Workflows

TIF to JP2 file format migration with qual... (1)

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This workflow reads a textfile containing absolute paths to TIF image files and converts them to JP2 image files using OpenJPEG (https://code.google.com/p/openjpeg). Based on the input text file, the workflow creates a Taverna list to be processed file by file. A temporary directory is created (createtmpdir) where the migrated image files and some temporary tool outputs are stored. Before starting the actual migration, it is checked if the TIF input images are valid file format instances u...

Created: 2014-05-07 | Last updated: 2014-05-07

Credits: Sven

ONB Web Archive Fits Characterisation usin... (2)

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Hadoop based workflow for applying FITS on the files contained in ARC web archive container files and ingest the FITS output in a MongoDB using C3PO. Dependencies: - Spacip (https://github.com/shsdev/spacip) - Tomar (https://github.com/openplanets/tomar) - C3PO (https://github.com/peshkira/c3po) Parameters: - hdfs_input_path: Path to a directory which contains textfile(s) with absolute HDFS paths to ARC files - num_files_per_invokation: Number of items to be processed per invokation - fits...

Created: 2013-12-09 | Last updated: 2013-12-10

Credits: Sven

JP2 to TIFF file format migration with qua... (1)

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This workflow reads a textfile containing absolute paths to JP2 image files and converts them to TIFF image files using Kakadu's j2k_to_image command line application (http://www.kakadusoftware.com). Based on the input text file, the workflow creates a Taverna list to be processed file by file. A temporary directory is created (createtmpdir) where the migrated image files and some temporary tool outputs are stored. Before converting the files, the JP2 input files are validated using the SC...

Created: 2013-02-07

Credits: Sven

Simple executable plan example (1)

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A simple executable plan containing a migration action component and a QA component. The migration action uses imagemagick convert. The QA component consists of two characterisation components (fits) and another QA components (imagemagick compare).

Created: 2012-06-29

Credits: Markus Plangg

Extract histogram features from image file (1)

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As a template for creation of image workflows was used xa-toolwrapper project from Sven Schlarb (https://github.com/openplanets/scape/tree/master/xa-toolwrapper). This project enables creation of WSDL web service that wraps command line tool like ‘extractFeatures’ or ‘create’. The workflow for ‘extractFeatures’ tool has two input parameters. The URL to the input image file and the number of histogram bins as integer. This workflow extracts histogram feature...

Created: 2011-06-16 | Last updated: 2012-04-04

Credits: Roman