Standard functions > Expressions

Here are a selection of useful expressions that can be used to clean the Model for example.

These expressions can be used with the Search function of the ribbon, and will be applied to every selectable items of the graphic window.

Expression	Action	Use
_area# < 100	Search for items with an area inferior to 100 m².	Clean the useless land uses.
_closed& = 0	Search for non-closed lines.	Detect the items ignored by buildings integration that requires closed lines.
_bSimple& = 0	Search for non-simple items.	Detect items that can alter items integration.
_oz# = -999	Search for items with a -999 height.	Detect the items for which the height could not be calculated from the DTM.
_classLocal$ = 'MultiPolygone'	Search for items in several pieces.	Detect the items that can block an items integration.
_oz# = 0 and _sz# = 0	Search for items with no height.	Detect if input data are 2D or 3D.

Useful expressions