expkg-zone58:image.metadata library module

Summary

Return metadata from image file as xml using the http://drewnoakes.com/code/exif/ library.

                  usage: 
                  
                  imgmeta:read('C:/temp/apic.jpg')

The xml format based on xmlcalabash1 includes utility functions for post processing some tags such as GPS information.

Tags

Author: andy bunce

See also: https://github.com/ndw/xmlcalabash1/blob/master/src/com/xmlcalabash/extensions/MetadataExtractor.java

Version: 1.1.0

Functions

imgmeta:core

Summary

Extract core stuff width,height,datetaken,model,caption

Signature

imgmeta:core( metadata as element(metadata) ) as element()*

Parameters

metadata as element(metadata)

Return

element()*

imgmeta:geo

Summary

Process gps elements

Signature

imgmeta:geo( metadata as element(metadata) ) as element(geo)?

Parameters

metadata as element(metadata)

Return

element(geo)?: geo tag with lat and long children

imgmeta:geodecimal

Summary

Convert degrees minutes seconds to decimal degrees

Signature

imgmeta:geodecimal( dms as xs:string ) as xs:double

Parameters

dms as xs:string string like 45.0� 1.0' 46.32869861594543"

Return

xs:double

imgmeta:isodate

Summary

Convert date like "2010:06:30 14:26:25" to iso format

Signature

imgmeta:isodate( value as xs:string ) as xs:string

Parameters

value as xs:string

Return

xs:string

imgmeta:keywords

Summary

Extract keywords and split into seperate elements

Signature

imgmeta:keywords( metadata as element(metadata) ) as element(keywords)?

Parameters

metadata as element(metadata)

Return

element(keywords)?: keyword elements wrapped in keywords

imgmeta:read

Summary

Read image metadata from file, errors are supressed

Signature

imgmeta:read( path as xs:string ) as element(metadata)

Parameters

path as xs:string source file

Return

element(metadata)

imgmeta:tags

Summary

Read image metadata from file

Signature

imgmeta:tags( path as xs:string ) as element(tag)*

Parameters

path as xs:string

Return

element(tag)*: sequence of tag elements

Namespaces

The following namespaces are defined:

Prefix	Uri
ann	http://www.w3.org/2012/xquery
apb	java:org.apb.modules.TestModule
ArrayList	java:java.util.ArrayList
Directory	java:com.drew.metadata.Directory
File	java:java.io.File
ImageMetadataReader	java:com.drew.imaging.ImageMetadataReader
imgmeta	expkg-zone58:image.metadata
Metadata	java:com.drew.metadata.Metadata
Tag	java:com.drew.metadata.Tag
URL	java:java.net.URL
URLConnection	java.net.URLConnection

Original Source Code

Not available