Extract JPEG-2000 dimensions

Created: 2013-04-04 12:52:24 Last updated: 2013-04-08 14:38:21

First sample version of a characterisation component. This extracts the dimensions of a jp2k file.

Option 1:

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Authors (1)

Titles (1)

Descriptions (1)

Dependencies (0)

Inputs (1)

Name	Description
jp2file

Processors (5)

Name	Type	Description
ExternalTool_jpylyzer	externaltool	Run jpylyzer to extract info about the image.
XPathExtract_width	xpath	Extracts the width from the jpylyzer output document. Xpath Expression //width[1]/text()
XPathExtract_height	xpath	Extracts the height from the jpylyzer output document. Xpath Expression //height[1]/text()
Java_concat_strings	beanshell	Script out = width.get(0) + "x" + height.get(0);
Constant_jpylyzer_binary_location	stringconstant	Value /usr/local/bin

Beanshells (1)

Name	Description	Inputs	Outputs
Java_concat_strings		width height	out

Outputs (2)

Name	Description
stderr	Any errors from the extraction process
dimensions	The dimensions of the image, as a string.

Datalinks (8)

Source	Sink
jp2file	ExternalTool_jpylyzer:jp2file
Constant_jpylyzer_binary_location:value	ExternalTool_jpylyzer:binary_location
ExternalTool_jpylyzer:STDOUT	XPathExtract_width:xml_text
ExternalTool_jpylyzer:STDOUT	XPathExtract_height:xml_text
XPathExtract_width:nodelist	Java_concat_strings:width
XPathExtract_height:nodelist	Java_concat_strings:height
ExternalTool_jpylyzer:STDERR	stderr
Java_concat_strings:out	dimensions