Circle

Creates a fixtured Circle structure.

Parameter Description

Image

This argument must reference a spreadsheet cell that contains a valid Image data structure. By default, the cell referenced is cell A0, containing the Image data structure returned by the AcquireImage function.

Fixture

Specifies the image coordinate system in which the circle is defined.

X

The X-offset of the fixture.

Y

The Y-offset of the fixture.

Theta

Offset from fixture origin.

Circle

Specifies the size and position of the circle, in fixture coordinates.

X

The X-offset of the circle.

Y

The Y-offset of the circle.

Radius

The radius of the circle.
Show

Selects the type of graphics to overlay on the image.

0 = hide all

The circle structure graphic is not displayed unless the cell containing the circle function is highlighted in the spreadsheet.

2 = input graphics only

The circle structure graphic is always displayed.
Note: The Fixture and Circle parameters must be defined within the bounds of the image. Otherwise, the function returns #ERR.

Returns

A Circle data structure, or #ERR if any of the input parameters are invalid.

Results

When Circle is initially inserted into a cell, a result table is created in the spreadsheet with the following Structures Vision Data Access functions

Label Function Description

X

GetX(Circle)

The X-coordinate.

Y

GetY(Circle)

The Y-coordinate.

Radius

GetRadius(Circle)

The radius of the circle.