using a filter expression. As soon as the command is invoked any previously set string filters is removed.

  • It is advisable not to use coordinate data in the expressions but to use attribute fields. If any one point in a string fails to pass, then this string will be "turned off".

  • Existing filters can be removed by running this command without any filters. The redraw-display command will display all the data.

  • For more information on filtering data, click here.

Complex Filter Expressions and Scripting

You can emulate the effect of multiple-line filter expressions in scripts by joining expression parameters with "AND". For example, the following scripted command

Dm.parseCommand(“filter-strings ‘AU > 0.5 AND’ ‘M4DDESC =2’ ‘’);

Represents the following expression filter:

AU > 0.5 AND
M4DDESC = 2

Note the third parameter (empty single quotes). This is used to indicate that no further expressions will be specified.

 

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