ImageSource

Abstract class for image sources

An abstract superclass for implementing image sources.

Methods

grab	Aquire and return the next image
close	Close the image source
iscolor	True if image is color
size	Size of image
char	Convert image source parameters to human readable string
display	Display image source parameters in human readable form

Image source constructor

i = ImageSource(options) is an ImageSource object that holds parameters related to acquisition from some particular image source.

'width', W	Set image width to W
'height', H	Set image height to H
'uint8'	Return image with uint8 pixels (default)
'int16'	Return image with int16 pixels
'int32'	Return image with int32 pixels
'float'	Return image with float pixels
'double'	Return image with double precision pixels
'grey'	Return image is greyscale
'gamma', G	Apply gamma correction with gamma=G
'scale', S	Subsample the image by S in both directions.

Display value

I.display() displays the state of the image source object in human readable form.

This method is invoked implicitly at the command line when the result of an expression is an ImageSource object and the command has no trailing semicolon.