image.toworld - Function

Convert from pixel to world coordinate

Synopsis
toworld(value, format)

Arguments

value	in	Absolute pixel coordinate
		Allowed:	Numeric vector
		Default:	Reference pixel
format	in	What type of formatting ?
		Allowed:	String from combination of 'n' (numeric), 'q' (quantity), 'm' (measure), 's' (string)
		Default:	'n'

Returns
Vector float, vector quantity, record, string or fail

Description

This function converts between absolute pixel coordinate (1-rel) and world (physical coordinate).

This function is just a wrapper for the Coordsys tool function toworld so see the documentation there for a description of the arguments and more examples.

Example

- im := image('hcn')
- w := cs.toworld([10,10], 'n')
- w := cs.toworld([10,10], 'nmq')

Convert to a vector of floats and then to a record holding a vector of floats, a vector of quantities and a subrecord of measures.

Next: image.unlock - Function Up: image - Tool Previous: image.topixel - Function Contents Index

	Package	general
	Module	images
	Tool	image