Node.js GM edge() Function

The edge() function is an inbuilt function in the GraphicsMagick library which is used to detect edges within an image. The function returns the true value on success. 

Syntax:

edge( radius )

Parameters: This function accepts a single parameter as mentioned above and described below:

• radius: This parameter is used to specify the radius of the edges within the image.

Return Value: This function returns the GraphicsMagick object. 

Example 1: 

Output:

 👁 Image
 

Example 2: 

Output:

 👁 Image
 

Reference:

• http://www.graphicsmagick.org/GraphicsMagick.html
• https://www.npmjs.com/package/gm