OOF2: The Manual

OOF.Image.Modify.Edge
	6.2.64. OOF.Image.Modify Commands

Name

OOF.Image.Modify.Edge — Find edges in an image.

Synopsis

OOF.Image.Modify.Edge(image,radius)

Details

Parent Menu: OOF.Image.Modify
Callback: function doImageMod in module ooflib.image.imagemodifier
Parameters:

image

Type: The path to an existing Image object.

radius

Radius for the operation. Type: A real number.

Description

Find edges in an Image. The radius parameter sets the size of the convolution filter, in units of the pixel size. Setting it to 0 will cause a suitable value to be chosen automatically.

This routine comes from the ImageMagick library.

Figure 6.31. Detecting Edges in an Image

A micrograph of Si₃N₄ (courtesy of C.-H. Hsueh).

The result of applying Edge with radius=0 (i.e, automatic radius selection).

The result of applying Edge with radius=1.


OOF.Image.Modify.Dim		OOF.Image.Modify.Enhance