Searchwinleft property – Epson 5 User Manual

Page 160

SearchWinLeft Property

Applies To

Vision Objects: Blob, Correlation, Geometric, ImageOp

Description

Defines the X coordinate of the left side of an object's search window.

Usage

VGet Sequence.Object.SearchWinLeft, var

VSet Sequence.Object.SearchWinLeft, value

Sequence Name of a sequence or string variable containing a sequence name.

Object

Name of an object or string variable containing an object name. The object must exist in the
specified sequence.

var

Integer variable that will contain the value of the property.

value

Integer expression for the new value of the property.

Values

Integer number in pixels from 0 to video width - SearchWinWidth

Remarks

The SearchWinLeft property is available for the Blob, Correlation, Geometric, and ImageOp objects. Each
of these object types have similar rectangular Search Windows used to define the area to search within.
The SearchWinLeft property is set automatically when the user drags the left vertical window handle for
the Search Window of each object type.

There are cases where the user may want to position the Search Window dynamically and for that reason
the SearchWinLeft property can also be set from the SPEL

Language.